United States to Canada · 2,277 miles (3,665 km)

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 Canada logo
    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.

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
    Alaska Airlines logo
    WestJet logo
    Air Canada logo
    WestJet logo
    Porter Airlines logo
  • Via Kelowna (YLW)Alaska Airlines and WestJet, then Air Canada
    Alaska Airlines logo
    WestJet logo
    Air Canada logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Air Canada logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Air Canada logo
    Air Transat logo
    WestJet logo
    +2
  • Via Edmonton (YEG)Alaska Airlines, then Air Canada and Porter Airlines
    Alaska Airlines logo
    Air Canada logo
    Porter Airlines logo
  • Via Victoria (YYJ)Alaska Airlines, then Air Canada
    Alaska Airlines logo
    Air Canada logo
  • Via Vancouver (YVR)Air Canada the whole way
    Air Canada logo
    Alaska Airlines logo
    Delta Air Lines logo
    Air Canada logo
    Flair Airlines logo
    Porter Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
    Air Canada logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    American Airlines logo
    Air Canada logo
    United Airlines logo
  • Via Cleveland (CLE)Alaska Airlines, then Air Canada
    Alaska Airlines logo
    Air Canada logo
  • Via Pittsburgh (PIT)Alaska Airlines and American Airlines, then Air Canada
    Alaska Airlines logo
    American Airlines logo
    Air Canada logo
  • Via Columbus (CMH)Alaska Airlines, then Air Canada
    Alaska Airlines logo
    Air Canada logo
  • Via Denver (DEN)Alaska Airlines, Delta Air Lines and 4 more, then Air Canada
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
    Air Canada logo
  • Via Cincinnati (CVG)Delta Air Lines and Alaska Airlines, then Air Canada
    Delta Air Lines logo
    Alaska Airlines logo
    Air Canada logo
  • Via Saint Louis (STL)Alaska Airlines and Southwest Airlines, then Air Canada
    Alaska Airlines logo
    Southwest Airlines logo
    Air Canada logo
See all 40 in Routes

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.