Seattle (SEA) to Montreal (YUL) flights
One airline flies nonstop from Seattle (SEA) to Montreal (YUL): Air Canada. The two airports are 2,277 miles (3,665 km) apart. Air Canada is in Star Alliance. There are also 40 ways to fly it with one stop, through Calgary, Kelowna and Minneapolis and more.
Airlines flying nonstop from SEA to YUL
- Air CanadaStar Alliance · bookable with 12 programsWho books it

Book SEA to YUL 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
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Lufthansa Miles & MoreBooks Air Canada
- 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
SEA to YUL with one stop
40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Calgary (YYC)WestJet the whole way





- Via Kelowna (YLW)Alaska Airlines and WestJet, then Air Canada



- Via Minneapolis (MSP)Delta Air Lines the whole way





- Via Toronto (YYZ)Air Canada the whole way



+2
- Via Edmonton (YEG)Alaska Airlines, then Air Canada and Porter Airlines



- Via Victoria (YYJ)Alaska Airlines, then Air Canada


- Via Vancouver (YVR)Air Canada the whole way






- Via Detroit (DTW)Delta Air Lines the whole way




- Via Chicago (ORD)American Airlines and United Airlines the whole way

+1



- Via Cleveland (CLE)Alaska Airlines, then Air Canada


- Via Pittsburgh (PIT)Alaska Airlines and American Airlines, then Air Canada



- Via Columbus (CMH)Alaska Airlines, then Air Canada


- Via Denver (DEN)Alaska Airlines, Delta Air Lines and 4 more, then Air Canada

+3

- Via Cincinnati (CVG)Delta Air Lines and Alaska Airlines, then Air Canada



- Via Saint Louis (STL)Alaska Airlines and Southwest Airlines, then Air Canada



SEA to YUL: common questions
Which airlines fly nonstop from SEA to YUL?
Air Canada (Star Alliance) flies nonstop from Seattle (SEA) to Montreal (YUL).
How far is Seattle from Montreal by plane?
Seattle (SEA) and Montreal (YUL) are 2,277 miles (3,665 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SEA to YUL award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SEA to YUL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to YUL with taxes and fees.
Where can I connect between Seattle and Montreal?
The most direct connections are through Calgary (YYC), Kelowna (YLW), Minneapolis (MSP), Toronto (YYZ) and Edmonton (YEG). On 14 of them the same airline flies both flights, for example WestJet through Calgary.
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.