AirHint found the following cheapest return flights from London (LHR) to Amsterdam (AMS) in December 2025 (see full year).

Return flights

05 Dec - 15 Dec	KLM	direct
05 Dec - 10 Dec	KLM	direct
05 Dec - 06 Dec	KLM	direct
17 Dec - 31 Dec	KLM	direct
06 Dec - 10 Dec	KLM	direct
08 Dec - 15 Dec	KLM	direct
26 Dec - 30 Dec	KLM	direct
01 Dec - 11 Dec	KLM	direct
04 Dec - 11 Dec	KLM	direct
06 Dec - 13 Dec	KLM	direct
25 Dec - 07 Jan	KLM	direct
31 Dec - 06 Jan	KLM	direct
11 Dec - 08 Jan	KLM	direct
06 Dec - 30 Jan	KLM	direct
26 Dec - 22 Jan	KLM	direct
31 Dec - 07 Jan	KLM	direct
11 Dec - 12 Jan	KLM	direct
30 Dec - 13 Jan	KLM	direct
20 Dec - 17 Jan	KLM	direct
25 Dec - 01 Jan	KLM	direct

Also check the deals for one-way flights from London to Amsterdam 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 Amsterdam in December from $181

Return flights