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

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There are 10 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.

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

    best
    1. Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
    2. Fly from Newark Liberty International Airport (EWR) to Denver (DEN)planeEWR - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    8h 23m
    $276–846

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

    cheapest
    1. Take the train from Princeton Jct. to New York Penn Stationtrain
    2. Fly from John F. Kennedy International Airport (JFK) to Denver (DEN)planeJFK - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    9h 28m
    $161–702

  3. Train, bus via Ossining

    1. Take the train from Princeton Jct. to New York Penn StationtrainNec
    2. Take the train from Ny Moynihan Train Hall At Penn Station to Croton-Harmon Amtrak Stationtrain
    3. Take the train from Croton-Harmon Amtrak Station to Chicago Union Stationtrain
    4. Take the train from Chicago Union Station to Denvertrain
    5. Take the bus from Union Station Gate B17 to Broadway & Regent DrbusFf1 / ...
    44h 4m
    $297–738

  4. Bus

    1. Take the bus from Nassau St & S Tulane St - Palmer Square to Port Authority Bus Terminalbus
    2. Take the bus from Port Authority Bus Terminal to St Louis Bus Stationbus
    3. Take the bus from St Louis Bus Station to Denver Union Stationbus
    4. Take the bus from Union Station Gate B17 to Broadway & Euclid AvebusFf1 / ...
    44h 44m
    $197–584

  5. Drive 1,759.9 mi

    1. Drive from Princeton to Bouldercar1,759.9 mi
    29h 2m
    $322–464

  6. Train to Philadelphia International Airport, fly, bus

    1. Take the train from Trenton to 30th Street Stationtrain
    2. Fly from Philadelphia International Airport (PHL) to Denver (DEN)planePHL - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    8h 56m
    $279–960

  7. Train to Laguardia Airport, fly, bus

    1. Take the train from Princeton Jct. to New York Penn Stationtrain
    2. Fly from Laguardia Airport (LGA) to Denver (DEN)planeLGA - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    10h 8m
    $264–849

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

    1. Take the train from Princeton Junction Amtrak Station to BWI Thurgood Marshalltrain
    2. Fly from Baltimore-Washington International Airport (BWI) to Denver (DEN)planeBWI - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    9h 56m
    $296–1,072

  9. Bus via Chicago

    1. Take the bus from Newark Penn Station to Chicago Bus Stationbus
    2. Take the bus from Chicago Bus Station to Denver Union Stationbus
    3. Take the bus from Union Station Gate B17 to Downtown Boulder StationbusFf1 / ...
    46h 37m
    $214–448

  10. Train, bus

    1. Take the train from Trenton to Chicago Union Stationtrain
    2. Take the train from Chicago Union Station to Denvertrain
    3. Take the bus from Union Station Gate B17 to Downtown Boulder StationbusFf1 / ...
    2d 2h
    $355–810

Princeton to Boulder by train and bus

Calendar7Weekly Services
Duration44h 4mAverage Duration
Ticket$297Cheapest Price
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Questions & Answers

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.

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