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

Return flights

10 Dec - 23 Dec	ITA Airways
10 Dec - 22 Dec	ITA Airways
08 Dec - 23 Dec	ITA Airways
07 Dec - 21 Dec	ITA Airways
08 Dec - 17 Dec	ITA Airways
10 Dec - 20 Dec	ITA Airways
09 Dec - 20 Dec	ITA Airways
09 Dec - 15 Dec	ITA Airways
08 Dec - 15 Dec	ITA Airways
07 Dec - 15 Dec	ITA Airways
09 Dec - 19 Jan	ITA Airways
07 Dec - 14 Jan	ITA Airways
10 Dec - 01 Jan	ITA Airways
11 Dec - 08 Jan	ITA Airways
09 Dec - 08 Jan	ITA Airways
31 Dec - 11 Jan	Lufthansa
10 Dec - 08 Jan	ITA Airways
07 Dec - 01 Jan	ITA Airways
08 Dec - 01 Jan	ITA Airways
11 Dec - 01 Jan	ITA Airways

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 821€

Return flights