The average train between Portsmouth and Luton takes 2h 55m and the fastest train takes 2h 35m. There is an hourly train service from Portsmouth to Luton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Portsmouth and Luton. The earliest departure is at 4:35 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into Luton at 6:47 AM. All services require a transfer at London Waterloo Station and take an average of 2h 55m. The schedules shown below are for the next available departures.


2h 36m • 2 changes


2h 48m • 2 changes


2h 55m • 2 changes
Arrives next day


2h 55m • 2 changes


2h 51m • 2 changes


3h 8m • 2 changes


2h 51m • 2 changes


3h 5m • 2 changes


2h 51m • 2 changes


3h 8m • 2 changes


2h 51m • 2 changes


3h 5m • 2 changes
Want to know about travelling from Portsmouth to Luton? 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.
No, there is no direct train from Portsmouth to Luton. However, there are services departing from Portsmouth station and arriving at Luton station via London Waterloo. The journey, including transfers, takes approximately 2h 55m.
Portsmouth to Luton train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Luton train services, operated by South Western Railway, arrive at Luton station.
Book your Portsmouth to Luton train tickets online with South Western Railway, London Underground (Tube) and Thameslink.
The distance between Portsmouth and Luton is 129 km. The road distance is 169 km.
You can take a train from Portsmouth & Southsea to Luton via London Waterloo Station, Waterloo Station, West Hampstead station, and West Hampstead Thameslink in around 2h 23m.