Bus Tickets from Cardiff to Southampton

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TomorrowMay 8
from US$38
FriMay 9
SatMay 10
SunMay 11
from US$31
MonMay 12
TueMay 13
WedMay 14
ThuMay 15

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: May 8 at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: May 9 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: May 8 at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: May 8 at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 8 at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: May 8 at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 8 at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: May 8 at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 8 at
    Departure city: Cardiff
    Departure location: Cardiff (Gabalfa Interchange, o/s Clinic)
    Arrival time: May 8 at
    Destination city: Southampton
    Destination location: University of Southampton
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Last refresh of the prices: Today at 9:25 PM BST.

Prices and availability are subject to change.

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Compare 3 ways to go 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 departure3:20am
Distance139 km
Latest bus departure7:58pm

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 long is the bus trip from Cardiff to Southampton?

    The bus ride from Cardiff to Southampton takes 6h 57m, on average. The fastest bus on this trip will get to Southampton in 6h 17m

  2. How far is Cardiff from Southampton?

    The distance between Cardiff and Southampton is around 140 km (87 miles).

  3. What are the departure and arrival locations for buses traveling from Cardiff to Southampton?

    Buses traveling this route start their trip at Sophia Gardens, in Cardiff, and end it at Southampton Coach Station, in Southampton.

  4. What is the cheapest way to go from Cardiff to Southampton?

    Taking the bus is the cheapest option to travel from Cardiff to Southampton. The ticket price for this bus starts at US$19, making this your best choice for this trip.

  5. How much does it cost to take the bus from Cardiff to Southampton?

    Taking the bus from Cardiff to Southampton costs on average US$30.

Find cheapest prices for buses

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

Best price found
05-05
US$32
05-06
US$22
Today
No data
05-08
US$36
05-09
US$19
05-10
US$20
05-11
US$29
05-12
US$17
busbud logoThe cheapest trip from Cardiff to Southampton was searched and found on May 12, 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 one of the smallest carbon footprints of motorized transport modes. A bus going from Cardiff to Southampton will emit less CO2 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?

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