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

Return flights

04 May - 12 May	Air Canada
06 May - 13 May	Air Canada
06 May - 30 May	Air Canada
24 May - 05 Jun	United
23 May - 30 May	Air Canada
17 May - 24 May	Air Canada
25 May - 04 Jun	United
08 May - 16 May	Air Canada
09 May - 16 May	Lufthansa
25 May - 31 May	Lufthansa
15 May - 24 May	Air Canada
19 May - 13 Jun	United
23 May - 06 Jun	Air Canada
20 May - 13 Jun	Lufthansa
13 May - 06 Jun	United
23 May - 07 Jun	Air Canada
16 May - 25 May	Air Transat
30 May - 20 Jun	Lufthansa

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 $351

Return flights