Timetable

Train route

Travel guide

Cheap train tickets

Carmarthen to Southampton train prices and times

Use Trip.com to buy tickets from Carmarthen to Southampton, starting from £15.00 and averaging £137.30. The entire journey takes no more than 4h 2m. If you want to get more discounts, consider purchasing split tickets. Additionally, buying in advance is also good choice.

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Fri, Apr 18
From £15.00
Sat, Apr 19
From £15.00
Sun, Apr 20
From £15.00
Mon, Apr 21
From £15.00
Tue, Apr 22
From £15.00
Wed, Apr 23
From £15.00
Thu, Apr 24
From £15.00

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Departs	Arrives	Duration	Find Tickets
04:39 Carmarthen	09:13 Southampton Airport Parkway	4h 34m, No direct	Find Tickets
04:39 Carmarthen	09:34 Southampton Central	4h 55m, No direct	Find Tickets
04:39 Carmarthen	09:35 Southampton Airport Parkway	4h 56m, No direct	Find Tickets
05:36 Carmarthen	10:13 Southampton Airport Parkway	4h 37m, No direct	Find Tickets
05:36 Carmarthen	10:34 Southampton Airport Parkway	4h 58m, No direct	Find Tickets
05:36 Carmarthen	10:34 Paris	4h 58m, No direct	Find Tickets View More Trains

Carmarthen to Southampton train route details

First train

04:39

Last train

22:41

Departure station

Carmarthen

Arrival station

Southampton

Journey time

4h 2m

Distance

142 miles

Price

£15.00*

Train Operators

CrossCountry, Great Western Railway, South Western Railway

How to book cheap train tickets from Carmarthen to Southampton

Travelling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Carmarthen to Southampton can result in significant cost savings.

Using the Railcard for 1/3 off

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travellers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.

Split Tickets to save an average extra 30%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're travelling from Carmarthen to Southampton, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn’t require leaving your seat.

Book in advance to save an average of 61%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Carmarthen to Southampton ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

Group travels to save 1/3

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.

Carmarthen to Southampton train ticket types

Here are different ticket types available for this route, each with its own benefits and restrictions. Here are the options to consider:

Off-Peak & Super Off-Peak train tickets
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Off-Peak tickets are cheaper and more flexible, allowing for travel during less busy times. Super Off-Peak tickets are even cheaper and are perfect for less conventional schedules.
Return train tickets
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This ticket includes both the outbound and return journeys, saving you the time and hassle of purchasing separate tickets. With just one ticket, you can travel smoothly along the same route.
Advance train tickets
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As one of the most cost-effective ticket options available, purchasing up to 12 weeks in advance can save you a considerable amount of money.
Season train tickets
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Season tickets allow unlimited travel between two stations and can save you more than 1/3 on train fares.

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Why Book Train Tickets With Trip.com?

Split Tickets
Save an average of 30% on train fares by splitting your Carmarthen to Southampton journey
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*After comparing the full year of 2023 for Split tickets and full-price tickets on Trip.com, the average savings rate for Split tickets is 30%.

Trains from Carmarthen to Southampton from £15.00*

Save an average of 30%* with Split Tickets

Carmarthen to Southampton train prices and times

Carmarthen to Southampton train route details