Flights from Ottawa to Chicago starting from CAD316*

Promo Code

fc-booking-disclaimer

Lowest fares from Ottawa to Chicago 

May 2026
FromCAD390*
Seen: 1 hour ago
Flight Type One Way/Economy
Jun 2026
FromCAD316*
Seen: 11 hours ago
Flight Type One Way/Economy
Jul 2026
No fares searched this month
cmp-daily-histogram-bars-legend-min-price-aria-label CAD326
cmp-daily-histogram-bars-legend-max-price-aria-label CAD661
Displaying fares for May-2026
  • 10

    Sun

    MAY

  • 11

    Mon

  • 12

    Tue

  • 13

    Wed

  • 14

    Thu

  • 15

    Fri

  • 16

    Sat

  • 17

    Sun

  • 18

    Mon

  • 19

    Tue

  • 20

    Wed

  • 21

    Thu

  • 22

    Fri

  • 23

    Sat

  • 24

    Sun

  • 25

    Mon

  • 26

    Tue

  • 27

    Wed

  • 28

    Thu

  • 29

    Fri

  • 30

    Sat

  • 31

    Sun

  • 01

    Mon

    JUN

  • 02

    Tue

  • 03

    Wed

  • 04

    Thu

  • 05

    Fri

  • 06

    Sat

  • 07

    Sun

  • 08

    Mon

  • 09

    Tue

    • RangeCAD326-CAD661

    *Fares displayed have been collected within the last 48hrs 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.

    Flights from Ottawa to Chicago

    Great deals from Ottawa to Chicago

    CAD
    FromToDatesFare TypePrice

    Ottawa (YOW)

    Chicago (MDW)

    Jun 11, 2026

    		One-way fare/Economy

    *Fares displayed have been collected within the last 48hrs 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.

    Related Links

    URL Parameter Context to Context - Mary

    CAD

    Ottawa (YOW)to

    Chicago (MDW)
    Depart Jun 22, 2026
    Starting from
    CAD316
    Seen: 11 hours ago
    One-way fare
    Economy

    URL Parameter Context to Context - Mary

    URL Parameter All to All - Mary

    URL Parameter All to All - Mary
    From
    To
    Fare Type
    Dates
    Price
    Toronto (YYZ)Vancouver (YVR)One-way fare
    /
    Economy    		Depart Jul 01, 2026

    Starting from

    CAD201

    Seen: 2 minutes ago

    Toronto (YYZ)Calgary (YYC)One-way fare
    /
    Economy    		Depart Sep 08, 2026

    Starting from

    CAD173

    Seen: 1 hour ago

    Toronto (YTO)Vancouver (YVR)One-way fare
    /
    Economy    		Depart Jul 09, 2026

    Starting from

    CAD189

    Seen: 1 minute ago

    Toronto (YTO)Halifax (YHZ)One-way fare
    /
    Economy    		Depart Sep 29, 2026

    Starting from

    CAD98

    Seen: 39 minutes ago

    Vancouver (YVR)Toronto (YYZ)One-way fare
    /
    Economy    		Depart Jul 09, 2026

    Starting from

    CAD182

    Seen: 34 minutes ago

    Toronto (YYZ)Halifax (YHZ)One-way fare
    /
    Economy    		Depart Jun 12, 2026

    Starting from

    CAD124

    Seen: 10 minutes ago

    Ottawa (YOW)Halifax (YHZ)One-way fare
    /
    Economy    		Depart Jun 02, 2026

    Starting from

    CAD219

    Seen: 6 minutes ago

    Toronto (YTO)Calgary (YYC)One-way fare
    /
    Economy    		Depart Jul 07, 2026

    Starting from

    CAD162

    Seen: 56 minutes ago

    Ottawa (YOW)Vancouver (YVR)One-way fare
    /
    Economy    		Depart Jun 11, 2026

    Starting from

    CAD236

    Seen: 3 minutes ago

    Toronto (YYZ)Las Vegas (LAS)One-way fare
    /
    Economy    		Depart Nov 15, 2026

    Starting from

    CAD232

    Seen: 11 hours ago

    Vancouver (YVR)Toronto (YTO)One-way fare
    /
    Economy    		Depart Jul 12, 2026

    Starting from

    CAD127

    Seen: 1 hour ago

    Ottawa (YOW)Calgary (YYC)One-way fare
    /
    Economy    		Depart Jun 10, 2026

    Starting from

    CAD155

    Seen: 1 hour ago

    Toronto (YYZ)Edmonton (YEG)One-way fare
    /
    Economy    		Depart Jun 12, 2026

    Starting from

    CAD204

    Seen: 25 minutes ago

    Hamilton, CA (YHM)Halifax (YHZ)One-way fare
    /
    Economy    		Depart Jun 17, 2026

    Starting from

    CAD112

    Seen: 48 minutes ago

    Edmonton (YEG)Toronto (YYZ)One-way fare
    /
    Economy    		Depart Jun 17, 2026

    Starting from

    CAD196

    Seen: 1 hour ago

    Halifax (YHZ)Toronto (YTO)One-way fare
    /
    Economy    		Depart Sep 21, 2026

    Starting from

    CAD105

    Seen: 39 minutes ago

    Hamilton, CA (YHM)Vancouver (YVR)One-way fare
    /
    Economy    		Depart Jul 08, 2026

    Starting from

    CAD190

    Seen: 35 minutes ago

    Calgary (YYC)Toronto (YYZ)One-way fare
    /
    Economy    		Depart Jul 01, 2026

    Starting from

    CAD170

    Seen: 15 minutes ago

    Halifax (YHZ)Ottawa (YOW)One-way fare
    /
    Economy    		Depart May 30, 2026

    Starting from

    CAD215

    Seen: 1 hour ago

    Halifax (YHZ)Toronto (YYZ)One-way fare
    /
    Economy    		Depart Jun 15, 2026

    Starting from

    CAD118

    Seen: 31 minutes ago

    URL Parameter All to All - Mary

    Explore Porter Airlines's Top-Pick Destinations