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

Return flights

09 Mar - 16 Mar	United
03 Mar - 15 Mar	United
21 Mar - 29 Mar	Air Canada
08 Mar - 15 Mar	United
24 Mar - 09 Apr	United
19 Mar - 11 Apr	Air Canada
26 Mar - 07 Apr	Air Canada
05 Mar - 12 Mar	United
18 Mar - 23 Mar	Delta
18 Mar - 25 Mar	Delta
06 Mar - 13 Mar	Delta
05 Mar - 10 Mar	Delta
19 Mar - 23 Mar	Delta
31 Mar - 25 Apr	United
28 Mar - 04 Apr	Delta
25 Mar - 04 Apr	Delta
29 Mar - 05 Apr	Air Canada
31 Mar - 05 Apr	Lufthansa
26 Mar - 18 Apr	Air Canada
29 Mar - 04 Apr	Air Canada

Also check the deals for one-way flights from New York to Dublin in March.

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 March from $344

Return flights