Cheap flights from Chicago to Ottawa Valley

View AU$113 flight on Sat, 11 Oct. 2025Opens in a new window

Popular airlines from Chicago to Ottawa Valley

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Chicago (CHI) to Ottawa Valley (YOW)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 17 Oct. - Mon, 20 Oct.
ORD
Chicago
YUL
Montreal
AU$307 Return, found 3 hours ago
AU$307
Return
found 3 hours ago
Select Air Canada flight, departing Fri, 17 Oct. from Chicago to Montreal, returning Mon, 20 Oct., priced at AU$307 found 3 hours ago
Air Canada
Mon, 8 Sep. - Mon, 15 Sep.
ORD
Chicago
YUL
Montreal
AU$308 Return, found 2 days ago
AU$308
Return
found 2 days ago
Select Air Canada flight, departing Mon, 8 Sep. from Chicago to Montreal, returning Mon, 15 Sep., priced at AU$308 found 2 days ago
Porter Airlines
Fri, 10 Oct. - Mon, 13 Oct.
MDW
Chicago
YUL
Montreal
AU$325 Return, found 3 hours ago
AU$325
Return
found 3 hours ago
Select Porter Airlines flight, departing Fri, 10 Oct. from Chicago to Montreal, returning Mon, 13 Oct., priced at AU$325 found 3 hours ago
American Airlines
Wed, 27 Aug. - Wed, 3 Sep.
ORD
Chicago
YUL
Montreal
AU$328 Return, found 13 hours ago
AU$328
Return
found 13 hours ago
Select American Airlines flight, departing Wed, 27 Aug. from Chicago to Montreal, returning Wed, 3 Sep., priced at AU$328 found 13 hours ago
Delta
Sat, 11 Oct. - Mon, 13 Oct.
MDW
Chicago
YUL
Montreal
AU$330 Return, found 3 hours ago
AU$330
Return
found 3 hours ago
Select Delta flight, departing Sat, 11 Oct. from Chicago to Montreal, returning Mon, 13 Oct., priced at AU$330 found 3 hours ago
United
Sat, 11 Oct. - Mon, 13 Oct.
ORD
Chicago
YUL
Montreal
AU$510 Return, found 3 hours ago
AU$510
Return
found 3 hours ago
Select United flight, departing Sat, 11 Oct. from Chicago to Montreal, returning Mon, 13 Oct., priced at AU$510 found 3 hours ago

Find the cheapest month to fly from Chicago (CHI) to Ottawa (YOW)

June is typically the cheapest month to fly

From AU$415 - AU$963 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.