The average bus between Swindon and Portsmouth Harbour takes 4h 26m and the fastest bus takes 3h 35m. The bus service runs several times per day from Swindon to Portsmouth Harbour. 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 Swindon and Portsmouth Harbour. The earliest departure is at 5:25 AM in the morning, and the last departure from Swindon is at 5:20 PM which arrives into Portsmouth Harbour at 9:50 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 4h 26m. The schedules shown below are for the next available departures.

5h 25m • 1 change

3h 35m • 1 change

5h 15m • 1 change

5h 45m • 1 change

5h 25m • 1 change

3h 35m • 1 change

5h 15m • 1 change

5h 45m • 1 change

5h 25m • 1 change

3h 35m • 1 change

5h 15m • 1 change

5h 45m • 1 change

5h 25m • 1 change

3h 40m • 1 change

4h 5m • 1 change

4h 20m • 1 change

4h 45m • 1 change

3h 40m • 1 change

3h 40m • 1 change

3h 35m • 1 change

4h 45m • 1 change

3h 40m • 1 change

3h 40m • 1 change

3h 35m • 1 change
Want to know about travelling from Swindon to Portsmouth Harbour? 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 Swindon to Portsmouth Harbour. However, there are services departing from Swindon station and arriving at Portsmouth Harbour station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 4h 26m.
Swindon to Portsmouth Harbour bus services, operated by National Express, depart from Fleming Way station.
Swindon to Portsmouth Harbour bus services, operated by National Express, arrive at St Georges Square station.
Book your Swindon to Portsmouth Harbour bus tickets online with National Express.
The distance between Swindon and Portsmouth Harbour is 96.8 km. The road distance is 215 km.
You can take a bus from Fleming Way to Portsmouth Harbour via Heathrow Central Bus Station and St Georges Square in around 4h 18m.