Dublin to Belfast Rail: Train, Bus or Car

Dublin to Belfast rail is simple, and the train is usually the easiest way to reach the city centre. This guide compares it with the coach and the car on five points.

Time and frequency: Dublin to Belfast rail vs coach and car

The Enterprise train is the fastest public way north, and it runs every hour. Irish Rail's timetable lists 15 services from Monday to Saturday and 8 on Sunday. On weekdays the first train leaves Dublin Connolly at 05:50 and the last at 20:50. The ride takes between 2 hours 8 minutes and 2 hours 18 minutes, as Irish Rail's timetable page lists. The train stops at Drogheda, Dundalk, Newry and Portadown before Belfast Grand Central.

The times above are valid from 14 December 2025. Irish Rail says its autumn 2026 timetables are coming, so check the Journey Planner for your day. For city rides on the DART or Luas, see this guide to the Dublin train, tram and bus network.

Bus travel is the other public choice. Aircoach runs route 705X between Dublin and Belfast via Dublin Airport, and its timetable page lists 34 daily services to and from Belfast. That page does not show a journey time, so this guide gives none. By road, the drive is about 169 km and about 1 hour 46 minutes without traffic, as a mapping estimate.

Pro Tip On weekdays the last train home leaves Belfast Grand Central at 21:00 and reaches Connolly at 23:13, so a day trip can run into the evening.

Cost and tickets: train vs coach vs car

The train has no single published price from Connolly to Belfast on the pages read, so plan to check the fare yourself. Irish Rail's fares page says its lowest fares are online and in advance. It also says children under 5 travel free and a child ticket covers ages 5 to under 19. Those fares are for trips that start in the Republic of Ireland. If you go to Northern Ireland and come back by train, the page recommends a return ticket.

Aircoach's fare is not on the Aircoach timetable page, so check it when you book. The same goes for the train: no official page read shows the price, so look it up in the Journey Planner for your date. The car has no ticket, but fuel, parking and any rental costs are yours. No official page gives one figure for them.

A rail tour bundles the pieces for people who want one booking, and the day tours later in this guide bundle the coach and the entries. Prices are the "from" prices on the cards. The Belfast and Giant's Causeway 2-day rail tour is run by Railtours Ireland First Class and starts at Connolly Station. It costs from €78 per person, rated 4.6 from only 9 reviews. The listing says it includes transfers, tours, admissions and one night in a four-star Belfast city centre hotel with breakfast. Meals other than breakfast on day 2 are not included. The listing gives no group size beyond "small group".

Start and end points: Connolly vs airport coach vs your own car

The train starts at Dublin Connolly and ends at Belfast Grand Central, so it suits you if you sleep in the city centre. The timetable notes a Luas tram link to Connolly and a bus connection to Dublin Airport nearby. It also says to allow one hour between Heuston and Connolly when you use Luas or a bus.

Aircoach starts in Dublin city and passes Dublin Airport. That makes the bus handy if you land at the airport and want to head north without going into town first. The page read does not name the Belfast stop.

With a car you start and finish where you like. The honest limit of the train is that it ends in Belfast, so it does not help if your plan is a drive along the coast or a trip to a small town.

Border rules and money: train vs coach vs car

All three ways cross the same line, and the rules for you do not change with the vehicle. There are no immigration controls on the land border between Ireland and Northern Ireland. The UK Home Office factsheet says that everyone arriving in Northern Ireland must still meet UK Immigration Rules. That includes an Electronic Travel Authorisation (ETA), a digital permit, if your nationality needs one.

British and Irish citizens do not need an ETA, including dual citizens. Visitors from outside the Common Travel Area (Ireland and the UK), for example from the United States, need one before the trip. Legal residents of Ireland from visa-exempt nationalities do not need one if they can show proof of residency. Apply before you travel and check the factsheet for your own case. No official page read says what ID to show on the land border, so check the rules for your nationality, and carry your passport as proof of who you are.

Northern Ireland uses pounds sterling, not the euro. Tourism Northern Ireland says that Visa and Mastercard, including contactless, are in general use. Some larger shops take euros, but smaller businesses may not or may give a poor rate.

Key Takeaway The train takes you to Belfast city, and the ETA and sterling rules apply on every route, so sort them out before you leave Dublin.

After Belfast: Giants Causeway tour vs doing it alone

A tour is the easier way to reach the coast, because the Enterprise line ends in Belfast. This guide found no official page for a train or bus link from Belfast Grand Central to the Causeway, so it does not describe one. The Giants Causeway day tours from Dublin do the whole trip in one day. Doing Belfast alone by train is enough. Doing the coast alone is hard, because no published public link reaches it, so a tour is the practical choice there.

Things to Do in Dublin's count of GetYourGuide listings on 25 October 2026 found 19 listings that name Belfast or the Giants Causeway in the title, and 18 of them have free cancellation. The 17 priced per person run from €63.75 to €913.

The best way across the border is the one that fits where you want to end the day.

The Giant's Causeway, Dark Hedges and Belfast day tour is run by Finn McCools Tours and lasts 12 hours. It costs from €80 per person, rated 4.8 from 10,124 reviews, with free cancellation. It meets at Charlemont House on Parnell Square North, has no hotel pickup and is not suitable for people with mobility impairments. Entry to Titanic Belfast, hotel pickup, food and drinks are not included, and the listing gives no group size. It includes the coach, live commentary and a guide.

If you also want the Titanic museum, the Giant's Causeway and Titanic Belfast tour with ticket includes both entries. It lasts 13 to 14 hours and costs from €95 per person, rated 4.7 from 1,838 reviews, with free cancellation. It meets at the same Parnell Square point, has no hotel pickup, does not include lunch and gives no group size. Titanic Belfast's own site lists an adult ticket at £24.95 online, so the included entry saves you a separate booking.

Check the weather before you book. On 25 October 2026 the National Trust page showed the Visitor Experience closed all day for high winds, while the coastline stayed open from dawn to dusk.

Prices and ratings as shown on GetYourGuide on 25 October 2026.