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Windsor Castle to Portsmouth trains

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Trip Overview

The average train between Windsor Castle and Portsmouth takes 3h 6m and the fastest train takes 2h 26m. There is a train service every few hours from Windsor Castle 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.

3h 6m
Duration
91 mi
Distance
£39
Average price
Hourly
Frequency

Train

best
  1. Take the train from Windsor & Eton Riverside to Clapham Junctiontrain train Windsor & Eton Riverside - London Waterloo
  2. Take the train from Clapham Junction to Portsmouth & Southseatrain train London Waterloo - Portsmouth Harbour / ...
3h 41m
£33–71

Windsor Castle to Portsmouth train times

Trains run hourly between Windsor Castle and Portsmouth. The earliest departure is at 5:52 AM in the morning, and the last departure from Windsor Castle is at 10:51 PM which arrives into Portsmouth at 7:16 AM. All services require a transfer at Windsor & Eton Riverside and take an average of 3h 6m. The schedules shown below are for the next available departures.

Departing Monday, October 19, 2026

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

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    South Western RailwaySouth Western Railway2h 55m • 1 change

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    South Western RailwaySouth Western Railway2h 54m • 1 change

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    Arrives next day

    South Western RailwaySouth Western Railway2h 59m • 1 change
  • Show more

Departing Tuesday, October 20, 2026

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 51m • 1 change

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    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway3h 21m • 1 change
  • Show more

Departing Wednesday, October 21, 2026

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 51m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway3h 21m • 1 change
  • Show more

Departing Thursday, October 22, 2026

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 51m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway3h 21m • 1 change
  • Show more

Departing Friday, October 23, 2026

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 51m • 1 change

  •  → 

    South Western RailwaySouth Western Railway2h 53m • 1 change

  •  → 

    South Western RailwaySouth Western Railway3h 21m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Windsor Castle 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.

Map of how to get from Windsor Castle to Portsmouth.ExpandLaunch map view
  • Distance: 91.2 mi
  • Duration: 3h 6m

What companies run services between Windsor Castle, Windsor and Maidenhead, England and Portsmouth, England?

You can take a vehicle from Windsor Castle to Portsmouth & Southsea via Windsor & Eton Riverside and Clapham Junction in around 3h 41m.

Operators