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

Return flights

01 Dec - 06 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
09 Dec - 16 Dec	easyJet
23 Dec - 30 Dec	easyJet
11 Dec - 15 Dec	easyJet
23 Dec - 29 Dec	easyJet
12 Dec - 14 Dec	Ryanair
15 Dec - 18 Dec	easyJet
21 Dec - 31 Dec	easyJet
28 Dec - 08 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
31 Dec - 03 Jan	KLM
29 Dec - 02 Jan	KLM
30 Dec - 04 Jan	KLM
29 Dec - 02 Jan	Scandinavian Airlines	direct
29 Dec - 03 Jan	Lufthansa	direct
30 Dec - 04 Jan	Lufthansa	direct
31 Dec - 03 Jan	Lufthansa	direct
31 Dec - 04 Jan	Lufthansa	direct

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 $145

Return flights