Flights to Seattle from CA $ 298*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
United's most popular flights to Seattle (SEA)
flight_takeoff
flight_land
CA $
Vancouver (YVR)to
Seattle (SEA)2026/01/10 - 2026/01/24
from
CA $ 311
Viewed: 5 hours ago
Roundtrip
Economy
Toronto (YYZ)to
Seattle (SEA)2026/02/03 - 2026/02/10
from
CA $ 311
Viewed: 5 hours ago
Roundtrip
Economy
Ottawa (YOW)to
Seattle (SEA)2026/02/03 - 2026/02/07
from
CA $ 435
Viewed: 6 hours ago
Roundtrip
Economy
Montreal (YUL)to
Seattle (SEA)2026/02/03 - 2026/02/10
from
CA $ 545
Viewed: 5 hours ago
Roundtrip
Economy
Edmonton (YEG)to
Seattle (SEA)2026/01/17 - 2026/01/21
from
CA $ 298
Viewed: 5 hours ago
Roundtrip
Economy
Calgary (YYC)to
Seattle (SEA)2026/03/04 - 2026/03/08
from
CA $ 302
Viewed: 5 hours ago
Roundtrip
Economy
Québec (YQB)to
Seattle (SEA)2026/01/13 - 2026/01/20
from
CA $ 931
Viewed: 23 hours ago
Roundtrip
Economy
Halifax (YHZ)to
Seattle (SEA)2026/01/21 - 2026/01/28
from
CA $ 435
Viewed: 22 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)
flight_takeoff
flight_land
CA $
Vancouver (YVR)to
Seattle (SEA)
2025/12/05 - 2025/12/07
Roundtrip
Business
from
CA $ 917
Viewed: 6 hours ago
Toronto (YYZ)to
Seattle (SEA)
2026/01/26 - 2026/01/31
Roundtrip
Business
from
CA $ 1,977
Viewed: 1 day ago
Montreal (YUL)to
Seattle (SEA)
2026/05/22 - 2026/06/07
Roundtrip
Business
from
CA $ 2,244
Viewed: 1 day ago
Calgary (YYC)to
Seattle (SEA)
2025/12/05 - 2025/12/07
Roundtrip
Business
from
CA $ 1,197
Viewed: 10 hours ago
Ottawa (YOW)to
Seattle (SEA)
2025/12/25 - 2025/12/29
Roundtrip
Business
from
CA $ 1,882
Viewed: 1 day ago
Halifax (YHZ)to
Seattle (SEA)
2026/03/14 - 2026/03/18
Roundtrip
Business
from
CA $ 2,023
Viewed: 10 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.