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Results refresh when you open or revisit this page. Last snapshot: Jul 16, 2026.

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Cheapest one-way flights from Denver (DEN) to Calgary (YYC), September

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Dates, airline, and price
Dates	Airline	Price
17 Sep	WestJet Direct Flight
28 Sep	Delta
18 Sep	WestJet Direct Flight
05 Sep	Delta
10 Sep	Frontier Airlines
03 Sep	Air Canada
28 Sep	WestJet Direct Flight
03 Sep	WestJet Direct Flight
10 Sep	WestJet Direct Flight
05 Sep	United Direct Flight

deals for return flights from Denver to Calgary in September.

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Updated Jul 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Denver (DEN) to Calgary (YYC), September

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