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

Return flights

22 Sep - 29 Sep	LATAM Airlines Group
29 Sep - 06 Oct	KLM
10 Sep - 16 Sep	Air France
01 Sep - 18 Sep	KLM
04 Sep - 06 Oct	Lufthansa
10 Sep - 17 Sep	Air France
16 Sep - 22 Sep	Air Canada
09 Sep - 15 Sep	Air Canada
03 Sep - 24 Sep	Air Canada
03 Sep - 08 Sep	Air Canada
24 Sep - 29 Sep	Air France
15 Sep - 19 Sep	KLM
16 Sep - 08 Oct	Air France
30 Sep - 04 Oct	Air Canada
28 Sep - 05 Oct	Emirates
26 Sep - 24 Oct	KLM

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 1170€

Return flights