Travel with Air Canada from Seattle to Toronto (SEA - YTO) from CAD 408*

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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 Toronto - our lowest fares in cash

Sep 2026
FromCAD 679*
One way/Economy
Oct 2026
FromCAD 408*
One way/Economy
Nov 2026
FromCAD 409*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 408
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 1.2K
Displaying fares for September-2026
  • SEA–YYZ, Sep 18, 2026: From CAD 808
    18

    Fr

    SEP

  • SEA–YYZ, Sep 19, 2026: From CAD 808
    19

    Sa

  • SEA–YYZ, Sep 20, 2026: From CAD 997
    20

    Su

  • SEA–YYZ, Sep 21, 2026: From CAD 808
    21

    Mo

  • SEA–YYZ, Sep 22, 2026: From CAD 808
    22

    Tu

  • SEA–YYZ, Sep 23, 2026: From CAD 931
    23

    We

  • SEA–YYZ, Sep 24, 2026: From CAD 1,170
    24

    Th

  • SEA–YYZ, Sep 25, 2026: From CAD 808
    25

    Fr

  • SEA–YYZ, Sep 26, 2026: From CAD 766
    26

    Sa

  • SEA–YYZ, Sep 27, 2026: From CAD 683
    27

    Su

  • SEA–YYZ, Sep 28, 2026: From CAD 683
    28

    Mo

  • SEA–YYZ, Sep 29, 2026: From CAD 683
    29

    Tu

  • SEA–YYZ, Sep 30, 2026: From CAD 679
    30

    We

  • SEA–YYZ, Oct 01, 2026: From CAD 594
    01

    Th

    OCT

  • SEA–YYZ, Oct 02, 2026: From CAD 558
    02

    Fr

  • SEA–YYZ, Oct 03, 2026: From CAD 558
    03

    Sa

  • SEA–YYZ, Oct 04, 2026: From CAD 558
    04

    Su

  • SEA–YYZ, Oct 05, 2026: From CAD 558
    05

    Mo

  • SEA–YYZ, Oct 06, 2026: From CAD 558
    06

    Tu

  • SEA–YYZ, Oct 07, 2026: From CAD 558
    07

    We

  • SEA–YYZ, Oct 08, 2026: From CAD 509
    08

    Th

  • SEA–YYZ, Oct 09, 2026: From CAD 459
    09

    Fr

  • SEA–YYZ, Oct 10, 2026: From CAD 409
    10

    Sa

  • SEA–YYZ, Oct 11, 2026: From CAD 423
    11

    Su

  • SEA–YYZ, Oct 12, 2026: From CAD 459
    12

    Mo

  • SEA–YYZ, Oct 13, 2026: From CAD 409
    13

    Tu

  • SEA–YYZ, Oct 14, 2026: From CAD 409
    14

    We

  • SEA–YYZ, Oct 15, 2026: From CAD 423
    15

    Th

  • SEA–YYZ, Oct 16, 2026: From CAD 423
    16

    Fr

  • SEA–YYZ, Oct 17, 2026: From CAD 408
    17

    Sa

    • RangeCAD 408-CAD 1,170

    *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 Toronto (YTO) | Air Canada

    Flights between Seattle and Toronto - our lowest fares in points

    pts
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    Flights between Seattle and Toronto - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Seattle (SEA)Toronto (YYZ)One-way
    /
    Economy    		 Oct 06, 2026

    From

    12,251 pts
    + CAD 80

    Viewed: 1 day ago

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

    From

    13,991 pts
    + CAD 80

    Viewed: 1 day ago

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

    From

    14,413 pts
    + CAD 80

    Viewed: 1 day ago

    Seattle (SEA)Toronto (YYZ)One-way
    /
    Economy    		 Feb 03, 2027

    From

    14,413 pts
    + CAD 80

    Viewed: 1 day ago

    Seattle (SEA)Toronto (YYZ)One-way
    /
    Economy    		 Dec 17, 2026

    From

    43,817 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 Toronto