Travel with Air Canada from Toronto to Seattle (YTO - SEA) from CAD 393*

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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

Sep 2026
FromCAD 506*
One way/Economy
Oct 2026
FromCAD 393*
One way/Economy
Nov 2026
FromCAD 393*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 393
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 1.2K
Displaying fares for September-2026
  • YYZ–SEA, Sep 16, 2026: From CAD 987
    16

    We

    SEP

  • YYZ–SEA, Sep 17, 2026: From CAD 804
    17

    Th

  • YYZ–SEA, Sep 18, 2026: From CAD 802
    18

    Fr

  • YYZ–SEA, Sep 19, 2026: From CAD 695
    19

    Sa

  • YYZ–SEA, Sep 20, 2026: From CAD 1,158
    20

    Su

  • YYZ–SEA, Sep 21, 2026: From CAD 738
    21

    Mo

  • YYZ–SEA, Sep 22, 2026: From CAD 695
    22

    Tu

  • YYZ–SEA, Sep 23, 2026: From CAD 621
    23

    We

  • YYZ–SEA, Sep 24, 2026: From CAD 621
    24

    Th

  • YYZ–SEA, Sep 25, 2026: From CAD 664
    25

    Fr

  • YYZ–SEA, Sep 26, 2026: From CAD 600
    26

    Sa

  • YYZ–SEA, Sep 27, 2026: From CAD 643
    27

    Su

  • YYZ–SEA, Sep 28, 2026: From CAD 600
    28

    Mo

  • YYZ–SEA, Sep 29, 2026: From CAD 600
    29

    Tu

  • YYZ–SEA, Sep 30, 2026: From CAD 506
    30

    We

  • YYZ–SEA, Oct 01, 2026: From CAD 506
    01

    Th

    OCT

  • YYZ–SEA, Oct 02, 2026: From CAD 506
    02

    Fr

  • YYZ–SEA, Oct 03, 2026: From CAD 506
    03

    Sa

  • YYZ–SEA, Oct 04, 2026: From CAD 559
    04

    Su

  • YYZ–SEA, Oct 05, 2026: From CAD 506
    05

    Mo

  • YYZ–SEA, Oct 06, 2026: From CAD 506
    06

    Tu

  • YYZ–SEA, Oct 07, 2026: From CAD 393
    07

    We

  • YYZ–SEA, Oct 08, 2026: From CAD 600
    08

    Th

  • YYZ–SEA, Oct 09, 2026: From CAD 807
    09

    Fr

  • YYZ–SEA, Oct 10, 2026: From CAD 393
    10

    Sa

  • YYZ–SEA, Oct 11, 2026: From CAD 404
    11

    Su

  • YYZ–SEA, Oct 12, 2026: From CAD 506
    12

    Mo

  • YYZ–SEA, Oct 13, 2026: From CAD 506
    13

    Tu

  • YYZ–SEA, Oct 14, 2026: From CAD 393
    14

    We

  • YYZ–SEA, Oct 15, 2026: From CAD 404
    15

    Th

    • RangeCAD 393-CAD 1,158

    *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 14, 2026

    From

    14,413 pts
    + CAD 171

    Viewed: 6 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Oct 03, 2026

    From

    14,413 pts
    + CAD 171

    Viewed: 3 hours ago

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

    From

    14,413 pts
    + CAD 171

    Viewed: 1 day ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Dec 02, 2026

    From

    14,720 pts
    + CAD 125

    Viewed: 21 hours ago

    Toronto (YYZ)Seattle (SEA)One-way
    /
    Economy    		 Nov 29, 2026

    From

    22,198 pts
    + CAD 168

    Viewed: 20 hours ago

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

    From

    30,354 pts
    + CAD 342

    Viewed: 1 day ago

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

    From

    14,413 pts
    + CAD 171

    Viewed: 1 day ago

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

    From

    28,826 pts
    + CAD 341

    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