Cheapest return flights from Chicago to Cancun in August from $456

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

Return flights

12 Aug - 22 Aug Frontier Airlines
20 Aug - 25 Aug Frontier Airlines
03 Aug - 10 Aug Frontier Airlines
04 Aug - 11 Aug Delta
02 Aug - 05 Aug Southwest Airlines
16 Aug - 23 Aug Southwest Airlines
13 Aug - 16 Aug Southwest Airlines

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

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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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