Hounslow to Portsmouth Trains

Hounslow to Portsmouth trains

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Trip Overview

The average train between Hounslow and Portsmouth takes 2h 54m and the fastest train takes 2h 40m. There is an hourly train service from Hounslow to Portsmouth. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 54m
Duration: 92 mi
Distance: £49
Average price: Hourly
Frequency

Train

best

Take the train from Clapham Junction to Portsmouth & Southseatrain London Victoria - Portsmouth Harbour / ...

2h 44m

£34–72

Hounslow to Portsmouth train times

Trains run hourly between Hounslow and Portsmouth. The earliest departure is at 5:31 AM in the morning, and the last departure from Hounslow is at 8:47 PM which arrives into Portsmouth at 11:53 PM. All services require a transfer, and take on average 2h 54m. The schedules shown below are for the next available departures.

Departing Sunday, November 1, 2026

7:05 PM → 9:49 PM
2h 44m • 1 change
8:05 PM → 10:49 PM
2h 44m • 1 change
8:35 PM → 11:26 PM
2h 51m • 1 change

Departing Monday, November 2, 2026

5:31 AM → 8:16 AM
2h 45m • 1 change
6:59 AM → 9:39 AM
2h 40m • 1 change
7:29 AM → 10:15 AM
2h 46m • 1 change
7:45 AM → 10:37 AM
2h 52m • 1 change
Show more

Departing Tuesday, November 3, 2026

5:31 AM → 8:16 AM
2h 45m • 1 change
6:59 AM → 9:39 AM
2h 40m • 1 change
7:29 AM → 10:15 AM
2h 46m • 1 change
7:45 AM → 10:37 AM
2h 52m • 1 change
Show more

Departing Wednesday, November 4, 2026

5:31 AM → 8:16 AM
2h 45m • 1 change
6:59 AM → 9:39 AM
2h 40m • 1 change
7:29 AM → 10:15 AM
2h 46m • 1 change
7:45 AM → 10:37 AM
2h 52m • 1 change
Show more

Departing Thursday, November 5, 2026

5:31 AM → 8:16 AM
2h 45m • 1 change
6:59 AM → 9:39 AM
2h 40m • 1 change
7:29 AM → 10:15 AM
2h 46m • 1 change
7:45 AM → 10:37 AM
2h 52m • 1 change
Show more

Departing Friday, November 6, 2026

5:31 AM → 8:16 AM
2h 45m • 1 change
6:59 AM → 9:39 AM
2h 40m • 1 change
7:29 AM → 10:15 AM
2h 46m • 1 change
7:45 AM → 10:37 AM
2h 52m • 1 change
Show more

Departing Saturday, November 7, 2026

5:31 AM → 8:15 AM
2h 44m • 1 change
5:47 AM → 8:36 AM
2h 49m • 1 change
6:17 AM → 9:17 AM
3h • 1 change
6:47 AM → 9:38 AM
2h 51m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Hounslow to Portsmouth? 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.