The average bus between Uxbridge and Portsmouth takes 2h 20m and the fastest bus takes 2h 11m. The bus service runs several times per day from Uxbridge to Portsmouth. 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 Uxbridge and Portsmouth. The earliest departure is at 12:00 AM at night, and the last departure from Uxbridge is at 10:18 PM which arrives into Portsmouth at 12:30 AM. All services require a transfer, and take on average 2h 20m. The schedules shown below are for the next available departures.

2h 15m • 1 change

2h 25m • 1 change

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2h 16m • 1 change

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2h 17m • 1 change

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2h 19m • 1 change

2h 28m • 1 change

2h 16m • 1 change

2h 15m • 1 change

2h 19m • 1 change

2h 33m • 1 change

2h 43m • 1 change

2h 15m • 1 change

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2h 33m • 1 change

2h 43m • 1 change

2h 15m • 1 change

2h 19m • 1 change

2h 33m • 1 change

2h 43m • 1 change
Want to know about travelling from Uxbridge to Portsmouth? 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 Uxbridge to Portsmouth. However, there are services departing from Uxbridge station and arriving at Portsmouth station via St Georges Square. The journey, including transfers, takes approximately 2h 20m.
Uxbridge to Portsmouth bus services, operated by Carousel Buses, depart from Heathrow Central Bus Station.
Uxbridge to Portsmouth bus services, operated by Carousel Buses, arrive at St Georges Square station.
The distance between Uxbridge and Portsmouth is 93.6 km. The road distance is 117 km.
National Express operates a bus from Heathrow Central Bus Station to St Georges Square hourly. Tickets cost £12–30 and the journey takes 1h 50m.