The inaugural flight to Warsaw took off on 30 October, with two further services to Vilnius and Bratislava set to depart on 4 November.
The four new routes, announced by Ryanair in the summer, will be flying twice weekly from Leeds Bradford Airport; operating throughout Winter 2016 and Summer 2017.
This news comes alongside a new route to Gran Canaria, and an increase in flights to some of Ryanair’s existing destinations, as well as new route to Girona next summer.
Overall, Ryanair will grow their LBA capacity by 20% - delivering 1.3m customer a year and supporting 975 jobs at Leeds Bradford Airport.
The additional routes bring the number of Ryanair routes to 25 in total, with 92 weekly flights from Leeds Bradford Airport.
Ryanair’s Robin Kiely said: “We are pleased to launch our new winter routes from Leeds
Bradford Airport, offering a great mix of winter sun and city break destinations for customers in the Yorkshire region.
“The good news is that our four new routes to Bratislava, Gran Canaria, Vilnius and Warsaw will continue into the summer 2017 season, and customers can also book flights on a new summer route to Girona, as we grow our Leeds Bradford traffic by over 20% next year.”
Tony Hallwood, aviation development director, said: “The new services to Bratislava, Gran Canaria, Vilnius and Warsaw are fantastic additions to Ryanair’s flight programme and we are thrilled that the first flights have started this week.
“The growth at Leeds Bradford Airport will deliver more choice for our leisure and business passengers to explore a wider range of travel destinations with increased flight options to suit their needs.
“A 20% increase in Ryanair’s capacity is great news for Leeds Bradford Airport as well as the regional economy and Leeds City Region. We look forward to welcoming passengers flying to these exciting new destinations from LBA.”