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

Return flights

01 Dec - 08 Dec	China Eastern
01 Dec - 11 Dec	China Eastern
02 Dec - 12 Dec	China Eastern
02 Dec - 08 Dec	China Eastern
02 Dec - 13 Dec	China Eastern
03 Dec - 16 Dec	China Eastern
01 Dec - 17 Dec	China Eastern
05 Dec - 10 Dec	China Eastern
01 Dec - 16 Dec	China Eastern
02 Dec - 14 Dec	China Eastern
02 Dec - 23 Jan	China Southern
04 Dec - 22 Jan	Air China
31 Dec - 15 Jan	Air China
02 Dec - 14 Jan	Air China
31 Dec - 14 Jan	Air China
01 Dec - 13 Jan	Air China
08 Dec - 22 Jan	Air China
28 Dec - 15 Jan	Air China
28 Dec - 22 Jan	Air China
28 Dec - 27 Jan	Air China

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 483€

Return flights