http://www.aerlingus.com/cgi-bin/obel01im1/bookonline/index.jsp
prova a vedere anche queste
www.skyscanner.com
http://www.ryanair.com/site/IT/
www.easyjet.com
http://www.flylc.com/directall-it.asp
per dormire
www.hostelworld.com
www.hostelbookers.com