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

Return flights

11 Sep - 24 Sep	LATAM Airlines Group
16 Sep - 23 Sep	LATAM Airlines Group
26 Sep - 10 Oct	Zipair
03 Sep - 10 Sep	LATAM Airlines Group
18 Sep - 22 Sep	Qatar Airways
19 Sep - 29 Sep	Air Canada
05 Sep - 10 Sep	Air Canada
16 Sep - 25 Sep	Air Canada
08 Sep - 10 Sep	Qatar Airways
20 Sep - 27 Sep	Qatar Airways
13 Sep - 22 Sep	Qatar Airways
28 Sep - 05 Oct	SWISS

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 $1368

Return flights