AirHint found the following cheapest return flights from Indianapolis (IND) to Atlanta (ATL) in August 2025 (see full year).

Return flights

04 Aug - 09 Aug	Frontier Airlines	direct
09 Aug - 15 Aug	Frontier Airlines	direct
01 Aug - 08 Aug	Frontier Airlines	direct
12 Aug - 13 Aug	Southwest Airlines	direct
07 Aug - 14 Aug	Spirit Airlines
23 Aug - 06 Sep	Spirit Airlines
22 Aug - 24 Aug	Frontier Airlines
07 Aug - 12 Aug	Spirit Airlines
07 Aug - 17 Aug	Spirit Airlines
07 Aug - 18 Aug	Spirit Airlines
22 Aug - 24 Aug	Delta	direct

Also check the deals for one-way flights from Indianapolis to Atlanta in August.

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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Cheapest return flights from Indianapolis to Atlanta in August from $113

Return flights