SEA

Find cheap United Airlines flights to Seattle from C$ 147

1 adult
1 adult, Economy, 0 bags

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Useful Info
Flight Deals

Cheap United Airlines Flight Deals to Seattle

 
Here are some of the best deals found on KAYAK recently from United Airlines 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 round-trip United Airlines flight deals to Seattle

Wed, 18 Mar - Wed, 8 Apr
United Airlines Logo
3:00 p.m. - 11:28 p.m.
YVR
-
SEA
8h 28m
1 stop
United Airlines Logo
5:00 a.m. - 2:06 p.m.
SEA
-
YVR
9h 06m
1 stop
C$ 249United Airlines
Wed, 11 Mar - Thu, 19 Mar
United Airlines Logo
6:00 a.m. - 10:59 p.m.
YEG
-
SEA
17h 59m
1 stop
United Airlines Logo
5:00 a.m. - 10:20 p.m.
SEA
-
YEG
16h 20m
1 stop
C$ 278United Airlines
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
7:15 p.m. - 12:59 a.m.
YVR
-
SEA
5h 44m
1 stop
United Airlines Logo
9:55 a.m. - 11:10 a.m.
SEA
-
YVR
1h 15mdirect
C$ 289United Airlines
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
7:15 p.m. - 12:59 a.m.
YVR
-
SEA
5h 44m
1 stop
United Airlines Logo
7:10 p.m. - 10:13 a.m.
SEA
-
YVR
15h 03m
1 stop
C$ 310United Airlines
Tue, 24 Mar - Sun, 19 Apr
United Airlines Logo
3:45 p.m. - 10:59 p.m.
YYZ
-
SEA
10h 14m
1 stop
United Airlines Logo
11:59 p.m. - 11:49 a.m.
SEA
-
YYZ
8h 50m
1 stop
C$ 313United Airlines
Tue, 17 Mar - Thu, 9 Apr
United Airlines Logo
6:15 p.m. - 7:16 p.m.
YVR
-
SEA
1h 01mdirect
United Airlines Logo
7:05 p.m. - 10:51 a.m.
SEA
-
YVR
15h 46m
1 stop
C$ 315United Airlines
Tue, 24 Mar - Sun, 19 Apr
United Airlines Logo
4:10 p.m. - 9:14 p.m.
YYZ
-
SEA
8h 04m
1 stop
United Airlines Logo
11:59 p.m. - 11:49 a.m.
SEA
-
YYZ
8h 50m
1 stop
C$ 315United Airlines
Wed, 4 Mar - Fri, 6 Mar
United Airlines Logo
9:55 p.m. - 10:56 p.m.
YVR
-
SEA
1h 01mdirect
United Airlines Logo
7:10 p.m. - 10:13 a.m.
SEA
-
YVR
15h 03m
1 stop
C$ 316United Airlines
Wed, 1 Apr - Tue, 21 Apr
United Airlines Logo
2:45 p.m. - 10:37 p.m.
YYZ
-
SEA
10h 52m
1 stop
United Airlines Logo
2:24 p.m. - 11:59 p.m.
SEA
-
YYZ
6h 35m
1 stop
C$ 316United Airlines
Mon, 2 Mar - Tue, 3 Mar
United Airlines Logo
9:00 p.m. - 11:49 a.m.
YYZ
-
SEA
17h 49m
1 stop
United Airlines Logo
3:16 p.m. - 9:58 a.m.
SEA
-
YYZ
15h 42m
2 stops
C$ 320United Airlines
Useful Info

Good to know

Low seasonNovember
Cheapest flightC$ 147
Average price round-tripC$ 611
Good deal round-tripC$ 519
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Vancouver to Seattle
(avg. price over the last 2 weeks)
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?

    United Airlines is the cheapest airline flying to Seattle with an average return price of C$ 611. Flights to Seattle with Alaska Airlines cost C$ 785 on average.

  • Which other airlines fly to Seattle?

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

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

    On average, United Airlines flights to Seattle cost C$ 611 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.

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 Toronto Pearson Intl Airport and cost C$ 272.
  • If you’re intending to fly with United Airlines, book your flight to Seattle at least 2 weeks before departure to ensure a below-average price.
  • High season for flights to Seattle with United Airlines is August and prices are highest at this time. The cheapest month to fly is March.

United Airlines customer reviews

7.4
Good9,289 verified ratings
7.3Comfort
7.1Entertainment
6.6Food
7.7Boarding
8.1Crew
Traveler rating:
Sort by:
S
10.0 Wonderful
Very old flight - time to retire it for newer airplanes
M
2.0 Poor
2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight
C
2.0 Poor
Flight landed 2 hours late
A
10.0 Wonderful
No real complaints. The in flight food was much better than I expected. The in flight entertainment was excellent.
M
10.0 Wonderful
From pre boarding to flight attendant, crew and baggage handler, excellent. Didn’t lost my luggage like West jet.
A
2.0 Poor
Very disappointing given gate agent behavior. Filed a formal complaint with United.
I
6.0 Okay
Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.
D
8.0 Very good
Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.
D
2.0 Poor
Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.
A
8.0 Very good
Good. Did not feel like a 12 hour flight
Read more about United Airlines

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
Air Canada flights to Seattle
WestJet flights to Seattle
Alaska Airlines flights to Seattle
Delta flights to Seattle