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

Return flights

25 Sep - 04 Oct	China Eastern
23 Sep - 04 Oct	Air China
28 Sep - 04 Oct	Vietnam Airlines
16 Sep - 17 Sep	Air China
16 Sep - 24 Sep	Air China
27 Sep - 25 Oct	Vietnam Airlines
10 Sep - 15 Sep	Air China
10 Sep - 17 Sep	Asiana Airlines
11 Sep - 14 Sep	Asiana Airlines
15 Sep - 24 Sep	Peach
22 Sep - 07 Oct	EVA Air
24 Sep - 08 Oct	EVA Air
23 Sep - 05 Oct	EVA Air
10 Sep - 13 Sep	Air China
18 Sep - 04 Oct	Thai Airways
16 Sep - 27 Sep	EVA Air
27 Sep - 02 Oct	Peach
24 Sep - 28 Sep	Vietnam Airlines
23 Sep - 30 Sep	Vietnam Airlines
25 Sep - 02 Oct	Malaysia Airlines

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 703€

Return flights