Cheapest one-way flights from Washington to Calgary in July from $143

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

One-Way flights

30 Jul American Airlines
29 Jul United
28 Jul Sun Country Airlines
28 Jul United direct
22 Jul American Airlines
18 Jul WestJet direct
21 Jul American Airlines
25 Jul Allegiant Air
30 Jul WestJet direct
29 Jul United direct

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

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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