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

Return flights

04 May - 11 May	Air Canada
01 May - 06 May	Air Canada
18 May - 25 May	Air Canada
10 May - 24 May	Air Canada
03 May - 23 May	United
13 May - 18 May	Air Canada
01 May - 23 May	Air Canada
06 May - 30 May	Air Canada
08 May - 30 May	Air Canada
01 May - 15 May	Air Canada
30 May - 13 Jun	Air Canada
22 May - 13 Jun	Iberia
20 May - 13 Jun	Iberia
25 May - 08 Jun	United
24 May - 13 Jun	Air Canada
15 May - 06 Jun	Air Canada
23 May - 13 Jun	Air Canada
29 May - 07 Jun	Air Canada
31 May - 06 Jun	Air Canada
29 May - 07 Jun	Aer Lingus	direct

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 284€

Return flights