Budget airline history aside, Norwegian have begun flights from some US cities to various European destinations. Their gateway cities are New York, Boston, Hartford, Washington DC/Baltimore, Las Vegas, Los Angeles, Orlando and Ft. Lauterdale in the US. Norwegian's hub cities in Europe are Oslo, Bergen, Stockholm, Copenhagen, London (Gatwick) and Paris (CDG and Orly) but fly to many more European cities. Overall, Norwegian flies to over 100 destinations, so this could make international travel much more affordable for those looking to explore 'the other side of the pond'. Trans-Atlantic regular fares on Norwegian seem to start around $150-250 each way inclusive of taxes which is WAY below the major airlines; Special deals drop this even lower!!! Get in quick to book tickets from the USA to Europe for only $65 each way!
Tips: Check out Norwegian's low fares to various Caribbean islands and they also offers cheap flights from Oslo to Bangkok!
Keep an eye out for these great deals like this at MattManyPlaces.com. Keep traveling!