Calgary (YYC) to Seattle (SEA) flights

An economy award from Calgary (YYC) to Seattle (SEA) starts at 4,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $48.59. 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.
How many miles YYC to SEA costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| Alaska Atmos RewardsOn Alaska Airlines | 4,500 | $48.59β68.59 |
| Iberia ClubOn Alaska Airlines | 6,000 | $48.59β68.59 |
| Virgin Atlantic Flying ClubOn WestJet | 6,000 | $48.59β108.59 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 9,500 | $48.59β68.59 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 10,000 | $71.99β91.99 |
| Starlux (COSMILE)On Alaska Airlines | 10,000 | $81.59β101.59 |
| Qantas Frequent FlyerOn Alaska Airlines | 11,500 | $48.59β68.59 |
| British Airways ClubOn Alaska Airlines | 12,000 | $48.59β68.59 |
| JAL Mileage BankOn Alaska Airlines | 12,000 | $48.59β68.59 |
| American AAdvantageOn Alaska Airlines | 12,500 | $48.59β68.59 |
| Delta SkyMilesOn WestJet | 12,500 | $48.59β108.59 |
| Finnair PlusOn Alaska Airlines | 17,500 | $48.59β68.59 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from YYC to SEA
- Alaska Airlinesoneworld Β· bookable with 9 programsWho books it

- WestJetNot in an alliance Β· 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
How many miles does YYC to SEA cost?
In economy it starts at 4,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $48.59. Next cheapest: Iberia Club (6,000), Virgin Atlantic Flying Club (6,000) and Qatar Airways Privilege Club (9,500). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
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.
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.









