Toronto (YYZ) to Seattle (SEA) flights
An economy award from Toronto (YYZ) to Seattle (SEA) starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $48.59. 2 airlines fly nonstop from Toronto (YYZ) to Seattle (SEA): Air Canada and Alaska Airlines. The two airports are 2,055 miles (3,307 km) apart. Air Canada is in Star Alliance and Alaska Airlines is in oneworld. There are also 46 ways to fly it with one stop, through Minneapolis, Calgary and Kelowna and more.
How many miles YYZ 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 | 10,000 | $48.59–68.59 |
| Air Canada AeroplanOn Air Canada | 12,500 | $71.99–131.99 |
| American AAdvantageOn Alaska Airlines | 12,500 | $48.59–68.59 |
| Avianca LifeMilesOn Air Canada | 12,500 | $73.59–133.59 |
| Iberia ClubOn Alaska Airlines | 13,000 | $48.59–68.59 |
| ANA Mileage ClubOn Air Canada | 15,000 | $68.59–508.59 |
| Cathay Pacific Asia MilesOn Alaska Airlines | 15,000 | $71.99–91.99 |
| Singapore Airlines KrisFlyerOn Air Canada | 15,000 | $68.59–508.59 |
| Qatar Airways Privilege ClubOn Alaska Airlines | 16,000 | $48.59–68.59 |
| Finnair PlusOn Alaska Airlines | 17,500 | $48.59–68.59 |
| Thai Royal Orchid PlusOn Air Canada | 17,500 | $68.59–508.59 |
| EVA Air Infinity MileageLandsOn Air Canada | 19,500 | $68.59–508.59 |
Business and first class prices, and 8 more programs, 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 YYZ to SEA
- Air CanadaStar Alliance · bookable with 12 programsWho books it
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
Book YYZ to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada
- Air New Zealand AirpointsBooks Air Canada
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Lufthansa Miles & MoreBooks Air Canada
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- Singapore Airlines KrisFlyerBooks Air Canada
- TAP Miles&GoBooks Air Canada
- Thai Royal Orchid PlusBooks Air Canada
- Turkish Airlines Miles&SmilesBooks Air Canada
- United MileagePlusBooks Air Canada
YYZ to SEA with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
- Via Calgary (YYC)WestJet the whole way
+1
- Via Kelowna (YLW)Air Canada and Porter Airlines, then Alaska Airlines and WestJet
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
+1 - Via Victoria (YYJ)Air Canada and Porter Airlines, then Alaska Airlines
- Via Vancouver (YVR)Air Canada the whole way+1
- Via Cleveland (CLE)Air Canada, then Alaska Airlines
- Via Edmonton (YEG)Air Canada, Flair Airlines and 2 more, then Alaska Airlines+1
- Via Indianapolis (IND)Air Canada, then Alaska Airlines and American Airlines
- Via Columbus (CMH)Air Canada, then Alaska Airlines
- Via Denver (DEN)United Airlines the whole way+3
- Via Pittsburgh (PIT)Air Canada, then Alaska Airlines and American Airlines
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Saint Louis (STL)Air Canada, then Alaska Airlines and Southwest Airlines
YYZ to SEA: common questions
How many miles does YYZ to SEA cost?
In economy it starts at 10,000 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $48.59. Next cheapest: Air Canada Aeroplan (12,500), American AAdvantage (12,500) and Avianca LifeMiles (12,500). 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 YYZ to SEA?
Air Canada (Star Alliance) and Alaska Airlines (oneworld) fly nonstop from Toronto (YYZ) to Seattle (SEA).
How far is Toronto from Seattle by plane?
Toronto (YYZ) and Seattle (SEA) are 2,055 miles (3,307 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YYZ to SEA award flights?
21 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
Where can I connect between Toronto and Seattle?
The most direct connections are through Minneapolis (MSP), Calgary (YYC), Kelowna (YLW), Detroit (DTW) and Chicago (ORD). On 19 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
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.