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

Return flights

28 Aug - 04 Sep	American Airlines
27 Aug - 15 Sep	Finnair
28 Aug - 11 Sep	Finnair
28 Aug - 08 Sep	Finnair
28 Aug - 09 Sep	Finnair
28 Aug - 10 Sep	Finnair
27 Aug - 09 Sep	Finnair
27 Aug - 10 Sep	Finnair
27 Aug - 04 Sep	Finnair
27 Aug - 03 Sep	Iberia
28 Aug - 31 Aug	Finnair
27 Aug - 31 Aug	Finnair
29 Aug - 31 Aug	Finnair
26 Aug - 31 Aug	Finnair
25 Aug - 31 Aug	KLM
12 Aug - 18 Aug	Air Europa
27 Aug - 30 Aug	Ryanair
26 Aug - 29 Aug	Iberia Express
21 Aug - 29 Aug	British Airways
18 Aug - 25 Aug	Finnair

Also check the deals for one-way flights from Madrid to New York in August.

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 August from 368€

Return flights