AirHint found the following cheapest return flights from New York (JFK) to Madrid (MAD) in May 2026 (see full year).

Return flights

10 May - 19 May	TAP
03 May - 10 May	TAP
13 May - 18 May	Finnair
12 May - 18 May	Finnair
04 May - 11 May	Finnair
06 May - 14 May	TAP
06 May - 13 May	TAP
03 May - 16 May	TAP
14 May - 25 May	TAP
13 May - 17 May	Finnair
12 May - 06 Jun	Finnair
19 May - 03 Jun	Iberia	direct
16 May - 02 Jun	Iberia	direct
10 May - 13 Jun	Iberia	direct
21 May - 02 Jun	Iberia	direct
12 May - 06 Jun	Iberia	direct
14 May - 06 Jun	TAP
20 May - 13 Jun	British Airways	direct
16 May - 06 Jun	Iberia	direct
14 May - 06 Jun	Iberia	direct

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

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 Madrid in May from $323

Return flights