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

Return flights

06 May - 19 May	Aer Lingus
05 May - 12 May	Aer Lingus
18 May - 02 Jun	Air Canada
19 May - 02 Jun	Air Canada
19 May - 04 Jun	Air Canada
14 May - 20 May	TAP
12 May - 21 May	Air Canada
04 May - 14 May	Finnair	direct
11 May - 19 May	Air Canada
19 May - 26 May	Air Canada
05 May - 12 May	Iberia	direct
20 May - 26 May	Aer Lingus
07 May - 10 May	TAP
21 May - 04 Jun	Air Canada
21 May - 08 Jun	TAP
19 May - 02 Jun	Finnair	direct
31 May - 10 Jun	Air Canada
18 May - 02 Jun	Iberia	direct
19 May - 04 Jun	British Airways	direct
31 May - 10 Jun	Iberia	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.

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Cheapest return flights from Newark to Madrid in May from $401

Return flights