Travel with Air Canada from Seattle to Ottawa, ON (SEA - YOW) from CAD 289*

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 Ottawa, ON - our lowest fares in cash

Mar 2026
FromCAD 655*
One way/Economy
Apr 2026
FromCAD 289*
One way/Economy
May 2026
FromCAD 330*
One way/Economy
CAD 289
CAD 740
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    • RangeCAD 289-CAD 740

    *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 Ottawa, ON (YOW) | Air Canada

    Flights between Seattle and Ottawa, ON - our lowest fares in points

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    *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.

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