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

Return flights

08 Dec - 17 Dec	Air China
08 Dec - 13 Dec	Air China
31 Dec - 15 Jan	Air China
08 Dec - 20 Dec	Air China
08 Dec - 16 Dec	Air China
08 Dec - 21 Dec	Air China
08 Dec - 14 Dec	Air China
08 Dec - 15 Dec	Air China
07 Dec - 22 Dec	easyJet
07 Dec - 14 Dec	easyJet
15 Dec - 20 Dec	Ryanair
27 Dec - 26 Jan	Ryanair
28 Dec - 26 Jan	Air China
25 Dec - 19 Jan	Air China
26 Dec - 20 Jan	Air Europa
07 Dec - 14 Jan	Air Europa
29 Dec - 31 Jan	Air Europa
31 Dec - 11 Jan	easyJet
25 Dec - 18 Jan	Air China
28 Dec - 18 Jan	Air China

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 497€

Return flights