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

Return flights

06 May - 10 May	Air Canada
07 May - 11 May	United
05 May - 12 May	United
05 May - 14 May	Air Canada
06 May - 30 May	United
06 May - 15 May	Air Canada
20 May - 30 May	Air Canada
20 May - 26 May	Air Canada
21 May - 25 May	Scandinavian Airlines
14 May - 23 May	Scandinavian Airlines
27 May - 03 Jun	Air Canada
24 May - 02 Jun	Air Canada
27 May - 08 Jun	Air Canada
24 May - 06 Jun	Air Canada
20 May - 13 Jun	Air Canada
27 May - 07 Jun	Air Canada
26 May - 09 Jun	Air Canada
30 May - 30 Jun	Air Canada
04 May - 08 Jun	Lufthansa
29 May - 09 Jun	Air Canada

Also check the deals for one-way flights from Newark to Dublin 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 Dublin in May from $347

Return flights