The average bus between Heathrow and Portchester takes 2h 49m and the fastest bus takes 2h 16m. The bus service runs several times per day from Heathrow to Portchester. 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 every 4 hours between Heathrow and Portchester. The earliest departure is at 12:40 AM at night, and the last departure from Heathrow is at 10:45 PM which arrives into Portchester at 1:01 AM. All services require a transfer, and take on average 2h 49m. The schedules shown below are for the next available departures.

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2h 57m • 1 changeWant to know about travelling from Heathrow to Portchester? 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 Heathrow to Portchester. However, there are services departing from Heathrow station and arriving at Portchester station via Bus Station station. The journey, including transfers, takes approximately 2h 49m.
Heathrow to Portchester bus services, operated by National Express, depart from Heathrow Central Bus Station.
Heathrow to Portchester bus services, operated by National Express, arrive at Bus Station.
The distance between Heathrow and Portchester is 83.7 km. The road distance is 126 km.
National Express operates a bus from Heathrow Central Bus Station to Bus Station hourly. Tickets cost £14–35 and the journey takes 2h 10m.