In 2008 , Ryanair threatened to cancel all bookings made on Ryanair flights made through metasearch engines .
In 2008 , Ryanair later allowed the sites to operate as long as they did not resell tickets or overload Ryanair 's servers .
In 2008 , Ryanair threatened to cancel all bookings made on Ryanair flights made through metasearch engines , but later allowed the sites to operate as long as they did not resell tickets or overload Ryanair 's servers .