There are several ways to travel to Ireland, including by plane, train, and car. The most common method of travel is by plane, with many major airlines offering flights to Dublin and Shannon airports. If you're traveling from within Europe, you can also take a train or car to the port cities of Rosslare or Cork and take a ferry to Ireland.
If you're planning to fly to Ireland, you'll likely arrive at Dublin Airport, which is the country's largest airport and a major hub for international and domestic flights. The airport is located about 10 kilometers (6 miles) north of Dublin city center, and there are several options for getting into the city, including by bus, train, taxi, or car rental.
When you landing, Some airlines also offer direct flights to Shannon Airport in County Clare, which is located in the western part of the country and is a popular gateway for visitors to the Burren and the Cliffs of Moher.
You can also Take a ferry from the UK. Irish Ferries and Stena Line are the major companies that operate ferry services between Ireland and the UK. The main ports of departure for ferries to Ireland are Holyhead in Wales and Pembroke in Wales for Rosslare, and Fishguard in Wales for Rosslare or Cork.
Once you have arrived, you have many options to getting around Ireland. Public transport is widely available, with bus and train services connecting most major towns and cities. You can also rent a car to explore the country at your own pace, but please keep in mind that roads can be winding and traffic can be heavy in some areas.
Also, you will need passport or ID card to travel from EU or EEA, and citizens from other countries need a passport and visa.
I hope this information helps you plan your trip to Ireland. Let me know if you have any more questions.