AirHint found the following cheapest return flights from Chicago (ORD) to Cancun (CUN) in August 2026 (see full year).

Return flights

21 Aug - 03 Sep	Viva
25 Aug - 03 Sep	Viva
19 Aug - 03 Sep	Viva
18 Aug - 03 Sep	Spirit Airlines
23 Aug - 03 Sep	Viva
20 Aug - 03 Sep	Viva
17 Aug - 03 Sep	Spirit Airlines
21 Aug - 07 Sep	Viva
25 Aug - 07 Sep	Viva
19 Aug - 07 Sep	Viva
21 Aug - 22 Aug	Viva
18 Aug - 20 Aug	Spirit Airlines
11 Aug - 20 Aug	Spirit Airlines
19 Aug - 20 Aug	Viva
19 Aug - 22 Aug	Viva
18 Aug - 22 Aug	Spirit Airlines
11 Aug - 22 Aug	Spirit Airlines
12 Aug - 20 Aug	Spirit Airlines
12 Aug - 22 Aug	Spirit Airlines
20 Aug - 22 Aug	Viva

Also check the deals for one-way flights from Chicago to Cancun in August.

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 return flights from Chicago to Cancun in August from 255€

Return flights