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

Return flights

02 Dec - 06 Dec	Japan Airlines
21 Dec - 11 Jan	British Airways
23 Dec - 08 Jan	Japan Airlines
01 Dec - 08 Dec	Japan Airlines
05 Dec - 08 Dec	Japan Airlines
22 Dec - 30 Dec	British Airways
21 Dec - 30 Dec	British Airways
23 Dec - 31 Dec	British Airways
18 Dec - 28 Dec	Japan Airlines
18 Dec - 05 Jan	British Airways
15 Dec - 22 Dec	Japan Airlines
13 Dec - 23 Dec	Japan Airlines
04 Dec - 12 Dec	Japan Airlines
24 Dec - 05 Jan	British Airways
22 Dec - 04 Jan	British Airways
23 Dec - 01 Jan	Lufthansa
23 Dec - 04 Jan	Lufthansa
22 Dec - 01 Jan	British Airways
30 Dec - 05 Jan	Lufthansa
26 Dec - 01 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 $1073

Return flights