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

Return flights

13 Dec - 16 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
08 Dec - 15 Dec	Ryanair
01 Dec - 03 Dec	easyJet
03 Dec - 10 Dec	easyJet
11 Dec - 15 Dec	easyJet
08 Dec - 10 Dec	easyJet
23 Dec - 31 Dec	easyJet
01 Dec - 02 Dec	easyJet
02 Dec - 04 Dec	easyJet
13 Dec - 25 Jan	Ryanair
20 Dec - 06 Jan	Ryanair
21 Dec - 05 Jan	Condor
20 Dec - 07 Jan	easyJet
22 Dec - 05 Jan	Ryanair
22 Dec - 03 Jan	Ryanair
18 Dec - 04 Jan	easyJet
30 Dec - 08 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
19 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Frankfurt to Copenhagen 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 Copenhagen in December from 122€

Return flights