Aer Lingus via DealBase offers Aer Lingus Roundtrip Flights to Europe with prices starting at $449.82. (On the DealBase landing page, click on "Aer Lingus" in the top line to see this sale.) That's $46 under our September mention and the best price we've seen for Aer Lingus flights to Europe. It's also lowest price we could find for select routes by $123. This price is valid on flights departing on January 18, 2017 from Boston, MA, (BOS) with arrival in London, England, (LGW) and return on January 26, 2017. This sale includes routes to Dublin, Ireland, (DUB); Paris, France, (CDG); Amsterdam, Holland, (AMS); and more. Book this travel deal by November 30 for travel from January 11, 2017 through March 31, 2017.

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