The average bus between Heathrow and Portchester takes 2h 47m 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 47m. The schedules shown below are for the next available departures.

3h 44m • 1 change

2h 28m • 1 change

2h 35m • 1 change

2h 57m • 1 change

3h 44m • 1 change

2h 28m • 1 change

2h 35m • 1 change

2h 57m • 1 change

3h 44m • 1 change

2h 28m • 1 change

2h 35m • 1 change

2h 57m • 1 change

3h 44m • 1 change

2h 28m • 1 change

2h 40m • 1 change

2h 55m • 1 change

3h 57m • 1 change

2h 28m • 1 change

2h 42m • 1 change

2h 28m • 1 change

4h 57m • 1 change

2h 30m • 1 change

2h 41m • 1 change

2h 26m • 1 change

3h 44m • 1 change

2h 28m • 1 change

2h 40m • 1 change

2h 26m • 1 change
Want 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 47m.
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.