River flowing past historic buildings in Galway
Routes

Dublin to Galway

Across Ireland to the west coast by train or bus.

By the Viamo editorial team · Editor Terje Moy · Last updated July 2026 · 6 min read

Fastest ~2h10 by train

At a glance Typical options on this route – details, caveats and booking advice below.
🚆 Train~2h10–15Irish Rail Heuston–Galway, several daily, city centre to centre
🚌 Bus~2h30–3hBus Éireann Expressway; CityLink/GoBus cheaper, incl. from airport
🚗 Car~2h15–2h45M4/M6 motorway, no toll on M6 itself, 220 km

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Dublin to Galway is Ireland's busiest cross-country route, connecting the capital to the gateway of the west coast. The distance by road is about 220 km, and with train, bus and car all well served, you have genuine options — though the train is the most comfortable way to travel for most visitors.

The quickest way: Irish Rail to Galway

Irish Rail (Iarnród Éireann) runs direct services from Dublin Heuston to Galway station, with the fastest trains covering the route in about 2 hours 10–15 minutes. Services run several times a day, with more frequent trains at peak commuter times and a reduced timetable on Sundays.

Dublin Heuston is on the south bank of the Liffey in the west of the city, well connected by the Red Luas tram line. Galway station sits in the city centre, a short walk from Eyre Square and the main shopping streets. The train travels west through the Midlands — flat bogland and farmland giving way to Connaught stone walls and Atlantic light as you approach the coast.

Advance tickets are cheapest and should be booked via the Irish Rail website or app. Walk-on fares cost more. There is no compulsory seat reservation on most services, but the trains can be busy on Friday afternoons and Sunday evenings when students and commuters fill the carriages — booking ahead is sensible at these times.

Tip: If you are heading beyond Galway to the Aran Islands, the ferry terminal is at Rossaveel, about 40 minutes west of the city by bus. Galway also makes an excellent base for day trips into Connemara and the Burren.

The cheapest way: Bus Éireann and private coaches

Bus Éireann runs an Expressway service from Dublin's Busáras (Central Bus Station) to Galway Coach Station on Fairgreen Road, with a journey time of around 2h30–3h. Fares are often lower than equivalent train tickets, particularly for walk-up journeys.

Private coach operators including CityLink and GoBus also run frequently between Dublin and Galway, with CityLink in particular known for competitive prices and multiple daily departures from various Dublin pick-up points, including the airport. If you are arriving at Dublin Airport, a direct coach to Galway without going into the city centre first can save a lot of time and hassle.

Journey times on coaches vary with traffic — the M6 motorway is smooth under normal conditions, but delays around Dublin's western suburbs can add thirty minutes or more at busy periods.

Driving: the M6 motorway

The drive from Dublin to Galway follows the M4 and then the M6 motorway, with a mostly straight run across the Irish Midlands. The distance is about 220 km and the journey takes approximately 2h15–2h45 in reasonable conditions. There are no tolls on the Galway-bound stretch of the M6 itself, though the M4 section west of Dublin passes through the West-Link toll barrier.

A car is very useful in Galway if you plan to explore the surrounding landscape — Connemara, the Aran Islands ferry at Rossaveel, and the Burren in County Clare are all significantly easier to access with your own wheels. Parking in Galway city centre is available but limited; most visitors use the park-and-ride facilities or the public car parks near the station.

Which should you choose?

The Irish Rail train is the most comfortable option and arrives right in the city centre in around two hours, making it the natural choice for most visitors. The coach is worth considering if price is the priority, if you are starting from Dublin Airport, or if you prefer the flexibility of more frequent departures — CityLink in particular runs several times a day at competitive fares. Driving makes sense if you plan to explore the west of Ireland by road, travel with a group, or carry substantial luggage.

Getting to Dublin Heuston and finding your platform

Heuston station can feel a little confusing on a first visit — it is a large terminus with a mix of long-distance and commuter platforms, and the departure boards are worth checking as soon as you arrive rather than waiting until minutes before your train. Ticket barriers open shortly before departure, and there is a reasonable range of coffee shops and a small supermarket for picking up snacks, since there is no dedicated buffet trolley on all services. If you are coming from the airport, the 782 Aircoach or a taxi are usually more direct than trying to combine several local buses and the Luas.

At the Galway end, the station opens straight onto Eyre Square, so there is no need to plan a transfer — most city-centre hotels and guesthouses are within a ten-minute walk.

Luggage and comfort on each option

Irish Rail carriages have reasonable overhead racks and dedicated luggage areas near the doors, which suit a couple of suitcases without difficulty; the walk from Heuston's concourse to the platform is level and manageable with wheeled bags. Coaches generally have a hold under the vehicle for large luggage, which is helpful if you are travelling with more than a small bag, though you should confirm any per-passenger limit with the operator before travelling, particularly with CityLink and GoBus in peak summer when coaches run fuller. If you are driving, luggage obviously is not a concern, but do note that some Galway city-centre car parks have height barriers that catch out larger SUVs and vans — check before you arrive if you are in a rented vehicle.

Seasonal considerations

Summer weekends and the week of the Galway Races (typically late July/early August) see the heaviest demand on all three options — trains and coaches can sell out, and the M6 can back up around the city on race days. Booking a few days ahead is sensible at these times. Winter travel is usually straightforward, though storms occasionally affect Atlantic-facing parts of the west coast; road closures are rare on the M6 itself but always worth checking if severe weather warnings are in place for Galway and Mayo.

Common mistakes to avoid

The most frequent error is confusing Dublin's stations — long-distance trains to Galway leave from Heuston, not Connolly, which serves the northbound and DART lines. Arriving at the wrong station with only a few minutes to spare can mean missing your train entirely, since the two stations are a fair walk or a short Luas ride apart. Another common slip is assuming coach and train fares are directly comparable without checking whether you have booked an advance or a walk-up fare — the gap between the two can be significant, especially on the train.

Frequently asked questions

How long is the train from Dublin to Galway?

The fastest Irish Rail services take about 2 hours 10–15 minutes from Dublin Heuston to Galway, with most journeys falling in that range. Sunday services are slightly slower.

Is there a direct bus from Dublin Airport to Galway?

Yes. CityLink and GoBus both run direct coach services from Dublin Airport (Terminal 1 and Terminal 2) to Galway city centre, taking roughly 2h30–3h depending on traffic. This avoids having to travel into Dublin city first.

Do trains between Dublin and Galway require booking ahead?

No reservation is strictly required, but booking ahead via Irish Rail is strongly advised on Fridays, Sunday evenings, and during school holidays, when trains fill up and advance fares are cheaper than walk-on prices.

Can I reach the Aran Islands from Galway?

Yes. Ferries to the Aran Islands run from Rossaveel, about 40 km west of Galway, and are the main way to reach the islands. A bus from Galway city connects to the ferry terminal. There are also seasonal light aircraft services from Connemara Airport.

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