Cheapest return flights from Washington to Calgary in July from $340

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

Return flights

28 Jul - 31 Jul Frontier Airlines
31 Jul - 07 Aug Allegiant Air
28 Jul - 31 Jul United direct
30 Jul - 13 Aug Frontier Airlines
24 Jul - 30 Jul Allegiant Air
31 Jul - 05 Aug Allegiant Air
30 Jul - 05 Aug Frontier Airlines
18 Jul - 23 Jul WestJet
22 Jul - 28 Jul United
19 Jul - 26 Jul Allegiant Air
29 Jul - 03 Aug Frontier Airlines
24 Jul - 28 Jul Allegiant Air
25 Jul - 28 Jul Allegiant Air
25 Jul - 27 Jul Allegiant Air
16 Jul - 22 Jul American Airlines
29 Jul - 03 Aug Air Canada direct

Also check the deals for one-way 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.

Book a cheap hotel in Calgary

Cheap car rent in Calgary

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