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

Return flights

19 May - 03 Jun	Aer Lingus
03 May - 12 May	Scandinavian Airlines
08 May - 22 May	SWISS
18 May - 02 Jun	Aer Lingus
05 May - 12 May	TAP
10 May - 30 May	TAP
11 May - 06 Jun	TAP
11 May - 15 May	TAP
15 May - 25 May	TAP
16 May - 06 Jun	British Airways
21 May - 25 May	TAP
22 May - 25 May	Scandinavian Airlines
22 May - 31 May	Aer Lingus
23 May - 13 Jun	Aer Lingus
25 May - 20 Jun	Scandinavian Airlines
21 May - 04 Jun	TAP
22 May - 06 Jun	TAP
15 May - 25 May	Lufthansa	direct
11 May - 06 Jun	SWISS	direct
19 May - 03 Jun	Lufthansa	direct

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Newark to Madrid in May from $379

Return flights