AirHint found the following cheapest return flights from Frankfurt (FRA) to Berlin (BER) in September 2026 (see full year).
Return flights
| 19 Sep - 28 Sep | Condor | direct | |
| 25 Sep - 04 Oct | Condor | direct | |
| 24 Sep - 03 Oct | Condor | direct | |
| 21 Sep - 30 Sep | Lufthansa | direct | |
| 08 Sep - 12 Sep | Condor | direct |
Also check the deals for one-way flights from Frankfurt to Berlin in September.
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