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

Return flights

19 Aug - 27 Aug	Air Busan
05 Aug - 19 Aug	Air Busan
17 Aug - 01 Sep	China Southern
21 Aug - 04 Sep	China Southern
01 Aug - 05 Aug	HK Express
18 Aug - 25 Aug	Air Busan
02 Aug - 07 Aug	Air China
07 Aug - 12 Aug	Air China
06 Aug - 14 Aug	Air China
05 Aug - 14 Aug	Air China
11 Aug - 14 Aug	Air China
14 Aug - 30 Aug	Air China
15 Aug - 09 Sep	Jeju Air
11 Aug - 23 Sep	Jeju Air
24 Aug - 04 Sep	China Southern
18 Aug - 03 Sep	Air Busan
03 Aug - 20 Sep	China Eastern
20 Aug - 01 Sep	China Southern
21 Aug - 11 Sep	China Southern
28 Aug - 11 Sep	China Southern

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Osaka to London in August from 648€

Return flights