Find coaches from Cardiff to Southampton

Find affordable coach tickets from Cardiff to Southampton with flexible options. Book your journey now

Join 75M+ travellers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every stage.
Cancel anytime and receive a 100% refund, no reason needed.
Today10 May
Tomorrow11 May
from US$29
Mon12 May
Tue13 May
Wed14 May
Thu15 May
Fri16 May
Sat17 May

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 11 May at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: 11 May at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 11 May at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: 12 May at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 11 May at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: 11 May at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 11 May at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: 11 May at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 11 May at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: 11 May at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 3 ways to travel from Cardiff to Southampton

Bus
Average priceUS$19 - US$61Average duration6h 57m
3kg CO₂e5 out of 5 stars
Most eco-friendly
Train
Average priceUS$36 - US$90Average duration2h 36m
3kg CO₂e5 out of 5 stars
Fastest
Carpool
Average priceUS$15 - US$15Average duration2h 40m
6kg CO₂e4 out of 5 stars
Cheapest
busbud logoBusbud recommends carpooling from Cardiff to Southampton

Among the sustainable travel choices, the carpool stands out as a good way to reach Southampton. The journey takes about 2 hours 40 minutes and with fares starting at just US$15, it presents an excellent value for a comfortable ride.

1carpool per day
2h 40mAverage duration
US$15Cheapest ticket
6kgCO₂ emissions

Bus Cardiff to Southampton: Trip Overview

Average ticket priceUS$30
Average bus trip duration6h 57m
Number of daily buses10
Earliest bus departure03:20
Distance87 miles
Latest bus departure19:58

Cardiff to Southampton Bus

Busbud helps you find a bus from Cardiff to Southampton. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.

We make sure you can find a bus service from Cardiff to Southampton from the most reliable bus companies operating this trip.

Discover how much the bus trip from Cardiff to Southampton will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip Cardiff - Southampton

  1. How much does a coach ticket from Cardiff to Southampton cost?

    For coach travel from Cardiff to Southampton, ticket prices typically start at US$19 and can reach a maximum of US$61. The exact cost can vary based on different factors such as the time of travel, the day of the week, and the coach service provider. Keep in mind that booking tickets on the day of travel might result in higher prices.

  2. How long does the coach from Cardiff to Southampton take?

    The average duration for a trip from Cardiff to Southampton by coach is around 6h 57m. If you're looking for the fastest trip, you can get there in just about 6h 17m. However, please keep in mind that your specific travel time may vary due to the prevailing traffic conditions along the route.

  3. At what time does the first coach from Cardiff to Southampton leave?

    The first departure to Southampton is at 03:20. Times and services may vary during weekends and holidays.

  4. What's the distance between Cardiff and Southampton by coach?

    The distance between Cardiff and Southampton by coach is approximately 87 miles (140 km).

  5. How can I get from Cardiff to Southampton without driving?

    You can travel to Southampton from Cardiff by coach, which provides a smooth ride and an affordable and convenient trip. Depending on your preferences, another alternative is to explore ridesharing trips.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
08/05
US$36
09/05
US$19
Today
US$20
11/05
US$29
12/05
US$17
13/05
US$23
14/05
US$19
15/05
US$21
busbud logoThe cheapest trip from Cardiff to Southampton was searched and found on 12 May 2025 with a price of US$17

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Cardiff to Southampton as early as possible.

You can expect to pay from US$17 to US$67 for a bus ticket from Cardiff to Southampton based on the last 2 days. You can expect to find the cheapest price for the trip at US$17, which is on 2025-05-12.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Cardiff and Southampton!

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Cardiff to Southampton, get comfy and count the stars.

Buses have the smallest carbon footprint of all motorized transport modes. A bus going from Cardiff to Southampton will emit half the CO2 emitted by a train, and radically less than a car or an airplane.

Tune out to the fine sounds of your best music playlist on your bus trip from Cardiff to Southampton while indulging in miles on end of beautiful scenic views.

Did you know?

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

Will you be returning to Cardiff by bus?

Bus from Cardiff to Southampton

You can also go to Southampton by train

Train from Cardiff to Southampton

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.

People from around the world trust Busbud

‌

Popular Buses Connecting Cardiff

Buses Leaving from Cardiff

Buses Going to Cardiff

Popular Buses Connecting Southampton

Buses Leaving from Southampton

Buses Going to Southampton