Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Route 422 Park & Ride | Greyhound Bus Stop | No tags | ||||
Greyhound + FlixBus | Bus | Route 422 Park & Ride | Downtown SD (Seaport) | No tags | ||||
Greyhound + FlixBus | Bus | Route 422 Park & Ride | San Diego (Old Town-FlixBus) | No tags | ||||
Greyhound + FlixBus | Bus | Route 422 Park & Ride | UCSD Health La Jolla Station | No tags | ||||
FlixBus + Greyhound | Bus | Route 422 Park & Ride | Balboa Park | No tags |
Get from New Castle to San Diego
The journey takes about 3 days, 10 hours 15 minutes, and with fares starting at just $442, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 87504 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 WiFi. Greyhound ticket prices on this trip start at $332
Frequently asked questions about travelling from New Castle to San Diego, CA, US by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from New Castle to San Diego?
The cheapest bus tickets from New Castle to San Diego start from $442. The average price for this route is around $442. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from New Castle to San Diego?
The average bus travel time from New Castle to San Diego is 3d 10h, covering a distance of 3382 km. The quickest bus can get you there in 2d 23h and is operated by Greyhound.
Which bus companies service the New Castle to San Diego route?
Several major bus companies operate on this route with 1 buses available per day.
What are the earliest and latest departure times for the bus from New Castle to San Diego?
The earliest bus departs from New Castle to San Diego at 3:00pm. And the latest bus departs at 3:00pm.
What are the CO₂ emissions for the bus trip from New Castle to San Diego?
A bus trip from New Castle to San Diego generates an estimated 85 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from New Castle to San Diego, CA, US was searched and found on Jan 17, 2026 with a price of $310To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from New Castle to San Diego, CA, US, as early as possible.
You can expect to pay from $310 to $310 for a bus ticket from New Castle to San Diego, CA, US based on the last 2 days. You can expect to find the cheapest price for the trip at $310 which is on 2026-01-17.
