Below are some links I hope you find useful when visiting Ireland!
Ryanair – Low cost Flights from Europe to Ireland
Aer Lingus – Flights from USA and Europe to Ireland
EasyJet – Low cost flights from Europe to Ireland
Delta – Flights from USA to Ireland
Continental – Flights from USA to Ireland
American Airlines – Flights from USA to Ireland
Kerry Airport – Kerry Airport, Southwest Ireland
Shannon Airport – US and European Flights
Cork Airport – European Flights
Belfast City Airport – European Flights
City of Derry Airport – European Flights
Belfast International Airport – US and European Flights
Irish Road and Rail Transport
Other Great Sites!
For Winter Hikers – http://home.comcast.net/~garyt1/winter.html