Lufthansa via DealBase offers Lufthansa Roundtrip Flights to Europe with prices starting from $423.82. (On the DealBase landing page, click on "Lufthansa Airlines" in the top line to see this sale.) That's the lowest price we could find for select routes on Lufthansa by at least $377. This price is valid on flights departing on April 24 from Boston, MA, (BOS) with arrival in Madrid, Spain, (MAD) and return on May 2. This sale includes flights to Paris, France, (CDG); Barcelona, Spain, (BCN); Berlin, Germany, (BER); Frankfurt, Germany, (FRA); and more. Book this travel deal by March 15 for travel from April 7 through October 30.

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