Qatar Airways : Up To 10% Off Flights From Ireland. Qatar Airways is pleased to offer a fantastic discount this summer for customers traveling from Ireland. Fly from Dublin, Cork or Shannon to some of our most popular destinations worldwide. Discounts: 5% off Promotional Economy Class fares Economy Promo. 10% off all other Fares. Terms & Conditions: Sales period from now until 23rd July 2016 inclusive. Travel period from now until 31st March 2017 inclusive.