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

Return flights

09 Sep - 18 Sep	Air China
10 Sep - 17 Sep	China Southern
11 Sep - 15 Sep	Air China
09 Sep - 15 Sep	T'way Air
08 Sep - 16 Sep	China Southern
08 Sep - 12 Sep	China Southern
11 Sep - 14 Sep	Air China
08 Sep - 15 Sep	China Southern
11 Sep - 16 Sep	Air China
10 Sep - 16 Sep	Air China
22 Sep - 14 Oct	Air China
18 Sep - 01 Oct	Air China
20 Sep - 01 Oct	Air China
19 Sep - 02 Oct	Air China
29 Sep - 03 Oct	Air India
22 Sep - 06 Oct	Air China
10 Sep - 06 Oct	Air China
11 Sep - 05 Oct	China Eastern
28 Sep - 04 Oct	Scoot
24 Sep - 01 Oct	Air China

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 $764

Return flights