Cheapest return flights from Chicago to Calgary in August from $157

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

Return flights

11 Aug - 18 Aug WestJet direct
24 Aug - 27 Aug WestJet direct
20 Aug - 27 Aug WestJet direct
12 Aug - 19 Aug WestJet direct
19 Aug - 26 Aug WestJet direct
12 Aug - 26 Aug WestJet direct
18 Aug - 31 Aug WestJet direct
06 Aug - 13 Aug WestJet direct
18 Aug - 25 Aug WestJet direct
04 Aug - 07 Aug WestJet direct
29 Aug - 02 Sep WestJet direct
31 Aug - 10 Sep WestJet direct
27 Aug - 10 Sep WestJet direct
19 Aug - 02 Sep WestJet direct
27 Aug - 02 Sep WestJet direct
27 Aug - 01 Sep WestJet direct
19 Aug - 03 Sep WestJet direct
20 Aug - 09 Sep WestJet direct
27 Aug - 03 Sep WestJet direct
18 Aug - 01 Sep WestJet 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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