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

Return flights

16 Sep - 30 Sep	TAP
24 Sep - 29 Sep	TAP
17 Sep - 27 Sep	TAP
17 Sep - 30 Sep	TAP
18 Sep - 27 Sep	TAP
11 Sep - 22 Sep	TAP
17 Sep - 05 Oct	TAP
18 Sep - 29 Sep	TAP
10 Sep - 22 Sep	TAP
23 Sep - 29 Sep	TAP
09 Sep - 22 Sep	TAP
10 Sep - 14 Oct	TAP
18 Sep - 04 Oct	TAP
23 Sep - 15 Oct	TAP
24 Sep - 07 Oct	TAP
15 Sep - 20 Oct	TAP
17 Sep - 02 Oct	TAP
05 Sep - 30 Oct	TAP
16 Sep - 01 Oct	TAP
27 Sep - 12 Oct	Scandinavian Airlines

Also check the deals for one-way flights from Madrid to New York 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 Madrid to New York in September from 335€

Return flights