Aer Lingus via DealBase offers Aer Lingus Roundtrip Flights to Ireland with prices starting at $462.04. (On the DealBase landing page, click on "Aer Lingus" in the top line to see this sale.) That's the lowest price we could find for select routes by at least $80. This price is valid on flights from Boston, MA (BOS), with arrival in Dublin, Ireland, (DUB) departing on April 9 and return on April 16. Book this travel deal by February 14 for travel from April 1 through June 15.

All prices, dates, and booking details were valid at the time of publication.