There are 10 ways to get from Princeton to Boulder by train, plane, bus, bus (Greyhound), or car
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 Stationtrain
- Fly from Newark Liberty International Airport (EWR) to Denver (DEN)plane EWR - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
8h 18mDrive 1,760 mi
cheapest- Drive from Princeton to Bouldercar 1,760 mi
29h 13m$322–464Train, bus via Ossining
- Take the train from Princeton Jct. to New York Penn Stationtrain Nec
- 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 Denvertrain
- Take the bus from Union Station Gate B17 to Broadway & Regent Drbus Ff1
43h 59mBus
- 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 Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Broadway & Euclid Avebus Ff1
44h 55mTrain to John F. Kennedy International Airport, fly, bus
- Take the train from Princeton Jct. to New York Penn Stationtrain
- Fly from John F. Kennedy International Airport (JFK) to Denver (DEN)plane JFK - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
9h 17mTrain to Philadelphia International Airport, fly, bus
- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Denver (DEN)plane PHL - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
9h 2mTrain to Laguardia Airport, fly, bus
- Take the train from Princeton Jct. to New York Penn Stationtrain
- Fly from Laguardia Airport (LGA) to Denver (DEN)plane LGA - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
9h 54mTrain to Baltimore-Washington International Airport, fly, bus
- Take the train from Trenton to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to Denver (DEN)plane BWI - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
9h 52mTrain, bus
- Take the train from Trenton Transit Center to Jefferson Stationtrain Tre
- Take the bus from Philadelphia Bus Station to Chicago Bus Stationbus
- Take the bus from Chicago Bus Station to Denver Union Stationbus
- Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus Ff1
46h 57mTrain, bus #2
- Take the train from Trenton to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Denvertrain
- Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus Ff1
2d 2h
Newark Liberty International Airport (EWR) to Denver (DEN) flights
Comparing Your Travel Options
The cheapest way to get from Princeton to Boulder is to drive which costs $320 - $470 and takes 29h 13m.
The fastest way to get from Princeton to Boulder is to drive which takes 29h 13m and costs $320 - $470.
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 55m.
The distance between Princeton and Boulder is 1695 miles. The road distance is 1770.3 miles.
The best way to get from Princeton to Boulder without a car is to train and bus via Ossining which takes 43h 59m and costs .
It takes approximately 8h 18m to get from Princeton to Boulder, including transfers.
Princeton to Boulder bus services, operated by Rockland Coaches, depart from Nassau St & S Tulane St - Palmer Square station.
Princeton to Boulder bus services, operated by Rockland Coaches, arrive at Port Authority Bus Terminal station.
Boulder is 2h behind Princeton. It is currently 12:05 AM in Princeton and 10:05 PM in Boulder.
Yes, the driving distance between Princeton to Boulder is 1770 miles. It takes approximately 29h 13m 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 55m.
- Website
- southwest.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 5m
- When
- Every day
- Estimated price
- $180–800
Flights from Philadelphia International Airport to Denver via St. Louis
- Ave. Duration
- 5h 32m
- When
- Sunday, Tuesday, and Wednesday
- Estimated price
- $180–800
Flights from Philadelphia International Airport to Denver via Chicago Midway
- Ave. Duration
- 5h 55m
- When
- Tuesday to Friday
- Estimated price
- $180–800
Flights from Philadelphia International Airport to Denver via Baltimore-Washington International Airport
- Ave. Duration
- 6h
- When
- Monday, Thursday, and Friday
- Estimated price
- $180–800
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 15m
- When
- Every day
- Estimated price
- $190–850
Flights from Laguardia Airport to Denver via Kansas City
- Ave. Duration
- 5h 50m
- When
- Sunday
- Estimated price
- $190–900
Flights from Laguardia Airport to Denver via Chicago Midway
- Ave. Duration
- 6h 1m
- When
- Monday, Thursday, Friday, Sunday, Tuesday, and Wednesday
- Estimated price
- $190–850
Flights from Baltimore-Washington International Airport to Denver
- Ave. Duration
- 3h 57m
- When
- Every day
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Indianapolis
- Ave. Duration
- 5h 20m
- When
- Sunday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Kansas City
- Ave. Duration
- 5h 32m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via St. Louis
- Ave. Duration
- 5h 35m
- When
- Sunday, Tuesday, Wednesday, and Saturday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Denver via Columbus
- Ave. Duration
- 5h 45m
- When
- Tuesday and Wednesday
- Estimated price
- $160–750
- Website
- united.com
Flights from Newark Liberty International Airport to Denver
- Ave. Duration
- 4h 25m
- When
- Every day
- Estimated price
- $150–700
Flights from Newark Liberty International Airport to Denver via Cleveland
- Ave. Duration
- 6h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $150–700
Flights from Newark Liberty International Airport to Denver via Pittsburgh
- Ave. Duration
- 6h 12m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $150–700
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 13m
- When
- Every day
- Estimated price
- $180–800
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $190–850
Flights from Baltimore-Washington International Airport to Denver
- Ave. Duration
- 4h 3m
- When
- Every day
- Estimated price
- $160–750
- Website
- delta.com
Flights from John F. Kennedy International Airport to Denver
- Ave. Duration
- 4h 34m
- When
- Every day
- Estimated price
- $130–600
Flights from Laguardia Airport to Denver
- Ave. Duration
- 4h 24m
- When
- Every day
- Estimated price
- $190–850
- Website
- aa.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 31m
- When
- Every day
- Estimated price
- $180–800
- Website
- jetblue.com
Flights from John F. Kennedy International Airport to Denver
- Ave. Duration
- 4h 21m
- When
- Every day
- Estimated price
- $130–600
- Website
- flyfrontier.com
Flights from Philadelphia International Airport to Denver
- Ave. Duration
- 4h 10m
- When
- Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- $170–500
- 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
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 Denver
- Ave. Duration
- 18h 56m
- Frequency
- Once daily
- Estimated price
- $550–900
- 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 Trenton to Chicago Union Station
- Ave. Duration
- 27h 43m
- Frequency
- 3 times a week
- Estimated price
- $550–950
- Website
- Amtrak
Train from Chicago Union Station to Denver
- Ave. Duration
- 18h 56m
- Frequency
- Once daily
- Estimated price
- $550–900
- 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
- +44 1743 612002
- info@regionaltransport.co.uk
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Union Station Gate B17 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
Bus from Union Station Gate B17 to Broadway & Euclid Ave
- Ave. Duration
- 47 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 6m
- Frequency
- Hourly
- Website
- Regional Transport
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
Bus from Union Station Gate B17 to Downtown Boulder Station
- Ave. Duration
- 56 min
- Frequency
- Every 30 minutes
- Website
- Regional Transport
- Phone
- +1 (866) 912 - 6224
- questions@coachusa.com
- 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
- ifsr@greyhound.com
- 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 Denver Union Station
- Ave. Duration
- 17h 15m
- Frequency
- Twice daily
- Estimated price
- $150–230
- Website
- Greyhound
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 35m
- Frequency
- Once daily
- Estimated price
- $170–270
- Website
- Greyhound
- 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
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