The average train between Portsmouth and Kilmarnock takes 8h 39m and the fastest train takes 7h 29m. There is a train service every few hours from Portsmouth to Kilmarnock. 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 Kilmarnock. The earliest departure is at 5:13 AM in the morning, and the last departure from Portsmouth is at 10:37 PM which arrives into Kilmarnock at 11:52 AM. All services require a transfer at London Waterloo Station and take an average of 8h 39m. The schedules shown below are for the next available departures.



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7h 30m • 3 changesWant to know about travelling from Portsmouth to Kilmarnock? 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 Kilmarnock. However, there are services departing from Portsmouth & Southsea station and arriving at Glasgow Central station via London Waterloo station. The journey, including transfers, takes approximately 8h 39m.
Portsmouth to Kilmarnock train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Kilmarnock train services, operated by Avanti West Coast, arrive at Glasgow Central station.
Book your Portsmouth to Kilmarnock train tickets online with Omio.
The distance between Portsmouth and Kilmarnock is 581 km. The road distance is 692 km.
You can take a train from Portsmouth & Southsea to Kilmarnock via London Waterloo Station, Waterloo station, Euston station, London Euston, and Glasgow Central in around 8h 2m.