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

Return flights

16 Sep - 22 Sep	Delta
23 Sep - 28 Oct	Delta
17 Sep - 24 Sep	Delta
17 Sep - 15 Oct	Delta
16 Sep - 12 Oct	Delta
29 Sep - 16 Oct	Delta
23 Sep - 24 Oct	Delta
22 Sep - 05 Oct	Delta
24 Sep - 06 Oct	Delta
18 Sep - 24 Sep	Air France
29 Sep - 17 Oct	Delta
25 Sep - 28 Sep	Delta
29 Sep - 24 Oct	Delta
19 Sep - 26 Sep	Delta
19 Sep - 28 Sep	Delta
19 Sep - 30 Sep	Delta
20 Sep - 27 Sep	Delta
24 Sep - 27 Oct	Delta
17 Sep - 24 Sep	KLM	direct
20 Sep - 24 Sep	Delta

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 803€

Return flights