There are 9 ways to get from Princeton to San Diego by train, plane, train (Amtrak), bus (Greyhound, Amtrak), car, or bus
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train to Newark Liberty International Airport, fly
best- Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
- Fly from Newark Liberty International Airport (EWR) to San Diego International Airport (SAN)plane EWR - SAN
8h 14m$390–947Train to Philadelphia International Airport, fly
cheapest- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to San Diego International Airport (SAN)plane PHL - SAN
9h 19m$168–305Train via Ossining
- Take the train from Princeton Jct. to New York Penn Stationtrain
- Take the train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Stationtrain
- Take the train from Croton-Harmon Amtrak Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Fullerton Amtrak Stationtrain
- Take the train from Fullerton Amtrak Station to San Diegotrain
2d 22h$1,778–2,852Bus
- Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminalbus
- Take the bus from Port Authority Bus Terminal to St Louis Bus Stationbus
- Take the bus from St Louis Bus Station to Los Angeles Union Stationbus
- Take the bus from Los Angeles to San Diegobus
2d 23hDrive 2,710.2 mi
- Drive from Princeton to San Diegocar 2,710.2 mi
44h 40m$495–715Train to John F. Kennedy International Airport, fly
- Take the train from Princeton Jct. to New York Penn Stationtrain
- Fly from John F. Kennedy International Airport (JFK) to San Diego International Airport (SAN)plane JFK - SAN
9h 23m$210–1,153Train to Baltimore-Washington International Airport, fly
- Take the train from Trenton to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to San Diego International Airport (SAN)plane BWI - SAN
9h 59m$428–778Train, bus
- Take the train from Trenton Transit Center to Jefferson Stationtrain
- Take the bus from Philadelphia Bus Station to Chicago Bus Stationbus
- Take the train from Chicago Union Station to Fullerton Amtrak Stationtrain
- Take the train from Fullerton Amtrak Station to San Diegotrain
2d 22h$1,401–2,223Train (Amtrak)
- Take the train from Trenton to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Fullerton Amtrak Stationtrain
- Take the train from Fullerton Amtrak Station to San Diegotrain
3d 4h$1,858–2,948
Princeton to San Diego by train
Comparing Your Travel Options
The cheapest way to get from Princeton to San Diego is to train and fly which costs $160 - $310 and takes 9h 19m.
The fastest way to get from Princeton to San Diego is to train and fly which takes 8h 14m and costs $390 - $950.
No, there is no direct bus from Princeton to San Diego. However, there are services departing from Nassau St & S Tulane St - Palmer Square and arriving at San Diego via Port Authority Bus Terminal, St Louis Bus Station and Los Angeles. The journey, including transfers, takes approximately 2 days 23h.
No, there is no direct train from Princeton to San Diego. However, there are services departing from Princeton and arriving at San Diego via Princeton Jct., Ny Moynihan Train Hall At Penn Station, Croton-Harmon Amtrak Station, Chicago Union Station and Fullerton Amtrak Station. The journey, including transfers, takes approximately 2 days 22h.
The distance between Princeton and San Diego is 2475 miles. The road distance is 2726 miles.
The best way to get from Princeton to San Diego without a car is to train via Ossining which takes 2 days 22h and costs $1,700 - $2,900.
It takes approximately 8h 14m to get from Princeton to San Diego, including transfers.
Princeton to San Diego bus services, operated by Rockland Coaches, depart from Nassau St & S Tulane St - Palmer Square station.
Princeton to San Diego train services, operated by NJ Transit, depart from Princeton Jct. station.
The best way to get from Princeton to San Diego is to train via Ossining which takes 2 days 22h and costs $1,700 - $2,900. Alternatively, you can bus, which costs and takes 2 days 23h.
What companies run services between Princeton, NJ, USA and San Diego, CA, USA?
You can take a train from Princeton to San Diego via Princeton Jct., Penn Station, Ny Moynihan Train Hall At Penn Station, Croton-Harmon Amtrak Station, Chicago Union Station, and Fullerton Amtrak Station in around 2d 22h. Alternatively, you can take a bus from Nassau St & S Tulane St - Palmer Square to San Diego via Port Authority Bus Terminal, St Louis Bus Station, Los Angeles Union Station, and Los Angeles in around 2d 23h.
- Website
- southwest.com
Flights from Philadelphia International Airport to San Diego International Airport via St. Louis
- Ave. Duration
- 7h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $210–850
Flights from Philadelphia International Airport to San Diego International Airport via Chicago Midway
- Ave. Duration
- 7h 42m
- When
- Saturday
- Estimated price
- $210–850
Flights from Philadelphia International Airport to San Diego International Airport via Denver
- Ave. Duration
- 7h 53m
- When
- Monday, Thursday, Friday, Sunday, and Saturday
- Estimated price
- $210–900
Flights from Philadelphia International Airport to San Diego International Airport via Dallas
- Ave. Duration
- 7h 55m
- When
- Saturday
- Estimated price
- $220–900
Flights from Baltimore-Washington International Airport to San Diego International Airport
- Ave. Duration
- 5h 36m
- When
- Every day
- Estimated price
- $180–800
Flights from Baltimore-Washington International Airport to San Diego International Airport via St. Louis
- Ave. Duration
- 6h 55m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $180–800
Flights from Baltimore-Washington International Airport to San Diego International Airport via Phoenix
- Ave. Duration
- 7h 22m
- When
- Sunday, Tuesday, and Wednesday
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to San Diego International Airport via Dallas
- Ave. Duration
- 7h 15m
- When
- Monday, Thursday, and Friday
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to San Diego International Airport via Denver
- Ave. Duration
- 7h 25m
- When
- Saturday, Monday, Thursday, and Friday
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to San Diego International Airport via Las Vegas
- Ave. Duration
- 7h 27m
- When
- Sunday, Monday, Thursday, and Friday
- Estimated price
- $190–800
- Website
- united.com
Flights from Newark Liberty International Airport to San Diego International Airport
- Ave. Duration
- 6h 1m
- When
- Every day
- Estimated price
- $180–750
Flights from Newark Liberty International Airport to San Diego International Airport via Denver
- Ave. Duration
- 8h 12m
- When
- Every day
- Estimated price
- $180–750
Flights from Philadelphia International Airport to San Diego International Airport via Denver
- Ave. Duration
- 7h 50m
- When
- Every day
- Estimated price
- $210–900
Flights from Baltimore-Washington International Airport to San Diego International Airport via Denver
- Ave. Duration
- 7h 28m
- When
- Every day
- Estimated price
- $190–800
- Website
- aa.com
Flights from Newark Liberty International Airport to San Diego International Airport
- Ave. Duration
- 6h
- When
- Every day
- Estimated price
- $440–950
Flights from Newark Liberty International Airport to San Diego International Airport via Phoenix
- Ave. Duration
- 8h 11m
- When
- Every day
- Estimated price
- $180–750
Flights from John F. Kennedy International Airport to San Diego International Airport via Phoenix
- Ave. Duration
- 9h 11m
- When
- Every day
- Estimated price
- $150–650
Flights from Philadelphia International Airport to San Diego International Airport
- Ave. Duration
- 5h 58m
- When
- Every day
- Estimated price
- $210–850
Flights from Philadelphia International Airport to San Diego International Airport via Phoenix
- Ave. Duration
- 7h 47m
- When
- Every day
- Estimated price
- $210–850
- Website
- delta.com
Flights from John F. Kennedy International Airport to San Diego International Airport
- Ave. Duration
- 6h 11m
- When
- Every day
- Estimated price
- $150–600
Flights from John F. Kennedy International Airport to San Diego International Airport via Los Angeles
- Ave. Duration
- 8h 35m
- When
- Every day
- Estimated price
- $150–650
Flights from John F. Kennedy International Airport to San Diego International Airport via Las Vegas
- Ave. Duration
- 10h 4m
- When
- Every day
- Estimated price
- $150–650
- Website
- alaskaair.com
Flights from Newark Liberty International Airport to San Diego International Airport
- Ave. Duration
- 6h
- When
- Every day
- Estimated price
- $440–950
Flights from John F. Kennedy International Airport to San Diego International Airport
- Ave. Duration
- 6h 8m
- When
- Every day
- Estimated price
- $190–1,100
- Website
- jetblue.com
Flights from John F. Kennedy International Airport to San Diego International Airport
- Ave. Duration
- 6h 7m
- When
- Every day
- Estimated price
- $150–600
- Phone
- +1 973-275-5555
- Website
- New Jersey Transit
Train from Princeton Jct. to Newark Airport Railroad Station
- Ave. Duration
- 54 min
- Frequency
- Every 30 minutes
- Estimated price
- $21–27
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult Airport
- $21–27
Train from Princeton Jct. to New York Penn Station
- Ave. Duration
- 1h 20m
- Frequency
- Every 30 minutes
- Estimated price
- $3–23
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult
- $3–23
Train from Princeton Jct. to New York Penn Station
- Ave. Duration
- 1h 20m
- Frequency
- Every 30 minutes
- Estimated price
- $3–23
- Website
- New Jersey Transit
- Website
- NJ Transit: World Cup 2026
- Adult
- $3–23
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Station
- Ave. Duration
- 43 min
- Frequency
- Hourly
- Estimated price
- $17–28
- Website
- Amtrak
Train from Croton-Harmon Amtrak Station to Chicago Union Station
- Ave. Duration
- 18h 46m
- Frequency
- Once daily
- Estimated price
- $500–800
- Website
- Amtrak
Train from Chicago Union Station to Fullerton Amtrak Station
- Ave. Duration
- 42h 44m
- Frequency
- Once daily
- Estimated price
- $1,200–1,900
- Website
- Amtrak
Train from Fullerton Amtrak Station to San Diego
- Ave. Duration
- 2h 26m
- Frequency
- Hourly
- Estimated price
- $55–90
- Website
- Amtrak
Train from Princeton Junction Amtrak Station to 30th Street Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- $23–40
- Website
- Amtrak
Train from Trenton to BWI Thurgood Marshall
- Ave. Duration
- 1h 57m
- Frequency
- Hourly
- Estimated price
- $75–120
- Website
- Amtrak
Train from Chicago Union Station to Fullerton Amtrak Station
- Ave. Duration
- 42h 44m
- Frequency
- Once daily
- Estimated price
- $1,200–1,900
- Website
- Amtrak
Train from Fullerton Amtrak Station to San Diego
- Ave. Duration
- 2h 26m
- Frequency
- Hourly
- Estimated price
- $55–90
- Website
- Amtrak
Train from Trenton to Chicago Union Station
- Ave. Duration
- 27h 43m
- Frequency
- 3 times a week
- Estimated price
- $600–950
- Website
- Amtrak
Train from Chicago Union Station to Fullerton Amtrak Station
- Ave. Duration
- 42h 44m
- Frequency
- Once daily
- Estimated price
- $1,200–1,900
- Website
- Amtrak
Train from Fullerton Amtrak Station to San Diego
- Ave. Duration
- 2h 26m
- Frequency
- Hourly
- Estimated price
- $55–90
- Website
- Amtrak
- Phone
- +1 215-580-7800
- Website
- SEPTA
Train from Trenton Transit Center to Jefferson Station
- Ave. Duration
- 1h
- Frequency
- Hourly
- Estimated price
- $3–5
- Website
- SEPTA
- Schedules at
- SEPTA: World Cup 2026
- Phone
- +1 (866) 912 - 6224
- [email protected]
- Website
- Rockland Coaches
Bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminal
- Ave. Duration
- 1h 40m
- Frequency
- Hourly
- Estimated price
- $17–40
- Schedules at
- Rockland Coaches
- Adult
- $17–40
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Port Authority Bus Terminal to St Louis Bus Station
- Ave. Duration
- 23h
- Frequency
- 3 times a day
- Estimated price
- $180–280
- Website
- Greyhound
Bus from St Louis Bus Station to Los Angeles Union Station
- Ave. Duration
- 40h 30m
- Frequency
- Once daily
- Estimated price
- $330–500
- Website
- Greyhound
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Bus from Los Angeles to San Diego
- Ave. Duration
- 3h
- Frequency
- Once daily
- Website
- Amtrak
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Philadelphia Bus Station to Chicago Bus Station
- Ave. Duration
- 20h
- Frequency
- 3 times a week
- Estimated price
- $140–220
- Schedules at
- Flixbus USA
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
Booking & Getting There
Princeton to San Diego bus services, operated by Rockland Coaches, arrive at Port Authority Bus Terminal station.
San Diego is 3h behind Princeton. It is currently 9:58 PM in Princeton and 6:58 PM in San Diego.
Princeton to San Diego train services, operated by NJ Transit, arrive at New York Penn Station.
Yes, the driving distance between Princeton to San Diego is 2726 miles. It takes approximately 44h 40m to drive from Princeton to San Diego.
There are 2183+ hotels available in San Diego.














