- Must visit
HMS Victory
A major naval museum where visitors can board Nelson’s flagship and explore life at sea through preserved decks and displays.
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Compare prices and tickets Carmarthen to Portsmouth by train
Compare train 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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Journey information
Overview: Bus from Carmarthen to Portsmouth
United KingdomUnited Kingdom
Take a bus from Carmarthen to Portsmouth and enjoy the approximately 252 km long journey. Find schedules and pricing options for a convenient and affordable trip.
The earliest coach runs at 04:04, the last at 10:55.
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
Distance 252 km |
First bus 4:04 |
Last bus 10:55 |
Cheapest Month Sept |
Cheapest Day Wed |
High Season Jul - Sept |
Low Season Apr - Jun |
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
Complete guide to Portsmouth
Things to do in Portsmouth
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
- Recommended
HMS Alliance
This working museum ship reveals cramped Victorian submarine life and the engineering behind one of Britain’s earliest submarines.
- Recommended
Portsmouth Museum and Art Gallery
Portsmouth’s city museum covers local history, football heritage and art, with exhibits spanning the city’s people and places.
- Must visit
Old Portsmouth
A historic waterfront district with cobbled lanes, pubs, sea walls and several key heritage sites within easy walking distance.
- Must visit
Southsea Seafront
A long pebble beach promenade with piers, gardens and open sea views, well suited to relaxed walks along the Southsea seafront.
- Recommended
Southsea Common
A broad common by the Solent, popular for walks, picnics and views of passing ships, the Isle of Wight and seafront landmarks.
- Vegetarian
Hampshire hog cake
A rich fruit cake packed with dried fruit, spice and treacle, long associated with Hampshire baking and often enjoyed at Christmas and local celebrations.
- Gluten-free
South Coast crab
Fresh crab landed on the South Coast, usually served simply in sandwiches, salads or dressed shells, prized for sweet meat and Portsmouth’s seaside setting.
- Gluten-free
Fisherman’s pie
A classic Portsmouth and Hampshire pub dish of smoked haddock, potato and onion in a creamy sauce, baked until golden and comforting in coastal weather.
The Fisherman's Kitchen
Popular Southsea spot for classic fish and chips and fresh seafood, with a casual atmosphere close to the seafront.
The Briny
Smart waterfront restaurant in Old Portsmouth serving modern British dishes with strong seafood options in an elegant, relaxed setting.
Still and West
Historic pub in Old Portsmouth known for traditional British cooking, cask ales and harbour views in a characterful setting.
Pound sterling (£)
Moderate for the UK. Hotels can be pricey in summer, but dining and local buses remain manageable for most city-break budgets.
Average meal costs
- Budget
- £8-15 for fast food or a simple meal.
- Mid-range
- £18-35 per person for a restaurant meal.
- Fine dining
- £60+ per person for upscale dining.
- Coffee
- £3-4.50 for a cappuccino.
Tipping culture
Restaurants: 10-12.5% if not already added. Taxis: round up or 10%. Cafés and pubs: tipping is optional, though small change is appreciated for table service.
First Bus
Get the appOfficial public transport app
Prices
- Single ticket
- £3.50
- Day pass
- £14.00
To the city centre
The Hard Interchange -> Commercial Road, Portsmouth
- Distance
- 0.8 km
- Travel time
- 10 min
- Contactless payment is available on local buses, and First buses in Portsmouth support tap on, tap off for automatic best fare calculation.
- The Hard Interchange links buses with Portsmouth Harbour rail station, Gosport Ferry and Isle of Wight services, so it is the main interchange for onward travel.
FAQs: Carmarthen to Portsmouth coach
Find answers to the most common questions about traveling from Carmarthen to Portsmouth by coach. 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 coach, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.
The earliest coach from Carmarthen to Portsmouth leaves at 4:04. Plan your trip with the Journey Planner from Omio.
The latest coach from Carmarthen to Portsmouth leaves at 10:55.
The cheapest month for a coach from Carmarthen to Portsmouth is September.
Yes, you can take a train between Carmarthen and Portsmouth.
No, the coach from Carmarthen to Portsmouth has no accessibility options.
No, there are no bathrooms on board the coach from Carmarthen to Portsmouth.
No, bikes are not allowed on board the coach from Carmarthen to Portsmouth.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
Yes, there is food available to purchase on board the coach from Carmarthen to Portsmouth.
No, luggage for the coach from Carmarthen to Portsmouth needs to be booked in addition.
No, there are no additional luggage options for the coach from Carmarthen to Portsmouth.
Unfortunately, pets are not allowed on the coach from Carmarthen to Portsmouth.
No, there are no USB plugs on board the coach from Carmarthen to Portsmouth.
No, there is no WiFi on board the coach from Carmarthen to Portsmouth.
popular bus stations
Important Stations and Airports in Carmarthen and Portsmouth
Most Carmarthen to Portsmouth buses use the Carmarthen, Lammas Street (Rose and Crown Hotel) to Portsmouth, The Hard Interchange station pair, with some services arriving at Portsmouth, University. Use this guide to compare Carmarthen and Portsmouth bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Departure bus stations in Carmarthen
Arrival bus stations in Portsmouth
Which Carmarthen station do buses to Portsmouth leave from?
Buses from Carmarthen to Portsmouth leave from Carmarthen, Lammas Street (Rose and Crown Hotel). The station is from Carmarthen city centre at 2-5 Guildhall Square, Carmarthen SA31 1NP, UK.
Carmarthen, Lammas Street (Rose and Crown Hotel)2-5 Guildhall Square, Carmarthen SA31 1NP, UK
City-centre transport
Getting to Carmarthen, Lammas Street (Rose and Crown Hotel) from Carmarthen city centre
BusT1x, 322, T1, T1a · 5m · £0.90 · every ~4 min
Carmarthen, Lammas Street (Rose and Crown Hotel) bus station facilities and services
Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.
Accessibility
Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.
Which Portsmouth station do buses from Carmarthen arrive at?
Buses from Carmarthen to Portsmouth most often arrive at Portsmouth, The Hard Interchange. Some services arrive at Portsmouth, University, so check your ticket before travel to confirm your Portsmouth arrival station.
Portsmouth, The Hard InterchangeThe Hard Interchange, Portsmouth PO1 3DT, UK
City-centre transport
Getting to Portsmouth, The Hard Interchange from Portsmouth city centre
Portsmouth, The Hard Interchange is 1 km from Portsmouth city centre. Public transport options include:
TrainLondon Victoria - Portsmouth Harbour, Brighton - Portsmouth Harbour, Littlehampton - Portsmouth Harbour, Three Bridges - Portsmouth Harbour, Barnham - Portsmouth Harbour, Gatwick Airport - Portsmouth Harbour, Havant - Portsmouth Harbour, Bognor Regis - Portsmouth Harbour · 3m · £0.90 · every ~4 min
Bus1, 2, 8, 3, 7, X4, H1, X5, Pr1 · 6m · £2 · every ~214 min
Portsmouth, The Hard Interchange bus station facilities and services
Portsmouth, The Hard Interchange has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food and drink
Food options include: Café at The Hard (in the station), Fast Food Outlet (in the station).
Wi-Fi and ATMs
Free Wi-Fi. ATMs are located near the entrance.
Tickets and information
Ticket office support is available at Portsmouth, The Hard Interchange.
Parking, taxis and toilets
Available at Portsmouth, The Hard Interchange: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Portsmouth, The Hard Interchange: Elevators, ramps.
Portsmouth, University
Portsmouth, International PortWharf Road, Portsmouth PO2 8RU, United Kingdom
City-centre transport
Getting to Portsmouth, International Port from Portsmouth city centre
Portsmouth, International Port is 1 km from Portsmouth city centre. Public transport options include:
BusX4, X5, Pr1 · 3m · every ~55 min
8, 3, 7, X4, X5 · 6m · £2 · every ~113 min
725 · 15m · £2
Portsmouth, International Port bus station facilities and services
Portsmouth, International Port has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food and drink
Food options include: Café in the terminal (in the station), Fast-food outlet (in the station).
Wi-Fi and ATMs
Free Wi-Fi. ATMs are located near the entrance of the terminal.
Tickets and information
Ticket office support is available at Portsmouth, International Port.
Parking, taxis and toilets
Available at Portsmouth, International Port: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Portsmouth, International Port: Elevators, ramps.
Most popular bus connections from Carmarthen
More options for your journey from Carmarthen to Portsmouth
Here are some other resources that might have the information you need
Most popular buses to and from Portsmouth and Carmarthen
Most popular bus connections
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