Direct (nonstop) flights from Saint Louis to Toronto
1 airline flys nonstop from Saint Louis Airport (STL) to Pearson International (YYZ). It's 655 miles (1,054 km), about 1h 57m in the air. Operated by Air Canada.
Air Canada
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Saint Louis to Toronto with one stop · direct emits 121 kg CO₂ per passenger
Looking for the return flight?
YYZ → STL: Flights from Toronto to Saint LouisOther direct flights from Saint Louis
Direct flights from Toronto (YYZ)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Toronto?
A nonstop flight from Saint Louis (STL) to Toronto (YYZ) takes approximately 1 hours and 57 minutes. The distance is 655 miles (1,054 km).
Which airlines fly nonstop from Saint Louis to Toronto?
Just Air Canada.
Is there a nonstop flight from Saint Louis to Toronto?
Yes. 1 airline: Air Canada.
How far is Saint Louis from Toronto?
The flight distance from Saint Louis to Toronto is 655 miles (1,054 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What is the time difference between Saint Louis and Toronto?
Toronto is 1 hour ahead of Saint Louis. (America/Chicago vs America/Toronto.)
What type of aircraft flies from Saint Louis to Toronto?
At 1h 57m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. 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 Toronto?
Roughly 121 kg CO2 per passenger one-way. That's about the same as driving 605 km.
Is the return flight from Toronto 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 Toronto?
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.