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

Return flights

03 May - 23 May	Icelandair
17 May - 23 May	Icelandair
14 May - 28 May	Icelandair
14 May - 18 May	Icelandair
10 May - 30 May	Icelandair
05 May - 30 May	Icelandair
16 May - 23 May	Icelandair
12 May - 21 May	Air Canada
08 May - 23 May	Icelandair
02 May - 16 May	Icelandair
11 May - 06 Jun	TAP
15 May - 06 Jun	Icelandair
20 May - 13 Jun	British Airways
14 May - 06 Jun	Icelandair
19 May - 13 Jun	TAP
22 May - 01 Jun	Scandinavian Airlines
29 May - 10 Jun	Icelandair
02 May - 13 Jun	TAP
21 May - 13 Jun	TAP
30 May - 12 Jun	Icelandair

Also check the deals for one-way flights from Newark to Barcelona 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 Barcelona in May from $362

Return flights