The average bus between London and Port Glasgow takes 11h 49m and the fastest bus takes 10h 11m. The bus service runs several times per day from London to Port Glasgow. 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 London and Port Glasgow. The earliest departure is at 7:30 AM in the morning, and the last departure from London is at 11:59 PM which arrives into Port Glasgow at 10:41 AM. All services require a transfer, and take on average 11h 49m. The schedules shown below are for the next available departures.

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12h 13m • 1 changeWant to know about travelling from London to Port Glasgow? 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 London to Port Glasgow. However, there are services departing from London station and arriving at Port Glasgow station via Buchanan Bus Station station. The journey, including transfers, takes approximately 11h 49m.
London to Port Glasgow bus services, operated by FlixBus, depart from London Victoria station.
London to Port Glasgow bus services, operated by FlixBus, arrive at Buchanan Bus Station.
Book your London to Port Glasgow bus tickets online with FlixBus, McGills Buses and National Express.
The distance between London and Port Glasgow is 576.3 km. The road distance is 704 km.
FlixBus operates a bus from London Victoria to Buchanan Bus Station every 30 minutes. Tickets cost £45–75 and the journey takes 9h 15m. National Express also services this route every 4 hours.