AirHint found the following cheapest one-way flights from Tokyo (HND) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

18 Sep	China Southern
09 Sep	Skymark Airlines
25 Sep	HK Express
30 Sep	Vietnam Airlines
28 Sep	Vietnam Airlines
27 Sep	Vietnam Airlines
24 Sep	Peach
01 Sep	China Southern
02 Sep	China Southern
10 Sep	HK Express

Also check the deals for return flights from Tokyo to Barcelona 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 one-way flights from Tokyo to Barcelona in September from $419

One-Way flights