Travel with Air Canada from Toronto to Seattle (YTO - SEA) from CAD 464*

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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

Oct 2026
FromCAD 464*
One way/Economy
Nov 2026
FromCAD 464*
One way/Economy
Dec 2026
FromCAD 464*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 464
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 978
Displaying fares for October-2026
  • YYZ–SEA, Oct 06, 2026: From CAD 822
    06

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    OCT

  • YYZ–SEA, Oct 07, 2026: From CAD 765
    07

    We

  • YYZ–SEA, Oct 08, 2026: From CAD 895
    08

    Th

  • YYZ–SEA, Oct 09, 2026: From CAD 978
    09

    Fr

  • YYZ–SEA, Oct 10, 2026: From CAD 765
    10

    Sa

  • YYZ–SEA, Oct 11, 2026: From CAD 765
    11

    Su

  • YYZ–SEA, Oct 12, 2026: From CAD 945
    12

    Mo

  • YYZ–SEA, Oct 13, 2026: From CAD 692
    13

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  • YYZ–SEA, Oct 14, 2026: From CAD 692
    14

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  • YYZ–SEA, Oct 15, 2026: From CAD 692
    15

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  • YYZ–SEA, Oct 16, 2026: From CAD 671
    16

    Fr

  • YYZ–SEA, Oct 17, 2026: From CAD 671
    17

    Sa

  • YYZ–SEA, Oct 18, 2026: From CAD 696
    18

    Su

  • YYZ–SEA, Oct 19, 2026: From CAD 671
    19

    Mo

  • YYZ–SEA, Oct 20, 2026: From CAD 576
    20

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  • YYZ–SEA, Oct 21, 2026: From CAD 576
    21

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  • YYZ–SEA, Oct 22, 2026: From CAD 576
    22

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  • YYZ–SEA, Oct 23, 2026: From CAD 576
    23

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  • YYZ–SEA, Oct 24, 2026: From CAD 576
    24

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  • YYZ–SEA, Oct 25, 2026: From CAD 833
    25

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  • YYZ–SEA, Oct 26, 2026: From CAD 619
    26

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  • YYZ–SEA, Oct 27, 2026: From CAD 464
    27

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  • YYZ–SEA, Oct 28, 2026: From CAD 464
    28

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  • YYZ–SEA, Oct 29, 2026: From CAD 474
    29

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  • YYZ–SEA, Oct 30, 2026: From CAD 474
    30

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  • YYZ–SEA, Oct 31, 2026: From CAD 464
    31

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  • YYZ–SEA, Nov 01, 2026: From CAD 474
    01

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    NOV

  • YYZ–SEA, Nov 02, 2026: From CAD 474
    02

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  • YYZ–SEA, Nov 03, 2026: From CAD 464
    03

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  • YYZ–SEA, Nov 04, 2026: From CAD 464
    04

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  • YYZ–SEA, Nov 05, 2026: From CAD 474
    05

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    • RangeCAD 464-CAD 978

    *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

    pts
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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    		 Oct 20, 2026

    From

    14,413 pts
    + CAD 174

    Viewed: 5 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Nov 25, 2026

    From

    14,413 pts
    + CAD 174

    Viewed: 8 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Feb 24, 2027

    From

    14,413 pts
    + CAD 174

    Viewed: 12 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Oct 13, 2026

    From

    14,413 pts
    + CAD 174

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Oct 12, 2026

    From

    17,994 pts
    + CAD 174

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Dec 13, 2026

    From

    43,239 pts
    + CAD 520

    Viewed: 1 day ago

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

    From

    43,239 pts
    + CAD 520

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Dec 12, 2026

    From

    43,239 pts
    + CAD 520

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Dec 15, 2026

    From

    43,239 pts
    + CAD 520

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Dec 27, 2026

    From

    46,350 pts
    + CAD 127

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 May 17, 2027

    From

    74,722 pts
    + CAD 253

    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