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Swansea to Watford Junction trains

Find Transport to Watford Junction

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Trip Overview

The average train between Swansea and Watford Junction takes 3h 53m and the fastest train takes 3h 43m. There is a train service every few hours from Swansea to Watford Junction. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 53m
Duration
206 mi
Distance
£106
Average price
Hourly
Frequency

Train

best
  1. Take the train from Swansea to London Paddingtontrain train Swansea - London Paddington / ...
3h 41m
£88–158

Swansea to Watford Junction train times

Trains run hourly between Swansea and Watford Junction. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Watford Junction at 12:17 AM. All services require a transfer at London Paddington and take an average of 3h 53m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

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    Arrives next day

    Great Western Railway (GWR)London Underground (Tube)London Overground3h 54m • 2 changes

Departing Saturday, October 10, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains4h 16m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 47m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 50m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 49m • 2 changes
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Departing Sunday, October 11, 2026

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 48m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)London Overground3h 57m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 48m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 49m • 2 changes
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Departing Monday, October 12, 2026

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    Great Western Railway (GWR)London Underground (Tube)Southern4h 34m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 54m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains3h 43m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)West Midlands Trains4h 1m • 2 changes
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Frequently asked questions

Want to know about travelling from Swansea to Watford Junction? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Map of how to get from Swansea to Watford Junction.ExpandLaunch map view
  • Distance: 205.5 mi
  • Duration: 3h 53m

What companies run services between Swansea, Wales and Watford Junction, England?

Great Western Railway (GWR) operates a train from Swansea to London Paddington hourly. Tickets cost £80–150 and the journey takes 2h 51m.

Operators