Train from Boston, MA, US to San Diego, CA, US: Tickets & Timetables

Next train departures

Next departures from Boston to San Diego on 7 December
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
AmtrakTrain
Back Bay Station
Old Town San DiegoCheapestFastest
AmtrakTrain
Back Bay Station
Santa Fe DepotNo tags
AmtrakTrain
South Station (Train Terminal)
Santa Fe DepotNo tags
AmtrakTrain
South Station (Train Terminal)
Old Town San DiegoNo tags

Last refresh of the prices: Last Wednesday at 00:56 EST.

Compare 2 ways to travel from Boston to San Diego

We recommend taking the bus

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 £109, it presents an excellent value for a comfortable ride.

16bus per day
3d 11hAverage duration
2571 milesDistance
104kgCO₂ emissions
Average price£109 - £609Average duration3d 11h
104kg CO₂e
Average price£328 - £1,998Average duration3d 7h
378kg CO₂e

Frequently asked questions about travelling from Boston, MA, US to San Diego, CA, US by train

Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.

  1. How much does a train ticket cost from Boston to San Diego?

    The cheapest train tickets from Boston to San Diego start from £328. The average price for this train route is around £463. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.

  2. How long is the train journey from Boston to San Diego?

    The average train journey time from Boston to San Diego is 3d 7h, covering a distance of 2573 miles. The fastest train gets you there in 3d 2h and is operated by Amtrak.

  3. Which train operators serve the Boston to San Diego route?

    Several major train operators run on this route with 6 trains available per day.

  4. 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 06:10. And the latest train departs at 12:57.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
03/12
£351
04/12
£1,243
Today
£1,204
06/12
£1,766
07/12
£2,177
08/12
No data
09/12
No data
10/12
No data
busbud logoThe cheapest trip from Boston, MA, US to San Diego, CA, US was searched and found on 3 Dec 2025 with a price of £351

To 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 £351 to £2,532 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 £1,766, which is on 2025-12-06.

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