AirHint found the following cheapest return flights from New York (JFK) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

10 Sep - 07 Oct	TAP
09 Sep - 23 Sep	TAP
01 Sep - 18 Sep	TAP
25 Sep - 04 Oct	TAP
26 Sep - 04 Oct	TAP
12 Sep - 21 Sep	TAP
19 Sep - 28 Sep	TAP
29 Sep - 06 Oct	TAP
10 Sep - 16 Sep	TAP
06 Sep - 13 Sep	TAP
03 Sep - 10 Sep	TAP
09 Sep - 17 Sep	TAP
22 Sep - 28 Sep	TAP
09 Sep - 16 Sep	TAP
17 Sep - 04 Oct	TAP
30 Sep - 10 Oct	TAP
25 Sep - 02 Oct	TAP
28 Sep - 05 Oct	Icelandair
30 Sep - 10 Oct	Delta	direct
29 Sep - 06 Oct	Delta	direct

Also check the deals for one-way flights from New York to Amsterdam 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 New York to Amsterdam in September from $413

Return flights