Cheapest return flights from St. Louis (STL) to Toronto (YYZ), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
24 Aug 31 Aug Frontier Airlines
05 Aug 12 Aug Southern Airways Express
26 Aug 31 Aug Southern Airways Express
10 Aug 18 Aug Frontier Airlines
10 Aug 14 Aug Frontier Airlines
07 Aug 10 Aug Frontier Airlines
24 Aug 31 Aug Air Canada
Direct Flight
11 Aug 14 Aug Frontier Airlines
11 Aug 15 Aug Frontier Airlines
05 Aug 12 Aug Air Canada
Direct Flight
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deals for one-way flights from St. Louis to Toronto in August.

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Updated Jul 12, 2026.

About these fares

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