Travel with Air Canada from St. Louis, MO to Toronto (STL - YTO) from USD 279*

Promotion code

*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Flights between St. Louis, MO and Toronto - our lowest fares in cash

Mar 2026
FromUSD 441*
One way/Economy
Apr 2026
FromUSD 279*
One way/Economy
May 2026
FromUSD 279*
One way/Economy
USD 279
USD 960
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    • RangeUSD 279-USD 960

    *Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

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