Travel with Air Canada from Seattle to Montréal (SEA - YUL) from USD 262*

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 Montréal - our lowest fares in cash

May 2026
FromUSD 397*
One way/Economy
Jun 2026
FromUSD 279*
One way/Economy
Jul 2026
FromUSD 303*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 279
cmp-daily-histogram-bars-legend-max-price-aria-label USD 856
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    • RangeUSD 279-USD 856

    *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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