Cheapest return flights from Chicago to Calgary in August from $158

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

Return flights

18 Aug - 22 Aug WestJet direct
22 Aug - 29 Aug WestJet direct
14 Aug - 20 Aug WestJet direct
15 Aug - 19 Aug WestJet direct
28 Aug - 01 Sep WestJet direct
24 Aug - 27 Aug WestJet direct
13 Aug - 17 Aug WestJet direct
18 Aug - 20 Aug WestJet direct
11 Aug - 15 Aug WestJet direct
12 Aug - 19 Aug WestJet direct
31 Aug - 10 Sep WestJet direct
29 Aug - 02 Sep WestJet direct
31 Aug - 06 Sep WestJet direct
28 Aug - 02 Sep WestJet direct
11 Aug - 14 Aug WestJet direct
30 Aug - 01 Sep Spirit Airlines
29 Aug - 01 Sep Frontier Airlines
29 Aug - 01 Sep American Airlines 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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