The cheapest and fastest trains from Watford to Cardiff
Cheapest price
£62
Average price
£62
Fastest journey
3 h 6 m
Average duration
3 h 16 m
Trains per day
2
Distance
193 km
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 £62 if you buy it on the day, but you can find cheap train tickets today for only £62.
Of the 2 trains that leave Watford for Cardiff every day 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 193 km distance in an average of 3 h 16 m but if you time it right, some trains will get you there in just 3 h 6 m .
The slowest trains will take 3 h 25 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.




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 prices starting from £22. For those with little time consider booking a train which can get you there in 2h 28m. The ticket price range depends on the travel mode: a coach costs an average of £22, and a train costs an average of £26.
Distance: 193 km
Compare train with
Most popular Train | Coach |
|---|---|
£61 Average Price | £22 Average Price Cheapest |
2h 58m Average total duration Fastest 2h 28m Onboard + 30m Additional time* | 4h 55m Average total duration 4h 25m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
Watford to Cardiff train times
The table below shows live departures for Watford to Cardiff trains for today, Friday 5 December. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 04:54 Watford | 3h14 | 08:08 Cardiff | 0 changesdirect | |
![]() | 07:07 Watford | 3h00 | 10:07 Cardiff | 0 changesdirect | |
![]() | 08:38 Watford | 2h58 | 11:36 Cardiff | 0 changesdirect | |
![]() | 09:03 Watford | 3h13 | 12:16 Cardiff | 0 changesdirect | |
| Saturday 6 December | |||||
![]() | 04:11 Watford | 3h25 | 07:36 Cardiff | 0 changesdirect | |
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.
06 Dec
07 Dec
08 Dec
09 Dec
10 Dec
11 Dec
12 Dec
Journey information
Overview: Train from Watford to Cardiff
Trains from Watford to Cardiff run on average 12 times per day, taking around 2h 28m. Cheap train tickets for this journey start at £26 but you can travel from only £22 by coach.
The earliest train runs at 05:04, the last at 21:35. The fastest train covers the 193 km distance in 2h 58m.
Distance 193 km |
Average train duration 2h 28m |
Cheapest ticket price £26 |
Trains per day 12 |
Fastest train 2h 58m |
First train 05:04 |
Last train 21:35 |
Train companies: Great Western Rail from Watford to Cardiff trainsGreat Western Rail trains will get you between Watford and Cardiff from £22. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
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.

popular train stations
Important Stations and Airports in Watford and Cardiff
- Opening hours: Monday - Friday 06:45 - 21:00 Saturday 08:15 - 15:15 Sunday 09:15 - 16:30
- Type of shops available: News agent
- Car Park: Bushey Station
- 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
- Storage sheltered: Yes
- Storage location: behind the Ticket Office
- Storage CCTV: Yes
- Information available from staff: Yes - from information point
- Helpline Contact: 0343 222 1234
- Passenger Information Systems: Departure screens, Announcements
- Location for Rail Replacement Services: Use Bus stop A in Pinner Road for northbound services to Watford Junction Use Bus stop A in Pinner Road for southbound services to Harrow & Wealdstone
- Opening hours: Monday - Friday 06:30 - 10:00 Saturday 10:30 - 12:30
- Type of shops available: Local shops nearby
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Accessibility category B2. Long sloping ramp from station entrance to booking hall. Level access from booking hall to platforms.
- Accessible public telephones: Outside booking office. Sloped passage from entrance to booking hall.
- Accessible ticket machines: There are accessible ticket machines at this station
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
- Storage sheltered: No
- Storage CCTV: Yes
- Information available from staff: Yes - from information point
- Helpline Contact: 0343 222 1234
- Passenger Information Systems: Departure screens, Announcements
- Location for Rail Replacement Services: Use Bus stop C in Prestwick Road for northbound services to Watford Junction Use Bus stop B in Prestwick Road for southbound services to Euston
- Opening hours: Monday - Friday 07:30 - 10:00 Saturday 09:30 - 12:15
- Type of shops available: High Street shops located nearby
- Car Park: No
- 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
- Storage sheltered: Yes
- Storage CCTV: Yes
- Location for Rail Replacement Services: Use Bus stop A in Lower High Street for northbound services to Watford Junction Use Bus stop B in Lower High Street for southbound services to Harrow & Wealdstone
- Metro: Watford London Underground station (Metropolitan line) is approximately 34 minutes' walk away
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday 07:30 - 18:30 Saturday 09:30 - 15:30 Sunday Closed
- Car Park: No
- Staff help available: Yes
- Step free access coverage: No
- Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time.
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Travelodge
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Arrival screens
- Onward travel information: The nearest bus stop is on Park Place
- Location for Rail Replacement Services: At the bus stops adjacent to the Cardiff University Students' Union on Park Place
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday 07:40 - 18:00 Sunday 10:00 - 15:30 Temporary opening hours due to the COVID-19 pandemic.
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards.
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Toilets Location: The toilets are located on Platform 4. The National key toilets are located on the Main Concourse to the right of the Ticket Office; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- Baby changing facilities: No
- Travelodge
- Storage sheltered: No
- Storage location: to the right of the station front
- Storage CCTV: Yes
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Announcements, Arrival screens
- Onward travel information: Limited service from stop outside station Mondays to Fridays
- Location for Rail Replacement Services: For services towards Cardiff Central use the bus stop at the front of the station. For services towards Cathays use the bus stop in front of the shop opposite the station entrance. Please ask a member of station staff if you are unsure of which stop to use.
- 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)
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