Direct (nonstop) flights from Saint Louis to Montreal
1 airline flys nonstop from Saint Louis Airport (STL) to Pierre Elliott Trudeau International (YUL). It's 969 miles (1,560 km), about 2h 34m in the air. Operated by Air Canada.
Air Canada
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Saint Louis to Montreal with one stop · direct emits 164 kg CO₂ per passenger
Looking for the return flight?
YUL → STL: Flights from Montreal to Saint LouisOther direct flights from Saint Louis
Direct flights from Montreal (YUL)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Montreal?
A nonstop flight from Saint Louis (STL) to Montreal (YUL) takes approximately 2 hours and 34 minutes. The distance is 969 miles (1,560 km).
Which airlines fly nonstop from Saint Louis to Montreal?
Just Air Canada.
Is there a nonstop flight from Saint Louis to Montreal?
Yes. 1 airline: Air Canada.
How far is Saint Louis from Montreal?
The flight distance from Saint Louis to Montreal is 969 miles (1,560 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What is the time difference between Saint Louis and Montreal?
Montreal is 1 hour ahead of Saint Louis. (America/Chicago vs America/Toronto.)
What type of aircraft flies from Saint Louis to Montreal?
At 2h 34m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from USA to Canada?
Depends on your passport. Check with the Canada embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Saint Louis to Montreal?
Roughly 164 kg CO2 per passenger one-way. That's about the same as driving 820 km.
Is the return flight from Montreal to Saint Louis also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Saint Louis to Montreal?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Saint Louis Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.