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

Return flights

01 May - 15 May	TAP
02 May - 09 May	Scandinavian Airlines
20 May - 03 Jun	TAP
19 May - 26 May	United
06 May - 19 May	Delta
08 May - 15 May	United
21 May - 31 May	TAP
26 May - 09 Jun	TAP
14 May - 28 May	United
23 May - 06 Jun	Scandinavian Airlines
28 May - 07 Jun	TAP
05 May - 13 May	Lufthansa
19 May - 05 Jun	SWISS
03 May - 17 May	Lufthansa

Also check the deals for one-way flights from Newark 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 Newark to Madrid in May from 392€

Return flights