Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Back Bay Station | Old Town San Diego | CheapestFastest | ||||
| Train | Back Bay Station | Santa Fe Depot | No tags | ||||
| Train | South Station (Train Terminal) | Santa Fe Depot | No tags | ||||
| Train | South Station (Train Terminal) | Old Town San Diego | No tags |
Last refresh of the prices: Last Wednesday at 12:56 AM EST.
Compare 2 ways to go from Boston to San Diego
Among the sustainable travel choices, the bus stands out as a good way to reach San Diego. The journey takes about 3 days, 11 hours 10 minutes, and with fares starting at just $203, it presents an excellent value for a comfortable ride.
Train companies
Based on 5625 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the seats and the ticket access but often complained with the WiFi. Amtrak ticket prices on this trip start at $609
Frequently asked questions about travelling from Boston, MA, US to San Diego, CA, US by train
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 train ticket from Boston to San Diego?
The cheapest train tickets from Boston to San Diego start at $609. The average price for this train route is around $860. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Boston to San Diego?
The average train trip from Boston to San Diego takes 3d 7h and covers 4150 km. The quickest train gets you there in 3d 2h and is operated by Amtrak.
Which train operators serve the Boston to San Diego route?
Several major train operators serve this route, with 6 trains available per day.
What are the earliest and latest departure times for the train from Boston to San Diego?
The earliest train from Boston to San Diego departs at 6:10am. The latest train departs at 12:57pm.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Boston, MA, US to San Diego, CA, US was searched and found on Dec 3, 2025 with a price of $652To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Boston, MA, US to San Diego, CA, US, as early as possible.
You can expect to pay from $652 to $4,707 for a train ticket from Boston, MA, US to San Diego, CA, US based on the last 2 days. You can expect to find the cheapest price for the trip at $3,281 which is on 2025-12-06.
