Cheapest one-way flights from Washington to Calgary in August from 147€

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
26 Aug Frontier Airlines
28 Aug Allegiant Air
24 Aug Frontier Airlines
18 Aug WestJet direct
22 Aug Frontier Airlines
19 Aug Frontier Airlines
19 Aug United direct
29 Aug Frontier Airlines
26 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.

Book a cheap hotel in Calgary

Cheap car rent in Calgary

Feel free to contact us with any feedback or request another flight research.