Cheapest return flights from Washington to Calgary in July from $401

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

Return flights

27 Jul - 04 Aug WestJet
27 Jul - 03 Aug Delta
29 Jul - 08 Aug Delta
27 Jul - 04 Aug United direct
27 Jul - 03 Aug WestJet direct
30 Jul - 08 Aug Sun Country Airlines
02 Jul - 05 Jul Sun Country Airlines
26 Jul - 04 Aug Delta
29 Jul - 09 Aug Alaska Airlines
30 Jul - 09 Aug Alaska Airlines
16 Jul - 31 Jul WestJet
26 Jul - 04 Aug Air Canada direct
02 Jul - 05 Jul United direct

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

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