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

One-Way flights

29 Jun	United	direct
12 Jun	United	direct
24 Jun	United	direct
13 Jun	United	direct
30 Jun	Delta
25 Jun	Sun Country Airlines
17 Jun	Delta
28 Jun	Sun Country Airlines
30 Jun	American Airlines	direct
26 Jun	Spirit Airlines

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

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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Cheapest one-way flights from Chicago to Calgary in June from $67

One-Way flights