Norwegian Airlines via ShermansTravel offers Norwegian Airlines 1-Way Flights to Ireland from select cities in the U.S., with prices starting from $99. (On the ShermansTravel landing page, click on "website" in the top paragraph to see this sale.) That's the lowest price we could find for select routes by at least $60. This price is based on departure on April 2 from Newburgh, NY, (SWF) with arrival in Dublin, Ireland (DUB). Note that this airline is a "non-bundle" airline, so seat reservation and luggage costs are additional. Book this travel deal by March 17. All prices, dates, and booking details were valid at the time of publication.