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

Return flights

06 Dec - 16 Dec	Vueling Airlines
07 Dec - 14 Dec	easyJet
06 Dec - 21 Dec	Vueling Airlines
06 Dec - 14 Dec	easyJet
04 Dec - 20 Dec	easyJet
07 Dec - 18 Dec	easyJet
02 Dec - 11 Dec	China Eastern
06 Dec - 20 Dec	easyJet
06 Dec - 18 Dec	easyJet
02 Dec - 08 Dec	China Eastern
31 Dec - 14 Jan	China Eastern
30 Dec - 13 Jan	China Eastern
31 Dec - 20 Jan	China Eastern
05 Dec - 18 Jan	China Eastern
31 Dec - 18 Jan	China Eastern
07 Dec - 16 Jan	Air China
07 Dec - 13 Jan	Air China
30 Dec - 21 Jan	China Eastern
08 Dec - 13 Jan	Air China
30 Dec - 18 Jan	China Eastern

Also check the deals for one-way flights from London to Osaka 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 Osaka in December from 424€

Return flights