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

Return flights

18 Mar - 30 Mar	Air Canada
31 Mar - 07 Apr	Air Canada
10 Mar - 17 Mar	Aer Lingus	direct
01 Mar - 11 Mar	United
03 Mar - 09 Mar	United
04 Mar - 09 Mar	United
01 Mar - 16 Mar	United
02 Mar - 16 Mar	United
10 Mar - 16 Mar	United
11 Mar - 17 Mar	Icelandair
06 Mar - 16 Mar	Aer Lingus	direct
17 Mar - 02 Apr	United
29 Mar - 09 Apr	United
31 Mar - 08 Apr	United
31 Mar - 10 Apr	United
26 Mar - 01 Apr	Air Canada
28 Mar - 08 Apr	Air Canada
26 Mar - 08 Apr	Air Canada
30 Mar - 06 Apr	Delta
27 Mar - 08 Apr	Air Canada

Also check the deals for one-way flights from Newark 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 Newark to Dublin in March from 288€

Return flights