There are 11 ways to get from Princeton to Boulder by train, plane, bus, bus (Greyhound), car, or bus (Flixbus, Greyhound)
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, bus
best- Take the train from Princeton Jct. to Newark Airport Railroad Station
- Fly from Newark Liberty International Airport (EWR) to Denver (DEN)EWR - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
8h 25m$291–796Train to John F. Kennedy International Airport, fly, bus
cheapest- Take the train from Princeton Jct. to New York Penn Station
- Fly from John F. Kennedy International Airport (JFK) to Denver (DEN)JFK - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
9h 23m$181–752Train, bus via Ossining
- Take the train from Princeton Jct. to New York Penn StationNec
- Take the train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Station
- Take the train from Croton-Harmon Amtrak Station to Chicago Union Station
- Take the train from Chicago Union Station to Denver
- Take the bus from Union Station Gate B17 to Broadway & Regent DrFf1 / ...
44h 3m$307–768Bus
- Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminal
- Take the bus from Port Authority Bus Terminal to St Louis Bus Station
- Take the bus from St Louis Bus Station to Denver Union Station
- Take the bus from Union Station Gate B17 to Broadway & Euclid AveFf1 / ...
44h 44m$207–634Drive 1,759.9 mi
- Drive from Princeton to Boulder1,759.9 mi
29h 2m$322–464Train to Philadelphia International Airport, fly, bus
- Take the train from Trenton to 30th Street Station
- Fly from Philadelphia International Airport (PHL) to Denver (DEN)PHL - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
8h 57m$289–960Train to Laguardia Airport, fly, bus
- Take the train from Princeton Jct. to New York Penn Station
- Fly from Laguardia Airport (LGA) to Denver (DEN)LGA - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
10h 10m$264–849Train to Baltimore-Washington International Airport, fly, bus
- Take the train from Trenton to BWI Thurgood Marshall
- Fly from Baltimore-Washington International Airport (BWI) to Denver (DEN)BWI - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
10h 4m$294–1,060Train, bus to Lehigh Valley International Airport, fly, bus
- Take the train from Princeton Jct. to Newark Airport Railroad Station
- Take the bus from Newark Airport Terminal B to Lehigh Valley International Airport Trans Bridge Bus Stop
- Fly from Lehigh Valley International Airport (ABE) to Denver (DEN)ABE - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Station
11h 14m$241–856Bus via Chicago
- Take the bus from Newark Penn Station to Chicago Bus Station
- Take the bus from Chicago Bus Station to Denver Union Station
- Take the bus from Union Station Gate B17 to Downtown Boulder StationFf1 / ...
46h 3m$209–448Train, bus
- Take the train from Trenton to Chicago Union Station
- Take the train from Chicago Union Station to Denver
- Take the bus from Union Station Gate B17 to Downtown Boulder StationFf1 / ...
2d 2h$355–870
Princeton to Boulder by train and bus
Questions & Answers
The cheapest way to get from Princeton to Boulder is to bus via Chicago which costs $200 - $450 and takes 46h 3m.
The fastest way to get from Princeton to Boulder is to train and fly and bus which takes 8h 25m and costs $290 - $800.
No, there is no direct bus from Princeton to Boulder. However, there are services departing from Nassau St & S Tulane St - Palmer Square and arriving at Broadway & Euclid Ave via Port Authority Bus Terminal, St Louis Bus Station and Union Station Gate B17. The journey, including transfers, takes approximately 44h 44m.
The distance between Princeton and Boulder is 1696 miles. The road distance is 1770.1 miles.
The best way to get from Princeton to Boulder without a car is to train and bus via Ossining which takes 44h 3m and costs $300 - $800.
It takes approximately 8h 25m to get from Princeton to Boulder, including transfers.
Princeton to Boulder bus services, operated by Suburban Transit, depart from Nassau St & S Tulane St - Palmer Square station.
Princeton to Boulder bus services, operated by Suburban Transit, arrive at Port Authority Bus Terminal station.
Boulder is 2h behind Princeton. It is currently 12:22 PM in Princeton and 10:22 AM in Boulder.
Yes, the driving distance between Princeton to Boulder is 1770 miles. It takes approximately 29h 2m to drive from Princeton to Boulder.
What companies run services between Princeton, NJ, USA and Boulder, CO, USA?
You can take a bus from Nassau St & S Tulane St - Palmer Square to Broadway & Euclid Ave via Port Authority Bus Terminal, St Louis Bus Station, Denver Union Station, and Union Station Gate B17 in around 44h 44m.
- Website
- southwest.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 11m
- When
- Every day
- Estimated price
- $180–800
Flights from Philadelphia International Airport to Denver via Chicago Midway
- Ave. Duration
- 5h 45m
- When
- Monday, Tuesday, Wednesday, and Saturday
- Estimated price
- $180–800
Flights from Philadelphia International Airport to Denver via St. Louis
- Ave. Duration
- 6h
- When
- Monday to Wednesday
- Estimated price
- $180–850
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 28m
- When
- Every day
- Estimated price
- $170–750
Flights from Laguardia Airport to Denver via Chicago Midway
- Ave. Duration
- 6h 5m
- When
- Saturday and Sunday
- Estimated price
- $170–750
Flights from Baltimore-Washington International Airport to Denver
- Ave. Duration
- 4h 3m
- When
- Every day
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Indianapolis
- Ave. Duration
- 5h 40m
- When
- Monday and Tuesday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Kansas City
- Ave. Duration
- 5h 35m
- When
- Monday and Tuesday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Cleveland
- Ave. Duration
- 5h 40m
- When
- Monday to Wednesday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Milwaukee
- Ave. Duration
- 5h 52m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Pittsburgh
- Ave. Duration
- 6h
- When
- Monday and Tuesday
- Estimated price
- $160–750
- Website
- united.com
Flights from Newark Liberty International Airport to Denver
- Ave. Duration
- 4h 29m
- When
- Every day
- Estimated price
- $150–700
Flights from Newark Liberty International Airport to Denver via Cleveland
- Ave. Duration
- 6h 32m
- When
- Every day
- Estimated price
- $150–700
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 26m
- When
- Every day
- Estimated price
- $180–800
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 35m
- When
- Every day
- Estimated price
- $170–750
Flights from Baltimore-Washington International Airport to Denver
- Ave. Duration
- 4h 12m
- When
- Every day
- Estimated price
- $160–750
Flights from Lehigh Valley International Airport to Denver via Chicago O'Hare
- Ave. Duration
- 7h 12m
- When
- Every day
- Estimated price
- $160–750
- Website
- delta.com
Flights from John F. Kennedy International Airport to Denver
- Ave. Duration
- 4h 39m
- When
- Every day
- Estimated price
- $160–700
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 28m
- When
- Every day
- Estimated price
- $170–750
Flights from Lehigh Valley International Airport to Denver via Atlanta
- Ave. Duration
- 7h 57m
- When
- Every day
- Estimated price
- $190–850
- Website
- aa.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 20m
- When
- Every day
- Estimated price
- $180–800
Flights from Lehigh Valley International Airport to Denver via Charlotte
- Ave. Duration
- 7h 21m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $190–800
- Website
- flyfrontier.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 23m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $180–800
Flights from John F. Kennedy International Airport to Denver
- Ave. Duration
- 4h 40m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $160–700
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 28m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- $170–750
- Website
- jetblue.com
Flights from John F. Kennedy International Airport to Denver
- Ave. Duration
- 4h 32m
- When
- Every day
- Estimated price
- $160–700
- Website
- allegiantair.com
Flights from Lehigh Valley International Airport to Denver
- Ave. Duration
- 4h 2m
- When
- Monday and Friday
- Estimated price
- $160–750
- Phone
- +1 973-275-5555
- Website
- njtransit.com
Train from Princeton Jct. to Newark Airport Railroad Station
- Ave. Duration
- 53 min
- Frequency
- Hourly
- Estimated price
- $20–25
- Website
- https://www.njtransit.com/
- Schedules at
- https://www.njtransit.com/bus-to
- Adult Airport
- $20–25
Train from Princeton Jct. to New York Penn Station
- Ave. Duration
- 1h 20m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- https://www.njtransit.com/
- Schedules at
- https://www.njtransit.com/bus-to
- Adult
- $2–21
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Station
- Ave. Duration
- 43 min
- Frequency
- Every 2 hours
- Estimated price
- $19–55
- Website
- https://www.amtrak.com/home.html
Train from Croton-Harmon Amtrak Station to Chicago Union Station
- Ave. Duration
- 18h 46m
- Frequency
- Once daily
- Estimated price
- $130–310
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Denver
- Ave. Duration
- 18h 56m
- Frequency
- Once daily
- Estimated price
- $150–370
- Website
- https://www.amtrak.com/home.html
Train from Trenton to 30th Street Station
- Ave. Duration
- 28 min
- Frequency
- Hourly
- Estimated price
- $11–120
- Website
- https://www.amtrak.com/home.html
Train from Trenton to BWI Thurgood Marshall
- Ave. Duration
- 1h 59m
- Frequency
- Twice daily
- Estimated price
- $45–220
- Website
- https://www.amtrak.com/home.html
Train from Trenton to Chicago Union Station
- Ave. Duration
- 27h 18m
- Frequency
- 3 times a week
- Estimated price
- $200–490
- Website
- https://www.amtrak.com/home.html
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Trenton to 30th Street Station
- Ave. Duration
- 28 min
- Frequency
- Hourly
- Estimated price
- $4–200
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- $4–200
- Business Class
- $45–230
Train from Trenton to BWI Thurgood Marshall
- Ave. Duration
- 1h 57m
- Frequency
- Hourly
- Estimated price
- $19–250
- Website
- https://www.amtrak.com/home.html
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- $19–250
- Business Class
- $70–300
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 min
- Frequency
- Every 30 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 (732) 249-1100
- Suburban@coachusa.com
- Website
- coachusa.com
Bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminal
- Ave. Duration
- 1h 40m
- Frequency
- Hourly
- Estimated price
- $30–45
- Website
- https://www.coachusa.com/suburban-transit
- Adult
- $30–45
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Port Authority Bus Terminal to St Louis Bus Station
- Ave. Duration
- 22h 50m
- Frequency
- 3 times a day
- Estimated price
- $90–250
- Website
- https://www.greyhound.com/
Bus from St Louis Bus Station to Denver Union Station
- Ave. Duration
- 17h 15m
- Frequency
- Once daily
- Estimated price
- $80–340
- Website
- https://www.greyhound.com/
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 19m
- Frequency
- Once daily
- Estimated price
- $80–230
- Website
- https://www.greyhound.com/
- Phone
- +1 610-868-6001
- webmaster@transbridgelines.com
- Website
- transbridgelines.com
Bus from Newark Airport Terminal B to Lehigh Valley International Airport Trans Bridge Bus Stop
- Ave. Duration
- 2h 10m
- Frequency
- 5 times a day
- Estimated price
- $50–60
- Website
- https://transbridgelines.com
- Schedules at
- https://transbridgelines.com/schedules-stops/schedules
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Newark Penn Station to Chicago Bus Station
- Ave. Duration
- 19h 40m
- Frequency
- Once daily
- Estimated price
- $90–170
- Schedules at
- flixbus.com
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
More Questions & Answers
There are 173+ hotels available in Boulder.

















