The average bus between Portsmouth and Dunstable takes 4h 20m and the fastest bus takes 3h 32m. The bus service runs several times per day from Portsmouth to Dunstable. 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 Portsmouth and Dunstable. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Dunstable at 12:43 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 4h 20m. The schedules shown below are for the next available departures.


4h 32m • 2 changes

3h 32m • 2 changes

4h 47m • 2 changes

4h 13m • 2 changes

4h 32m • 2 changes

3h 32m • 2 changes

4h 47m • 2 changes

4h 13m • 2 changes

4h 32m • 2 changes

3h 32m • 2 changes

4h 47m • 2 changes

4h 13m • 2 changes

4h 32m • 2 changes

3h 32m • 2 changes

4h 2m • 2 changes

4h 33m • 2 changes

5h 17m • 2 changes

4h 2m • 2 changes

3h 52m • 2 changes

4h 32m • 2 changes

4h 21m • 2 changes

4h 6m • 2 changes

3h 45m • 2 changes

4h 25m • 2 changes

4h 32m • 2 changes

3h 32m • 2 changes

4h 2m • 2 changes

4h 33m • 2 changesWant to know about travelling from Portsmouth to Dunstable? 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 Portsmouth to Dunstable. However, there are services departing from The Hard Interchange station and arriving at Airport Bus Station via Heathrow Central Bus Station. The journey, including transfers, takes approximately 4h 20m.
Portsmouth to Dunstable bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Dunstable bus services, operated by National Express, arrive at Airport Bus Station.
The distance between Portsmouth and Dunstable is 127.1 km. The road distance is 154 km.
You can take a bus from The Hard Interchange to Asda via Heathrow Central Bus Station and Airport Bus Station in around 4h 17m.