Cheapest return flights from London to Copenhagen in December from $235

Best time to book flights for London (LCY) to Copenhagen (CPH) flights at AirHint

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

Return flights

05 Dec - 08 Dec SWISS
05 Dec - 07 Dec SWISS
03 Dec - 17 Dec SWISS
12 Dec - 14 Dec SWISS
01 Dec - 16 Dec SWISS
04 Dec - 07 Dec SWISS
04 Dec - 09 Dec SWISS
15 Dec - 21 Dec KLM
05 Dec - 06 Dec KLM
18 Dec - 21 Dec KLM

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

Skyscanner

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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