Norwegian Airlines via ShermansTravel offers Norwegian Airlines Roundtrip Flights to London from select cities in the U.S., with prices starting from $134.90. (On the ShermansTravel landing page, click on "" in the main paragraph to see this offer.) This price is based on departure on January 17, 2018 from Boston, MA, (BOS) with arrival in London, England, (LGW). That's the best price we could find for select routes by at least $65. Book this travel deal by September 30.

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