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

Return flights

15 May - 23 May	Icelandair
15 May - 24 May	Icelandair
05 May - 19 May	Air Canada
15 May - 22 May	Icelandair
05 May - 12 May	Air Canada
06 May - 13 May	Aer Lingus
19 May - 03 Jun	Aer Lingus
02 May - 09 May	TAP
07 May - 14 May	TAP
21 May - 25 May	Scandinavian Airlines
15 May - 19 May	Scandinavian Airlines
11 May - 06 Jun	TAP
16 May - 02 Jun	Air Canada
20 May - 11 Jun	British Airways
19 May - 02 Jun	TAP
25 May - 05 Jun	TAP
27 May - 02 Jun	TAP
22 May - 06 Jun	Scandinavian Airlines
29 May - 10 Jun	TAP
30 May - 12 Jun	TAP

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 $379

Return flights