Travel with Air Canada from St. Louis, MO to Toronto (STL - YTO) from CAD 575*

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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

Oct 2026
FromCAD 575*
One way/Economy
Nov 2026
FromCAD 575*
One way/Economy
Dec 2026
FromCAD 603*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 575
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 1.4K
Displaying fares for October-2026
  • STL–YYZ, Oct 06, 2026: From CAD 1,385
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  • STL–YYZ, Oct 07, 2026: From CAD 1,385
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  • STL–YYZ, Oct 08, 2026: From CAD 1,249
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  • STL–YYZ, Oct 09, 2026: From CAD 1,249
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  • STL–YYZ, Oct 10, 2026: From CAD 1,249
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  • STL–YYZ, Oct 11, 2026: From CAD 1,249
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  • STL–YYZ, Oct 12, 2026: From CAD 1,038
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  • STL–YYZ, Oct 13, 2026: From CAD 1,038
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  • STL–YYZ, Oct 14, 2026: From CAD 1,009
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  • STL–YYZ, Oct 15, 2026: From CAD 846
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  • STL–YYZ, Oct 16, 2026: From CAD 846
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  • STL–YYZ, Oct 17, 2026: From CAD 846
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  • STL–YYZ, Oct 18, 2026: From CAD 846
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  • STL–YYZ, Oct 19, 2026: From CAD 774
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  • STL–YYZ, Oct 20, 2026: From CAD 774
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  • STL–YYZ, Oct 21, 2026: From CAD 774
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  • STL–YYZ, Oct 22, 2026: From CAD 774
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  • STL–YTO: cmp-view-offers-disclaimer. Find offers
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  • STL–YTO: cmp-view-offers-disclaimer. Find offers
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  • STL–YYZ, Oct 30, 2026: From CAD 575
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  • STL–YYZ, Oct 31, 2026: From CAD 575
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  • STL–YTO: cmp-view-offers-disclaimer. Find offers
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    NOV

  • STL–YYZ, Nov 02, 2026: From CAD 575
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  • STL–YYZ, Nov 03, 2026: From CAD 575
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  • STL–YYZ, Nov 04, 2026: From CAD 575
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  • STL–YYZ, Nov 05, 2026: From CAD 575
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    • RangeCAD 575-CAD 1,385

    *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    		 Oct 30, 2026

    From

    11,531 pts
    + CAD 81

    Viewed: 23 hours ago

    St. Louis, MO (STL)Toronto (YYZ)One-way
    /
    Economy    		 May 08, 2027

    From

    11,531 pts
    + CAD 85

    Viewed: 16 hours 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.

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