Cardiff to Southampton train with Great Western Railway

Sun 04 Oct
+ 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
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The cheapest and fastest trains from Cardiff to Southampton

Showing times, prices and bookable tickets for 04 Oct

Cheapest price on 04 Oct

£64

Average ticket price on 04 Oct

£90

Fastest journey on 04 Oct

2 h 22 m

Average journey duration on 04 Oct

2 h 33 m

Trains on 04 Oct

6

Distance

139 km

Cheap tickets

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 travelling at rush hour.

The average ticket from Cardiff to Southampton will cost around £90 if you buy it on the day, but you can find cheap train tickets today for only £64.

Fast trains

On Sun 04 Oct, we found 6 trains from Cardiff to Southampton, including 3 direct services.

These direct trains cover the 139 km distance in an average of 2 h 33 m but if you time it right, some trains will get you there in just 2 h 22 m .

The slowest trains will take 2 h 46 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 RailwayW34979
    10:252h38
    Cardiff Central (CDF)
    13:03Southampton Central (SOU)
    £641One-way
    0 changes
  • Great Western RailwayW34973
    9:182h46
    Cardiff Central (CDF)
    12:04Southampton Central (SOU)
    £641One-way
    0 changes
  • Great Western RailwayC00850
    11:252h38
    Cardiff Central (CDF)
    14:03Southampton Central (SOU)
    £641One-way
    0 changes
  • Great Western RailwayC33109+CrossCountryG01012
    11:202h22
    Cardiff Central (CDF)
    13:42Southampton Central (SOU)
    £1161One-way
    1 change
  • Great Western RailwayC00123+CrossCountryG01008
    10:202h22
    Cardiff Central (CDF)
    12:42Southampton Central (SOU)
    £1161One-way
    1 change

Journey information

Overview: Train from Cardiff to Southampton

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Cardiff to Southampton run on average 8 times per day, taking around 2h 30m. Cheap train tickets for this journey start at £30 but you can travel from only £11 by coach.

There are 6 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 14m.

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 £11
Distance
139 km
Average train duration
2h 30m
Cheapest ticket price
£30
Trains per day
8
Direct trains
6
Fastest train
2h 14m
First train
4:45
Last train
21:38
Cheapest Month
Aug
Cheapest Day
Wed
High Season
Jul - Sept
Low Season
Oct - Dec
Busiest Day
Tue
Least Busy Day
Wed
Best time to book
28 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 £11

Live departures

Cardiff to Southampton train times

The table below shows live departures for Cardiff to Southampton trains for today, Saturday 3 October. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
Great Western RailwayC42259
On time
10:30 Cardiff Central (CDF)
2h33
13:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayC42261
On time
11:30 Cardiff Central (CDF)
2h33
14:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayC42262
On time
12:30 Cardiff Central (CDF)
2h33
15:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayC42264
On time
13:30 Cardiff Central (CDF)
2h33
16:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayC42265
On time
14:30 Cardiff Central (CDF)
2h33
17:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayW35191+CrossCountryG01025
On time
14:41 Cardiff Central (CDF)
3h03
17:44 Southampton Central (SOU)
1 change
Great Western RailwayC42267
On time
15:30 Cardiff Central (CDF)
2h33
18:03 Southampton Central (SOU)
0 changesdirect
Great Western RailwayC42269
On time
16:27 Cardiff Central (CDF)
2h36
19:03 Southampton Central (SOU)
0 changesdirect
Sunday 4 October
Great Western RailwayC50038+CrossCountryG010048:50 Cardiff Central (CDF)
2h52
11:42 Southampton Central (SOU)1 change
Great Western RailwayW349739:18 Cardiff Central (CDF)
2h46
12:04 Southampton Central (SOU)0 changesdirect

Find all the dates and times for this journey

Why should you book Cardiff to Southampton trains with Omio?

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

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.

Train companies: Great Western Railway from Cardiff to Southampton trainsGreat Western Railway trains will get you between Cardiff and Southampton from £11. 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
2h 14m
Cheapest Great Western Railway Price
£30
Great Western Railway frequency
6 a day
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 Southampton

Things to do in Southampton

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

  • Must visit

SeaCity Museum

Maritime museum telling the story of the Titanic, the docks and ocean travel. One of Southampton’s key visitor attractions.

  • Recommended

Tudor House and Garden

Historic house museum with period rooms and displays on local history. A rewarding visit in the heart of the old town.

  • Recommended

Southampton City Art Gallery

Gallery in the Civic Centre showing art from several periods, including modern British works. Good for a cultural stop in the city centre.

Pound sterling (£)

Moderate for UK city breaks. Hotels and dining cost less than London, while buses and casual meals are fairly manageable for most tourists.

Average meal costs

Budget
£8-12 for fast food or a basic meal.
Mid-range
£18-30 per person for a restaurant meal.
Fine dining
£60+ per person for upscale dining.
Coffee
£3-4 for a cappuccino.

Tipping culture

Restaurants may add a 10-12.5% service charge; if not, tip around 10% for good service. Taxi fares are often rounded up. Tipping in cafés is optional.

FAQs: Cardiff to Southampton train

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.

FAQs
The cost of a train ticket from Cardiff to Southampton can vary. The cheapest tickets are usually available from £30, while the average price tends to be around £70.
The train journey from Cardiff to Southampton covers a distance of 139 km and takes approximately 2h 14m. Trains run 8 per day.
The train distance from Cardiff to Southampton is 139 km.
The first train from Cardiff to Southampton leaves at 4:45.
The last train from Cardiff to Southampton departs at 21:38.
Trains from Cardiff to Southampton run approximately 8 times per day.
Currently, there is no high-speed train service from Cardiff to Southampton.
Yes, there is a direct train between Cardiff and Southampton. The service operates 6 times per day, provided by Great Western Railway.
There is no night train service from Cardiff to Southampton.
The train station in Cardiff that goes to Southampton is Cardiff Central (CDF), and it arrives at Southampton Central (SOU).
Booking trains from Cardiff to Southampton in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Cardiff to Southampton offers pleasant views of the Welsh countryside, Severn Estuary, and rolling landscapes of southern England, making it a moderately scenic route.
Yes, you can take the train from Cardiff to Southampton.

popular train stations

Important Stations and Airports in Cardiff and 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.

Departure train stations in Cardiff
Arrival train stations in Southampton
Cardiff CentralCentral Square, Cardiff CF10 1EP, United Kingdom+44 3457114141WifiShoppingParkingDiningATMTaxisAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike RentalCar Rental
City-centre transport

Getting to Cardiff Central from Cardiff city centre

Bus24, 25, 27, 86, 62, 30, 35, 21, 136, 7, 23, 63, 64 · 3m · £2 · every ~47 min
C1 · 5m · every ~8 min

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.

More options for your journey from Cardiff to Southampton

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

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