Cheapest return flights from Chicago to Calgary in August from $251

Best time to book flights for Chicago (ORD) to Calgary (YYC) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Calgary (YYC) in August 2025 (see full year).

Return flights

08 Aug - 12 Aug Delta
09 Aug - 12 Aug American Airlines direct
21 Aug - 25 Aug American Airlines direct
27 Aug - 02 Sep WestJet direct
08 Aug - 15 Aug Frontier Airlines
14 Aug - 21 Aug Frontier Airlines
04 Aug - 12 Aug American Airlines direct
01 Aug - 04 Aug Frontier Airlines
28 Aug - 01 Sep Delta
08 Aug - 15 Aug WestJet direct
28 Aug - 28 Aug Hawaiian Airlines
01 Aug - 04 Aug WestJet direct
28 Aug - 01 Sep United direct

Also check the deals for one-way flights from Chicago 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.

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