Please find below some links that you may find useful:-

Car Hire

http://www.rentalscout.net

Flights

http://www.flybe.com

http://www.mytravel.com

http://www.ryanair.com

http://www.thomsonfly.com/en/index.html

http://www.easyjet.com/en/book/index.asp

http://www.jet2.com

http://www.flymonarch.com

http://www.flybmi.com/bmi/en-gb/index.aspx

http://www.bmibaby.com/bmibaby/en/index.aspx

http://www.britishairways.com/travel/fx/public/en_us

http://www.aena.es/csee/Satellite?pagename=Home&lang=EN_GB   (Spanish Airport info)

Ferry

http://www.brittany-ferries.co.uk

http://www.poferries.com/

Car

http://www.theaa.com/travelwatch/planner_main.jsp

http://www.viamichelin.com/viamichelin/gbr/tpl/hme/MaHomePage.htm

http://www.rac.co.uk/web/routeplanner

http://www.aumar.es/menu.html  (Spanish motorway info)

Rail

http://www.nationalrail.co.uk

http://www.railpass.com

http://horarios.renfe.es/hir/ingles.html (Spanish trains info)