Cheapest return flights from Chicago to Calgary in September from 197€

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

Return flights

05 Sep - 11 Sep WestJet direct
04 Sep - 07 Sep Delta
03 Sep - 07 Sep Delta
18 Sep - 27 Sep WestJet direct
19 Sep - 27 Sep Delta
09 Sep - 13 Sep Delta
05 Sep - 07 Sep Delta
05 Sep - 07 Sep WestJet direct
03 Sep - 07 Sep WestJet direct
09 Sep - 13 Sep United direct

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

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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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