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Dorchester to Swansea Train

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06/12/2025
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Dorchester to Swansea by train

The journey from Dorchester to Swansea by train is 90.55 mi and takes 5 hrs 36 mins. There are 9 connections per day, with the first departure at 07:55 and the last at 20:24. It is possible to travel from Dorchester to Swansea by train for as little as £39.23 or as much as £70.27. The best price for this journey is £39.23.

Lowest Price £39.23
Journey Duration 5 hrs 36 mins
Connection per Day 9
Lowest Price £39.23
Highest Price £70.27
First Departure 07:55
Last Departure 20:24
Distance 90.55 mi
Departure Dorchester
Arrival Swansea
Carriers Transport for Wales, South Western Railway

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Best time to book cheap train tickets from Dorchester to Swansea

The cheapest Dorchester - Swansea train tickets can be found for as low as £30.31 if you’re lucky, or £33.95 on average. The most expensive ticket can cost as much as £36.67.

Find the best day to travel to Swansea by train

When travelling to Swansea by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board Transport for Wales, South Western Railway and Great Western Railway from Dorchester to Swansea
Compare services on board when travelling from Dorchester to Swansea by train.
Facilities Transport for Wales South Western Railway Great Western Railway
quiet_zone Quiet zone check check check
wifi WiFi check check check
power_sockets Power sockets check check check
luggage Luggage check cross check
food_and_drink Food and drink check check check

Dorchester to Swansea CO2 Emissions by Train

Ecology
Train
10.2kg
Bus
10.93kg
Flight
29.14kg
Car
23.32kg
What are the CO2 emissions from Dorchester to Swansea by train? The CO2 emissions from taking the train between Dorchester and Swansea are 10.2kg.
How much CO2 do I save by taking the train between Dorchester and Swansea? By taking the train between Dorchester and Swansea you will save 18.94kg CO2 emissions compared to a flight, 0.73kg compared to a bus and 13.12kg compared to a car.

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Frequently Asked Questions

How much is a train ticket from Dorchester to Swansea?
A train ticket from Dorchester to Swansea is £57.11. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £39.23.
What's the cheapest train ticket from Dorchester to Swansea?
The cheapest ticket you can get from Dorchester to Swansea is £39.23. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Dorchester and Swansea by train?
Dorchester to Swansea is 90.55 mi.
How long does the train between Dorchester and Swansea take?
Dorchester to Swansea is on average 5 hrs 36 mins. However the fastest option will get you there in 4 hrs 45 mins.
Which companies operate from Dorchester to Swansea?
The train journey from Dorchester to Swansea is covered by 2 operator(s). On Virail you can find these carriers that provide services on this route: Transport for Wales, South Western Railway and Great Western Railway.
How many train connections per day go from Dorchester to Swansea?
Dorchester to Swansea has 9 connection(s) per day on average.
What time does the first train from Dorchester to Swansea leave?
The earliest train from Dorchester to Swansea departs at 07:55. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from Dorchester to Swansea depart?
The latest train from Dorchester to Swansea departs at 20:24. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Dorchester to Swansea in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is £39.23 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
What's the fastest journey time between Dorchester to Swansea by train?
The fastest journey time by train between Dorchester and Swansea is 4 hrs 45 mins.
Is there a direct train from Dorchester to Swansea?
Yes, there is a direct train between Dorchester and Swansea.
What are the CO2 emissions for Dorchester to Swansea by train?
The train journey from Dorchester to Swansea creates 10.2kg of CO2 emissions.

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