Direct (nonstop) flights from Montreal to Saint Louis
1 airline flys nonstop from Pierre Elliott Trudeau International (YUL) to Saint Louis Airport (STL). It's 969 miles (1,560 km), about 2h 47m in the air. Operated by Air Canada.
Air Canada
Route data last updated: May 30, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Montreal to Saint Louis with one stop · direct emits 164 kg CO₂ per passenger
Looking for the return flight?
STL → YUL: Flights from Saint Louis to MontrealOther direct flights from Montreal
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Montreal to Saint Louis?
A nonstop flight from Montreal (YUL) to Saint Louis (STL) takes approximately 2 hours and 47 minutes. The distance is 969 miles (1,560 km).
Which airlines fly nonstop from Montreal to Saint Louis?
Just Air Canada.
Is there a nonstop flight from Montreal to Saint Louis?
Yes. 1 airline: Air Canada.
How far is Montreal from Saint Louis?
The flight distance from Montreal to Saint Louis 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 Montreal and Saint Louis?
Saint Louis is 1 hour behind Montreal. (America/Toronto vs America/Chicago.)
What type of aircraft flies from Montreal to Saint Louis?
At 2h 47m, 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 Canada to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Montreal to Saint Louis?
Roughly 164 kg CO2 per passenger one-way. That's about the same as driving 820 km.
Is the return flight from Saint Louis to Montreal 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 Montreal to Saint Louis?
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 Pierre Elliott Trudeau International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.