Cheapest return flights from Chicago to Calgary in August from 198€

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

Return flights

19 Aug - 22 Aug WestJet direct
30 Aug - 03 Sep Frontier Airlines
25 Aug - 05 Sep Delta
31 Aug - 06 Sep Spirit Airlines
18 Aug - 22 Aug Frontier Airlines
31 Aug - 10 Sep Frontier Airlines
29 Aug - 07 Sep WestJet
20 Aug - 25 Aug WestJet
28 Aug - 30 Aug WestJet
28 Aug - 02 Sep WestJet direct
27 Aug - 01 Sep WestJet direct
18 Aug - 25 Aug Frontier Airlines
21 Aug - 26 Aug WestJet direct
29 Aug - 02 Sep WestJet direct
18 Aug - 21 Aug Frontier Airlines
17 Aug - 20 Aug Frontier Airlines
17 Aug - 21 Aug Frontier Airlines
28 Aug - 01 Sep WestJet
30 Aug - 03 Sep WestJet direct
28 Aug - 30 Aug 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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