Flights to Seattle from CA $ 277*
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1 Passenger, Economy
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today
today
United's most popular flights to Seattle (SEA)
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CA $
Toronto (YYZ)to
Seattle (SEA)2026/02/25 - 2026/03/04
from
CA $ 326
Viewed: 20 hours ago
Roundtrip
Economy
Vancouver (YVR)to
Seattle (SEA)2026/05/10 - 2026/05/13
from
CA $ 314
Viewed: 2 hours ago
Roundtrip
Economy
Montreal (YUL)to
Seattle (SEA)2026/04/15 - 2026/04/22
from
CA $ 551
Viewed: 20 hours ago
Roundtrip
Economy
Edmonton (YEG)to
Seattle (SEA)2026/04/08 - 2026/04/22
from
CA $ 277
Viewed: 20 hours ago
Roundtrip
Economy
Calgary (YYC)to
Seattle (SEA)2026/05/05 - 2026/05/09
from
CA $ 327
Viewed: 20 hours ago
Roundtrip
Economy
Québec (YQB)to
Seattle (SEA)2026/05/01 - 2026/05/05
from
CA $ 721
Viewed: 13 hours ago
Roundtrip
Economy
Halifax (YHZ)to
Seattle (SEA)2026/03/25 - 2026/04/08
from
CA $ 436
Viewed: 14 hours ago
Roundtrip
Economy
Ottawa (YOW)to
Seattle (SEA)2026/02/26 - 2026/03/02
from
CA $ 436
Viewed: 20 hours ago
Roundtrip
Economy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class deals on flights to Seattle (SEA)
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CA $
Toronto (YYZ)to
Seattle (SEA)
2026/03/05 - 2026/04/02
Roundtrip
Business
from
CA $ 1,595
Viewed: 1 day ago
Vancouver (YVR)to
Seattle (SEA)
2026/02/27 - 2026/03/02
Roundtrip
Business
from
CA $ 896
Viewed: 1 day ago
Montreal (YUL)to
Seattle (SEA)
2026/04/16 - 2026/04/19
Roundtrip
Business
from
CA $ 1,807
Viewed: 1 day ago
Calgary (YYC)to
Seattle (SEA)
2026/05/09 - 2026/05/11
Roundtrip
Business
from
CA $ 1,366
Viewed: 2 hours ago
Halifax (YHZ)to
Seattle (SEA)
2026/04/10 - 2026/04/17
Roundtrip
Business
from
CA $ 1,820
Viewed: 3 hours ago
Edmonton (YEG)to
Seattle (SEA)
2026/05/18 - 2026/05/25
Roundtrip
Business
from
CA $ 952
Viewed: 27 minutes ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Things to do after your flight to Seattle (SEA)
Fly to Seattle with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.
Seattle’s top attractions
- Admire the vistas from atop of the famous Space Needle.
- Browse the local shops at Pike Place Market.
- Ride and enjoy the view on the Seattle Great Wheel.
- Get outdoors and spot the wildlife at Discovery Park.
- Treat your kids to a day at Woodland Park Zoo or the Seattle Aquarium.
- Take a ferry to explore the many islands in the Puget Sound.
Best time to travel to Seattle
Visit Seattle in summer for warm temperatures and drier days, though popular events take place year-round. In spring, take part in the Jewish Film Festival, Vegfest, the World Rhythm Festival and the Seattle Cherry Blossom and Japanese Cultural Festival. Summertime favorites include the Spirit of Indigenous People and the Ballard Seafood Fest. Fall sees many cultural festivals, such as Croatia Fest, Fremont Oktoberfest and TurkFest. Winter highlights include Winterfest, Seattle Boat Show and Wintergrass Bluegrass Festival.