Journey information
Overview: Train from Cardiff to Dunstable
Trains from Cardiff to Dunstable run on average 20 times per day, taking around 3h 25m. Cheap train tickets for this journey start at £47 if you book in advance.
The earliest train runs at 08:00, the last at 13:50. The fastest train covers the 189 km distance in 3h 25m.
Distance 189 km |
Average train duration 3h 25m |
Cheapest ticket price £47 |
Trains per day 20 |
Fastest train 3h 25m |
First train 08:00 |
Last train 13:50 |
Train companies: Great Western Rail from Cardiff to Dunstable trainsGreat Western Rail trains will get you between Cardiff and Dunstable from £47. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
FAQs: Cardiff to Dunstable train
Find answers to the most common questions about traveling from Cardiff to Dunstable by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Dunstable, this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in Cardiff and Dunstable
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Free Wi-Fi in the station.
- Type of shops available: News agent and convenience store
- Car Park: Brewery Car park
- Gourmet Coffee Bar & Kitchen
- Pret a Manger
- Tesco Express
- Taxi: Taxi rank is on the right as you exit the main station entrance
- There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
- Toilets Location: The toilets are located on Platforms 1 to 8. The National Key toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- National key toilets location: The National Key/Accessible toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a RADAR key and are only available during staffing hours.
- Baby changing facilities: Yes
- Clayton Hotel Cardiff
- Cardiff Marriott Hotel
- Travelodge Cardiff Central
- Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Storage sheltered: Yes
- Storage location: East end of platforms 1 and 2, 3 and 4, 6 and 7 - also at the front and rear of the station.
- Storage CCTV: Yes
- Commuter rail lines: City Line, Rhondda Line, Rhymney Line, Valley Line, South Wales Main Line
- Train lines: Transport for Wales, CrossCountry, Great Western Railway
- Location for Rail Replacement Services: At the rear car park (Penarth Road entrance)
Most popular train connections from Cardiff
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