Cheapest one-way flights from Cancun to Chicago in September from $109

AirHint found the following cheapest one-way flights from Cancun (CUN) to Chicago (ORD) in September 2025 (see full year).

One-Way flights

06 Sep Frontier Airlines direct
13 Sep Spirit Airlines direct
20 Sep Spirit Airlines direct
18 Sep Frontier Airlines direct
25 Sep Frontier Airlines direct
11 Sep Spirit Airlines
05 Sep Spirit Airlines
04 Sep Spirit Airlines
17 Sep Spirit Airlines
04 Sep Frontier Airlines direct

Also check the deals for return flights from Cancun to Chicago in September.

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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