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

Return flights

06 Dec - 09 Dec	Wizz Air UK
12 Dec - 14 Dec	Ryanair
06 Dec - 06 Dec	Wizz Air UK
05 Dec - 09 Dec	Wizz Air
05 Dec - 07 Dec	Wizz Air
01 Dec - 10 Dec	Wizz Air UK
24 Dec - 11 Jan	easyJet
15 Dec - 17 Dec	Ryanair
09 Dec - 14 Dec	Ryanair
13 Dec - 16 Dec	easyJet
03 Dec - 05 Dec	Wizz Air
31 Dec - 04 Jan	Wizz Air
27 Dec - 04 Jan	Wizz Air UK
20 Dec - 04 Jan	easyJet
27 Dec - 02 Jan	Wizz Air UK
30 Dec - 03 Jan	Wizz Air
28 Dec - 04 Jan	easyJet

Also check the deals for one-way flights from London 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from London to Copenhagen in December from 117€

Return flights