Cheapest one-way flights from Boston to Atlanta in September from $77

AirHint found the following cheapest one-way flights from Boston (BOS) to Atlanta (ATL) in September 2025 (see full year).

One-Way flights

25 Sep Frontier Airlines
27 Sep Frontier Airlines
29 Sep Frontier Airlines
26 Sep Frontier Airlines
22 Sep Frontier Airlines
27 Sep Frontier Airlines direct
24 Sep Spirit Airlines
23 Sep Spirit Airlines
25 Sep Frontier Airlines direct
21 Sep Frontier Airlines

Also check the deals for return flights from Boston to Atlanta 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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