Cheapest return flights from Atlanta (ATL) to Cancun (CUN), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
04 Sep 06 Sep Frontier Airlines
28 Sep 01 Oct Southwest Airlines
14 Sep 18 Sep Southwest Airlines
14 Sep 25 Sep Southwest Airlines
01 Sep 08 Sep Frontier Airlines
11 Sep 21 Sep Frontier Airlines
11 Sep 14 Sep Frontier Airlines
25 Sep 04 Oct Southwest Airlines
15 Sep 20 Sep Southwest Airlines
10 Sep 14 Sep Southwest Airlines
23 Sep 26 Sep Frontier Airlines
12 Sep 19 Sep Southwest Airlines
28 Sep 01 Oct Frontier Airlines
Direct Flight
25 Sep 04 Oct Frontier Airlines
Direct Flight
26 Sep 03 Oct Aeromexico
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deals for one-way flights from Atlanta to Cancun in September.

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Updated Jul 4, 2026.

About these fares

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