Travel with Air Canada from Washington, D.C. to Ottawa, ON (WAS - YOW) from CAD 197*

*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 Washington, D.C. and Ottawa, ON - our lowest fares in cash

Jul 2025
FromCAD 216*
One way/Economy
Aug 2025
FromCAD 216*
One way/Economy
Sep 2025
FromCAD 197*
One way/Economy
CAD 216
CAD 587
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    • RangeCAD 216-CAD 587

    *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.

    Explore all routes from Washington, D.C. to Ottawa, ON