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

Return flights

05 May - 12 May	Lufthansa
05 May - 12 May	Aer Lingus	direct
05 May - 11 May	United
03 May - 11 May	United
03 May - 12 May	United
04 May - 11 May	United
02 May - 09 May	United
04 May - 10 May	Air France	direct
03 May - 10 May	Delta	direct
03 May - 11 May	Air France	direct
22 May - 02 Jun	Air Canada
12 May - 03 Jun	jetBlue	direct
29 May - 01 Jun	Air Canada
26 May - 09 Jun	Air Canada
28 May - 06 Jun	Air Canada
21 May - 05 Jun	Air Canada
24 May - 15 Jun	Air Canada
28 May - 07 Jun	Air Canada
30 May - 06 Jun	Air Canada
28 May - 06 Jun	KLM	direct

Also check the deals for one-way flights from New York 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 New York to Dublin in May from $345

Return flights