Cheapest one-way flights from Calgary to Chicago in April from $102

AirHint found the following cheapest one-way flights from Calgary (YYC) to Chicago (ORD) in April 2026 (see full year).

One-Way flights

13 Apr WestJet direct
12 Apr Air Canada
19 Apr Air Canada
03 Apr Porter Airlines (Canada) Ltd
02 Apr Porter Airlines (Canada) Ltd
06 Apr WestJet direct
03 Apr WestJet direct
19 Apr United direct
02 Apr Air Canada direct
12 Apr United direct

Also check the deals for return flights from Calgary to Chicago in April.

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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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