AirHint found the following cheapest return flights from London (LCY) to Tokyo (NRT) in December 2026 (see full year).

Return flights

07 Dec - 19 Dec	SWISS
01 Dec - 20 Dec	KLM
01 Dec - 22 Dec	KLM
03 Dec - 13 Dec	KLM
01 Dec - 14 Dec	KLM
01 Dec - 17 Dec	KLM
02 Dec - 14 Dec	Iberia
03 Dec - 14 Dec	Iberia
02 Dec - 13 Dec	Iberia
01 Dec - 06 Dec	KLM
19 Dec - 02 Jan	KLM
04 Dec - 03 Jan	KLM
05 Dec - 03 Jan	KLM
04 Dec - 02 Jan	KLM
05 Dec - 02 Jan	KLM
10 Dec - 04 Jan	KLM
11 Dec - 04 Jan	KLM
14 Dec - 03 Jan	KLM
15 Dec - 03 Jan	KLM
14 Dec - 01 Jan	KLM

Also check the deals for one-way flights from London to Tokyo 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 Tokyo in December from $1109

Return flights