AirHint found the following cheapest return flights from Tokyo (NRT) to Barcelona (BCN) in September 2025 (see full year).

Return flights

17 Sep - 25 Sep	Air China
22 Sep - 25 Sep	Air China
10 Sep - 18 Sep	Air China
10 Sep - 16 Sep	Air China
22 Sep - 01 Oct	Air China
22 Sep - 28 Sep	Air China
09 Sep - 16 Sep	T'way Air
19 Sep - 26 Sep	Air China
24 Sep - 01 Oct	Air China
18 Sep - 23 Sep	Air China
19 Sep - 23 Sep	Air China
19 Sep - 25 Sep	Air China
30 Sep - 14 Oct	Zipair
27 Sep - 04 Oct	Asiana Airlines
28 Sep - 05 Oct	Juneyao Airlines
25 Sep - 02 Oct	Asiana Airlines
30 Sep - 07 Oct	Etihad Airways
29 Sep - 06 Oct	Austrian Airlines
30 Sep - 02 Oct	Etihad Airways
29 Sep - 02 Oct	Turkish Airlines

Also check the deals for one-way 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 return flights from Tokyo to Barcelona in September from $765

Return flights