- Recommended
The Royal Welch Fusiliers Museum
Small local museum in the old courthouse, covering Caernarfon’s civic history, social life, and the story of the old gaol.
The table below shows live departures for Cardiff to Caernarfon trains for today, Saturday, September 26. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 1:25 PM Cardiff | 4h25 | 5:50 PM Caernarfon | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Trains from Cardiff to Caernarfon run on average 14 times per day, taking around 4h 16m. Cheap train tickets for this journey start at €65 if you book in advance.
There are 6 trains per day. The earliest train runs at 04:44, the last at 21:35. The fastest train covers the 123 miles (199 km) distance in 4h 1m.
Distance 123 miles (199 km) |
Average train duration 4h 16m |
Cheapest ticket price €65 |
Trains per day 14 |
Direct trains 6 |
Fastest train 4h 1m |
First train 4:44 AM |
Last train 9:35 PM |
Cheapest Month Aug |
Cheapest Day Thu |
High Season Jan - Mar |
Low Season Oct - Dec |
Best time to book 6 days |
Discover the best of Caernarfon — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Caernarfon trip today.
Small local museum in the old courthouse, covering Caernarfon’s civic history, social life, and the story of the old gaol.
Gallery and museum space celebrating Welsh writer Sir Kyffin Williams through paintings, drawings, and changing displays.
Community arts venue and gallery in nearby Bangor with exhibitions, talks, and contemporary visual art in a public setting.
Attractive waterfront promenade by the Menai Strait, popular for walking, harbour views, and seeing the castle from the quay.
Historic shopping street inside the walls with colourful buildings, independent shops, and an authentic old-town atmosphere.
Central square and gathering place framed by historic buildings, often lively during markets, events, and daily town life.
Traditional Welsh soup of leeks, potatoes and lamb or beef stock. It is closely linked to Welsh home cooking and often served on St David’s Day.
Seaweed purée simmered for hours, traditionally served with oats and bacon. A classic Welsh coastal food with deep roots in north and west Wales.
Welsh rarebit is toasted bread topped with a savoury cheese and ale sauce. It is a beloved pub and café dish across Wales.
Stylish restaurant focused on seafood and contemporary British cooking, with castle views and a polished but welcoming feel.
Historic inn and restaurant serving hearty Welsh and British classics with a traditional pub atmosphere inside the walled town.
Well-known local café and deli for Welsh breakfasts, cakes and light lunches, with a casual atmosphere in the town centre.
Moderate for the UK. Hotels and dining are mid-priced, while local buses and castle entry keep sightseeing costs manageable.
Service is sometimes included. If not, tip 10-12.5% in restaurants for good service. Taxis are often rounded up. Tipping in cafes is optional.
Find answers to the most common questions about traveling from Cardiff to Caernarfon 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 Caernarfon, this guide helps you travel smarter and with confidence.

Most Cardiff to Caernarfon trains use the Cardiff Central to Bangor (Gwynedd) station pair. Use this guide to compare Cardiff and Caernarfon train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Cardiff Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Lost and found is available at the station.
Available at Cardiff Central: Parking, Taxis, WC.
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Cardiff Central: There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
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