SYD - SEA

$872 Find Cheap Flights from Sydney to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Seattle.
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Seattle (SYD-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Sydney to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Seattle

Tue, 2 Dec - Tue, 9 Dec
Air Canada Logo
11:20 - 22:06SYD-SEA
29h 46m1 stop
Air Canada Logo
10:05 - 06:55SEA-SYD
25h 50m1 stop
$1,175Air Canada
Find Deal
Tue, 2 Dec - Wed, 17 Dec
Air Canada Logo
11:20 - 19:16SYD-SEA
26h 56m1 stop
Air Canada Logo
20:00 - 08:10SEA-SYD
41h 10m2 stops
$1,204Air Canada
Find Deal
Wed, 28 Jan - Sun, 8 Feb
Air Canada Logo
11:20 - 14:31SYD-SEA
22h 11m1 stop
Air Canada Logo
15:40 - 09:35SEA-SYD
22h 55m1 stop
$1,242Air Canada
Find Deal
Tue, 2 Dec - Wed, 17 Dec
Qantas Airways Logo
17:45 - 14:24SYD-SEA
39h 39m1 stop
Qantas Airways Logo
16:59 - 09:00SEA-SYD
21h 01m1 stop
$1,279Qantas Airways
Find Deal
Thu, 11 Dec - Mon, 29 Dec
United Airlines Logo
11:20 - 16:09SYD-SEA
23h 49m1 stop
United Airlines Logo
19:12 - 06:20SEA-SYD
40h 08m1 stop
$1,351United Airlines
Find Deal
Sat, 17 Jan - Wed, 18 Feb
United Airlines Logo
12:10 - 11:30SYD-SEA
18h 20m1 stop
United Airlines Logo
09:00 - 09:05SEA-SYD
29h 05m2 stops
$1,386United Airlines
Find Deal
Thu, 20 Nov - Fri, 28 Nov
Delta Logo
10:40 - 18:39SYD-SEA
26h 59m2 stops
Delta Logo
12:40 - 08:30SEA-SYD
24h 50m1 stop
$1,387Delta
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Qantas Airways Logo
17:45 - 20:23SYD-SEA
21h 38m1 stop
Qantas Airways Logo
06:25 - 09:00SEA-SYD
31h 35m1 stop
$1,419Qantas Airways
Find Deal
Wed, 11 Mar - Sat, 14 Mar
Asiana Airlines Logo
10:20 - 14:55SYD-SEA
22h 35m1 stop
Asiana Airlines Logo
00:10 - 08:20SEA-SYD
38h 10m1 stop
$1,479Asiana Airlines
Find Deal
Wed, 28 Jan - Sat, 7 Feb
Asiana Airlines Logo
10:20 - 13:55SYD-SEA
22h 35m1 stop
Asiana Airlines Logo
00:10 - 08:20SEA-SYD
37h 10m1 stop
$1,594Asiana Airlines
Find Deal

Everything you should know

Top airlines
Air Canada
Cheapest • from $1,175 (return)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
August
Cheapest • 16% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
$1,175
Typical prices: $1,588-$2,342
Air Canada
Tue 2/12Tue 9/12
SYD - SEA • 1 stop
Cheapest one-way flight
$872
Typical prices: $1,207-$1,465
Alaska Airlines
Tue 17/2
SYD - SEA • 2 stops
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Booking Insights

KAYAK's insights & trends for Sydney to Seattle flights

Get data-powered insights and trends into flights from Sydney to Seattle to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Sydney to Seattle?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Sydney to Seattle departing in December.

What’s the cheapest day of the week to fly from Sydney to Seattle?

The average price of all round-trip flights from Sydney to Seattle clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Seattle on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Sydney to Seattle. For your return ticket, we recommend flying on a Monday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Sydney to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Seattle is August, where tickets cost $1,394 (return) on average. On the other hand, the most expensive months are July and December, where the average cost of round-trip tickets is $2,083 and $1,928 respectively.

How far in advance should I book a flight from Sydney to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to Seattle, you should book around 4 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$872
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Sydney to Seattle

When to book flights from Sydney to Seattle

Are your dates flexible? Find out the best times to travel from Sydney to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sydney to Seattle

  • Are there any direct flights from Sydney and Seattle?

    There aren’t any airlines offering direct flights from Sydney to Seattle. However, you will find that most of the itineraries come with just one stop along the way. Where you stop will depend on the airline you fly with. For example, flights with Qatar Airways come with a stop at Hamad International Airport (DOH) in Doha. Flights with Qantas, United, or American Airlines generally come with a stop in a US city like Los Angeles (LAX) or Honolulu (HNL).

  • Where do I go to hire a car at Seattle Airport?

    The Seattle-Tacoma International Airport has an off-site facility dedicated to hire cars. This is located a 5min drive from the airport and there are free shuttles operating 24h a day, all throughout the year. You will find the pick-up zone for the shuttle just outside the baggage claim level in the international arrivals hall.

  • Where are the taxi and ride-share pickup points at the Seattle Airport?

    App-based ride-share operators and taxis pick up passengers from the third floor of the parking garage. You should find the taxis on the north and south curbs. If you’re meeting a ride-share operator, they’ll generally head to rows G through J (the orange and purple sections) of this level of the garage. To get to this parking garage, you’ll need to cross the skybridge located one level up from baggage claim. Once you’re over the bridge, you’ll need to go back down a level to get to the third floor.

  • Should I fly business or first class from Sydney to Seattle?

    With around 17 hours in the air and at least one stopover, extra comfort will go a long way on this route. Qantas offers a 'Bid Now' upgrade service. This allows you to make a bid in either points, cash or a combination of both. You can set how much you're willing to pay for an upgrade and you'll receive an email 24 hours later letting you know if it's been successful.

  • Where do flights from Sydney to Seattle stop?

    Both Air Canada and Air New Zealand have a stopover in Vancouver for most of their flights from Sydney to Seattle. Qantas flights usually stop in Honolulu, but some flights stop in San Francisco. American Airlines flights stop at either Los Angeles Airport (LAX) or Dallas/Fort Worth (DFW).

  • Which airlines have lounges at Sydney Airport?

    There are multiple lounges at Sydney Airport and if you're a member of any frequent flyer programs you may get complimentary access to one or more. Qantas, Air New Zealand and Emirates all have their own lounges available to business passengers and some frequent flyers. The Centurion Lounge is open to eligible American Express card holders.

  • How much checked luggage can I bring on this route?

    Most airlines on this route, including Qantas and Air Canada allow you to bring one piece of checked luggage, weighing up to 23 kg. Asiana Airlines and Korean Airlines allow you to bring two 23 kg suitcases on their U.S. routes. You can usually book extra luggage online to avoid higher fees.

  • What is the cheapest flight from Sydney to Seattle?

    In the last 3 days, the lowest price for a flight from Sydney to Seattle was $872 for a one-way ticket and $1,175 for a return.

  • Which airports will I be using when flying from Sydney to Seattle?

    On your way to Seattle, you’ll fly out from Sydney Kingsford Smith. You’ll be landing at Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Sydney to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Seattle?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Sydney and Seattle, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Sydney to Seattle, ANA or Asiana Airlines?

    The two airlines most popular with KAYAK users for flights from Sydney to Seattle are ANA and Asiana Airlines. With an average price for the route of $1,717 and an overall rating of 8.4, ANA is the most popular choice. Asiana Airlines is also a great choice for the route, with an average price of $1,632 and an overall rating of 8.2.

  • How does KAYAK find such low prices on flights from Sydney to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Sydney with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sydney to Seattle

  • Taxis and rideshare providers offer a quick and easy way to get to Sydney Airport (SYD). The trip takes around 20min from the city centre (depending on traffic) and generally costs around A$ 45-55.
  • Sydney’s Kingsford Smith Airport (SYD) has three terminals. However, all international flights depart from Terminal 1, so this is the terminal you’ll need for your flight to Seattle, Washington.
  • Seattle-Tacoma International Airport (SEA) features a range of larger-than-life art installations. It’s worth taking some time to explore creations like The Cathedral and Carbon Veil.
  • For a lower carbon footprint on this route, consider booking with All Nippon Airways. Their flights with a single stopover, at Haneda Airport (HND) in Tokyo, emit up to 45% less CO2 than other flights from Sydney to Seattle.
  • If you're flying economy and don't have a frequent flyer membership, there are other lounges you can pay to use at Sydney Airport (SYD). You can book a stay at Skyteam Lounge, The House and Plaza Premium Lounge. Plaza Premium also accepts walk-ins.

Reviews of the top 5 airlines flying from Sydney to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Sydney to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sydney to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8002 reviews
7.9Comfort
7.9Entertainment
8.5Crew
7.3Food
8.2Boarding
Airline reviews

I truly love flying with Delta. They have always treated me with the upmost respect

10.0 ExcellentMAYRA, Nov 2025JFK - MIA
Read more Delta reviews

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

DELTA does a terrific job making sure you are well taken care of during the flight, gives you assurance before the flight through numerous email notifications about your upcoming flight & lastly good follow up after the flight making sure your needs were mat. It has been, is & will continue to be my carrier of choice in all my future travels. Good Job DELTA

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

Seats comfortable, service and food very mediocre, staff not very attentive, worse than many other our flights with Delta.

Overall good experience; however, there was one flight attendant who was rather rough compared to everyone else. Everything else was good: entertainment, food. Delta keeps on delivering! Thank you!

Wasn’t on the flight due to Alaska cancellation…also after all the rerouting, I was going to be on a later flight that left SFO at 7:47pm, which meant an almost 6 hour layover. That same Hawaiian flight was delayed for another 2hours.

I had to cancel the flight because with a 3 hour delay for 'unexpected maintenance' in getting to LAX, I couldn't connect to an overseas flight that I had booked on Scandinavian Air.

The flight was CANCELED!!! Can’t get much more “poor” than that. I had to switch to American Airlines, add another layover and got home in Honolulu 4 hours later than I was supposed to be home. One bright spot was Josh with Alaska Airlines at SFO. He got me on a United Flight that got me home a few hours before I would have. Without him I would have gotten home almost 7 hours after my originally scheduled flight.

Canceled my flight within 24 hours, causing me arriving home midnight. Will never book Hawaiian airlines anymore

I like Hawaiian, it was great that they had good internet connection across the Pacific Ocean, thanks to Star Link satellites. The seating was comfortable, ( I was in economy ). Maybe I missed it, but I only got offered a beverage once. It was a nonstop flight KOA to SMF. I would take it again next time I go that way.

I always love flying Hawaii and I have nothing to add

Previously flown Hawaiian Airlines on similar routes, I found Alaska Airlines to be noticeably more comfortable. The seats on Alaska Airlines provided better support and cushioning, which made a significant difference on the long flight to the islands. When you’re spending 5-6 hours in the air, seat comfort really matters, and Alaska Airlines delivered where it counts. After comparing both carriers, I’ve decided to book with Alaska Airlines for all my future Hawaii trips. The superior seat comfort alone makes it worth choosing Alaska over Hawaiian Airlines. If you’re planning a trip to Hawaii and prioritizing comfort, I’d recommend giving Alaska Airlines a try. You won’t be disappointed. Highly recommended for Hawaii travel!

I received several emails about my 3:10 flight. When I showed up to the airport at 12:30 to check my bags I was told the flight was actually at 1 pm. They grudgingly rebooked me for a flight at 5:22 to Vegas to get a connecting to LAX. I did find the gate for my original 3:10 flight but they were booked. I proceeded to receive status updates and gate change information for the 3:10 flight, even though I was apparently never supposed to be on that flight

My flight was delayed three hours and then cancelled. The gate agent proceeded to rebook me in a middle seat without telling me and I was placed between two large individuals who did not fit in their own seats and instead took up most of mine. It was an awful experience.

The food options were limited and very specific. Some type of entertainment option for a 4.5 hour flight would have been nice.

Basic airline, aircraft and service. AA gets you from point A to B. My flight was delayed by 2 hours too.

No internet on flight, which makes log travels really hard.

My flight from Dallas to Sydney was cancelled. My entire trip was rerouted to include the following: Hartford to Washington DC Washington DC to JFK JFK to Auckland Auckland to Christchurch I paid for an aisle seat on the flight to Auckland and was asked if I would take a window seat to accommodate a family. The agent at the podium failed to mention that the family had a 3 month old baby and that a bassinet would be used during the 16 hour flight. The only way I could get out of my seat was to crawl under the bassinet of the sleeping baby. I think it is wrong that I was no given the choice to sit in another seat, that the agent knew what she was doing and chose to not properly disclose my seating arrangement. Terrible treatment.

they ran out of fruit for breakfast and so I just had a yogurt instead. other than that the flight was good

by the time they got to our row, they were out of some of the food options. games and movies were great but maybe more game options like tetris or pac man would be great

Great as usual, some delays but well communicated and made up for in the air

Poor! This flight was delayed 14 hours. There was no assistance in helping customers find other routes to their destination, nor any other kind of support. It was a chaotic experience. I'm not likely to fly with AA going forward.

Business class points redemption - good value for points paid, dubious value if out of your own pocket, domestic class business product okay for this length of flight. The flight left and arrived on time, crew were good, aircraft was a bit old and tired, but still miles ahead of their competitors in Virgin and Jetstar.

We were upgraded and after just a short delay in attending to a safety check we were on our way. Would definately fly Qantas International on their Dreamliner again.

I tried to check in online but was unable to do so. I stood in line for nearly two hours to check in. American Airlines was understaffed. When I finally got to the kiosk to check in, I was still unable to check in. No AA staff was available to help. Finally one of the airport security agents who was helping passengers became of lack of AA Staff told me: “I think the reason you can’t check in is that you are starting your name with an upper case letter when you write it. Just write it with all lower case letters.” That did allow me to check in. HOW COULD ANYONE POSSIBLY KNOW THAT IF THEY USE AN INITIAL UPPER CASE LETTER TO SPELL THEIR OWN NAME, AA WOULD NOT ALLOW THEM TO CHECK IN?????? Then I had to wait in line over half an hour again to drop off my baggage. Although I arrived at the airport 3 hours early, by the time I got to the gate, they had already started boarding.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

Not enough veg food available for passengers. I actually did not get the veg food and was told it was over, and I starved the entire flight duration.

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

Flight left on time. Boarding was easy. Arrived to EWR 30 mins early. Luggage was deplaned in good time. Overall a very good experience.

Flight from Rome to SFO was excellent compared To our flight to Europe from SFO. The food was much tastier. You can see how UNITED is skimping, though. Instead of getting something mid flight you had to ask for it. It was not automatically served. There was a cookie at the end of the arrival meal, for example that tasted like it just came out of a box. They used to serve a little container of nuts, now … a tiny container of nuts, mixed with pretzels. This was business class that you really have to pay for! But this is minor complaints compared to the overall. My major complaint is the position of the even numbered seats by the windows. You have to turn around to see your window & the positioning as some other controls are harder to get at. This is compared to the odd number seat that are perfectly aligned.

The person I bought the ticket for didn’t make the flight.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

Good but need to be better with the flight times.

The staff could not have been any friendlier. Lots of usb ports on our aircraft.

The staff was great and made the long trip easy peasy!

Air Canada cancelled our flight and reschedule it 26 hours later that completely interrupted my family's long waited Japan trip, it wasn't due to natural reason such as weather but under the company's control. On the day we wasted 9 hours of our time from 6am to 3pm, including a few hours in the customer counter waiting for supervisor to handle our rescheduling. When we came to the counter for rebooking help there were at least 4 employees on the counter but we were told they were not trained to handle customer rebooking, we were also told the supervisor could come 10:30 to handle our rebooking, but she showed up more than one hour later, the end result was exactly the same so the few hours we spent waiting for her was completely wasted; We already prepaid hotel and all the tickets for the our stay in Tokyo so all of the cost for the first day is completed wasted; The $80 meal voucher issues was far less than our financial loss due to the financial cancellation, and it was not surprisingly invalid (as Your company screw up everything possible along the flight), the vouchers were supposed to last 72 hours, when we tried to used it at our lounge next day less than 24 hours from its issuing at a designated restaurant, the worker there couldn't scan the vouchers after multiple tries on all 4 vouchers issued, so we had to pay the food from our own money; For the two return flights they were also full of unfortunate events that caused bad experience and further delay and waste of our time, both flights departed late and the last leg had another significant delay of more than half an hour after touchdown, the gate was for some reason not available so we waited more than half an hour, when we got out of plane it was almost one hour later than the supposed arrival time; The gate you arranged is the farthest in Vancouver airport, also was the luggage pickup location in Seattle airport; We also called customer service for rescheduling help and after a long time wait (more than an hour) we got a call back but the CS representative was equally clueless and unhelpful. Other than a fatal crash, your company couldn't do anything right and provided the worst service possible among the tons of flights we have taken in our lives.

The free Wi-fi for Aeroplan members was a great touch. The time passed quickly. I found the seats seemed a little closer together than I remember. Not Air Canada's fault, but we were about 20 minutes late landing because the airport was too busy. We had to circle around for a while. The boarding and disembarking went very smoothly.

It was crazy, boarded over a hour late from scheduled departure. Then when arrived in BNA issued with getting off the plane…over 1/2 hour. Not looking forward to flying Air Canada, ever again.

Extremely turbulent landing. Crew was friendly and plane comfortable. Airport and US pre clearance was understaffed

The airplane is way too tight, you can hardly enter into your row to sit.. more like kids seats than adults.

taking our carryon and forcing us to check it through

Wifi was great. Kind air crew and comfortable seating. Also liked the entertainment options.

Everything you need to know for your flight from Sydney to Seattle

Other airlines flying from Sydney to Seattle

Flights from the other most popular airlines that fly from Sydney to Seattle according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.