4.9
4.6
Omio recommends booking the train as it is the most popular option from Caernarfon to London among Omio's users. If you are prioritising price, take the train, with an average ticket price of £73 For those with little time, consider booking a train, which has an average total journey time of 4h 4m. Average ticket prices depend on the travel mode: a train costs an average of £73, while a train costs an average of £73.
Distance: 335 km
Most popular Train | Driving |
|---|---|
£73 Average Price Cheapest | £66 Average Price (fuel + tolls) |
4h 4m Average total duration Fastest 3h 34m Onboard + 30m Additional time* | 5h 17m Average total duration (door-to-door) |
 Most popular train company | Your own car or car rental |
Direct Options | Direct Options |
You'll arrive about 1h 43m sooner (3h 34m by train vs 5h 17m by car). Tickets start at around £73 compared to roughly £66 in fuel and tolls — so you're paying a bit more, but getting hours of your day back, a city-centre arrival, and the freedom to work or relax instead of drive.
Driving makes more sense if you're travelling as a group (where fuel costs split several ways), want to stop along the way, or need a car once you arrive.
How to get to London from Caernarfon by train, bus, flight or ferry.
The best way to travel from Caernarfon to London is by taking a train because it’s the best combination of price and speed.
Find all the dates and times for this journey by train, bus, flight, and ferry .
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.
The most popular day trips by bus from London are Oxford, Brighton, Cambridge, Bath and Canterbury. Find out what you can do in these day trip destinations and how to book your bus from London on Omio.
Oxford is known for its historic university, elegant colleges and long academic tradition. Its medieval streets, museums and riverside setting give the city a thoughtful but lively character.
Brighton is a lively seaside city known for its pebble beach, Victorian pier and the Royal Pavilion. Its bohemian lanes, independent shops and strong arts scene give it a relaxed but energetic character.
Cambridge is a historic university city on the River Cam, known for its colleges and punting. Its compact centre, museums and green spaces give it an academic yet lively feel.
Bath is known for its Roman Baths, graceful Georgian architecture and links to Jane Austen. Its compact centre feels elegant yet lively, with historic streets, independent shops and a long-standing spa culture.
Canterbury is best known for its cathedral, medieval streets and long role in English religious history. Its compact centre mixes historic buildings with a lively student atmosphere, independent shops and riverside walks.
Travel to London easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Caernarfon to London.
However, we recommend checking specific travel dates for your route between Caernarfon and London as scheduled services by train can vary by season or day of the week.
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