Travel with Air Canada from Seattle to Toronto (SEA - YTO) from USD 231*

Promotion code

*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

Jun 2026
FromUSD 241*
One way/Economy
Jul 2026
FromUSD 236*
One way/Economy
Aug 2026
FromUSD 236*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 241
cmp-daily-histogram-bars-legend-max-price-aria-label USD 604
Displaying fares for June-2026
  • 06

    Sa

    JUN

  • 07

    Su

  • 08

    Mo

  • 09

    Tu

  • 10

    We

  • 11

    Th

  • 12

    Fr

  • 13

    Sa

  • 14

    Su

  • 15

    Mo

  • 16

    Tu

  • 17

    We

  • 18

    Th

  • 19

    Fr

  • 20

    Sa

  • 21

    Su

  • 22

    Mo

  • 23

    Tu

  • 24

    We

  • 25

    Th

  • 26

    Fr

  • 27

    Sa

  • 28

    Su

  • 29

    Mo

  • 30

    Tu

  • 01

    We

    JUL

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

    • RangeUSD 241-USD 604

    *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

    Explore all routes from Seattle to Toronto