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

Return flights

31 Dec - 19 Jan	easyJet	direct
31 Dec - 30 Jan	easyJet	direct
31 Dec - 29 Jan	easyJet	direct
31 Dec - 26 Jan	easyJet	direct
31 Dec - 12 Jan	easyJet	direct
31 Dec - 16 Jan	easyJet	direct
24 Dec - 12 Jan	easyJet	direct
24 Dec - 16 Jan	easyJet	direct
24 Dec - 19 Jan	easyJet	direct
26 Dec - 12 Jan	easyJet	direct
26 Dec - 31 Dec	easyJet	direct
24 Dec - 31 Dec	easyJet	direct
13 Dec - 21 Dec	Ryanair
13 Dec - 15 Dec	Ryanair
28 Dec - 31 Dec	Norwegian Air Sweden AOC
16 Dec - 21 Dec	Ryanair
13 Dec - 20 Dec	Ryanair
13 Dec - 16 Dec	Ryanair
16 Dec - 23 Dec	Wizz Air UK
16 Dec - 18 Dec	Ryanair

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.

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Cheapest return flights from London to Copenhagen in December from $108

Return flights