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IAD - SYD

$1,122 Find cheap flights from Washington Dulles Airport to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Sydney departing on 26/8. 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
Sat 29/6
Sat 6/7

Search hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sydney, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,686,544 times on KAYAK, and here's why:

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Cheap flight deals from Dulles Intl to Sydney (IAD-SYD)

 
These are the cheapest deals for flights from Dulles Intl to Sydney currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Dulles Intl to Sydney

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Dulles Intl to Sydney.

Recent one-way flight deals from Dulles Intl to Sydney

Only flying one-way? Below are some of the best one-way flight deals from Dulles Intl to Sydney found on KAYAK recently.

Recent last-minute flight deals from Dulles Intl to Sydney

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Dulles Intl to Sydney.

Recent direct flight deals from Dulles Intl to Sydney

The latest deals for direct flights from Dulles Intl to Sydney so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Dulles Intl to Sydney

Find recent round-trip train or bus tickets from Dulles Intl to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
17:38 - 07:05IAD-SYD
23h 27m1 stop
17:35 - 16:33SYD-IAD
36h 58m1 stop
$1,642Qantas Airways
Find Deal
Wed, 4 Sep - Wed, 18 Sep
10:56 - 09:00IAD-SYD
31h 04m2 stops
11:15 - 23:57SYD-IAD
28h 42m2 stops
$1,711American Airlines
Find Deal
Tue, 29 Oct - Wed, 20 Nov
17:38 - 07:05IAD-SYD
23h 27m1 stop
17:35 - 16:33SYD-IAD
36h 58m1 stop
$1,728
Find Deal
Wed, 28 Aug - Tue, 10 Sep
17:38 - 07:05IAD-SYD
23h 27m1 stop
17:35 - 16:18SYD-IAD
36h 43m1 stop
$1,729
Find Deal
Sun, 22 Sep - Wed, 2 Oct
08:16 - 07:20IAD-SYD
33h 04m1 stop
09:20 - 16:45SYD-IAD
21h 25m1 stop
$1,939Air Canada
Find Deal
Tue, 20 Aug - Wed, 18 Sep
09:55 - 07:20IAD-SYD
31h 25m3 stops
09:20 - 16:45SYD-IAD
21h 25m1 stop
$1,948Air Canada
Find Deal
Tue, 20 Aug - Wed, 18 Sep
12:45 - 08:45IAD-SYD
30h 00m2 stops
11:50 - 06:53SYD-IAD
33h 03m2 stops
$2,053Air New Zealand
Find Deal
Wed, 28 Aug - Tue, 10 Sep
14:36 - 06:55IAD-SYD
26h 19m2 stops
10:20 - 19:21SYD-IAD
23h 01m2 stops
$2,068United Airlines
Find Deal
Tue, 23 Jul - Tue, 6 Aug
22:15 - 06:55IAD-SYD
42h 40m1 stop
10:20 - 19:37SYD-IAD
23h 17m1 stop
$2,071United Airlines
Find Deal
Sat, 24 Aug - Sun, 1 Sep
06:30 - 08:45IAD-SYD
36h 15m2 stops
11:50 - 05:23SYD-IAD
31h 33m2 stops
$2,092Air New Zealand
Find Deal
Wed, 7 Aug - Thu, 15 Aug
17:38 - 20:10IAD-SYD
36h 32m2 stops
$1,122
Find Deal
Mon, 26 Aug
11:05 - 20:15IAD-SYD
41h 10m1 stop
$1,138ANA
Find Deal
Fri, 15 Nov
17:38 - 06:15IAD-SYD
46h 37m2 stops
$1,271Cathay Pacific
Find Deal
Wed, 4 Sep
18:55 - 20:10IAD-SYD
35h 15m2 stops
$1,351Cathay Pacific
Find Deal
Sat, 7 Sep
13:15 - 08:35IAD-SYD
27h 20m2 stops
$1,661Delta
Find Deal
Fri, 15 Nov
17:40 - 07:20IAD-SYD
23h 40m1 stop
$1,800Air Canada
Find Deal
Sun, 16 Jun
08:15 - 07:20IAD-SYD
33h 05m1 stop
$1,890Air Canada
Find Deal
Mon, 5 Aug
14:59 - 06:35IAD-SYD
25h 36m2 stops
$1,955Delta
Find Deal
Thu, 1 Aug
14:31 - 07:00IAD-SYD
26h 29m1 stop
$2,088United Airlines
Find Deal
Sat, 3 Aug
22:25 - 06:55IAD-SYD
42h 30m1 stop
$2,236United Airlines
Find Deal
Sat, 6 Jul
09:55 - 07:20IAD-SYD
31h 25m2 stops
09:20 - 16:45SYD-IAD
21h 25m1 stop
$2,845Air Canada
Find Deal
Sat, 1 Jun - Sat, 8 Jun
09:55 - 07:20IAD-SYD
31h 25m2 stops
09:20 - 07:48SYD-IAD
36h 28m2 stops
$2,854Air Canada
Find Deal
Sat, 1 Jun - Sat, 8 Jun
17:40 - 07:20IAD-SYD
23h 40m1 stop
09:20 - 16:45SYD-IAD
21h 25m1 stop
$2,879Air Canada
Find Deal
Sat, 1 Jun - Sat, 8 Jun
13:05 - 08:45IAD-SYD
29h 40m2 stops
09:30 - 16:11SYD-IAD
20h 41m1 stop
$2,899Air New Zealand
Find Deal
Tue, 4 Jun - Fri, 14 Jun
20:45 - 06:15IAD-SYD
43h 30m2 stops
14:05 - 16:15SYD-IAD
40h 10m2 stops
$3,235SWISS
Find Deal
Tue, 4 Jun - Fri, 14 Jun
18:05 - 07:05IAD-SYD
23h 00m1 stop
17:35 - 05:40SYD-IAD
26h 05m1 stop
$3,291
Find Deal
Tue, 4 Jun - Fri, 14 Jun
15:27 - 07:05IAD-SYD
25h 38m2 stops
09:15 - 19:45SYD-IAD
24h 30m2 stops
$3,294American Airlines
Find Deal
Sat, 1 Jun - Sun, 16 Jun
22:09 - 08:45IAD-SYD
44h 36m2 stops
09:30 - 00:38SYD-IAD
29h 08m1 stop
$3,401Air New Zealand
Find Deal
Sat, 1 Jun - Sun, 16 Jun
18:05 - 20:30IAD-SYD
36h 25m3 stops
07:35 - 15:15SYD-IAD
45h 40m2 stops
$13,560
Find Deal
Fri, 31 May - Fri, 7 Jun
20:45 - 07:10IAD-SYD
44h 25m2 stops
09:45 - 16:15SYD-IAD
44h 30m2 stops
$15,761SWISS
Find Deal
Fri, 31 May - Fri, 7 Jun

Flights from Dulles Intl to Sydney - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from Washington Dulles Airport to Sydney?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Sydney clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Sydney on a Thursday and more expensive on a Monday. On your return trip to Washington Dulles Airport, you should consider flying back on a Tuesday, and avoid Saturdays for better deals.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Sydney, 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 Washington, D.C. Dulles Intl Airport to Sydney is March, where tickets cost $1,868 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $3,182 and $2,736 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Sydney, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 48 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Sydney?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, ANA offered the best one-way deal for that route, at $1,138. KAYAK users also found Washington Dulles Airport to Sydney return flights on Qantas Airways from $1,642 and on American Airlines from $1,711.

Good to know

Low season

April

High season

December

Cheapest flight

$1,122
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly (21% more expensive on average)
Flight from Washington Dulles Airport to Sydney

When to book flights from Dulles Intl to Sydney

Are your dates flexible? Find out the best times to travel from Dulles Intl to Sydney 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 Washington Dulles Airport to Sydney flights

  • Which airlines are suitable for families flying from Washington Dulles Airport to Sydney?

    Families with children traveling from Washington Dulles Airport to Sydney should consider traveling with Qantas Airways. They provide activity packs filled with games, puzzles, coloring books, and other fun items to keep young passengers entertained during the flight. Qantas Airways also offers a dedicated children's inflight entertainment section featuring a variety of movies, TV shows, and music suitable for different age groups.

  • Which airline should I book for an unaccompanied minor flying from Washington Dulles Airport to Sydney?

    United Airlines is a great option for an unaccompanied kid traveling from Washington Dulles Airport to Sydney. According to United Airlines regulation, a child between the ages of 5 and 15 are permitted to fly alone as long as they have parental or guardian consent and can show identification. A passport or a driver's license with a current photo is required from parents or guardians. In addition, parents or guardians must complete the Unaccompanied Minors Form in person at the airport of departure.

  • Which airline from Washington Dulles Airport to Sydney is ideal for persons with special needs?

    If you have special needs and require extra assistance, fly on Qantas Airways from Washington Dulles Airport to Sydney. The airline assists passengers who require mobility aid, including wheelchair assistance, during boarding and disembarkation. They provide accessible seating options and priority boarding for passengers who need extra time or assistance. Passengers with visual impairments can request assistance with Braille safety cards and cabin announcements.

  • Which airlines offer business and first-class flights from Washington Dulles Airport to Sydney?

    Business and first-class flights are available from Washington Dulles Airport to Sydney on United Airlines and Qantas Airways. United Airlines provides pre-departure refreshments, premium entertainment, and bedding from Saks Fifth Avenue. Qantas Airways offers first-class, business-class, and premium economy flights with great service, gourmet meals, and an extensive wine list.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Sydney?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Sydney was $744 for a one-way ticket and $1,089 for a return.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Sydney?

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

  • Which airline alliances offer flights from Washington Dulles Airport to Sydney?

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

  • Which is the best airline for flights from Washington, D.C. to Sydney, Air New Zealand or United Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Sydney are Air New Zealand and United Airlines. With an average price for the route of $2,531 and an overall rating of 8.2, Air New Zealand is the most popular choice. United Airlines is also a great choice for the route, with an average price of $2,325 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Sydney?

    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 Washington Dulles Airport to Sydney.

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

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

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Sydney?

    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 Sydney with an airline and back to Washington Dulles Airport with another airline.

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

    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 Sydney from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Sydney

  • Passengers flying from Washington Dulles Airport (IAD) to Sydney will land at Sydney Airport (SYD). Sydney Airport (SYD) is a base for Qantas Airways, which offers competitive prices and flexible travel policies for flights from IAD to SYD.
  • You can get flights from Washington Dulles Airport to Sydney with a layover en route. The layovers differ with your airline, with most stopping at their hubs or base of operation. United Airlines and American Airlines flights have a layover at Los Angeles (LAX) and San Francisco (SFO), respectively, while ANA flights stop in Tokyo (HND).
  • Qantas Airways provides sustainable flights to Sydney from Washington Dulles Airport. Qantas Airways prioritizes sustainability in its operations and invest in eco-friendly aircraft technology. The airline is committed to reducing greenhouse gas emissions, improving fuel efficiency, and investing in sustainable aviation fuels. They prioritize aircraft fleet renewal with more fuel-efficient and lower-emission planes.
  • United Airlines has pet-friendly policies for flights from Washington Dulles Airport to Sydney. Pets are permitted in the cabin or cargo hold in an authorized kennel or carrier. The kennel or carrier should be leak-proof, well-ventilated, and have enough space for the pet. The carrier's maximum size and weight limits are 17 x 12.5 x 7.5 inches and 17 lb, respectively.
  • Public transport options from SYD to downtown Sydney include the train and bus. Train T8 runs every 5 minutes from the airport station to downtown Sydney. Murrays Coaches operates a bus that runs every hour from the Terminal 1 bus stop to downtown Sydney.
See more tips

Top 3 airlines serving from Dulles Intl to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Sydney. 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 Dulles Intl to Sydney? 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.
8.2
Air New ZealandOverall score based on 610 reviews
8.1Comfort
7.9Entertainment
8.4Boarding
8.7Crew
7.6Food
Airline reviews

Short flight so no entertainment, turbulence so no food service - overall flight as expected

8.0 ExcellentMichelle, Apr 2024NPL - AKL
Read more about Air New Zealand reviews

Short flight so no entertainment, turbulence so no food service - overall flight as expected

All was good, the only thing was it didn't run on time.

Great meal. Best seats ever! They need to teach other airlines how to do that.

Crew were pleasant, happy to be there and were a joy to be around. Entire operation was professional, well thought out and ran like a Swiss clock.

Couldn’t request a vegan meal somehow but I noticed other people getting them

United flight from SFO to PDX was cancelled. I will ask for a refund. Had to book on Alaska

They announced food service but then never came around. We also couldn’t land so kept trying to get to runway and then had to come up and go around happened like 3 times and cause the child next to me to start throwing up

Good food and entertainment options. Great Staff that were all welcoming and caregiving.

The recline on the seat in front of me came back so that I was staring at the top of the man’s head in front of me the whole trip. He refused to bring his seat back up twice every time he was instructed to do so and only relented when he had a tray of good in front of him. And then right back in my lap!!! Horrible man!! I complained to the staff multiple times, but no one would address the issue. Otherwise, it would have been a perfect flight.

There was a snafu with confirming seats at check which left us in limbo for the second leg of our trip. I believe the ANZ app is not well integrated with the systems at the terminal resulting in this disconcerting error.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

Food was terrible Not many options Stewards dont care Delay

The ride was good but no food ot entertainment hence, it was just over an hour flight.

they made me check my carryon. There was space in the overhead bins.

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

The crew were really great, but the 4 hour delay in small chunks was the worst.

Got automatically assigned a middle seat, unless I fork out extra money for seat assigment.

Flight was diverted to Canberra because Not enough fuel to circle on Sydney’s skies waiting for showers to pass. After that everything went wrong. It took forever to put fuel. Once back rolling, we stopped short of takeoff because crew had reached maximum work hours per shift. Back to gate we waited and waited in the plane with no water and no food - a total of 4 hours. Received contrasting news about the follow up of our trip. Finally we disembarked but our luggage could not be processed there as not enough custom agents. We ended up on buses and arrived at Sydney airports after a 3 hours trip. There we had to queue in line with 240 more passengers to file a lost luggage claim. We received the luggage after 48 hours, many of which spent holding with non-existent United customer service. Never able to speak to an actual person during those long phone calls. Finally on a chatline I could talk to a baggage agent, who filed another report as our luggage did not appear anywhere in their system. Thus it was surprising to get it back.

Every experience was good except for the lack of comfort in those economy seats. I never had knee pain until that flight. Those seats are uncomfortable.

Unable to initiate refund/reschedule the ticket #worst experience #lost 900$

Flight was delayed for almost 3 hours. Communication of gate change was poor. Email and screen said one gate and it was a different gate from that. Gate changed first to 64 B and then to 64 C. Originally it was 68B. 64C was not communicated properly!

This was a red eye return, so I doubt there would be anyway to make it better. Other than adding beds.

Direct nonstop flight was great. Flight was delayed and the crew announced a 2h delay on the sound system. 30 min or so later I hear my name on the sound system for immediate board. Several other passangers were late too. Reason: The crew incorrectly announced a 2h delay when in reality they meant a new boarding time at 2pm.

Plenty of room in the exit row. Sat on the plane an hour before taking off.☹️ Landed late and had to wait for gate availability.

Flight was on time early arrival better entertainment good staff.everything was excellent

Delayed leaving. On arrival we were taken to the airstrip and had to get off onto an over crowed bus, not all that passengers fit. Drove around the airport for 20 + minutes. Taken off the bus told to go upstairs 3 flights then all the passengers had to walk a mile or more , those of us old there was no one to direct us to were to go. I asked several people with no answers. Once I got to baggage claim my bags were not on the right bag claim. Once again asked for help and finally someone found my bags on a different carasel. Very frustrating.

Excellent host on board. Not so friendly check-in staff. Older plane with no food or entertainment due to short flight. Friendly captain and crew.

I don’t think there was entertainment? No mention of it. It was a good flight. Only complaint was my seat cushion was not attached and kept slipping.

They canceled the flight on us very close to the flight date .

Book cheap flights from Washington, D.C. to Sydney

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Sydney found on KAYAK in the last 72 hours.
26/8Mon
2 stops
36h 32mIAD-SYD
$1,122
15/11Fri
1 stopANA
41h 10mIAD-SYD
$1,138
4/9Wed
2 stopsCathay Pacific
46h 37mIAD-SYD
$1,271
7/9Sat
2 stopsCathay Pacific
35h 15mIAD-SYD
$1,351
15/11Fri
2 stopsDelta
27h 20mIAD-SYD
$1,661
16/6Sun
1 stopAir Canada
23h 40mIAD-SYD
$1,800
5/8Mon
1 stopAir Canada
33h 05mIAD-SYD
$1,890
1/8Thu
2 stopsDelta
25h 36mIAD-SYD
$1,955
3/8Sat
1 stopUnited Airlines
26h 29mIAD-SYD
$2,088
6/7Sat
1 stopUnited Airlines
42h 30mIAD-SYD
$2,236

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Last minute flights from Dulles Intl to Sydney

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Sydney that are departing in the next 10 days.
1/6Sat
multi-stopAir Canada
31h 25mIAD-SYD
8/6Sat
multi-stopAir Canada
21h 25mSYD-IAD
$2,845
1/6Sat
multi-stopAir Canada
31h 25mIAD-SYD
8/6Sat
multi-stopAir Canada
36h 28mSYD-IAD
$2,854
1/6Sat
multi-stopAir Canada
23h 40mIAD-SYD
8/6Sat
multi-stopAir Canada
21h 25mSYD-IAD
$2,879
4/6Tue
multi-stopAir New Zealand
29h 40mIAD-SYD
14/6Fri
multi-stopAir New Zealand
20h 41mSYD-IAD
$2,899
4/6Tue
multi-stopSWISS
43h 30mIAD-SYD
14/6Fri
multi-stopSWISS
40h 10mSYD-IAD
$3,235
4/6Tue
multi-stop
23h 00mIAD-SYD
14/6Fri
multi-stop
26h 05mSYD-IAD
$3,291
1/6Sat
multi-stopAmerican Airlines
25h 38mIAD-SYD
16/6Sun
multi-stopAmerican Airlines
24h 30mSYD-IAD
$3,294
1/6Sat
multi-stopAir New Zealand
44h 36mIAD-SYD
16/6Sun
multi-stopAir New Zealand
29h 08mSYD-IAD
$3,401
31/5Fri
multi-stop
36h 25mIAD-SYD
7/6Fri
multi-stop
45h 40mSYD-IAD
$13,560
31/5Fri
multi-stopSWISS
44h 25mIAD-SYD
7/6Fri
multi-stopSWISS
44h 30mSYD-IAD
$15,761

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Washington Dulles Airport - Sydney Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Sydney (SYD)Australia

Return flight deals:

Sydney - Washington Dulles Airport

Cabin classes:

Browse destinations: