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

Return flights

11 Sep - 14 Sep	Hainan Airlines
18 Sep - 20 Sep	Hainan Airlines
02 Sep - 06 Sep	Hainan Airlines
16 Sep - 24 Sep	Hainan Airlines
05 Sep - 28 Sep	Shenzhen Airlines
03 Sep - 14 Sep	T'way Air
04 Sep - 11 Sep	Spring Airlines
04 Sep - 08 Sep	Peach
01 Sep - 15 Sep	Peach
22 Sep - 28 Sep	Vietnam Airlines
11 Sep - 08 Oct	EVA Air
11 Sep - 09 Oct	China Southern
11 Sep - 11 Oct	China Southern
13 Sep - 03 Oct	China Southern
27 Sep - 04 Oct	Singapore Airlines
02 Sep - 02 Oct	Malaysia Airlines
29 Sep - 04 Oct	China Southern
09 Sep - 07 Oct	China Southern
16 Sep - 10 Oct	China Southern
09 Sep - 09 Oct	China Southern

Also check the deals for one-way flights from Osaka to London in September.

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 September from 536€

Return flights