Cheap flights from Chicago to Ottawa - Southeastern Ontario

View AU$276 flight on Tue, 9 Sep. 2025Opens in a new window

Popular airlines from Chicago to Ottawa - Southeastern Ontario

  • Air Canada

    Air Canada

  • United

    United

  • WestJet

    WestJet

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Cheap Flights from Chicago (CHI) to Ottawa - Southeastern Ontario (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.

United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$1,958 Return, found 2 hours ago
AU$1,958
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$1,958 found 2 hours ago
United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$2,031 Return, found 2 hours ago
AU$2,031
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$2,031 found 2 hours ago
United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$2,040 Return, found 2 hours ago
AU$2,040
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$2,040 found 2 hours ago
United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$2,041 Return, found 2 hours ago
AU$2,041
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$2,041 found 2 hours ago
United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$2,078 Return, found 2 hours ago
AU$2,078
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$2,078 found 2 hours ago
United
Mon, 28 Jul. - Wed, 30 Jul.
ORD
Chicago
YOW
Ottawa
AU$2,091 Return, found 2 hours ago
AU$2,091
Return
found 2 hours ago
Select United flight, departing Mon, 28 Jul. from Chicago to Ottawa, returning Wed, 30 Jul., priced at AU$2,091 found 2 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.