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

Return flights

07 Jan - 11 Jan	SWISS
09 Jan - 11 Jan	SWISS
16 Jan - 18 Jan	SWISS
01 Jan - 17 Jan	KLM
10 Jan - 11 Jan	SWISS
15 Jan - 18 Jan	SWISS
08 Jan - 11 Jan	SWISS
15 Jan - 17 Jan	KLM
17 Jan - 19 Jan	KLM
18 Jan - 22 Jan	KLM
31 Jan - 04 Feb	KLM
14 Jan - 01 Feb	SWISS
29 Jan - 01 Feb	SWISS
31 Jan - 01 Feb	SWISS

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from London to Copenhagen in January from 207€

Return flights