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Find cheap United Airlines flights to Seattle from $69

1 adult
0 bags

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Good to know

Low season

January

High season

July

Cheapest flight

$69

Average price round-trip

$1,370

Good deal round-trip

$737

Good deal one-way

$531
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 24% increase in price.
Flight from Chicago O'Hare Airport to Seattle
(avg. price over the last 2 weeks)
or less
or less

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

  • Is United Airlines cheaper than other airlines flying to Seattle?

    With an average return price of $497, United Airlines is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is American Airlines.

  • Which other airlines fly to Seattle?

    Along with United Airlines, you can also fly to Seattle with Alaska Airlines, American Airlines, American Airlines, Alaska Airlines, Delta, Delta and Southwest.

  • How much is a flight to Seattle with United Airlines?

    On average, United Airlines flights to Seattle cost $497 for a round-trip.

  • 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.

See more FAQs

Top tips for your flights to Seattle with United Airlines

  • The cheapest flight to Seattle with United Airlines found on KAYAK in the last 2 weeks departed from Houston George Bush Intcntl Airport and cost $256.

United Airlines customer reviews

7.4
GoodBased on 9,240 verified guest reviews
8.1Crew
6.7Food
7.7Boarding
7.3Comfort
7.1Entertainment

Pros +
Cons -

Show reviews that mention
Traveler 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

Book Cheap flights with United Airlines to Seattle

Recent round-trip flight deals

11/21Thu
nonstopUnited Airlines
2h 21mSFO-SEA
11/24Sun
nonstopUnited Airlines
2h 14mSEA-SFO
$97
12/5Thu
nonstopUnited Airlines
3h 00mLAX-SEA
12/9Mon
nonstopUnited Airlines
2h 48mSEA-LAX
$117
1/16Thu
nonstopUnited Airlines
2h 20mSFO-SEA
1/20Mon
nonstopUnited Airlines
2h 19mSEA-SFO
$127
12/6Fri
nonstopUnited Airlines
4h 51mORD-SEA
12/8Sun
nonstopUnited Airlines
3h 57mSEA-ORD
$137
12/19Thu
nonstopUnited Airlines
2h 20mSFO-SEA
1/1Wed
nonstopUnited Airlines
2h 22mSEA-SFO
$139
3/12Wed
1 stopUnited Airlines
8h 19mORD-SEA
3/19Wed
nonstopUnited Airlines
3h 54mSEA-ORD
$142
11/20Wed
nonstopUnited Airlines
2h 58mLAX-SEA
11/21Thu
nonstopUnited Airlines
2h 48mSEA-LAX
$152
3/12Wed
nonstopUnited Airlines
4h 43mORD-SEA
3/19Wed
nonstopUnited Airlines
3h 54mSEA-ORD
$154
11/20Wed
1 stopUnited Airlines
7h 03mLAX-SEA
11/21Thu
nonstopUnited Airlines
2h 48mSEA-LAX
$157
12/25Wed
nonstopUnited Airlines
2h 20mSFO-SEA
1/1Wed
nonstopUnited Airlines
2h 22mSEA-SFO
$159
11/20Wed
nonstopUnited Airlines
2h 15mSFO-SEA
11/26Tue
nonstopUnited Airlines
2h 17mSEA-SFO
$162
12/24Tue
nonstopUnited Airlines
2h 20mSFO-SEA
12/31Tue
nonstopUnited Airlines
2h 19mSEA-SFO
$167
11/21Thu
nonstopUnited Airlines
2h 21mSFO-SEA
11/24Sun
nonstopUnited Airlines
2h 14mSEA-SFO
$168
4/19Sat
nonstopUnited Airlines
4h 36mORD-SEA
4/26Sat
nonstopUnited Airlines
4h 00mSEA-ORD
$169
1/16Thu
nonstopUnited Airlines
4h 49mORD-SEA
1/20Mon
nonstopUnited Airlines
4h 01mSEA-ORD
$170
4/19Sat
1 stopUnited Airlines
8h 00mORD-SEA
4/26Sat
nonstopUnited Airlines
3h 58mSEA-ORD
$174
12/24Tue
1 stopUnited Airlines
8h 00mSNA-SEA
12/31Tue
1 stopUnited Airlines
7h 21mSEA-SNA
$176
12/6Fri
1 stopUnited Airlines
6h 22mONT-SEA
12/12Thu
1 stopUnited Airlines
7h 35mSEA-ONT
$176
3/13Thu
nonstopUnited Airlines
4h 43mORD-SEA
3/17Mon
nonstopUnited Airlines
3h 54mSEA-ORD
$177
11/20Wed
nonstopUnited Airlines
4h 51mORD-SEA
11/21Thu
nonstopUnited Airlines
4h 03mSEA-ORD
$178

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Recent one-way flight deals

2/9Sun
nonstopUnited Airlines
4h 49mORD-SEA
$69
11/23Sat
nonstopUnited Airlines
2h 15mSFO-SEA
$70
3/10Mon
1 stopUnited Airlines
8h 19mORD-SEA
$74
11/28Thu
nonstopUnited Airlines
2h 21mSFO-SEA
$84
11/30Sat
nonstopUnited Airlines
4h 46mORD-SEA
$85
12/19Thu
1 stopUnited Airlines
6h 20mSNA-SEA
$88
1/28Tue
1 stopUnited Airlines
7h 45mSAN-SEA
$88
12/13Fri
nonstopUnited Airlines
4h 51mORD-SEA
$89
12/19Thu
nonstopUnited Airlines
2h 20mSFO-SEA
$91
11/21Thu
nonstopUnited Airlines
4h 48mORD-SEA
$94
12/24Tue
1 stopUnited Airlines
8h 00mSNA-SEA
$98
3/13Thu
1 stopUnited Airlines
6h 33mLAX-SEA
$98
11/13Wed
nonstopUnited Airlines
6h 25mEWR-SEA
$99
1/29Wed
1 stopUnited Airlines
5h 10mLAX-SEA
$99
11/27Wed
nonstopUnited Airlines
4h 51mORD-SEA
$101
1/29Wed
1 stopUnited Airlines
12h 45mEWR-SEA
$104
12/31Tue
1 stopUnited Airlines
4h 46mONT-SEA
$107
11/29Fri
1 stopUnited Airlines
5h 08mSNA-SEA
$108
1/21Tue
1 stopUnited Airlines
10h 14mDFW-SEA
$108
2/28Fri
nonstopUnited Airlines
4h 43mORD-SEA
$109

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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