Travel with Air Canada from Seattle to Montréal (SEA - YUL) from CAD 323*

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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 Seattle and Montréal - our lowest fares in cash

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Aug 2026
No results found for this month.
Sep 2026
FromCAD 334*
One way/Economy
Oct 2026
FromCAD 353*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 334
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 541
Displaying fares for August-2026
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  • SEA–YUL, Sep 10, 2026: From CAD 541
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  • SEA–YUL, Sep 11, 2026: From CAD 496
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  • SEA–YUL, Sep 12, 2026: From CAD 359
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  • SEA–YUL, Sep 13, 2026: From CAD 353
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  • SEA–YUL, Sep 14, 2026: From CAD 389
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  • SEA–YUL, Sep 15, 2026: From CAD 383
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  • SEA–YUL, Sep 16, 2026: From CAD 403
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  • SEA–YUL, Sep 17, 2026: From CAD 389
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  • SEA–YUL, Sep 18, 2026: From CAD 389
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  • SEA–YUL, Sep 19, 2026: From CAD 423
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  • SEA–YUL, Sep 20, 2026: From CAD 456
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  • SEA–YUL, Sep 21, 2026: From CAD 389
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  • SEA–YUL, Sep 22, 2026: From CAD 334
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  • SEA–YUL, Sep 23, 2026: From CAD 359
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  • SEA–YUL, Sep 24, 2026: From CAD 470
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  • SEA–YUL, Sep 25, 2026: From CAD 399
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  • SEA–YUL, Sep 26, 2026: From CAD 334
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  • SEA–YUL, Sep 27, 2026: From CAD 517
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  • SEA–YUL, Sep 28, 2026: From CAD 364
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  • SEA–YUL, Sep 29, 2026: From CAD 334
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    • RangeCAD 334-CAD 541

    *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 Seattle (SEA) to Montréal (YUL) | Air Canada

    Flights between Seattle and Montréal - our lowest fares in points

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    Flights between Seattle and Montréal - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Feb 09, 2027

    From

    12,500 pts
    + CAD 80

    Viewed: 1 day ago

    Seattle (SEA)Montréal (YUL)One-way
    /
    Economy    		 Nov 04, 2026

    From

    12,500 pts
    + CAD 80

    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 Seattle to Montréal