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

Return flights

25 Aug - 16 Sep	China Eastern
21 Aug - 26 Aug	China Eastern
27 Aug - 16 Sep	China Eastern
05 Aug - 19 Aug	Air India
27 Aug - 14 Sep	Air India
10 Aug - 17 Aug	Air India
06 Aug - 14 Aug	Air India
05 Aug - 15 Aug	Air India
20 Aug - 25 Aug	Air India
11 Aug - 27 Aug	Air India
10 Aug - 24 Aug	Air India
05 Aug - 22 Aug	Air India
09 Aug - 17 Aug	Air India
27 Aug - 03 Sep	China Eastern
29 Aug - 08 Sep	Ryanair
31 Aug - 07 Sep	China Southern
31 Aug - 14 Sep	China Southern
31 Aug - 09 Sep	China Southern
29 Aug - 03 Sep	China Eastern
30 Aug - 03 Sep	China Eastern

Also check the deals for one-way flights from London to Tokyo 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.

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Cheapest return flights from London to Tokyo in August from $840

Return flights