- Portsmouth to San Diego buses
Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
Greyhound + FlixBus | Bus | Portsmouth | 5716 Hardy Ave | No tags | ||||
![]() | Bus | Portsmouth | Greyhound Bus Stop | No tags | ||||
FlixBus + Greyhound | Bus | Portsmouth | Balboa Park | No tags | ||||
Greyhound + FlixBus | Bus | Portsmouth | UCSD Health La Jolla Station | No tags | ||||
Greyhound + FlixBus | Bus | Portsmouth | San Diego (Old Town-FlixBus) | No tags |
Get from Portsmouth to San Diego
The journey takes about 3 days, 9 hours 40 minutes, and with fares starting at just £192, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 87492 reviews, the company was rated 3.5 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained with the Wi-Fi. Greyhound ticket prices on this trip start at £192
Frequently asked questions about travelling by bus from Portsmouth, NH, US to San Diego, CA, US
Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.
How much is the bus ticket from Portsmouth to San Diego?
The cheapest coach tickets from Portsmouth to San Diego start from £192. The average price for this route is around £208. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus journey from Portsmouth to San Diego?
The average bus journey time from Portsmouth to San Diego is 3d 9h, covering a distance of 2588 miles. The fastest bus can take you there in 3d 5h and is operated by Greyhound.
Which bus companies service the Portsmouth to San Diego route?
Several major bus companies operate on this route with 6 buses available per day.
What is the earliest and latest departure time for the bus from Portsmouth to San Diego?
The earliest bus departs from Portsmouth to San Diego at 14:50. And the latest bus departs at 14:50.
What are the CO₂ emissions for the bus trip from Portsmouth to San Diego?
A bus journey from Portsmouth to San Diego produces an estimated 104 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.






