Alaska Airlines Flights from Seattle to Toronto

Lowest fares from Seattle to Toronto

Jul 2026
From$312*
Seen: 16 hours ago
Flight Type One Way|Saver
Aug 2026
From$262*
Seen: 16 hours ago
Flight Type One Way|Saver
Sep 2026
From$236*
Seen: 16 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $262
cmp-daily-histogram-bars-legend-max-price-aria-label $545
Displaying fares for July-2026
  • 14

    Tu

    JUL

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 31

    Fr

  • 01

    Sa

    AUG

  • 02

    Su

  • 03

    Mo

  • 04

    Tu

  • 05

    We

  • 06

    Th

  • 07

    Fr

  • 08

    Sa

  • 09

    Su

  • 10

    Mo

  • 11

    Tu

  • 12

    We

  • 13

    Th

    • Range$262-$545

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Seattle to Toronto.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Toronto.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Nov 28, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Dec 7, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Dec 11, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Oct 21, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Nov 1, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Nov 4, 2026

    From

    $204

    Seen: 16 hours ago

    Seattle (SEA)Toronto (YYZ)One-way
    |
    Saver    		Depart: Nov 24, 2026

    From

    $204

    Seen: 16 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Explore Alaska Airlines's Flights to Top-Pick Destinations