Cheapest return flights from Atlanta to Cancun in September from $246

AirHint found the following cheapest return flights from Atlanta (ATL) to Cancun (CUN) in September 2025 (see full year).

Return flights

21 Sep - 25 Sep Frontier Airlines direct
07 Sep - 11 Sep Frontier Airlines direct
05 Sep - 25 Sep Spirit Airlines
05 Sep - 14 Sep Spirit Airlines
12 Sep - 14 Sep Spirit Airlines
12 Sep - 25 Sep Spirit Airlines
05 Sep - 13 Sep Spirit Airlines
05 Sep - 07 Sep Spirit Airlines
05 Sep - 11 Sep Spirit Airlines
12 Sep - 16 Sep Spirit Airlines
27 Sep - 04 Oct Spirit Airlines
28 Sep - 01 Oct Frontier Airlines
12 Sep - 01 Oct Spirit Airlines
20 Sep - 01 Oct Spirit Airlines
27 Sep - 04 Oct Frontier Airlines direct
16 Sep - 01 Oct Spirit Airlines
23 Sep - 01 Oct Spirit Airlines
15 Sep - 01 Oct Spirit Airlines
21 Sep - 01 Oct Spirit Airlines
11 Sep - 01 Oct Spirit Airlines

Also check the deals for one-way flights from Atlanta 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.

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