Norwegian Airlines via ShermansTravel offers Norwegian Airlines Roundtrip Flights to Europe from select cities in the U.S. for as low as $339.80. That's the lowest price we could find for select routes by $251. (On the ShermansTravel landing page, click on "Norwegian.com" in the main paragraph to see this offer.) This price is based on departure on January 25, 2016 from New York, NY, (JFK) with arrival in Copenhagen, Denmark, (CPH) and return on February 5, 2016. Book this travel deal by November 30 for travel from January 1, 2016 through February 29, 2016. Other notable fares:

• Las Vegas (LAS) to Stockholm (ARN) from $339.80
• New York (JFK) to London (LGW) from $544.50
• see all available Norwegian Airlines fares

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