Travel with Air Canada from Washington, D.C. to Ottawa, ON (WAS - YOW) from CAD 280*

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

Aug 2026
FromCAD 280*
One way/Economy
Sep 2026
FromCAD 280*
One way/Economy
Oct 2026
FromCAD 280*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 280
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 905
Displaying fares for August-2026
  • IAD–YOW, Aug 08, 2026: From CAD 905
    08

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    AUG

  • IAD–YOW, Aug 09, 2026: From CAD 905
    09

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  • IAD–YOW, Aug 10, 2026: From CAD 742
    10

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  • IAD–YOW, Aug 11, 2026: From CAD 672
    11

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  • IAD–YOW, Aug 12, 2026: From CAD 672
    12

    We

  • DCA–YOW, Aug 13, 2026: From CAD 742
    13

    Th

  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    14

    Fr

  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    15

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  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    16

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  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    17

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  • IAD–YOW, Aug 18, 2026: From CAD 576
    18

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  • IAD–YOW, Aug 19, 2026: From CAD 576
    19

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  • IAD–YOW, Aug 20, 2026: From CAD 576
    20

    Th

  • IAD–YOW, Aug 21, 2026: From CAD 375
    21

    Fr

  • IAD–YOW, Aug 22, 2026: From CAD 388
    22

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  • IAD–YOW, Aug 23, 2026: From CAD 375
    23

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  • IAD–YOW, Aug 24, 2026: From CAD 375
    24

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  • IAD–YOW, Aug 25, 2026: From CAD 375
    25

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  • IAD–YOW, Aug 26, 2026: From CAD 375
    26

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  • IAD–YOW, Aug 27, 2026: From CAD 375
    27

    Th

  • IAD–YOW, Aug 28, 2026: From CAD 280
    28

    Fr

  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    29

    Sa

  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    30

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    31

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  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    01

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    SEP

  • WAS–YOW: cmp-view-offers-disclaimer. Find offers
    02

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  • DCA–YOW, Sep 03, 2026: From CAD 384
    03

    Th

  • DCA–YOW, Sep 04, 2026: From CAD 320
    04

    Fr

  • DCA–YOW, Sep 05, 2026: From CAD 280
    05

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  • DCA–YOW, Sep 06, 2026: From CAD 280
    06

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  • DCA–YOW, Sep 07, 2026: From CAD 280
    07

    Mo

    • RangeCAD 280-CAD 905

    *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 Washington, D.C. (WAS) to Ottawa, ON (YOW) | Air Canada

    Flights between Washington, D.C. and Ottawa, ON - our lowest fares in points

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    Flights between Washington, D.C. and Ottawa, ON - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Washington, D.C. (IAD)Ottawa, ON (YOW)One-way
    /
    Economy    		 Dec 09, 2026

    From

    20,000 pts
    + CAD 160

    Viewed: 1 day ago

    Washington, D.C. (IAD)Ottawa, ON (YOW)One-way
    /
    Economy    		 Dec 10, 2026

    From

    30,000 pts
    + CAD 160

    Viewed: 1 day 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.

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