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

Return flights

16 Sep - 23 Oct	China Eastern
16 Sep - 22 Oct	China Eastern
22 Sep - 20 Oct	China Eastern
15 Sep - 15 Oct	China Eastern
18 Sep - 15 Oct	China Eastern
16 Sep - 15 Oct	China Eastern
01 Sep - 21 Oct	Air China
15 Sep - 13 Oct	Air China
11 Sep - 13 Oct	Air China
17 Sep - 19 Oct	Air China
17 Sep - 25 Sep	Air China
20 Sep - 25 Sep	Air China
04 Sep - 07 Sep	China Southern
01 Sep - 11 Sep	China Southern
03 Sep - 10 Sep	China Southern
04 Sep - 11 Sep	China Southern
01 Sep - 09 Sep	China Southern
03 Sep - 30 Sep	China Eastern
03 Sep - 11 Sep	China Southern
02 Sep - 11 Sep	China Southern

Also check the deals for one-way flights from London to Tokyo 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 London to Tokyo in September from 562€

Return flights