Cheap flights from Boston to Mont-Cascades

View AU$269 flight on Sat, 23 Aug. 2025Opens in a new window

Popular airlines from Boston to Mont-Cascades

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Cheap Flights from Boston (BOS) 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
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$565 Return, found 5 hours ago
AU$565
Return
found 5 hours ago
Select United flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$565 found 5 hours ago
United
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$566 Return, found 5 hours ago
AU$566
Return
found 5 hours ago
Select United flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$566 found 5 hours ago
Porter Airlines
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$569 Return, found 5 hours ago
AU$569
Return
found 5 hours ago
Select Porter Airlines flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$569 found 5 hours ago
Porter Airlines
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$570 Return, found 5 hours ago
AU$570
Return
found 5 hours ago
Select Porter Airlines flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$570 found 5 hours ago
Air Canada
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$573 Return, found 5 hours ago
AU$573
Return
found 5 hours ago
Select Air Canada flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$573 found 5 hours ago
United
Mon, 10 Nov. - Thu, 13 Nov.
BOS
Boston
YOW
Ottawa
AU$574 Return, found 5 hours ago
AU$574
Return
found 5 hours ago
Select United flight, departing Mon, 10 Nov. from Boston to Ottawa, returning Thu, 13 Nov., priced at AU$574 found 5 hours ago

Find the cheapest month to fly from Boston (BOS) to Ottawa (YOW)

June is typically the cheapest month to fly

From AU$405 - AU$681 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.