August is the cheapest month to fly this route, with average fares around $58 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $82 | $56 | Peak | |
| June 2026 | $77 | $56 | ||
| July 2026 | $66 | $56 | ||
| August 2026 | $58 | $56 | Best |
Departing on Wednesday offers the lowest average fares at $57. Sunday departures are the most expensive at $104, a difference of $47.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Miami to Atlanta is August, with average round-trip fares around $58. The lowest fare found in August is $56.
Wednesday departures are the cheapest, averaging $57 round trip. The most expensive day is Sunday at $104.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $82 compared to $58 in the cheapest month. June is a solid middle-ground option at $77.
Flying in August instead of May can save you approximately $24 per round trip. The cheapest month averages $58 while the most expensive averages $82.
Airlines, flight times, price calendar, and more for Miami to Atlanta
View MIA → ATL Details