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

Return flights

18 Mar - 25 Mar	SWISS
07 Mar - 13 Mar	SWISS
09 Mar - 20 Mar	SWISS
14 Mar - 16 Mar	SWISS
12 Mar - 15 Mar	SWISS
07 Mar - 09 Mar	SWISS
07 Mar - 12 Mar	SWISS
14 Mar - 15 Mar	SWISS
06 Mar - 13 Mar	SWISS
13 Mar - 15 Mar	SWISS
31 Mar - 13 Apr	SWISS
10 Mar - 16 Apr	SWISS
24 Mar - 04 Apr	KLM
24 Mar - 02 Apr	SWISS
31 Mar - 06 Apr	KLM
26 Mar - 01 Apr	SWISS
25 Mar - 04 Apr	KLM
27 Mar - 01 Apr	SWISS
26 Mar - 08 Apr	SWISS
30 Mar - 04 Apr	KLM

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

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 March from 204€

Return flights