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

Return flights

17 Sep - 16 Oct	China Eastern
24 Sep - 01 Oct	China Eastern
16 Sep - 16 Oct	China Eastern
22 Sep - 13 Oct	China Southern
16 Sep - 30 Sep	China Eastern
18 Sep - 21 Oct	China Eastern
24 Sep - 02 Oct	China Eastern
22 Sep - 28 Sep	Air India
18 Sep - 23 Sep	Air India
17 Sep - 24 Sep	Air India
18 Sep - 28 Sep	Air India
16 Sep - 24 Sep	Air India
22 Sep - 30 Sep	Air India
22 Sep - 01 Oct	Air India
17 Sep - 15 Oct	Air India
18 Sep - 18 Oct	Air China
16 Sep - 29 Sep	China Eastern
16 Sep - 15 Oct	China Eastern
17 Sep - 25 Sep	Air India
18 Sep - 26 Sep	Air India

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 $598

Return flights