Cheapest return flights from Chicago to Calgary in May from 139€

AirHint found the following cheapest return flights from Chicago (ORD) to Calgary (YYC) in May 2026 (see full year).

Return flights

25 May - 29 May WestJet direct
11 May - 18 May WestJet direct
11 May - 17 May WestJet direct
24 May - 29 May WestJet direct
18 May - 22 May WestJet direct
02 May - 09 May Delta
06 May - 13 May Delta
18 May - 21 May WestJet direct
22 May - 26 May WestJet direct
22 May - 25 May WestJet direct

Also check the deals for one-way flights from Chicago to Calgary in May.

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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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