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4.9
4.6The cheapest and fastest trains from Cardiff to Southampton
Cheapest price on Sep 17
€65
Average ticket price on Sep 17
€105
Fastest journey on Sep 17
2 h 25 m
Average journey duration on Sep 17
2 h 37 m
Trains on Sep 17
6
Distance
139 km
The best way to find a cheap train ticket from Cardiff to Southampton is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to Southampton will cost around €105 if you buy it on the day, but the cheapest tickets can be found for only €65.
On Thu, Sep 17, we found 6 trains from Cardiff to Southampton, including 3 direct services.
On Thu, Sep 17 the direct trains cover the 139 km distance in an average of 2 h 37 m but if you time it right, some trains will get you there in just 2 h 25 m .
On Thu, Sep 17 the slowest trains will take 2 h 58 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.
G150069:28 AM2h34Cardiff Central (CDF)12:02 PMSouthampton Central (SOU)€651One-way0 transfers- W349748:27 AM2h36Cardiff Central (CDF)11:03 AMSouthampton Central (SOU)€651One-way0 transfers
- G1500810:30 AM2h32Cardiff Central (CDF)1:02 PMSouthampton Central (SOU)€711One-way0 transfers
- G15045+
G0100911:18 AM2h25Cardiff Central (CDF)1:43 PMSouthampton Central (SOU)€1291One-way1 transfer - G15043+G010059:49 AM2h58Cardiff Central (CDF)12:47 PMSouthampton Central (SOU)€1291One-way1 transfer
- G15045+G0100911:18 AM2h25Cardiff Central (CDF)1:43 PMSouthampton Central (SOU)€1291One-way1 transfer
- G1500810:30 AM2h32Cardiff Central (CDF)1:02 PMSouthampton Central (SOU)€711One-way0 transfers
- G150069:28 AM2h34Cardiff Central (CDF)12:02 PMSouthampton Central (SOU)€651One-way0 transfers
- W349748:27 AM2h36Cardiff Central (CDF)11:03 AMSouthampton Central (SOU)€651One-way0 transfers
- G15043+G010059:49 AM2h58Cardiff Central (CDF)12:47 PMSouthampton Central (SOU)€1291One-way1 transfer
Travel Information
Compare train and bus for Cardiff to Southampton
Omio recommends booking the train as it is the most popular option from Cardiff to Southampton among Omio's users. If you are prioritising price, take the bus, with an average ticket price of €44 For those with little time, consider booking a train, which has an average total journey time of 3h 0m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.0 - 0.1kg. Average ticket prices depend on the travel mode: a bus costs an average of €44, while a train costs an average of €78.
Distance: 139 km
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
€78 Average price | €44 Average price Cheapest | €35 Average price (fuel + tolls) |
3h 0m Average total duration Fastest 2h 30m Onboard + 30m Additional time* | 5h 47m Average total duration 5h 17m Onboard + 30m Additional time* | 2h 42m Average total duration (door-to-door) |
0.0 - 0.1kg CO2 emissions Lowest | 0.1 - 0.3kg CO2 emissions | - CO2 emissions |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
This is compared to other travel options from Cardiff to Southampton:
A bus is €35 less than a train for this route with tickets for a train from Cardiff to Southampton costing on average €56.
Other travel options to Southampton take longer:
Bus takes on average 5h 19m.
Live departures
Cardiff to Southampton train times
The table below shows live departures for Cardiff to Southampton trains for tomorrow, Thursday, September 17. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| W34974 | 8:27 AM Cardiff Central (CDF) | 2h36 | 11:03 AM Southampton Central (SOU) | 0 transfersDirect | |
| G15042+G01003 | 8:38 AM Cardiff Central (CDF) | 3h05 | 11:43 AM Southampton Central (SOU) | 1 transfer | |
| G15006 | 9:28 AM Cardiff Central (CDF) | 2h34 | 12:02 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15043+G01005 | 9:49 AM Cardiff Central (CDF) | 2h58 | 12:47 PM Southampton Central (SOU) | 1 transfer | |
| G15008 | 10:30 AM Cardiff Central (CDF) | 2h32 | 1:02 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15045+G01009 | 11:18 AM Cardiff Central (CDF) | 2h25 | 1:43 PM Southampton Central (SOU) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Cardiff to Southampton by train or bus
Compare train and bus 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.
Sep 17
Sep 18
Sep 19
Sep 20
Sep 21
Sep 22
Sep 23
Why should you book Cardiff to Southampton trains with Omio?
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 train and bus to ensure you get the best deal for traveling from Cardiff to Southampton.
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 to Southampton.
Journey information
Overview: Train from Cardiff to Southampton
United KingdomUnited Kingdom
Trains from Cardiff to Southampton run on average 7 times per day, taking around 2h 37m. Cheap train tickets for this journey start at €27 but you can travel from only €12 by bus.
There are 3 trains per day. The earliest train runs at 04:45, the last at 21:38. The fastest train covers the 139 km distance in 2h 33m.
Distance 139 km |
Average train duration 2h 37m |
Cheapest ticket price €27 |
Trains per day 7 |
Direct trains 3 |
Fastest train 2h 33m |
First train 4:45 AM |
Last train 9:38 PM |
Cheapest Month Jan |
Cheapest Day Sun |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Tue |
Least Busy Day Wed |
Best time to book 28 days |
Train companies: Great Western Railway, Great Western Railway (GWR) from Cardiff to Southampton trainsGreat Western Railway, Great Western Railway (GWR) trains will get you between Cardiff and Southampton from €12. 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: Trains from Cardiff to Southampton
Find answers to the most common questions about traveling from Cardiff to Southampton 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, this guide helps you travel smarter and with confidence.
popular train stations
Popular train stations from Cardiff to Southampton
Most Cardiff to Southampton trains use the Cardiff Central to Southampton Central station pair, with some services arriving at Woolston. Use this guide to compare Cardiff and Southampton train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Getting to Cardiff Central from Cardiff city centre
Cardiff Central 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 and drink
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Wi-Fi and ATMs
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
Tickets and information
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cardiff Central: Parking, Taxis, WC.
Bike and car services
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility
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.
Shops, hotels and contact
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
Which Southampton station do trains from Cardiff arrive at?
Getting to Southampton Central from Southampton city centre
Southampton Central train station facilities and services
Southampton Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food and drink
Food and drink options are available at Southampton Central.
Wi-Fi and ATMs
Wi-Fi is available at Southampton Central. ATMs are available at Southampton Central.
Tickets and information
Ticket office support is available at Southampton Central.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Southampton Central: Parking, Taxis, WC.
Bike and car services
Available at Southampton Central: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Southampton Central: 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.
Getting to Woolston from Southampton city centre
Woolston is 1 km from Southampton city centre. Public transport options include:
Woolston train station facilities and services
Woolston has practical services for this route, including Wifi, Parking, Dining, Accessibility, Lost and Found Office, Ticket Office, and Bike Parking.
Food and drink
Food and drink options are available at Woolston.
Wi-Fi and ATMs
Wi-Fi is available at Woolston.
Tickets and information
Ticket office support is available at Woolston.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Woolston: Parking.
Bike and car services
Available at Woolston: Bike Parking.
Accessibility
Accessibility facilities are available at Woolston: Staff help available: No, Step free access coverage: No, Step free access note: Step-free category B Station - Level access to Platform 1 (for trains towards Southampton). Steps to Platform 2 (for trains towards Portsmouth). 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, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Most popular train connections from Cardiff
More options for your journey from Cardiff to Southampton
Here are some other resources that might have the information you need
Most popular trains to and from Southampton and Cardiff
Most popular train connections to Southampton
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