Watford to Cardiff train with Great Western Railway

Thu 03 Sept
+ Add return
Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest trains from Watford to Cardiff

Showing times, prices and bookable tickets for 03 Sept

Cheapest price on 03 Sept

£45

Average ticket price on 03 Sept

£51

Fastest journey on 03 Sept

2 h 59 m

Average journey duration on 03 Sept

3 h 3 m

Trains on 03 Sept

2

Distance

193 km

Cheap tickets

The best way to find a cheap train ticket from Watford to Cardiff is to book your journey as far in advance as possible and to avoid travelling at rush hour.

The average ticket from Watford to Cardiff will cost around £51 if you buy it on the day, but you can find cheap train tickets today for only £45.

Fast trains

On Thu 03 Sept, we found 2 trains from Watford to Cardiff, including 2 direct services.

These direct trains cover the 193 km distance in an average of 3 h 3 m but if you time it right, some trains will get you there in just 2 h 59 m .

The slowest trains will take 3 h 7 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • Great Western Railway
    10:333h07
    Watford
    13:40Cardiff
    £451One-way
    0 changes
  • Great Western Railway
    9:382h59
    Watford
    12:37Cardiff
    £571One-way
    0 changes

Travel Information

Compare coach and train for Watford to Cardiff

Omio recommends booking the train as it is the most popular option from Watford to Cardiff among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £34 For those with little time, consider booking a train, which has an average total journey time of 2h 56m. Average ticket prices depend on the travel mode: a coach costs an average of £34, while a train costs an average of £55.

Distance: 193 km

Compare train with

Most popular
Train
Coach
Driving

£55

Average Price

£34

Average Price

Cheapest

£40

Average Price

(fuel + tolls)

2h 56m

Average total duration

Fastest

2h 26m

Onboard

+

30m

Additional time*

5h 14m

Average total duration

4h 44m

Onboard

+

30m

Additional time*

2h 46m

Average total duration

(door-to-door)

Direct Options

Direct Options

Direct Options

The cheapest way to travel from Watford to Cardiff is a coach with an average price of £34.

This is compared to other travel options from Watford to Cardiff:

A coach is £20 less than a train for this route with tickets for a train from Watford to Cardiff costing on average £55.

The fastest way to travel from Watford to Cardiff is by train with an average journey time of 2h 26m.

Other travel options to Cardiff take longer:

Coach takes on average 4h 44m.

It's helpful to compare your options as there are 2 ways to travel between Watford and Cardiff including taking a coach and train.
Take the train. It's meaningfully faster than driving, and the time saved usually justifies the price.

You'll arrive about 20m sooner (2h 26m by train vs 2h 46m by car). Tickets start at around £55 compared to roughly £40 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.

Live departures

Watford to Cardiff train times

The table below shows live departures for Watford to Cardiff trains for tomorrow, Thursday 3 September. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
Great Western Railway9:38 Watford
2h59
12:37 Cardiff0 changesdirect
Great Western Railway10:33 Watford
3h07
13:40 Cardiff0 changesdirect

This is the last train of the day.

Find all the dates and times for this journey

Compare prices and tickets Watford to Cardiff by coach or train

Compare coach and 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.

Thu
03 Sept
Fri
04 Sept
Sat
05 Sept
Sun
06 Sept
Mon
07 Sept
Tue
08 Sept
Wed
09 Sept

Why should you book Watford to Cardiff trains with Omio?

Great Western Railway operates all trains services from Watford to Cardiff.
Omio is an official ticket reseller for all your travel options from Watford to Cardiff.

Why book with Omio vs Great Western Railway?

  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are bus and train to ensure you get the best deal for traveling from Watford to Cardiff.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Watford to Cardiff.

Journey information

Overview: Train from Watford to Cardiff

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Watford to Cardiff run on average 15 times per day, taking around 2h 26m. Cheap train tickets for this journey start at £47 but you can travel from only £34 by coach.

The earliest train runs at 05:07, the last at 21:33. The fastest train covers the 193 km distance in 3h 13m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £34
Distance
193 km
Average train duration
2h 26m
Cheapest ticket price
£47
Trains per day
15
Fastest train
3h 13m
First train
5:07
Last train
21:33
Cheapest Month
Dec
Cheapest Day
Wed
High Season
Jan - Mar
Low Season
Oct - Dec
Busiest Day
Fri
Least Busy Day
Fri
Best time to book
21 days
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £34

Train companies: Great Western Railway from Watford to Cardiff trainsGreat Western Railway trains will get you between Watford and Cardiff from £34. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Great Western Railway

About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Great Western Railway Duration
3h 13m
Cheapest Great Western Railway Price
£47
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone

Complete guide to Cardiff

Things to do in Cardiff

Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.

  • Must visit

National Museum Cardiff

National museum with art, natural history and geology collections, plus Impressionist works and changing exhibitions in Cathays Park.

  • Must visit

St Fagans National Museum of History

Open-air museum of Welsh life with historic buildings, crafts, gardens and rural traditions relocated to spacious grounds west of the city.

  • Recommended

Museum of Cardiff

Museum in a Victorian library celebrating Cardiff’s story through interactive displays, local history and a well-presented city timeline.

Pound sterling (£)

Moderate for a UK city. Hotels and dining are usually cheaper than London, while local transport and casual meals stay fairly manageable for most visitors.

Average meal costs

Budget
£8-15 for fast food or a simple meal.
Mid-range
£18-35 per person for a restaurant meal.
Fine dining
£60+ per person for upscale dining.
Coffee
£3-4.50 for a cappuccino.

Tipping culture

Service may be included in restaurants; if not, 10-12.5% is usual for good service. Round up taxi fares. Tipping in cafés is optional, usually small change or rounding up.

FAQs: Watford to Cardiff train

Find answers to the most common questions about traveling from Watford 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.

FAQs
The cost of a train ticket from Watford to Cardiff can vary. The cheapest tickets are usually available from £47, while the average price tends to be around £55.
The train journey from Watford to Cardiff covers a distance of 193 km and takes approximately 3h 13m. Trains run 15 per day.
The train distance from Watford to Cardiff is 193 km.
The first train from Watford to Cardiff leaves at 5:07.
The last train from Watford to Cardiff departs at 21:33.
Trains from Watford to Cardiff run approximately 15 times per day.
Currently, there is no high-speed train service from Watford to Cardiff.
Unfortunately, there is no direct train service currently available from Watford to Cardiff.
To get from Watford to Cardiff, you can choose from several travel options including coach and train.
There is no night train service from Watford to Cardiff.
The train station in Watford that goes to Cardiff is Watford Junction (WFJ), and it arrives at Cardiff Central (CDF).
The cheapest way to get from Watford to Cardiff is by coach, costing approximately £34.
Booking trains from Watford to Cardiff in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Watford to Cardiff offers occasional scenic views, particularly as it passes through the picturesque landscapes of the Cotswolds and the Severn Estuary. However, parts of the route also include urban and industrial areas.
A day trip from Watford to Cardiff is not feasible as the journey takes 3h 13m with a frequency of 12 per day for trains. The distance is 193 km.
In Cardiff, you can enjoy performances at the Millennium Centre, explore the vibrant nightlife in the city centre, take a scenic boat tour around Cardiff Bay, and have an adventurous day at Cardiff International White Water. Visit Cardiff Market for shopping and dining, discover Cardiff Castle and St Fagans National Museum of History, explore Cardiff Bay's attractions, enjoy the National Museum Cardiff's collections, and relax in Bute Park.
Two to three days are ideal to explore Cardiff's main attractions, including Cardiff Castle, the National Museum Cardiff, and the revitalised Cardiff Bay area.
Yes, you can take the train from Watford to Cardiff.

popular train stations

Important Stations and Airports in Watford and Cardiff

Most Watford to Cardiff trains use the Watford Junction to Cardiff Central station pair, with some services arriving at Cardiff Queen Street. Use this guide to compare Watford and Cardiff train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.

Departure train stations in Watford
Arrival train stations in Cardiff

Which Watford station do trains to Cardiff leave from?

Trains from Watford to Cardiff leave from Watford Junction. The station is 1 km from Watford city centre at Watford Junction station, Station Road, Watford, Hertfordshire, WD17 1EU.
Watford JunctionWatford Junction station, Station Road, Watford, Hertfordshire, WD17 1EU+44 3301235247ShoppingParkingDiningATMAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike RentalInformation Desk
City-centre transport

Getting to Watford Junction from Watford city centre

TrainLondon Euston - Watford Junction, Kilburn High Road - Watford Junction, Willesden Junction Low Level - Watford Junction · 5m · £0.90 · every ~9 min
BusW20 · 5m · £2 · every ~1 min
635 · 7m · £4 · every ~2 min
322 · 20m · £2 · every ~6 min

Watford Junction train station facilities and services

Watford Junction has practical services for this route, including Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.

Food and drink

Food and drink options are available at Watford Junction.

Wi-Fi and ATMs

ATMs are available at Watford Junction.

Tickets and information

Ticket office support is available at Watford Junction. Information desks are information available from staff: Yes - from help point,Yes - from ticket office, Helpline Contact: 0800 0248 997, Passenger Information Systems: Departure screens, Announcements.

Luggage and lost property

Lost and found is available at the station.

Parking, taxis and toilets

Available at Watford Junction: Parking, WC.

Bike and car services

Available at Watford Junction: Bike Parking, Bike Rental.

Accessibility

Accessibility facilities are available at Watford Junction: Staff help available: Yes, Step free access coverage: Yes, Accessible car park equipment: Wheelchair users may require assistance using car park equipment at this station, Accessible public telephones: Public telephones are accessible on platform 6, Accessible taxis: Accessible taxis are available, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: Ticket Vending Machines are located in the Booking Hall, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: Yes.

Watford High StreetWatford High Street station, 182 Watford High Street, Watford, Hertfordshire, WD17 2NW+44 343 222 1234WifiShoppingParkingDiningATMAccessibilityHotelTicket OfficeBike ParkingBike Rental
City-centre transport

Getting to Watford High Street from Watford city centre

Bus321 · 3m · £4 · every ~10 min
306 · 6m · every ~4 min

Watford High Street train station facilities and services

Watford High Street has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Accessibility, Hotel, Ticket Office, Bike Parking and Bike Rental.

Food and drink

Food and drink options are available at Watford High Street.

Wi-Fi and ATMs

Wi-Fi is available at Watford High Street. ATMs are available at Watford High Street.

Tickets and information

Ticket office support is available at Watford High Street.

Parking, taxis and toilets

Available at Watford High Street: Parking.

Bike and car services

Available at Watford High Street: Bike Parking, Bike Rental.

Accessibility

Accessibility facilities are available at Watford High Street: Staff help available: Yes, Step free access coverage: No, Step free access note: Level access to ticket office from street. Single island platform, accessible from entrance by staircase only, Accessible taxis: Contact taxi operator directly, Accessible ticket machines: There are accessible ticket machines at this station, Ramp for train access: No, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.

BusheyBushey station, Pinner Road, Watford, Greater London, WD19 4EA+44 343 222 1234WifiShoppingParkingDiningAccessibilityTicket OfficeBike ParkingBike RentalInformation Desk
City-centre transport

Getting to Bushey from Watford city centre

Bushey is 1 km from Watford city centre. Public transport options include:

TrainWatford Junction - London Euston, Watford Junction - Willesden Junction Low Level, Watford Junction - Kilburn High Road · 2m · £0.90 · every ~9 min
Bus306, 832 · 9m · £4 · every ~4 min
602 · 11m · £2 · every ~5 min
885 · 14m

Bushey train station facilities and services

Bushey has practical services for this route, including Wifi, Shopping, Parking, Dining, Accessibility, Ticket Office, Bike Parking, Bike Rental and Information Desk.

Food and drink

Food and drink options are available at Bushey.

Wi-Fi and ATMs

Wi-Fi is available at Bushey.

Tickets and information

Ticket office support is available at Bushey. Information desks are information available from staff: Yes - from information point, Helpline Contact: 0343 222 1234, Passenger Information Systems: Departure screens, Announcements.

Parking, taxis and toilets

Available at Bushey: Parking.

Bike and car services

Available at Bushey: Bike Parking, Bike Rental.

Accessibility

Accessibility facilities are available at Bushey: Staff help available: Yes, Step free access coverage: No, Step free access note: Accessibility category C. This station does not have step-free access, Accessible car park equipment: Wheelchair users may require assistance using car park equipment at this station, Accessible taxis: contact taxi operator directly, Accessible ticket machines: There are accessible ticket machines at this station, Ramp for train access: No, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.

More options for your journey from Watford to Cardiff

Here are some other resources that might have the information you need

HomeTrainsTrain Times to Cardiff Watford to Cardiff train

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone