St Louis to Toronto (STL–YYZ) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
STL–YYZ is served by 2 airlines with nonstop service. Air Canada and Sun Country Airlines lead the route. The flight covers 653 miles in approximately 2h 1m. Beyond nonstop, 78 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AC Air Canada | 7 | E75 | 2h01 | Star Alliance | – | |
| SY Sun Country Airlines | 1 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Toronto from St Louis
| Metric | STL→YYZ | PIA→YYZ |
|---|---|---|
| Distance from STL | – | 137 mi |
| Nonstop airlines | 2 | 1 |
| Weekly flights | 7 | 1 |
| Flight time | 2h 1m | 1h 9m |
| Departure OTP | 67% | – |
Travel Essentials
STL: EDT · YYZ: EDT
When it's 6:00 PM in St Louis, it's 6:00 PM in Toronto.
US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.
UP Express from T1 to Union Station runs every 15 minutes (25 min, CAD $12.35). The station is inside T1; take the LINK train from T3 arrivals first (free, 3 min). Taxis to downtown use a meter; expect CAD $55–75.Ride-hail (Uber, Lyft) picks up at the designated Ground Transportation area; follow signs. TTC buses run to the Kipling and Bloor–Yonge subway stations (CAD $3.30) for a longer but cheaper option. Car rental agencies are at T1 and accessible from T3 via the LINK train.
Humid continental climate. Winters are harsh (−10 to −1°C, December–March) with significant snowfall. Pearson closes runways for plowing and de-icing regularly, causing wave delays. Ice storms (freezing rain) are more disruptive than snowfall and can halt operations for hours. Buffalo-effect lake-effect snow can bring heavy accumulations with little warning.
Summers are warm and humid (22–30°C) with afternoon thunderstorms that delay departures July–August. Spring and fall are pleasant but unpredictable. YYZ connections in winter require significant schedule buffer. It is Canada's most weather-disrupted major hub.
STL–YYZ Quick Facts
Frequently Asked Questions
Flights from STL to YYZ
St. Louis Lambert International Airport (STL) and Toronto Pearson International Airport (YYZ) are connected by nonstop service from Air Canada and Sun Country Airlines. With 7 weekly departures, this is a regularly served route.
STL to YYZ Flight Duration and Schedule
Nonstop flight time from STL to YYZ ranges from 2 hours 1 minutes. The route covers a distance of 653 miles (1,051 km). There are approximately 7 weekly flights outbound and 8 return, totaling 15 flights per week in both directions.
Connecting Options and Alternatives
78 one-stop connections are available, with the fastest taking approximately 3 hours via IND. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Peoria (PIA).