The average bus between Portsmouth and Merstham takes 4h 3m and the fastest bus takes 3h 35m. The bus service runs several times per day from Portsmouth to Merstham. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 5 times a day between Portsmouth and Merstham. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 4:55 PM which arrives into Merstham at 8:33 PM. All services require a transfer at Heathrow Terminal 5 and take an average of 4h 3m. The schedules shown below are for the next available departures.



3h 38m • 3 changes



4h 20m • 3 changes



4h 1m • 3 changes



4h 34m • 3 changes



3h 38m • 3 changes



4h 20m • 3 changes



4h 1m • 3 changes



4h 34m • 3 changes



3h 38m • 3 changes



4h 20m • 3 changes



4h 1m • 3 changes



4h 31m • 3 changes



3h 45m • 3 changes



3h 35m • 3 changes



3h 53m • 3 changes



4h 2m • 3 changes



3h 38m • 3 changes



4h 20m • 3 changes



4h 1m • 3 changes



4h 31m • 3 changes
Want to know about travelling from Portsmouth to Merstham? 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 bus from Portsmouth to Merstham. However, there are services departing from Portsmouth station and arriving at Merstham station via Heathrow Terminal 5. The journey, including transfers, takes approximately 4h 3m.
Portsmouth to Merstham bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Merstham bus services, operated by National Express, arrive at Redhill Bus Station.
Book your Portsmouth to Merstham bus tickets online with National Express and Metrobus.
The distance between Portsmouth and Merstham is 83.6 km. The road distance is 179 km.
You can take a bus from The Hard Interchange to Albury Road via Heathrow Terminal 5, North Terminal Bus Station, and Redhill Bus Station in around 3h 25m.