AirHint found the following cheapest return flights from Frankfurt (FRA) to Berlin (BER) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec	Condor	direct
19 Dec - 05 Jan	Condor	direct
29 Dec - 05 Jan	Lufthansa
29 Dec - 05 Jan	Lufthansa	direct
23 Dec - 04 Jan	Lufthansa	direct
02 Dec - 08 Jan	Lufthansa	direct
24 Dec - 27 Dec	Condor	direct
30 Dec - 02 Jan	Condor	direct

Also check the deals for one-way flights from Frankfurt to Berlin in December.

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 Frankfurt to Berlin in December from 119€

Return flights