The cheapest and fastest trains from Cardiff Central (CDF) to Southampton Central (SOU)
Cheapest price
£64
Average price
£89
Fastest journey
3 h 19 m
Average duration
3 h 21 m
Trains per day
36
Distance
138 km
The best way to find a cheap train ticket from Cardiff Central (CDF) to Southampton Central (SOU) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Cardiff Central (CDF) to Southampton Central (SOU) will cost around £89 if you buy it on the day, but you can find cheap train tickets today for only £64.
To travel from Cardiff Central (CDF) to Southampton Central (SOU) you need to make at least one change.
W35435 · GW582200 · W3502516:213h43Cardiff Central (CDF)20:04Southampton Central (SOU)£641One-way2 changes
W35198 · GW582000 · G1502217:183h46Cardiff Central (CDF)21:04Southampton Central (SOU)£641One-way2 changes
W35178 · GW583400 · G1501010:183h46Cardiff Central (CDF)14:04Southampton Central (SOU)£641One-way2 changes
W35434 · GW582800 · G1501513:183h45Cardiff Central (CDF)17:03Southampton Central (SOU)£641One-way2 changes
G15050 · GW581800 · G1502418:183h49Cardiff Central (CDF)22:07Southampton Central (SOU)£641One-way2 changes
W35167+
G010007:233h19Cardiff Central (CDF)10:42Southampton Central (SOU)£1551One-way1 change
V03135+
G009976:243h19Cardiff Central (CDF)9:43Southampton Central (SOU)£1671One-way1 change
W35435+
G0103216:213h21Cardiff Central (CDF)19:42Southampton Central (SOU)£1161One-way1 change
W35202+
G0103919:183h24Cardiff Central (CDF)22:42Southampton Central (SOU)£1161One-way1 change
G15049+
G0102715:183h24Cardiff Central (CDF)18:42Southampton Central (SOU)£1161One-way1 change
Travel Information
Compare train and coach for Cardiff Central (CDF) to Southampton Central (SOU)
Omio recommends booking the train as it is the most popular option from Cardiff Central (CDF) to Southampton Central (SOU) among Omio's users. If you are prioritising price take the coach with prices starting from £14. For those with little time consider booking a train which can get you there in 2h 39m. The ticket price range depends on the travel mode: a coach costs an average of £14, and a train costs an average of £25.
Distance: 138 km
Compare train with
Most popular Train | Coach |
|---|---|
£55 Average Price | £22 Average Price Cheapest |
3h 9m Average total duration Fastest 2h 39m Onboard + 30m Additional time* | 7h 2m Average total duration 6h 32m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
Cardiff Central (CDF) to Southampton Central (SOU) train times
The table below shows live departures for Cardiff Central (CDF) to Southampton Central (SOU) trains for today, Thursday 4 June. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
W35435 · GW582200 · W35025 | On time 16:21 Cardiff Central (CDF) | 3h43 | 20:04 Southampton Central (SOU) | 2 changes | |
W35435+ G01032 | On time 16:21 Cardiff Central (CDF) | 3h21 | 19:42 Southampton Central (SOU) | 1 change | |
W35198+ G01035 | On time 17:18 Cardiff Central (CDF) | 3h26 | 20:44 Southampton Central (SOU) | 1 change | |
GW582000 · G15022+ G39040 | On time 17:22 Cardiff Central (CDF) | 3h42 | 21:04 Southampton Central (SOU) | 2 changes | |
G15050+ G01043 | On time 18:18 Cardiff Central (CDF) | 3h26 | 21:44 Southampton Central (SOU) | 1 change | |
GW581800 · G15025+ Y63476 | On time 18:23 Cardiff Central (CDF) | 3h44 | 22:07 Southampton Central (SOU) | 2 changes | |
W35202+ G01039 | On time 19:18 Cardiff Central (CDF) | 3h24 | 22:42 Southampton Central (SOU) | 1 change | |
W35202 · GW581600 · W35045 | On time 19:18 Cardiff Central (CDF) | 3h49 | 23:07 Southampton Central (SOU) | 2 changes | |
G66815+ GW581500 · G15029 | On time 19:50 Cardiff Central (CDF) | 3h41 | 23:31 Southampton Central (SOU) | 2 changes | |
W35437 · C48538+ L78861 | On time 20:18 Cardiff Central (CDF) | 4h18 | 0:36 Southampton Central (SOU) | 2 changes | |
V03135 · GW584200 · G15003 | 6:24 Cardiff Central (CDF) | 3h41 | 10:05 Southampton Central (SOU) | 2 changes | |
V03135+ G00997 | 6:24 Cardiff Central (CDF) | 3h19 | 9:43 Southampton Central (SOU) | 1 change | |
W35167+ G01000 | 7:23 Cardiff Central (CDF) | 3h19 | 10:42 Southampton Central (SOU) | 1 change | |
W35167 · GW584000 · W34974 | 7:23 Cardiff Central (CDF) | 3h40 | 11:03 Southampton Central (SOU) | 2 changes | |
G15041+ G01003 | 8:18 Cardiff Central (CDF) | 3h25 | 11:43 Southampton Central (SOU) | 1 change | |
G15041 · GW583800 · G15006 | 8:18 Cardiff Central (CDF) | 3h44 | 12:02 Southampton Central (SOU) | 2 changes | |
W35432+ G01005 | 9:19 Cardiff Central (CDF) | 3h28 | 12:47 Southampton Central (SOU) | 1 change | |
W35432 · GW583600 · G15008 | 9:19 Cardiff Central (CDF) | 3h43 | 13:02 Southampton Central (SOU) | 2 changes | |
GW583600 · G15008+ G39027 | 9:23 Cardiff Central (CDF) | 3h39 | 13:02 Southampton Central (SOU) | 2 changes | |
W35178+ G01009 | 10:18 Cardiff Central (CDF) | 3h25 | 13:43 Southampton Central (SOU) | 1 change | |
W35178 · GW583400 · G15010 | 10:18 Cardiff Central (CDF) | 3h46 | 14:04 Southampton Central (SOU) | 2 changes | |
G15045+ G01013 | 11:18 Cardiff Central (CDF) | 3h25 | 14:43 Southampton Central (SOU) | 1 change | |
G15045 · GW583200 · G15012 | 11:18 Cardiff Central (CDF) | 3h45 | 15:03 Southampton Central (SOU) | 2 changes | |
GW583200 · G15012+ G39032 | 11:23 Cardiff Central (CDF) | 3h40 | 15:03 Southampton Central (SOU) | 2 changes | |
G15046+ G01018 | 12:18 Cardiff Central (CDF) | 3h25 | 15:43 Southampton Central (SOU) | 1 change | |
G15046 · GW583000 · G15013 | 12:18 Cardiff Central (CDF) | 3h44 | 16:02 Southampton Central (SOU) | 2 changes | |
W35434+ G01022 | 13:18 Cardiff Central (CDF) | 3h26 | 16:44 Southampton Central (SOU) | 1 change | |
W35434 · GW582800 · G15015 | 13:18 Cardiff Central (CDF) | 3h45 | 17:03 Southampton Central (SOU) | 2 changes | |
GW582800 · G15015+ G39035 | 13:23 Cardiff Central (CDF) | 3h40 | 17:03 Southampton Central (SOU) | 2 changes | |
W35188 · GW582600 · G15017 | 14:18 Cardiff Central (CDF) | 3h44 | 18:02 Southampton Central (SOU) | 2 changes | |
W35188+ G01024 | 14:18 Cardiff Central (CDF) | 3h25 | 17:43 Southampton Central (SOU) | 1 change | |
G15049+ G01027 | 15:18 Cardiff Central (CDF) | 3h24 | 18:42 Southampton Central (SOU) | 1 change | |
G15049 · GW582400 · G15019 | 15:18 Cardiff Central (CDF) | 3h45 | 19:03 Southampton Central (SOU) | 2 changes | |
GW582400 · G15019+ G39037 | 15:23 Cardiff Central (CDF) | 3h40 | 19:03 Southampton Central (SOU) | 2 changes | |
This is the last train of the day. | |||||
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Compare prices and tickets Cardiff Central (CDF) to Southampton Central (SOU) by train or coach
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Why should you book Cardiff Central (CDF) to Southampton Central (SOU) trains with Omio?
Why book with Omio vs Great Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Railway, but also compare tickets for the likes of Great Western Railway (GWR) to find the best option for your trip from Cardiff Central (CDF) to Southampton Central (SOU).
- 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 train and bus to ensure you get the best deal for traveling from Cardiff Central (CDF) to Southampton Central (SOU).
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Cardiff Central (CDF) to Southampton Central (SOU).
Journey information
Overview: Train from Cardiff Central (CDF) to Southampton Central (SOU)
Trains from Cardiff Central (CDF) to Southampton Central (SOU) run on average 7 times per day, taking around 2h 39m. Cheap train tickets for this journey start at £25 but you can travel from only £14 by coach.
There are 3 trains per day. The earliest train runs at 05:28, the last at 20:30. The fastest train covers the 138 km distance in 2h 32m.
Distance 138 km |
Average train duration 2h 39m |
Cheapest ticket price £25 |
Trains per day 7 |
Direct trains 3 |
Fastest train 2h 32m |
First train 5:28 |
Last train 20:30 |
Cheapest Month May |
Cheapest Day Tue |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Mon |
Least Busy Day Sun |
Train companies: Great Western Railway, Great Western Railway (GWR) from Cardiff Central (CDF) to Southampton Central (SOU) trainsGreat Western Railway, Great Western Railway (GWR) trains will get you between Cardiff Central (CDF) and Southampton Central (SOU) from £14. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Great Western Railway (GWR)
FAQs: Cardiff Central (CDF) to Southampton Central (SOU) train
Find answers to the most common questions about traveling from Cardiff Central (CDF) to Southampton Central (SOU) 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 Southampton Central (SOU), this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in Cardiff Central (CDF) and Southampton Central (SOU)
- 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)
- Opening hours: Monday - Friday 05:40 - 20:45 Saturday 06:00 - 20:45 Sunday 06:30 - 20:45
- Car Park: Premium-downside
- Taxi: Yes outside Platform 4 exit
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that this station has no tactile paving on the platform edge.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: Yes
- Toilets Location: The toilets are located in the Waiting Rooms on Platforms 1 and 4. The National key toilets are located on Platforms 1 and 4; these toilets are operated by a radar key. A radar key is available from station staff upon request. A 'National Key Scheme' key [RADAR] can be purchased by contacting the following. Address: 12 City Forum, 250 City Road, London, EC1V 8AF. Tel: 020 7250 3222. Minicom: 020 7250 4119. Fax: 020 7250 0212. Email: [email protected]
- National key toilets: Yes
- Baby changing facilities: Yes
- Baby changing facilities location: Female toilets
- Waiting rooms location: All platforms. Waiting rooms are heated and seating complies with Code of Practice.
- Storage sheltered: Yes
- Storage location: Platform 1 - 200 spaces Platform 4 - 44 spaces Outside Platform 4 entrance - 4 spaces Outside Platform 1 entrance - A new bike hut with 140 two tier spaces
- Storage CCTV: Yes
- Location for Rail Replacement Services: Rail replacement bus service goes from the north side (Blechynden Terrace) during engineering works. Overnight onward transport goes from the South side (West Quay side)
Most popular train connections from Cardiff Central (CDF)
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