Calgary (YYC) to Seattle (SEA) flights
2 airlines fly nonstop from Calgary (YYC) to Seattle (SEA): Alaska Airlines and WestJet. The two airports are 452 miles (727 km) apart. Alaska Airlines is in oneworld. There are also 5 ways to fly it with one stop, through Kelowna, Victoria and Vancouver and more.
Airlines flying nonstop from YYC to SEA
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- WestJetNot in an alliance · bookable with 3 programsWho books it
Book YYC to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air France-KLM Flying BlueBooks WestJet
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Delta SkyMilesBooks WestJet
- Emirates SkywardsBooks WestJet
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
YYC to SEA with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Kelowna (YLW)WestJet the whole way
- Via Victoria (YYJ)WestJet and Flair Airlines, then Alaska Airlines
- Via Vancouver (YVR)Air Canada the whole way
- Via Portland (PDX)WestJet, then Alaska Airlines and Delta Air Lines
- Via Edmonton (YEG)Air North, Air Canada and 1 more, then Alaska Airlines4N
YYC to SEA: common questions
Which airlines fly nonstop from YYC to SEA?
Alaska Airlines (oneworld) and WestJet fly nonstop from Calgary (YYC) to Seattle (SEA).
How far is Calgary from Seattle by plane?
Calgary (YYC) and Seattle (SEA) are 452 miles (727 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YYC to SEA award flights?
12 programs can book at least one of the nonstop airlines: Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Delta SkyMiles, Emirates Skywards, Finnair Plus and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does YYC to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YYC to SEA with taxes and fees.
Where can I connect between Calgary and Seattle?
The most direct connections are through Kelowna (YLW), Victoria (YYJ), Vancouver (YVR), Portland (PDX) and Edmonton (YEG). On 2 of them the same airline flies both flights, for example WestJet through Kelowna.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.