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

Return flights

15 Sep - 16 Oct	Air France
06 Sep - 21 Sep	Air Europa
15 Sep - 15 Oct	Air Europa
14 Sep - 22 Oct	Iberia
15 Sep - 22 Oct	Air Europa
21 Sep - 28 Sep	KLM
30 Sep - 30 Oct	transavia
06 Sep - 20 Sep	KLM
08 Sep - 22 Sep	Air France
20 Sep - 06 Oct	transavia
01 Sep - 30 Sep	Air France
11 Sep - 02 Oct	Air Canada
14 Sep - 24 Sep	Iberia
14 Sep - 27 Sep	Iberia
18 Sep - 25 Oct	transavia
05 Sep - 27 Sep	transavia
09 Sep - 16 Sep	Air France
12 Sep - 03 Oct	KLM
03 Sep - 23 Sep	Air Europa
01 Sep - 25 Oct	Vueling Airlines

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Buenos Aires in September from 877€

Return flights