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

Return flights

07 May - 16 May	Icelandair
05 May - 19 May	United
11 May - 26 May	Air Canada
10 May - 14 May	TAP
14 May - 23 May	TAP
13 May - 23 May	TAP
20 May - 27 May	SWISS
15 May - 23 May	TAP
24 May - 31 May	TAP
26 May - 16 Jun	SWISS
23 May - 30 May	Delta
25 May - 15 Jun	United
28 May - 12 Jun	TAP
28 May - 02 Jun	SWISS

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 349€

Return flights