The carrier will operate flights from Glasgow International to Lisbon in Portugal, Palanga in Lithuania, Valencia in Spain and Zadar in Croatia. A further new route from Glasgow Prestwick to Barcelona G will also be added.
The new routes are expected to grow Ryanair’s Glasgow traffic by 18% next year.
Ryanair’s Michael O’Leary said: "We are pleased to launch our biggest ever Glasgow Summer 2017 schedule, which includes four new routes from Glasgow International to Lisbon, Palanga, Valencia and Zadar, and a new route from Glasgow Prestwick to Barcelona G, which will deliver two million customers every year and support around 1,500 jobs at Glasgow and Prestwick airports."
• For more breaking news and in-depth features, sign up to C&IT Magazine's daily Newstracker here