May is the cheapest month to fly this route, with average fares around $150 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $150 | $88 | Best | |
| June 2026 | $182 | $88 | ||
| July 2026 | $185 | $128 | ||
| August 2026 | $190 | $159 | Peak |
Departing on Tuesday offers the lowest average fares at $149. Sunday departures are the most expensive at $211, a difference of $62.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Boston to Atlanta is May, with average round-trip fares around $150. The lowest fare found in May is $88.
Tuesday departures are the cheapest, averaging $149 round trip. The most expensive day is Sunday at $211.
Based on current pricing trends, booking for May travel offers the best value. Avoid August if possible, as fares average $190 compared to $150 in the cheapest month. July is a solid middle-ground option at $185.
Flying in May instead of August can save you approximately $40 per round trip. The cheapest month averages $150 while the most expensive averages $190.
Airlines, flight times, price calendar, and more for Boston to Atlanta
View BOS → ATL Details