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

Return flights

03 Dec - 10 Dec	Wizz Air
02 Dec - 09 Dec	Wizz Air
01 Dec - 08 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
05 Dec - 12 Dec	Wizz Air
31 Dec - 07 Jan	Wizz Air
27 Dec - 09 Jan	Wizz Air UK
05 Dec - 07 Dec	Wizz Air
08 Dec - 10 Dec	easyJet
04 Dec - 11 Dec	Wizz Air
10 Dec - 17 Dec	Wizz Air
01 Dec - 05 Jan	Wizz Air
06 Dec - 08 Dec	easyJet
26 Dec - 11 Jan	Wizz Air
27 Dec - 05 Jan	Wizz Air UK
17 Dec - 05 Jan	easyJet
31 Dec - 04 Jan	Wizz Air
28 Dec - 04 Jan	Wizz Air
25 Dec - 01 Jan	easyJet
27 Dec - 03 Jan	Wizz Air

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 $131

Return flights