Cheapest one-way flights from Washington to Calgary in August from $82

AirHint found the following cheapest one-way flights from Washington (IAD) to Calgary (YYC) in August 2025 (see full year).

One-Way flights

25 Aug WestJet direct
13 Aug WestJet direct
22 Aug WestJet direct
07 Aug Allegiant Air
14 Aug Allegiant Air
10 Aug Air Canada
15 Aug Air Canada
04 Aug Frontier Airlines
08 Aug WestJet direct
21 Aug United direct

Also check the deals for return flights from Washington to Calgary in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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