Cheap flights from Baltimore to Mont-Cascades

View AU$261 flight on Sat, 23 Aug. 2025Opens in a new window

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Cheap Flights from Baltimore (WAS) to Mont-Cascades (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
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$609 Return, found 4 days ago
AU$609
Return
found 4 days ago
Select United flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$609 found 4 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$638 Return, found 4 days ago
AU$638
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$638 found 4 days ago
United
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$647 Return, found 4 days ago
AU$647
Return
found 4 days ago
Select United flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$647 found 4 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$649 Return, found 4 days ago
AU$649
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$649 found 4 days ago
Air Canada
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$666 Return, found 4 days ago
AU$666
Return
found 4 days ago
Select Air Canada flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$666 found 4 days ago
United
Sun, 31 Aug. - Sun, 7 Sep.
DCA
Washington
YOW
Ottawa
AU$668 Return, found 4 days ago
AU$668
Return
found 4 days ago
Select United flight, departing Sun, 31 Aug. from Washington to Ottawa, returning Sun, 7 Sep., priced at AU$668 found 4 days ago

Find the cheapest month to fly from Baltimore (BWI) to Ottawa (YOW)

May is typically the cheapest month to fly

From AU$652 - AU$1,704 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.