Flights to Seattle from CA $ 286*
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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 $
Vancouver (YVR)to
Seattle (SEA)2026/01/10 - 2026/01/24
from
CA $ 322
Viewed: 3 hours ago
Roundtrip
Economy
Toronto (YYZ)to
Seattle (SEA)2026/02/03 - 2026/02/10
from
CA $ 335
Viewed: 3 hours ago
Roundtrip
Economy
Ottawa (YOW)to
Seattle (SEA)2026/02/18 - 2026/02/22
from
CA $ 413
Viewed: 3 hours ago
Roundtrip
Economy
Québec (YQB)to
Seattle (SEA)2026/03/07 - 2026/03/21
from
CA $ 929
Viewed: 20 hours ago
Roundtrip
Economy
Edmonton (YEG)to
Seattle (SEA)2026/01/27 - 2026/02/10
from
CA $ 286
Viewed: 3 hours ago
Roundtrip
Economy
Montreal (YUL)to
Seattle (SEA)2026/03/10 - 2026/03/17
from
CA $ 541
Viewed: 3 hours ago
Roundtrip
Economy
Calgary (YYC)to
Seattle (SEA)2026/03/04 - 2026/03/08
from
CA $ 301
Viewed: 3 hours ago
Roundtrip
Economy
Halifax (YHZ)to
Seattle (SEA)2026/02/23 - 2026/02/27
from
CA $ 417
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)
2025/12/26 - 2026/01/04
Roundtrip
Business
from
CA $ 2,729
Viewed: 21 hours ago
Montreal (YUL)to
Seattle (SEA)
2026/05/16 - 2026/05/24
Roundtrip
Business
from
CA $ 2,133
Viewed: 15 hours 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.