Travel with Air Canada from St. Louis, MO to Toronto (STL - YTO) from USD 234*

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

May 2026
FromUSD 342*
One way/Economy
Jun 2026
FromUSD 247*
One way/Economy
Jul 2026
FromUSD 258*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 247
cmp-daily-histogram-bars-legend-max-price-aria-label USD 859
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    • RangeUSD 247-USD 859

    *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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