The average bus between Portsmouth and Usk takes 7h 33m and the fastest bus takes 5h 8m. The bus service runs several times per day from Portsmouth to Usk. 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 Portsmouth and Usk. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Usk at 6:26 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 7h 33m. The schedules shown below are for the next available departures.


8h 8m • 2 changes

6h 53m • 2 changes

6h 8m • 2 changes

7h 5m • 2 changes

8h 8m • 2 changes

7h 23m • 2 changes

6h 58m • 2 changes

6h 48m • 2 changes

8h 8m • 2 changes

5h 58m • 2 changes

5h 44m • 2 changesArrives next day


10h 16m • 2 changes

8h 8m • 2 changes

6h 53m • 2 changes

6h 8m • 2 changes

7h 5m • 2 changes

8h 8m • 2 changes

6h 53m • 2 changes

5h 8m • 2 changes

6h 6m • 2 changesWant to know about travelling from Portsmouth to Usk? 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 Usk. However, there are services departing from Portsmouth station and arriving at Usk station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 7h 33m.
Portsmouth to Usk bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Usk bus services, operated by National Express, arrive at Kingsway K14 station.
The distance between Portsmouth and Usk is 161.3 km. The road distance is 325 km.
You can take a bus from The Hard Interchange to Clock Tower via Heathrow Central Bus Station, Kingsway K14, and Friars Walk 10 in around 6h 14m.