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

Return flights

18 Sep - 09 Oct	China Eastern
12 Sep - 24 Oct	Air China
18 Sep - 16 Oct	Air China
09 Sep - 20 Sep	Air China
23 Sep - 13 Oct	Air China
21 Sep - 15 Oct	Air China
01 Sep - 24 Sep	Air China
17 Sep - 23 Sep	Air China
23 Sep - 15 Oct	Air China
22 Sep - 15 Oct	Air China
22 Sep - 16 Oct	China Southern
05 Sep - 24 Oct	China Southern
06 Sep - 24 Oct	China Southern
17 Sep - 28 Sep	Air China
10 Sep - 17 Sep	Ryanair
02 Sep - 17 Sep	Ryanair
01 Sep - 17 Sep	Ryanair
02 Sep - 16 Sep	Ryanair
07 Sep - 16 Sep	Ryanair
14 Sep - 24 Sep	China Eastern

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 $641

Return flights