Earn point on your loyalty program!arrow arc left

Cheap flights from St Louis (STL) to Toronto (YTO)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from St Louis (STL) to Toronto (YTO)

How to find the cheapest flight from St Louis (STL) to Toronto (YTO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Toronto (YTO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Toronto (YTO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from St Louis to Toronto in August , September 2026

30 Aug - 18 Sep $ 642.00
STL
St Louis
Air Canada
1 STOPS
YTO
Toronto
YTO
Toronto
Air Canada
DIRECT
STL
St Louis
Pick dates
26 Aug - 02 Sep $ 653.00
STL
St Louis
WestJet
1 STOPS
YTO
Toronto
YTO
Toronto
WestJet
1 STOPS
STL
St Louis
Pick dates
26 Aug - 10 Sep $ 987.00
STL
St Louis
Air Canada
DIRECT
YTO
Toronto
YTO
Toronto
Air Canada
DIRECT
STL
St Louis
Pick dates

Last minute flights from St Louis to Toronto

30 Aug - 31 Aug $ 619.00
STL
St Louis
WestJet
1 STOPS
YTO
Toronto
YTO
Toronto
WestJet
1 STOPS
STL
St Louis
Pick dates
26 Aug - 31 Aug $ 653.00
STL
St Louis
WestJet
1 STOPS
YTO
Toronto
YTO
Toronto
WestJet
1 STOPS
STL
St Louis
Pick dates
26 Aug - 31 Aug $ 1,116.00
STL
St Louis
Air Canada
DIRECT
YTO
Toronto
YTO
Toronto
Air Canada
DIRECT
STL
St Louis
Pick dates

One-way flights to Toronto from St Louis

8:48 AM - 3:21 PM
WestJet
1 Stops
8h 46m
STL - YTO
$ 314
Kiwi
Pick dates
6:20 AM - 8:29 AM
WestJet
1 Stops
4h 15m
STL - YTO
$ 375
Kiwi
Pick dates
2:40 PM - 2:40 PM
United Airlines
0 Stops
1h 57m
STL - YTO
$ 629
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Toronto (YTO)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Toronto (YTO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Toronto (YTO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.