Rome2Rio

How to get fromPrinceton to Boulderby train, plane, bus, bus (Flixbus, Greyhound), car, or bus (Greyhound)

Find Transport to Boulder

See all options

There are 11 ways to get from Princeton to Boulder by train, plane, bus, bus (Flixbus, Greyhound), car, or bus (Greyhound)

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Train to Newark Liberty International Airport, fly, bus

    best
    1. Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain train
    2. Fly from Newark Liberty International Airport (EWR) to Denver (DEN)plane plane EWR - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    8h 17m
    $231–846

  2. Train to Baltimore-Washington International Airport, fly, bus

    cheapest
    1. Take the train from Trenton to BWI Thurgood Marshalltrain train
    2. Fly from Baltimore-Washington International Airport (BWI) to Denver (DEN)plane plane BWI - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    9h 47m
    $175–650

  3. Bus

    1. Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminalbus bus
    2. Take the bus from New York Midtown to Chicago Bus Stationbus bus
    3. Take the bus from Chicago Bus Station to Denver Union Stationbus bus
    4. Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus bus Ff1 / ...
    43h 28m
    $311–560

  4. Train, bus via Ossining

    1. Take the train from Princeton Jct. to New York Penn Stationtrain train Nec
    2. Take the train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Stationtrain train
    3. Take the train from Croton-Harmon Amtrak Station to Chicago Union Stationtrain train
    4. Take the train from Chicago Union Station to Denvertrain train
    5. Take the bus from Union Station Gate B18 to Broadway & Regent Drbus bus Ff2 / ...
    43h 58m
    $628–1,405

  5. Drive 1,760.2 mi

    1. Drive from Princeton to Bouldercar car 1,760.2 mi
    29h 13m
    $322–464

  6. Train to Laguardia Airport, fly, bus

    1. Take the train from Princeton Jct. to New York Penn Stationtrain train
    2. Fly from Laguardia Airport (LGA) to Denver (DEN)plane plane LGA - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    9h 30m
    $206–490

  7. Train to Philadelphia International Airport, fly, bus

    1. Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain train
    2. Fly from Philadelphia International Airport (PHL) to Denver (DEN)plane plane PHL - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    8h 49m
    $182–593

  8. Train to John F. Kennedy International Airport, fly, bus

    1. Take the train from Princeton Jct. to New York Penn Stationtrain train
    2. Fly from John F. Kennedy International Airport (JFK) to Denver (DEN)plane plane JFK - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    9h 19m
    $232–752

  9. Train, bus to Lehigh Valley International Airport, fly, bus

    1. Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain train
    2. Take the bus from Newark Airport Terminal B to Lehigh Valley International Airport Trans Bridge Bus Stopbus bus
    3. Fly from Lehigh Valley International Airport (ABE) to Denver (DEN)plane plane ABE - DEN
    4. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    11h 4m
    $221–706

  10. Bus via St. Louis

    1. Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminalbus bus
    2. Take the bus from Port Authority Bus Terminal to St Louis Bus Stationbus bus
    3. Take the bus from St Louis Bus Station to Denver Union Stationbus bus
    4. Take the bus from Union Station Gate B18 to Broadway & Euclid Avebus bus Ff2 / ...
    44h 53m
    $291–590

  11. Train, bus

    1. Take the train from Trenton to Chicago Union Stationtrain train
    2. Take the train from Chicago Union Station to Denvertrain train
    3. Take the bus from Union Station Gate B17 to Downtown Boulder Stationbus bus Ff1 / ...
    2d 2h
    $655–1,460

Princeton to Boulder by bus and foot

Calendar14Weekly Services
Duration43h 28mAverage Duration
Ticket$311Cheapest Price
See schedules

Questions & Answers

Map of how to get from Princeton to Boulder.ExpandLaunch map view
  • Distance: 1,684.9 mi
  • Duration: 8h 17m

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 Downtown Boulder Station via Port Authority Bus Terminal, New York Midtown, Chicago Bus Station, Denver Union Station, and Union Station Gate B17 in around 43h 28m.

Airlines
Train operators
Bus operators

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

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers