Travel with Air Canada from Ottawa, ON to Chicago (YOW - ORD) from CAD 499*

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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 Ottawa, ON and Chicago - our lowest fares in cash

Sep 2026
FromCAD 542*
One way/Economy
Oct 2026
FromCAD 499*
One way/Economy
Nov 2026
FromCAD 538*
One way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label CAD 499
cmp-daily-histogram-bars-legend-max-price-aria-label CAD 921
Displaying fares for September-2026
  • YOW–ORD, Sep 15, 2026: From CAD 921
    15

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    SEP

  • YOW–ORD, Sep 16, 2026: From CAD 883
    16

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  • YOW–ORD, Sep 17, 2026: From CAD 913
    17

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  • YOW–ORD, Sep 18, 2026: From CAD 824
    18

    Fr

  • YOW–ORD, Sep 19, 2026: From CAD 799
    19

    Sa

  • YOW–ORD, Sep 20, 2026: From CAD 824
    20

    Su

  • YOW–ORD, Sep 21, 2026: From CAD 824
    21

    Mo

  • YOW–ORD, Sep 22, 2026: From CAD 703
    22

    Tu

  • YOW–ORD, Sep 23, 2026: From CAD 693
    23

    We

  • YOW–ORD, Sep 24, 2026: From CAD 689
    24

    Th

  • YOW–ORD, Sep 25, 2026: From CAD 672
    25

    Fr

  • YOW–ORD, Sep 26, 2026: From CAD 658
    26

    Sa

  • YOW–ORD, Sep 27, 2026: From CAD 735
    27

    Su

  • YOW–ORD, Sep 28, 2026: From CAD 735
    28

    Mo

  • YOW–ORD, Sep 29, 2026: From CAD 542
    29

    Tu

  • YOW–ORD, Sep 30, 2026: From CAD 542
    30

    We

  • YOW–ORD, Oct 01, 2026: From CAD 542
    01

    Th

    OCT

  • YOW–ORD, Oct 02, 2026: From CAD 542
    02

    Fr

  • YOW–ORD, Oct 03, 2026: From CAD 542
    03

    Sa

  • YOW–ORD, Oct 04, 2026: From CAD 542
    04

    Su

  • YOW–ORD, Oct 05, 2026: From CAD 542
    05

    Mo

  • YOW–ORD, Oct 06, 2026: From CAD 499
    06

    Tu

  • YOW–ORD, Oct 07, 2026: From CAD 499
    07

    We

  • YOW–ORD, Oct 08, 2026: From CAD 608
    08

    Th

  • YOW–ORD, Oct 09, 2026: From CAD 615
    09

    Fr

  • YOW–ORD, Oct 10, 2026: From CAD 532
    10

    Sa

  • YOW–ORD, Oct 11, 2026: From CAD 499
    11

    Su

  • YOW–ORD, Oct 12, 2026: From CAD 542
    12

    Mo

  • YOW–ORD, Oct 13, 2026: From CAD 499
    13

    Tu

  • YOW–ORD, Oct 14, 2026: From CAD 499
    14

    We

    • RangeCAD 499-CAD 921

    *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 Ottawa, ON (YOW) to Chicago (ORD) | Air Canada

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

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    Flights between Ottawa, ON and Chicago - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Ottawa, ON (YOW)Chicago (ORD)One-way
    /
    Economy    		 Dec 12, 2026

    From

    11,531 pts
    + CAD 171

    Viewed: 1 hour ago

    Ottawa, ON (YOW)Chicago (ORD)One-way
    /
    Economy    		 Sep 28, 2026

    From

    11,531 pts
    + CAD 225

    Viewed: 17 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 Ottawa, ON to Chicago