The average bus between Quebec and Portsmouth takes 19h 36m and the fastest bus takes 16h 40m. The bus service runs several times per day from Quebec 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 twice daily between Quebec and Portsmouth. The earliest departure is at 1:30 PM in the afternoon, and the last departure from Quebec is at 10:00 PM which arrives into Portsmouth at 7:50 PM. All services require a transfer at Montréal and take an average of 19h 36m. The schedules shown below are for the next available departures.
Arrives next day


16h 40m • 2 changes
Arrives next day


21h 50m • 2 changes
Arrives next day


16h 40m • 2 changes
Arrives next day


21h 50m • 2 changes
Arrives next day


16h 40m • 2 changes
Arrives next day


21h 50m • 2 changes
Arrives next day


16h 40m • 2 changes
Arrives next day


21h 50m • 2 changes
Want to know about travelling from Quebec 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 Quebec to Portsmouth. However, there are services departing from Quebec station and arriving at Portsmouth station via Montréal. The journey, including transfers, takes approximately 19h 36m.
Quebec to Portsmouth bus services, operated by Orléans Express, depart from Québec station.
Quebec to Portsmouth bus services, operated by Orléans Express, arrive at Portsmouth Bus Stop station.
Book your Quebec to Portsmouth bus tickets online with Orléans Express, Flixbus USA and Greyhound USA.
The distance between Quebec and Portsmouth is 416.9 km. The road distance is 853 km.
You can take a bus from Québec to Portsmouth Bus Stop via Montréal, Montreal, and Boston in around 13h 15m.