How can I travel from Ireland to the UK?

To travel from Ireland to the UK, you can take a flight, ferry, or train. Flights are the quickest option, with several airlines offering direct flights between major cities in Ireland and the UK. Ferries are another popular choice, with regular services operating between ports in Ireland and the UK. Trains are also available, with the Eurostar connecting London to cities in France and Belgium, where you can transfer to trains to Ireland. Make sure to check for any travel restrictions or requirements before you go.