AirHint found the following cheapest return flights from London (LCY) to Tokyo (NRT) in September 2026 (see full year).

Return flights

06 Sep - 28 Sep	KLM
07 Sep - 20 Sep	SWISS
21 Sep - 04 Oct	SWISS
21 Sep - 06 Oct	SWISS
12 Sep - 22 Sep	KLM
01 Sep - 15 Sep	KLM
06 Sep - 24 Sep	KLM
08 Sep - 28 Sep	KLM
11 Sep - 27 Sep	SWISS
17 Sep - 04 Oct	KLM
07 Sep - 13 Sep	SWISS
15 Sep - 28 Sep	SWISS
01 Sep - 11 Sep	KLM
29 Sep - 13 Oct	SWISS
23 Sep - 14 Oct	SWISS
20 Sep - 03 Oct	SWISS
28 Sep - 10 Oct	SWISS
17 Sep - 13 Oct	KLM
28 Sep - 12 Oct	KLM
17 Sep - 14 Oct	KLM

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 $1147

Return flights