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Flitwick to Portsmouth trains

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Trip Overview

The average train between Flitwick and Portsmouth takes 3h 11m and the fastest train takes 2h 46m. The train runs at least 2 times per hour from Flitwick 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 11m
Duration
115 mi
Distance
£55
Average price
Every 30 minutes
Frequency

Train via London

best
  1. Take the train from Flitwick to West Hampstead Thameslinktrain train Bedford - Brighton / ...
  2. Take the train from London Waterloo to Portsmouth & Southseatrain train London Waterloo - Portsmouth Harbour / ...
2h 45m
£50–88

Flitwick to Portsmouth train times

Trains run every 30 minutes between Flitwick and Portsmouth. The earliest departure is at 4:24 AM at night, and the last departure from Flitwick is at 11:18 PM which arrives into Portsmouth at 7:16 AM. All services require a transfer at West Hampstead Thameslink and take an average of 3h 11m. The schedules shown below are for the next available departures.

Departing Sunday, October 11, 2026

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    ThameslinkLondon Underground (Tube)South Western Railway2h 46m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway3h 11m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway2h 47m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway3h 11m • 2 changes
  • Show more

Departing Monday, October 12, 2026

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    ThameslinkLondon Underground (Tube)South Western Railway3h 21m • 2 changes

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    ThameslinkLondon Underground (Tube)South Western Railway3h 15m • 2 changes

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    ThameslinkLondon Underground (Tube)South Western Railway3h 6m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway2h 54m • 2 changes
  • Show more

Departing Tuesday, October 13, 2026

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway3h 21m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway3h 15m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway3h 6m • 2 changes

  •  → 

    ThameslinkLondon Underground (Tube)South Western Railway2h 54m • 2 changes
  • Show more

Frequently asked questions

Want to know about travelling from Flitwick 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 Flitwick to Portsmouth.ExpandLaunch map view
  • Distance: 115.3 mi
  • Duration: 3h 11m

What companies run services between Flitwick, England and Portsmouth, England?

You can take a train from Flitwick to Portsmouth & Southsea via West Hampstead Thameslink, West Hampstead station, Waterloo station, and London Waterloo in around 2h 45m.

Operators