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4.9
4.6The cheapest and fastest trains from Cardiff Central (CDF) to Southampton Central (SOU)
Cheapest price
$79
Average price
$94
Fastest journey
2 h 32 m
Average duration
2 h 32 m
Trains per day
17
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 traveling at rush hour.
The average ticket from Cardiff Central (CDF) to Southampton Central (SOU) will cost around $94 if you buy it on the day, but the cheapest tickets can be found for only $79.
Of the 17 trains that leave Cardiff Central (CDF) for Southampton Central (SOU) on Thu, Jul 16, 15 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Jul 16 the direct trains cover the 138 km distance in an average of 2 h 32 m but if you time it right, some trains will get you there in just 2 h 32 m .
On Thu, Jul 16 the slowest trains will take 2 h 33 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.
G150016:28 AM2h35Cardiff Central (CDF)9:03 AMSouthampton Central (SOU)$791One-way0 transfers- W349748:27 AM2h37Cardiff Central (CDF)11:04 AMSouthampton Central (SOU)$791One-way0 transfers
- G150069:28 AM2h34Cardiff Central (CDF)12:02 PMSouthampton Central (SOU)$791One-way0 transfers
- G150152:30 PM2h33Cardiff Central (CDF)5:03 PMSouthampton Central (SOU)$791One-way0 transfers
- G150173:30 PM2h32Cardiff Central (CDF)6:02 PMSouthampton Central (SOU)$791One-way0 transfers
- G1500810:30 AM2h32Cardiff Central (CDF)1:02 PMSouthampton Central (SOU)$871One-way0 transfers
- G150131:30 PM2h32Cardiff Central (CDF)4:02 PMSouthampton Central (SOU)$871One-way0 transfers
- G150173:30 PM2h32Cardiff Central (CDF)6:02 PMSouthampton Central (SOU)$791One-way0 transfers
- G1501212:30 PM2h33Cardiff Central (CDF)3:03 PMSouthampton Central (SOU)$871One-way0 transfers
- G150152:30 PM2h33Cardiff Central (CDF)5:03 PMSouthampton Central (SOU)$791One-way0 transfers
Travel Information
Compare train and bus 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 bus with prices starting from $19. 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 bus costs an average of $19, and a train costs an average of $33.
Distance: 85 miles (138 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$74 Average price | $29 Average price Cheapest | $42 Average price (fuel + tolls) |
3h 9m Average total duration Fastest 2h 39m Onboard + 30m Additional time* | 7h 2m Average total duration 6h 32m Onboard + 30m Additional time* | 2h 42m Average total duration (door-to-door) |
Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Cardiff Central (CDF) to Southampton Central (SOU):
A bus is $45 (€37) less than a train for this route with tickets for a train from Cardiff Central (CDF) to Southampton Central (SOU) costing on average $74 (€60).
Other travel options to Southampton Central (SOU) take longer:
Bus takes on average 6h 32m.
You'll arrive about 3m sooner (2h 39m by train vs 2h 42m by car). Tickets start at around $74 (€60) compared to roughly $42 (€34) 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.
Direct services run with Great Western Railway, Great Western Railway (GWR).
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
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, Wednesday, July 15. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| G15008 | On time 10:30 AM Cardiff Central (CDF) | 2h32 | 1:02 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15010 | On time 11:30 AM Cardiff Central (CDF) | 2h34 | 2:04 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15012 | On time 12:30 PM Cardiff Central (CDF) | 2h33 | 3:03 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15013 | On time 1:30 PM Cardiff Central (CDF) | 2h32 | 4:02 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15015 | On time 2:30 PM Cardiff Central (CDF) | 2h33 | 5:03 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15017 | On time 3:30 PM Cardiff Central (CDF) | 2h32 | 6:02 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15019 | On time 4:27 PM Cardiff Central (CDF) | 2h36 | 7:03 PM Southampton Central (SOU) | 0 transfersDirect | |
| W35025 | On time 5:27 PM Cardiff Central (CDF) | 2h37 | 8:04 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15022 | On time 6:30 PM Cardiff Central (CDF) | 2h34 | 9:04 PM Southampton Central (SOU) | 0 transfersDirect | |
| G15025 | On time 7:28 PM Cardiff Central (CDF) | 2h39 | 10:07 PM Southampton Central (SOU) | 0 transfersDirect | |
| W35045 | On time 8:30 PM Cardiff Central (CDF) | 2h37 | 11:07 PM Southampton Central (SOU) | 0 transfersDirect | |
| Thursday, July 16 | |||||
W35431+ G00995 | 5:07 AM Cardiff Central (CDF) | 3h35 | 8:42 AM Southampton Central (SOU) | 1 transfer | |
| G15001 | 6:28 AM Cardiff Central (CDF) | 2h35 | 9:03 AM Southampton Central (SOU) | 0 transfersDirect | |
| G15003 | 7:27 AM Cardiff Central (CDF) | 2h38 | 10:05 AM Southampton Central (SOU) | 0 transfersDirect | |
| W34974 | 8:27 AM Cardiff Central (CDF) | 2h37 | 11:04 AM Southampton Central (SOU) | 0 transfersDirect | |
| G15006 | 9:28 AM Cardiff Central (CDF) | 2h34 | 12:02 PM Southampton Central (SOU) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Cardiff Central (CDF) to Southampton Central (SOU) 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.
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Jul 21
Jul 22
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)
United KingdomUnited Kingdom
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 $33 (€27) but you can travel from only $19 (€15) by bus.
There are 3 trains per day. The earliest train runs at 05:28, the last at 20:30. The fastest train covers the 85 miles (138 km) distance in 2h 32m.
Distance 85 miles (138 km) |
Average train duration 2h 39m |
Cheapest ticket price $33 (€27) |
Trains per day 7 |
Direct trains 3 |
Fastest train 2h 32m |
First train 5:28 AM |
Last train 8:30 PM |
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 $19 (€15). 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 Central (CDF) to Southampton Central (SOU)
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
Popular train stations from Cardiff Central (CDF) to Southampton Central (SOU)
Most Cardiff Central (CDF) to Southampton Central (SOU) trains use the Cardiff Central to Southampton Central station pair. Use this guide to compare Cardiff Central (CDF) and Southampton Central (SOU) 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.
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.
Most popular train connections from Cardiff Central (CDF)
More options for your journey from Cardiff Central (CDF) to Southampton Central (SOU)
Here are some other resources that might have the information you need
Most popular trains to and from Southampton Central (SOU) and Cardiff Central (CDF)
Most popular train connections to Southampton Central (SOU)
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