Cheapest month
Up to 94%The cheapest time to travel is April (€3.61); the most expensive is May (€7.01).
Trains from Dún Laoghaire to Carlow
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- Average duration 2h 28m
- Connections per day 3
- Distance 73 km
- CO₂ per person 1 kg
train from Dún Laoghaire to Carlow
The journey from Dún Laoghaire to Carlow is about 73 km. On average a train trip takes 2h 28m with 3 connections per day.
| Trip duration | 2h 28m |
|---|---|
| Connections per day | 3 |
| First departure | 12:38 PM |
| Last departure | 05:18 PM |
| Distance | 73 km |
| Departure | Dún Laoghaire |
| Arrival | Carlow |
| Travel operator | Irish Rail Irish Rail |
When to book from Dún Laoghaire to Carlow
These tips come from historical prices — how the average fare changes with how far ahead you book and the month you travel.
What historical fares show
Short takeaways based on median fares from Virail searches on this route — useful for seasonality and longer-run trends.
According to Virail’s historical fare data, April is typically the cheapest month to travel from Dún Laoghaire to Carlow by train, with medians around €3.61 versus about €7.01 in May (roughly a 94% swing).
Best month to book
Compare average prices by month and book when it suits you.
Carriers on this route
Learn more about carriers on this route.
Irish Rail is the national railway operator in Ireland, providing passenger services throughout the country. With an extensive network spanning over 2,400km of railway lines, Irish Rail connects major cities and villages like Dublin, Cork, Galway, and Limerick. The company operates a modern fleet of trains, including intercity and commuter services such as InterCity, Commuter and DART, and provides various ticket options to accommodate different needs and budgets.
CO₂ emissions by mode
train 5.11kg
bus 5.48kg
flight 14.6kg
carpool 11.68kg
How much CO₂ is emitted travelling by train from Dún Laoghaire to Carlow?
The train journey between Dún Laoghaire and Carlow emits 5.11kg of CO₂.
How much CO₂ do I save by taking the train between Dún Laoghaire and Carlow?
Taking the train between Dún Laoghaire and Carlow saves 9.49kg of CO₂ compared to a flight, 0.37kg compared to the bus and 6.57kg compared to the car.
FAQ
Dún Laoghaire and Carlow are 73 km apart.
The journey from Dún Laoghaire to Carlow takes about 2h 28m on average. The fastest option takes 2h 24m.
This route is served by 1 operators: Irish Rail.
There are about 3 connections per day from Dún Laoghaire to Carlow.
The first train from Dún Laoghaire to Carlow leaves at 12:38 PM. Check times on your travel date.
The last train from Dún Laoghaire to Carlow leaves at 05:18 PM. Check times on your travel date.
There are about 0 direct connections from Dún Laoghaire to Carlow.
The shortest train journey between Dún Laoghaire and Carlow takes 2h 24m.
Yes, there is a direct train between Dún Laoghaire and Carlow.
The train journey from Dún Laoghaire to Carlow generates 1 kg of CO₂.
According to Virail’s historical fare data, April is typically the cheapest month, with medians around €3.61, while May is among the most expensive (about €7.01).