Cheapest one-way flights from Chicago to Calgary in October from 39€

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

One-Way flights

26 Oct WestJet direct
27 Oct WestJet direct
10 Oct WestJet direct
03 Oct WestJet direct
25 Oct WestJet direct
18 Oct WestJet direct
28 Oct Air Canada
02 Oct Frontier Airlines
28 Oct Air Canada direct
14 Oct Delta

Also check the deals for return 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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