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

Return flights

09 May - 16 May	Air Canada
11 May - 18 May	Air Canada
06 May - 13 May	Air France	direct
08 May - 15 May	Air Canada
04 May - 13 May	Air France
19 May - 26 May	Air Canada
04 May - 10 May	Air France
17 May - 24 May	Air Canada
18 May - 30 May	Air Canada
26 May - 02 Jun	Air Canada
27 May - 03 Jun	Air Canada
30 May - 06 Jun	Air Canada
16 May - 23 May	Air Canada
29 May - 05 Jun	Air Canada
27 May - 08 Jun	Air Canada
29 May - 06 Jun	Air Canada
26 May - 02 Jun	Air France	direct
30 May - 06 Jun	Air France	direct
18 May - 02 Jun	Air Canada
27 May - 03 Jun	Iberia	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 304€

Return flights