Travel with Air Canada from Seattle to Ottawa, ON (SEA - YOW) from CAD 473*

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*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

Oct 2026
FromCAD 533*
One way/Economy
Nov 2026
FromCAD 473*
One way/Economy
Dec 2026
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cmp-daily-histogram-bars-legend-min-price-aria-label CAD 473
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 938
Displaying fares for October-2026
  • SEA–YOW: cmp-view-offers-disclaimer. Find offers
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  • SEA–YOW, Oct 09, 2026: From CAD 938
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  • SEA–YOW, Oct 10, 2026: From CAD 938
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  • SEA–YOW, Oct 11, 2026: From CAD 938
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  • SEA–YOW, Oct 12, 2026: From CAD 803
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  • SEA–YOW, Oct 13, 2026: From CAD 814
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  • SEA–YOW, Oct 14, 2026: From CAD 803
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  • SEA–YOW, Oct 15, 2026: From CAD 803
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  • SEA–YOW, Oct 16, 2026: From CAD 803
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  • SEA–YOW, Oct 17, 2026: From CAD 803
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  • SEA–YOW, Oct 18, 2026: From CAD 803
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  • SEA–YOW, Oct 19, 2026: From CAD 696
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  • SEA–YOW, Oct 27, 2026: From CAD 533
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  • SEA–YOW, Oct 28, 2026: From CAD 533
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  • SEA–YOW, Oct 29, 2026: From CAD 558
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  • SEA–YOW, Oct 30, 2026: From CAD 533
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  • SEA–YOW, Oct 31, 2026: From CAD 558
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  • SEA–YOW: cmp-view-offers-disclaimer. Find offers
    01

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    NOV

  • SEA–YOW, Nov 02, 2026: From CAD 533
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  • SEA–YOW, Nov 03, 2026: From CAD 473
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  • SEA–YOW, Nov 04, 2026: From CAD 498
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  • SEA–YOW, Nov 05, 2026: From CAD 473
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    • RangeCAD 473-CAD 938

    *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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    Flights between Seattle and Ottawa, ON - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Seattle (SEA)Ottawa, ON (YOW)One-way
    /
    Economy    		 Oct 14, 2026

    From

    37,692 pts
    + CAD 53

    Viewed: 1 day ago

    Seattle (SEA)Ottawa, ON (YOW)One-way
    /
    Economy    		 Nov 14, 2026

    From

    14,413 pts
    + CAD 124

    Viewed: 23 hours ago

    Seattle (SEA)Ottawa, ON (YOW)One-way
    /
    Economy    		 Nov 13, 2026

    From

    15,920 pts
    + CAD 92

    Viewed: 23 hours ago

    Seattle (SEA)Ottawa, ON (YOW)One-way
    /
    Economy    		 Nov 15, 2026

    From

    24,071 pts
    + CAD 85

    Viewed: 23 hours ago

    *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.

    Explore all routes from Seattle to Ottawa, ON