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

Return flights

08 May - 12 May	SWISS
05 May - 14 May	jetBlue	direct
02 May - 09 May	Air Canada
08 May - 12 May	Aer Lingus	direct
03 May - 09 May	Aer Lingus	direct
01 May - 08 May	Aer Lingus	direct
02 May - 09 May	Aer Lingus	direct
13 May - 17 May	SWISS
06 May - 30 May	SWISS
07 May - 20 May	SWISS
24 May - 13 Jun	Air Canada
29 May - 08 Jun	Air Canada
22 May - 13 Jun	Air Canada
19 May - 02 Jun	Air Canada
22 May - 05 Jun	Air Canada
30 May - 20 Jun	Iberia
28 May - 14 Jun	Iberia
30 May - 20 Jun	jetBlue	direct
24 May - 13 Jun	Aer Lingus	direct
22 May - 13 Jun	Aer Lingus	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 $340

Return flights