June is the cheapest month to fly this route, with average fares around $354 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $359 | $320 | ||
| June 2026 | $354 | $320 | Best | |
| July 2026 | $371 | $348 | Peak | |
| August 2026 | $362 | $348 |
Departing on Tuesday offers the lowest average fares at $341. Friday departures are the most expensive at $379, a difference of $38.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Atlanta to Cancun is June, with average round-trip fares around $354. The lowest fare found in June is $320.
Tuesday departures are the cheapest, averaging $341 round trip. The most expensive day is Friday at $379.
Based on current pricing trends, booking for June travel offers the best value. Avoid July if possible, as fares average $371 compared to $354 in the cheapest month. August is a solid middle-ground option at $362.
Flying in June instead of July can save you approximately $17 per round trip. The cheapest month averages $354 while the most expensive averages $371.
Airlines, flight times, price calendar, and more for Atlanta to Cancun
View ATL → CUN Details