The average bus between Rennes and Portsmouth takes 18h 41m and the fastest bus takes 16h 35m. The bus service runs several times per day from Rennes 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 4 times a day between Rennes and Portsmouth. The earliest departure is at 1:40 AM at night, and the last departure from Rennes is at 7:15 PM which arrives into Portsmouth at 12:15 PM. All services require a transfer at Paris, Quai de Bercy (Bercy Seine) and take an average of 18h 41m. The schedules shown below are for the next available departures.


15h 35m • 2 changes
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17h • 2 changes


19h 45m • 2 changes


15h 35m • 2 changes
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16h 35m • 2 changes
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18h 35m • 2 changes


19h 45m • 2 changes


15h 35m • 2 changes
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16h 35m • 2 changes
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18h 35m • 2 changes


20h 10m • 2 changes


16h 5m • 2 changes
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16h 35m • 2 changes
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18h 25m • 2 changes


20h 10m • 2 changes
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16h 35m • 2 changes
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18h 25m • 2 changes
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17h • 2 changes
Want to know about travelling from Rennes 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 Rennes to Portsmouth. However, there are services departing from Rennes station and arriving at Portsmouth station via Paris, Quai de Bercy (Bercy Seine). The journey, including transfers, takes approximately 18h 41m.
Rennes to Portsmouth bus services, operated by FlixBus, depart from Rennes station.
Rennes to Portsmouth bus services, operated by FlixBus, arrive at St Georges Square station.
Book your Rennes to Portsmouth bus tickets online with FlixBus and National Express.
The distance between Rennes and Portsmouth is 301.7 km. The road distance is 939 km.
You can take a bus from Rennes to St Georges Square via Paris, Quai de Bercy (Bercy Seine) and London Victoria in around 18h 12m.