Air Canada
Star Alliance
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United States
Lambert-Saint Louis International Airport
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Canada
Montréal-Pierre Elliott Trudeau International Airport
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Scan through all non-stop flights from St. Louis to Montreal. The full flight schedule below gives an overview of all non-stop flights from STL to YUL, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Warm Continental destinations such as Montreal enjoy summer temperatures that fluctuate between 20°C and 28°C (68°F to 82°F), with some heatwaves leading to even hotter days. Winters are mostly cold and snowy, with average temperatures ranging from -5°C to 0°C (23°F to 32°F). Travelers can enjoy the vibrant autumn scenery, ski during the winter season, or enjoy the comfortable to warm summer months.
If you're planning a trip to Montreal, the best time to visit is from late spring through the end of summer, when the weather is pleasantly warm from May to August. Winters can be quite cold, with frost occurring almost every month from November to March and regular snowfall. This makes the mountainous regions perfect for winter sports, offering great opportunities for a winter getaway as well!
Currently, there is only one airline operating non-stop flights from St. Louis STL to Montreal YUL, which is Air Canada. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their STL YUL flight schedule.
Flights from STL to YUL are operated 7 times a week, with an average of 1 flight per day. Departure times vary between 12:10 - 13:20. The earliest flight departs at 12:10, the last flight departs at 13:20. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from St. Louis to Montreal takes 2 hours and 35 minutes. The flight distance between St. Louis and Montreal is 967 miles (or 1,556 km).
There are 2 airports in Montreal: Montréal-Pierre Elliott Trudeau International Airport (YUL) and Montréal-Mirabel International Airport (YMX).
There are 7 flights per week flying from St. Louis to Montreal (as of April 2026).
2 hours and 35 minutes is the average flight time from St. Louis to Montreal.
The distance from St. Louis to Montreal is 967 miles (1,556 kilometers).
Air Canada is the only airline flying nonstop from St. Louis to Montreal.
Star Alliance is currently the only alliance flying nonstop from St. Louis to Montreal.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from St. Louis to Montreal:
The earliest flight departs at 12:10 from St. Louis and arrives at 15:42 at Montreal.
The latest flight departs at 13:20 from St. Louis and arrives at 16:55 at Montreal.
967 miles (1,556 km) · 2h 35m
13:00
16:35
Air Canada
Star Alliance
AC 1564
Air Canada
Airbus A220-300
Y
W
J
F
13:05
16:40
Air Canada
Star Alliance
AC 1564
Air Canada
Airbus A220-300
Y
W
J
F
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