Cheapest return flights from Chicago to Calgary in October from 112€

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

Return flights

30 Oct - 02 Nov WestJet direct
24 Oct - 27 Oct WestJet direct
26 Oct - 02 Nov WestJet direct
23 Oct - 26 Oct WestJet direct
24 Oct - 26 Oct WestJet direct
17 Oct - 20 Oct WestJet direct
10 Oct - 12 Oct WestJet direct
16 Oct - 20 Oct WestJet direct
05 Oct - 12 Oct WestJet direct
09 Oct - 12 Oct WestJet direct
24 Oct - 29 Oct United direct
10 Oct - 13 Oct WestJet

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

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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