Cheapest one-way flights from Chicago to Cancun in September from 75€

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

One-Way flights

23 Sep Frontier Airlines direct
07 Sep Frontier Airlines direct
16 Sep Frontier Airlines direct
28 Sep Frontier Airlines direct
13 Sep Viva
13 Sep Frontier Airlines direct
06 Sep Volaris
04 Sep Viva
26 Sep Viva
25 Sep Volaris

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

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Feel free to contact us with any feedback or request another flight research.