Aer Lingus via DealBase offers Aer Lingus Roundtrip Flights to Europe with prices starting at $344.19. (On the DealBase landing page, click on "Aer Lingus" in the top line to see this sale.) That's tied with our expired mention from last week as the lowest price we've seen for roundtrip flights on Aer Lingus. (It's the best deal for select routes today by at least $116.) This price is valid on flights from Newark, NJ (EWR) with arrival in Dublin, Ireland, (DUB) departing on April 29 and return on May 12. Book this travel deal by April 25 for travel through June 30.

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