WOW Air via ShermansTravel offers WOW Air 1-Way Flights to Europe from select cities in the U.S. with prices starting from $45. (On the ShermansTravel landing page, click on "WowAir.US" in the main paragraph to see this sale.) That's the lowest price we've seen for 1-way flights on WOW Air. (It's also the best deal could find for select routes by $167.) This price is valid on flights departing from Boston, MA, (BOS) with arrival in Reykjavik, Iceland, (KEF) on April 19. Note that this airline is a "non-bundle" airline, so seat reservation and luggage costs are additional. Book this travel deal by February 28. All prices, dates, and booking details were valid at the time of publication.