AirHint found the following cheapest return flights from London (LCY) to Copenhagen (CPH) in January 2026 (see full year).

Return flights

07 Jan - 12 Jan	SWISS
12 Jan - 18 Jan	SWISS
24 Jan - 27 Jan	SWISS
21 Jan - 24 Jan	KLM
15 Jan - 22 Jan	KLM
05 Jan - 08 Jan	KLM
24 Jan - 25 Jan	KLM
17 Jan - 18 Jan	KLM
17 Jan - 22 Jan	KLM
23 Jan - 25 Jan	KLM
29 Jan - 02 Feb	KLM
30 Jan - 03 Feb	KLM
29 Jan - 03 Feb	Luxair

Also check the deals for one-way flights from London to Copenhagen in January.

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 January from $247

Return flights