WOW Air via ShermansTravel offers WOW Air 1-Way Flights to Europe from select cities in the U.S. with prices starting from $99.99. (On the ShermansTravel landing page, click on "here" in the main paragraph to see this sale.) That's the lowest price we could find for select routes today by at least $153. This price is valid on flights departing from Chicago, IL, (ORD) with arrival in Reykjavik, Iceland, (KEF) on March 19. Note that this airline is a "non-bundle" airline, so seat reservation and luggage costs are additional. Book this travel deal by March 31 for travel through October 2.

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