Travel with Air Canada from Toronto to Seattle (YTO - SEA) from CAD 342*

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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 Toronto and Seattle - our lowest fares in cash

Jul 2026
FromCAD 548*
One way/Economy
Aug 2026
FromCAD 342*
One way/Economy
Sep 2026
FromCAD 342*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 350
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 1.1K
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    • RangeCAD 350-CAD 1,129

    *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 Toronto (YTO) to Seattle (SEA) | Air Canada

    Flights between Toronto and Seattle - our lowest fares in points

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    Flights between Toronto and Seattle - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 16, 2026

    From

    12,500 pts
    + CAD 172

    Viewed: 10 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 11, 2026

    From

    12,500 pts
    + CAD 172

    Viewed: 1 hour ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Apr 16, 2027

    From

    12,500 pts
    + CAD 172

    Viewed: 55 minutes ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 18, 2026

    From

    12,500 pts
    + CAD 172

    Viewed: 59 minutes ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Aug 22, 2026

    From

    12,500 pts
    + CAD 173

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Aug 23, 2026

    From

    18,400 pts
    + CAD 173

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Oct 18, 2026

    From

    12,500 pts
    + CAD 172

    Viewed: 19 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Aug 08, 2026

    From

    14,300 pts
    + CAD 172

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 07, 2026

    From

    14,300 pts
    + CAD 172

    Viewed: 23 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Aug 06, 2026

    From

    20,300 pts
    + CAD 172

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Aug 07, 2026

    From

    24,300 pts
    + CAD 172

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 20, 2026

    From

    25,000 pts
    + CAD 344

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 21, 2026

    From

    25,000 pts
    + CAD 344

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Sep 19, 2026

    From

    25,000 pts
    + CAD 344

    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 Toronto to Seattle