How to travel from Portsmouth to Cardiff

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2 ways to go from Portsmouth to Cardiff

Bus
Average priceUS$15 - US$66Average duration7h 26m
4kg CO₂e5 out of 5 stars
Cheapest
Most eco-friendly
Train
Average priceUS$98 - US$102Average duration3h 18m
4kg CO₂e5 out of 5 stars
Fastest
%{brand}s logoBusbud recommends taking the train from Portsmouth to Cardiff

Among the sustainable travel choices, the train stands out as a good way to reach Cardiff. The journey takes about 3 hours 18 minutes and with fares starting at just US$98, it presents an excellent value for a comfortable ride.

1train per day
3h 18mAverage duration
US$98Cheapest ticket
4kgCO₂ emissions
Tomorrow24 Dec
Wed25 Dec
Thu26 Dec
from US$79
Fri27 Dec
from US$45
Sat28 Dec
Sun29 Dec
Mon30 Dec
Tue31 Dec

Cheap buses leaving Thursday

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 26 December at
    Departure city: Portsmouth
    Departure location: Portsmouth University (o/s Students' Union)
    Arrival time: 26 December at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 26 December at
    Departure city: Portsmouth
    Departure location: Portsmouth University (o/s Students' Union)
    Arrival time: 26 December at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 26 December at
    Departure city: Portsmouth
    Departure location: Portsmouth University (o/s Students' Union)
    Arrival time: 26 December at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

From Portsmouth to Cardiff: Trip Overview

Travel the 103 miles (166 km) from Portsmouth to Cardiff by Bus, Train or Train. The average cost for a trip from Portsmouth to Cardiff is US$64. This route is served by top travel providers like National Express, Great Western Railway, among others.

Average ticket priceUS$64
Average trip duration5h 22m
Number of daily departures1
Number of daily train departures1
Earliest departure03:05
Distance103 miles (166 km)
Latest departure20:14
Cheapest mode of travelBus - US$15
Fastest mode of travelTrain - 3h 15m
Popular travel companiesNational Express, Great Western Railway

Helpful information to go from Portsmouth to Cardiff

Whether you're a budget traveller or seeking a swift and comfortable journey, planning your trip from Portsmouth to Cardiff is a breeze. Discover the transportation options that suit you and embark on your next adventure!

Travel Modes

Bus

Travel by coach from Portsmouth to Cardiff for an average of US$29 and a travel time of 7 hours 30 minutes. National Express offer tickets starting at US$15.

Train

Opt for a sustainable train journey from Portsmouth to Cardiff. The trip typically takes 3 hours 19 minutes, with ticket prices starting at US$98. Great Western Railway operates trains between these cities, stopping at major stations like Portsmouth and Southsea, etc.

Flight

While Busbud promotes sustainable travel, flying from Portsmouth to Cardiff is sometimes an option travellers can consider. However, be aware of the higher carbon footprint and, in most cases, higher costs compared to other travel options. No matter your chosen travel mode, with Busbud we are here to simplify your decision-making. Find the best way to travel from Portsmouth to Cardiff and the best travel option that perfectly matches your needs and budget, ensuring a seamless booking experience.

Frequently asked questions

  1. What’s the cheapest way to travel from Portsmouth to Cardiff?

    The most affordable option for this trip is the bus. The cheapest bus ticket costs US$15, and the average price is US$29. Keep in mind that prices can fluctuate depending on when you book, with last-minute departures typically costing more.

  2. What is the fastest way to travel between Portsmouth and Cardiff?

    If you're pressed for time, the train reigns supreme, taking you from Portsmouth to Cardiff in roughly 3h 18m.

  3. How do I travel from Portsmouth to Cardiff without a car?

    You can take a bus or train for this route. If you’re looking for the most cost-effective option, than we recommend bus.

  4. How long is the bus ride from Portsmouth to Cardiff?

    The average travel time between Portsmouth and Cardiff is around 7h 26m, although the fastest bus will take about 6h 41m. This is the time it takes to travel the 104 miles that separates the two cities.

  5. Which bus companies travel from Portsmouth to Cardiff?

    When taking the bus from Portsmouth to Cardiff, you can travel comfortably and safely with National Express.

  6. How many daily bus connections are there between Portsmouth and Cardiff?

    The number of buses from Portsmouth to Cardiff can differ depending on the day of the week. On average, there are 1 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Portsmouth to Cardiff by comparing and selecting the bus that fits your travel style and budget on Busbud.

  7. What are the departure and arrival stations when taking the bus from Portsmouth to Cardiff?

    Buses travelling between Portsmouth and Cardiff leave from The Hard Interchange or Portsmouth (Rudmore Roundabout) and arrive at Cardiff University (o/s Cathays Rail Stn), Sophia Gardens, Cardiff Coach Station - Sophia Gardens.

  8. How long is the train trip from Portsmouth to Cardiff?

    A train trip between Portsmouth and Cardiff is around 3h 18m, although the fastest train will take about 3h 15m. This is the time it takes to travel the 104 miles that separates the two cities.

  9. How many daily train are there between Portsmouth and Cardiff?

    The number of trains from Portsmouth to Cardiff can differ depending on the day of the week. On average, there are 1. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.

  10. What are the departure and arrival stations for a train from Portsmouth to Cardiff?

    Trains travelling between Portsmouth and Cardiff leave from The Hard Interchange or Portsmouth (Rudmore Roundabout) and arrive at Cardiff University (o/s Cathays Rail Stn), Sophia Gardens, Cardiff Coach Station - Sophia Gardens.

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