- Must visit
National Museum Cardiff
Major national museum with fine art, natural history, and geology collections in the city center. A top cultural stop in Cardiff.
We are not able to find a train between these two places.
Cheapest price
-
Average price
-
Fastest journey
-
Average duration
-
Trains per day
-
Distance
-
Omio recommends booking the train as it is the most popular option from Caernarfon to Cardiff among Omio's users. If you are prioritising price take the train with prices starting from $49. For those with little time consider booking a train which can get you there in 4h 25m. The ticket price range depends on the travel mode: a train costs an average of $49, and a train costs an average of $49.
Distance: 123 miles (199 km)
Most popular Train | Driving |
|---|---|
$81 Average price Cheapest | $58 Average price (fuel + tolls) |
4h 55m Average total duration Fastest 4h 25m Onboard + 30m Additional time* | 4h 18m Average total duration (door-to-door) |
![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options |
Tickets start at around $81 (€66) compared to roughly $58 (€48) in fuel and tolls — a saving of about $-22.39 (€-18.42). The journey takes 4h 25m versus 4h 18m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
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 Caernarfon to Cardiff run on average 15 times per day, taking around 4h 25m. Cheap train tickets for this journey start at $49 (€40) if you book in advance.
There are 5 trains per day. The earliest train runs at 05:19, the last at 21:35. The fastest train covers the 123 miles (199 km) distance in 4h 9m.
Distance 123 miles (199 km) |
Average train duration 4h 25m |
Cheapest ticket price $49 (€40) |
Trains per day 15 |
Direct trains 5 |
Fastest train 4h 9m |
First train 5:19 AM |
Last train 9:35 PM |
Cheapest Month Mar |
Cheapest Day Sat |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Sun |
Least Busy Day Sun |
Best time to book 7 days |
Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.
Major national museum with fine art, natural history, and geology collections in the city center. A top cultural stop in Cardiff.
Open-air museum showing Welsh historic buildings, crafts, and daily life. One of Wales’ most important heritage attractions.
City museum covering Cardiff’s social history, industries, and urban development through accessible local stories and objects.
Revitalized waterfront district with striking public buildings, boardwalk-style walks, and some of the city’s most photographed views.
Large central park behind the castle with riverside paths, mature trees, and easy walking routes from the city center.
Historic Victorian and Edwardian shopping arcades that define central Cardiff’s character and are popular for strolling and photography.
Traditional Welsh soup or stew made with lamb or beef, leeks, potatoes, and root vegetables. It is one of Wales’s best-known comfort foods and strongly associated with Cardiff and South Wales.
Toast topped with a savoury sauce of melted cheese, mustard, and ale or milk. It is a classic Welsh dish often served as a snack or light meal in pubs and cafes.
A traditional Welsh vegetarian sausage made with cheese, leeks, and breadcrumbs. It is a distinctive meat-free dish from South Wales and commonly found on local menus.
Established steak restaurant known for quality meat, wood-fired cooking, and an energetic dining room. A strong choice for Welsh beef and special-occasion meals.
A respected fine-dining venue serving polished British dishes in a unique setting, known for professional service and a memorable experience.
Well-known restaurant in a former bank vault, popular for modern Welsh and British cooking, especially pork dishes, with a stylish but relaxed atmosphere.
Moderate by UK standards. Meals and transport are reasonable, while central hotels cost more on weekends and during major events.
Service charge may be added in restaurants. If not, tip 10-12.5% for good service. Round up for taxis. Tipping is not expected in pubs or for takeaway.
Official public transport app
Cardiff Central, Cardiff -> Cardiff City Centre, Cardiff
Find answers to the most common questions about traveling from Caernarfon to Cardiff 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 Cardiff, this guide helps you travel smarter and with confidence.

Most Caernarfon to Cardiff trains use the Bangor (Gwynedd) to Cardiff Central station pair. Use this guide to compare Caernarfon and Cardiff 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.
Here are some other resources that might have the information you need