Travel with Air Canada from St. Louis, MO to Toronto (STL - YTO) from CAD 427*

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*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

Sep 2026
FromCAD 429*
One way/Economy
Oct 2026
FromCAD 427*
One way/Economy
Nov 2026
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  • STL–YYZ, Sep 21, 2026: From CAD 538
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  • STL–YYZ, Oct 02, 2026: From CAD 495
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  • STL–YYZ, Oct 09, 2026: From CAD 431
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  • STL–YYZ, Oct 10, 2026: From CAD 427
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  • STL–YYZ, Oct 11, 2026: From CAD 427
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  • STL–YYZ, Oct 12, 2026: From CAD 427
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    • RangeCAD 427-CAD 620

    *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.

    Book flights from St. Louis, MO (STL) to Toronto (YTO) | Air Canada

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

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    Flights between St. Louis, MO and Toronto - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    St. Louis, MO (STL)Toronto (YYZ)One-way
    /
    Economy    		 Nov 12, 2026

    From

    11,531 pts
    + CAD 79

    Viewed: 1 day ago

    St. Louis, MO (STL)Toronto (YYZ)One-way
    /
    Economy    		 Jan 02, 2027

    From

    11,531 pts
    + CAD 79

    Viewed: 1 day ago

    *Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Explore all routes from St. Louis, MO to Toronto