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

Return flights

21 Dec - 07 Jan	Etihad Airways
17 Dec - 31 Dec	China Eastern
12 Dec - 15 Dec	Air China
18 Dec - 31 Dec	China Eastern
15 Dec - 29 Dec	Air China
23 Dec - 30 Dec	China Eastern
10 Dec - 14 Dec	Air China
08 Dec - 15 Dec	Air China
10 Dec - 17 Dec	Air China
13 Dec - 15 Dec	Air China
13 Dec - 16 Dec	Air China
19 Dec - 09 Jan	Jeju Air
30 Dec - 11 Jan	China Eastern
23 Dec - 15 Jan	China Eastern
29 Dec - 23 Jan	Japan Airlines
30 Dec - 28 Jan	Spring Airlines Japan
19 Dec - 01 Jan	Jeju Air
25 Dec - 04 Jan	Sichuan Airlines
29 Dec - 05 Jan	Hainan Airlines
26 Dec - 04 Jan	Sichuan Airlines

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 631€

Return flights