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Find cheap United Airlines flights to Seattle from $992

1 adult

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Good to know

Low season

January

High season

June

Cheapest flight

$992

Average price round-trip

$1,799
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly (3% more expensive on average)
Flight from Sydney to Seattle
(price for this month)

When to book flights with United Airlines to Seattle

Average price per month
Flight prices as travel date approaches

FAQs for flying to Seattle with United Airlines

  • Which airport do United Airlines flights to Seattle fly into?

    You’ll fly into Seattle/Tacoma Airport when flying to Seattle with United Airlines.

  • Are there any other airlines in Star Alliance that fly to Seattle?

    Unfortunately, there are no other airlines in Star Alliance that fly to Seattle.

United Airlines customer reviews

7.4
GoodBased on 9,194 verified guest reviews
6.7Food
8.1Crew
7.7Boarding
7.1Entertainment
7.3Comfort
Pros +
Cons -
Show reviews that mention
Traveller rating:
Sort by:
B
5.6 Fair
Cons:More water, drinks. The food was absolutely horrible.
A
7.0 Good
Cons:Passenger behind us allowed 2 children to misbehave for the entire flight. Parent rammed our seats many times. Upon leaving they physically assaulted my daughter.
A
8.6 Very Good
Pros:Crew in flight was nice and professional Sit in 1st class was comfortable
Cons:For this flight everything was good
S
8.6 Very Good
Pros:Most things were fine, it left on time, seats were as expected etc.
Cons:I had to check my carry on because they ran out of room on the plane way too early- a lot of us had to check carry ons. Crew in second flight- one lady was rather miserable with her attitude in general. The rest of the crew was great.
M
6.0 Okay
Pros:The plane was very clean and staff was very friendly.
Cons:The United app did not update the boarding pass and the gate never appeared. Had to check the board at the airport. The flight was delayed. The entertainment in the flight was not up to par. There were hardly any new movies to watch and the software is old so the app kept on freezing when watching the movie.
J
4.0 Mediocre
I’ve had a couple flights this week on United that were delayed by an hour or more
M
6.0 Okay
Really old planes
A
10.0 Wonderful
Was my best trip. Everything was on time and it all went so smoothly..
T
6.0 Okay
Loading was quick and efficient. The bate and switch with discount tickets were you are forced to pay for bag.
A
6.0 Okay
2 hr delay of fligt
Read more about United Airlines

Book Cheap flights with United Airlines to Seattle

Recent return flight deals

8/2Sat
2 stopsUnited Airlines
44h 15mBNE-SEA
14/2Fri
2 stopsUnited Airlines
37h 31mSEA-BNE
$1,118
16/1Thu
1 stopUnited Airlines
19h 52mBNE-SEA
16/2Sun
2 stopsUnited Airlines
24h 44mSEA-BNE
$1,125
12/3Wed
2 stopsUnited Airlines
28h 47mMEL-SEA
26/3Wed
2 stopsUnited Airlines
25h 35mSEA-MEL
$1,277
11/3Tue
1 stopUnited Airlines
26h 06mMEL-SEA
26/3Wed
1 stopUnited Airlines
23h 26mSEA-MEL
$1,284
8/2Sat
2 stopsUnited Airlines
29h 00mSYD-SEA
28/2Fri
1 stopUnited Airlines
18h 43mSEA-SYD
$1,570
30/4Wed
2 stopsUnited Airlines
25h 47mSYD-SEA
26/5Mon
1 stopUnited Airlines
18h 28mSEA-SYD
$1,581
21/2Fri
2 stopsUnited Airlines
23h 46mSYD-SEA
28/2Fri
1 stopUnited Airlines
22h 43mSEA-SYD
$1,589
14/1Tue
1 stopUnited Airlines
17h 40mBNE-SEA
18/2Tue
1 stopUnited Airlines
20h 32mSEA-BNE
$1,631
26/4Sat
1 stopUnited Airlines
27h 34mMEL-SEA
16/5Fri
1 stopUnited Airlines
22h 00mSEA-MEL
$2,022
4/4Fri
1 stopUnited Airlines
30h 56mMEL-SEA
25/4Fri
1 stopUnited Airlines
26h 16mSEA-MEL
$2,036
7/5Wed
1 stopUnited Airlines
19h 21mBNE-SEA
17/5Sat
2 stopsUnited Airlines
37h 40mSEA-BNE
$2,135
22/12Sun
1 stopUnited Airlines
29h 50mMEL-SEA
22/1Wed
2 stopsUnited Airlines
30h 00mSEA-MEL
$2,153
30/12Mon
1 stopUnited Airlines
30h 40mSYD-SEA
5/2Wed
1 stopUnited Airlines
26h 00mSEA-SYD
$2,288
28/2Fri
3 stopsUnited Airlines
34h 44mPER-SEA
5/6Thu
2 stopsUnited Airlines
28h 08mSEA-PER
$2,332
3/12Tue
1 stopUnited Airlines
18h 58mMEL-SEA
10/12Tue
1 stopUnited Airlines
25h 00mSEA-MEL
$2,337
28/2Fri
3 stopsUnited Airlines
34h 44mPER-SEA
28/5Wed
2 stopsUnited Airlines
26h 23mSEA-PER
$2,346
28/2Fri
3 stopsUnited Airlines
34h 44mPER-SEA
30/5Fri
2 stopsUnited Airlines
25h 58mSEA-PER
$2,349
10/12Tue
1 stopUnited Airlines
23h 40mSYD-SEA
29/12Sun
1 stopUnited Airlines
36h 01mSEA-SYD
$2,363
10/4Thu
1 stopUnited Airlines
27h 34mMEL-SEA
14/4Mon
1 stopUnited Airlines
30h 15mSEA-MEL
$2,374
22/12Sun
1 stopUnited Airlines
27h 15mMEL-SEA
22/1Wed
2 stopsUnited Airlines
34h 00mSEA-MEL
$2,390

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Recent one-way flight deals

20/1Mon
3 stopsUnited Airlines
44h 50mSYD-SEA
$992
6/4Sun
2 stopsUnited Airlines
28h 59mSYD-SEA
$998
21/2Fri
3 stopsUnited Airlines
44h 24mSYD-SEA
$1,005
6/4Sun
3 stopsUnited Airlines
43h 20mMEL-SEA
$1,303
6/4Sun
2 stopsUnited Airlines
42h 10mBNE-SEA
$1,458
11/12Wed
1 stopUnited Airlines
22h 11mSYD-SEA
$1,498
28/11Thu
1 stopUnited Airlines
38h 36mMEL-SEA
$1,499
24/12Tue
2 stopsUnited Airlines
31h 20mMEL-SEA
$1,521
24/12Tue
1 stopUnited Airlines
29h 50mMEL-SEA
$1,535
7/12Sat
1 stopUnited Airlines
30h 00mMEL-SEA
$1,598
26/12Thu
1 stopUnited Airlines
27h 15mMEL-SEA
$1,805
18/12Wed
2 stopsUnited Airlines
29h 40mMEL-SEA
$1,852
13/12Fri
2 stopsUnited Airlines
28h 45mSYD-SEA
$1,924
28/11Thu
3 stopsUnited Airlines
26h 48mMEL-SEA
$2,034
18/12Wed
1 stopUnited Airlines
30h 50mMEL-SEA
$2,294
12/1Sun
1 stopUnited Airlines
21h 37mSYD-SEA
$3,127

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Everything you need to know for your flight to Seattle

Other airlines flying to Seattle

Flight deals from the most popular airlines with KAYAK users flying the route
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