Swansea to Watford Junction Trains

Swansea to Watford Junction trains

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Trip Overview

The average train between Swansea and Watford Junction takes 3h 55m and the fastest train takes 3h 46m. 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 55m
Duration: 206 mi
Distance: £111
Average price: Hourly
Frequency

Train

best

Take the train from Swansea to London Paddingtontrain Swansea - London Paddington / ...

3h 49m

£94–165

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 55m. The schedules shown below are for the next available departures.

Departing Wednesday, October 28, 2026

8:23 PM → 12:17 AM
Arrives next day
3h 54m • 2 changes

Departing Thursday, October 29, 2026

3:46 AM → 8:15 AM
4h 29m • 2 changes
4:59 AM → 8:45 AM
3h 46m • 2 changes
5:29 AM → 9:17 AM
3h 48m • 2 changes
5:57 AM → 10:02 AM
4h 5m • 2 changes
Show more

Departing Friday, October 30, 2026

3:46 AM → 8:15 AM
4h 29m • 2 changes
4:59 AM → 8:45 AM
3h 46m • 2 changes
5:29 AM → 9:17 AM
3h 48m • 2 changes
5:57 AM → 10:02 AM
4h 5m • 2 changes
Show more

Departing Saturday, October 31, 2026

3:56 AM → 8:18 AM
4h 22m • 2 changes
5:25 AM → 9:18 AM
3h 53m • 2 changes
5:52 AM → 9:47 AM
3h 55m • 2 changes
6:23 AM → 10:18 AM
3h 55m • 2 changes
Show more

Departing Sunday, November 1, 2026

7:55 AM → 11:47 AM
3h 52m • 2 changes
8:35 AM → 12:32 PM
3h 57m • 2 changes
9:23 AM → 1:18 PM
3h 55m • 2 changes
10:22 AM → 2:18 PM
3h 56m • 2 changes
Show more

Departing Monday, November 2, 2026

3:46 AM → 8:15 AM
4h 29m • 2 changes
4:59 AM → 8:45 AM
3h 46m • 2 changes
5:29 AM → 9:17 AM
3h 48m • 2 changes
5:57 AM → 10:02 AM
4h 5m • 2 changes
Show more

Departing Tuesday, November 3, 2026

3:46 AM → 8:15 AM
4h 29m • 2 changes
4:59 AM → 8:45 AM
3h 46m • 2 changes
5:29 AM → 9:17 AM
3h 48m • 2 changes
5:57 AM → 10:02 AM
4h 5m • 2 changes
Show more

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.

Swansea to Watford Junction trains

Trip Overview

Train

Swansea to Watford Junction train times

Departing Wednesday, October 28, 2026

8:23 PM → 12:17 AM
Arrives next day

Departing Thursday, October 29, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Friday, October 30, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Saturday, October 31, 2026

3:56 AM → 8:18 AM

5:25 AM → 9:18 AM

5:52 AM → 9:47 AM

6:23 AM → 10:18 AM

Departing Sunday, November 1, 2026

7:55 AM → 11:47 AM

8:35 AM → 12:32 PM

9:23 AM → 1:18 PM

10:22 AM → 2:18 PM

Departing Monday, November 2, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Tuesday, November 3, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Frequently asked questions

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

Train from Swansea to London Paddington

Swansea to Watford Junction trains

Find Transport to Watford Junction

Trip Overview

Train

Swansea to Watford Junction train times

Departing Wednesday, October 28, 2026

8:23 PM → 12:17 AMArrives next day

Departing Thursday, October 29, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Friday, October 30, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Saturday, October 31, 2026

3:56 AM → 8:18 AM

5:25 AM → 9:18 AM

5:52 AM → 9:47 AM

6:23 AM → 10:18 AM

Departing Sunday, November 1, 2026

7:55 AM → 11:47 AM

8:35 AM → 12:32 PM

9:23 AM → 1:18 PM

10:22 AM → 2:18 PM

Departing Monday, November 2, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Departing Tuesday, November 3, 2026

3:46 AM → 8:15 AM

4:59 AM → 8:45 AM

5:29 AM → 9:17 AM

5:57 AM → 10:02 AM

Frequently asked questions

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

Train from Swansea to London Paddington

Train trips from Swansea

Train trips to Watford Junction

Alternative transport options

8:23 PM → 12:17 AM
Arrives next day