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

Return flights

29 Dec - 10 Jan	China Eastern
29 Dec - 15 Jan	China Eastern
31 Dec - 11 Jan	China Eastern
31 Dec - 14 Jan	Spring Airlines
31 Dec - 13 Jan	LOT
31 Dec - 07 Jan	LOT
31 Dec - 08 Jan	LOT
30 Dec - 06 Jan	Juneyao Airlines
27 Dec - 07 Jan	Spring Airlines Japan
27 Dec - 10 Jan	SriLankan Airlines
28 Dec - 30 Dec	Shenzhen Airlines
27 Dec - 28 Dec	SriLankan Airlines
27 Dec - 31 Dec	Peach
29 Dec - 31 Dec	Qatar Airways

Also check the deals for one-way flights from Tokyo to London 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 Tokyo to London in December from 843€

Return flights