Travel with Air Canada from Seattle to Toronto (SEA - YTO) from USD 242*

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

Jul 2026
FromUSD 362*
One way/Economy
Aug 2026
FromUSD 247*
One way/Economy
Sep 2026
FromUSD 242*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 247
cmp-daily-histogram-bars-legend-max-price-aria-label USD 581
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    • RangeUSD 247-USD 581

    *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.

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