AirHint found the following cheapest return flights from Atlanta (ATL) to Frankfurt (FRA) in September 2025 (see full year).

Return flights

24 Sep - 08 Oct	Scandinavian Airlines
22 Sep - 21 Oct	Scandinavian Airlines
08 Sep - 14 Sep	Condor
05 Sep - 07 Sep	Condor
11 Sep - 18 Sep	Condor
14 Sep - 21 Sep	Condor
17 Sep - 24 Sep	Condor
15 Sep - 24 Sep	Condor
11 Sep - 27 Sep	Condor
12 Sep - 19 Sep	Condor
19 Sep - 24 Sep	jetBlue
19 Sep - 25 Sep	jetBlue
21 Sep - 05 Oct	Condor
25 Sep - 02 Oct	Condor
24 Sep - 08 Oct	Air France	direct
22 Sep - 21 Oct	Air France	direct
21 Sep - 05 Oct	Air France	direct
25 Sep - 02 Oct	Lufthansa	direct

Also check the deals for one-way flights from Atlanta to Frankfurt in September.

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 Atlanta to Frankfurt in September from $569

Return flights