Cheap flights from Austin to Mont-Cascades from CA $388

View CA $388 flight on Thu, Oct. 23, 2025Opens in a new window

Popular airlines from Austin to Mont-Cascades

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Cheap flights from Austin (AUS) to Mont-Cascades (YOW)

Prices were available within the past 7 days and start at CA $388 for one-way flights and CA $813 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Sep. 18 - Thu, Sep. 25
AUS
Austin
YOW
Ottawa
CA $813 Roundtrip, found 12 hours ago
CA $813
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Thu, Sep. 18 from Austin to Ottawa, returning Thu, Sep. 25, priced at CA $813 found 12 hours ago
WestJet
Thu, Sep. 18 - Thu, Sep. 25
AUS
Austin
YOW
Ottawa
CA $844 Roundtrip, found 12 hours ago
CA $844
Roundtrip
found 12 hours ago
Select WestJet flight, departing Thu, Sep. 18 from Austin to Ottawa, returning Thu, Sep. 25, priced at CA $844 found 12 hours ago
WestJet
Thu, Sep. 18 - Thu, Sep. 25
AUS
Austin
YOW
Ottawa
CA $846 Roundtrip, found 12 hours ago
CA $846
Roundtrip
found 12 hours ago
Select WestJet flight, departing Thu, Sep. 18 from Austin to Ottawa, returning Thu, Sep. 25, priced at CA $846 found 12 hours ago
United
Thu, Sep. 18 - Thu, Sep. 25
AUS
Austin
YOW
Ottawa
CA $858 Roundtrip, found 12 hours ago
CA $858
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Sep. 18 from Austin to Ottawa, returning Thu, Sep. 25, priced at CA $858 found 12 hours ago
Alaska Airlines
Thu, Aug. 21 - Thu, Aug. 28
AUS
Austin
YOW
Ottawa
CA $938 Roundtrip, found 15 hours ago
CA $938
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Thu, Aug. 21 from Austin to Ottawa, returning Thu, Aug. 28, priced at CA $938 found 15 hours ago
Delta
Sat, Sep. 20 - Fri, Sep. 26
AUS
Austin
YOW
Ottawa
CA $940 Roundtrip, found 12 hours ago
CA $940
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Sep. 20 from Austin to Ottawa, returning Fri, Sep. 26, priced at CA $940 found 12 hours ago

Find the cheapest month to fly from Austin (AUS) to Ottawa (YOW)

September is typically the cheapest month to fly

From CA $733 - CA $1,549 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.