AirHint found the following cheapest return flights from Tokyo (HND) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

24 Sep - 08 Oct	Emirates
30 Sep - 22 Oct	ITA Airways
26 Sep - 28 Sep	Emirates
05 Sep - 10 Sep	Emirates
26 Sep - 03 Oct	Emirates
10 Sep - 10 Sep	Emirates
03 Sep - 08 Sep	Emirates
06 Sep - 10 Sep	Emirates
01 Sep - 08 Sep	Emirates
02 Sep - 09 Sep	Lufthansa
09 Sep - 02 Oct	ITA Airways
12 Sep - 24 Sep	Air Canada
12 Sep - 19 Sep	Emirates
01 Sep - 30 Sep	KLM
20 Sep - 03 Oct	Emirates

Also check the deals for one-way flights from Tokyo to Buenos Aires 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 Buenos Aires in September from $2035

Return flights