Travel with Air Canada from St. Louis, MO to Montréal (STL - YUL) from USD 333*

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

Jul 2026
FromUSD 551*
One way/Economy
Aug 2026
FromUSD 333*
One way/Economy
Sep 2026
FromUSD 333*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 333
cmp-daily-histogram-bars-legend-max-price-aria-label USD 975
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    • RangeUSD 333-USD 975

    *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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