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

Return flights

15 Dec - 30 Jan	China Eastern
20 Dec - 10 Jan	China Eastern
17 Dec - 25 Dec	Air China
12 Dec - 30 Dec	Air China
13 Dec - 30 Dec	Air China
20 Dec - 26 Dec	China Eastern
24 Dec - 06 Jan	Jeju Air
22 Dec - 30 Dec	Air China
20 Dec - 30 Dec	Air China
22 Dec - 07 Jan	T'way Air
19 Dec - 30 Dec	Air China
25 Dec - 05 Jan	Eastar Jet
19 Dec - 27 Dec	China Eastern
20 Dec - 29 Dec	China Eastern
20 Dec - 31 Dec	Air China
19 Dec - 18 Jan	Air China
20 Dec - 01 Jan	China Eastern
22 Dec - 03 Jan	China Eastern
28 Dec - 06 Jan	Spring Airlines
14 Dec - 04 Jan	Peach

Also check the deals for one-way flights from Osaka 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 Osaka to London in December from 527€

Return flights