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

Return flights

03 Dec - 07 Dec	British Airways
16 Dec - 15 Jan	British Airways
02 Dec - 06 Dec	British Airways
10 Dec - 14 Dec	British Airways
11 Dec - 16 Dec	British Airways
22 Dec - 27 Dec	Japan Airlines
17 Dec - 05 Jan	Lufthansa
17 Dec - 22 Dec	Japan Airlines
02 Dec - 26 Dec	ANA
02 Dec - 07 Dec	Lufthansa
01 Dec - 07 Jan	Lufthansa
10 Dec - 16 Dec	Lufthansa
30 Dec - 04 Jan	Lufthansa
29 Dec - 04 Jan	Lufthansa
21 Dec - 10 Jan	Lufthansa
29 Dec - 09 Jan	Japan Airlines
13 Dec - 15 Dec	British Airways
26 Dec - 04 Jan	Lufthansa
25 Dec - 03 Jan	Lufthansa
30 Dec - 03 Jan	Lufthansa

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 $1157

Return flights