Montreal (YUL) to Saint Louis (STL) flights
One airline flies nonstop from Montreal (YUL) to Saint Louis (STL): Air Canada. The two airports are 967 miles (1,557 km) apart. Air Canada is in Star Alliance. There are also 17 ways to fly it with one stop, through Toronto, Detroit and Cleveland and more.
Airlines flying nonstop from YUL to STL
- Air CanadaStar Alliance · bookable with 12 programsWho books it
Book YUL to STL 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
YUL to STL with one stop
17 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Toronto (YYZ)Air Canada the whole way
+2
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Cleveland (CLE)Air Canada, then Southwest Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Columbus (CMH)Air Canada, then Southwest Airlines
- Via Pittsburgh (PIT)Air Canada, then Southwest Airlines
- Via Dulles (IAD)United Airlines the whole way
- Via New York (EWR)United Airlines the whole way
- Via Nashville (BNA)Air Canada, then Southwest Airlines
- Via Washington (DCA)Air Canada, then American Airlines and Southwest Airlines
- Via Philadelphia (PHL)American Airlines the whole way
- Via New York (LGA)American Airlines and Delta Air Lines the whole way
- Via Boston (BOS)Air Canada and Porter Airlines, then Southwest Airlines and American Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Raleigh/Durham (RDU)Air Canada, then Southwest Airlines
YUL to STL: common questions
Which airlines fly nonstop from YUL to STL?
Air Canada (Star Alliance) flies nonstop from Montreal (YUL) to Saint Louis (STL).
How far is Montreal from Saint Louis by plane?
Montreal (YUL) and Saint Louis (STL) are 967 miles (1,557 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YUL to STL 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 YUL to STL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YUL to STL with taxes and fees.
Where can I connect between Montreal and Saint Louis?
The most direct connections are through Toronto (YYZ), Detroit (DTW), Cleveland (CLE), Chicago (ORD) and Columbus (CMH). On 10 of them the same airline flies both flights, for example Air Canada through Toronto.
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.