AirHint found the following cheapest return flights from Washington (IAD) to Calgary (YYC) in July 2026 (see full year).

Return flights

01 Jul - 08 Jul	Delta
10 Jul - 14 Jul	Delta
29 Jul - 03 Aug	Delta
31 Jul - 05 Aug	Delta
31 Jul - 06 Aug	Delta
30 Jul - 05 Aug	Delta
30 Jul - 04 Aug	Delta
31 Jul - 05 Aug	United	direct
31 Jul - 06 Aug	United	direct
30 Jul - 05 Aug	United	direct
30 Jul - 04 Aug	United	direct
09 Jul - 20 Jul	Alaska Airlines
28 Jul - 02 Aug	Delta
09 Jul - 20 Jul	Air Canada	direct
10 Jul - 14 Jul	United	direct

Also check the deals for one-way flights from Washington to Calgary in July.

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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Cheapest return flights from Washington to Calgary in July from 472€

Return flights