Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 226*

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 Montréal - our lowest fares in cash

Apr 2026
FromUSD 920*
One way/Economy
May 2026
FromUSD 226*
One way/Economy
Jun 2026
FromUSD 226*
One way/Economy
USD 226
USD 920
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    • RangeUSD 226-USD 920

    *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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