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How to get fromSeoul to Boulderby train, plane or bus

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There are 6 ways to get from Seoul to Boulder by train, plane, 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.

  1. Train to Incheon International Airport, fly to Denver, bus

    best
    1. Take the train from Seoul Station to Incheon Int'l Airport T1train
    2. Fly from Incheon International Airport (ICN) to Denver (DEN)planeICN - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    18h 34m
    $606–2,007

  2. Train to Incheon International Airport, fly to Eagle County Regional Airport, bus

    cheapest
    1. Take the train from Seoul Station to Incheon Int'l Airport T1train
    2. Fly from Incheon International Airport (ICN) to Eagle County Regional Airport (EGE)planeICN - EGE
    3. Take the bus from Eagle County Airport to Avon Stationbus
    4. Take the bus from Avon Station to Union Stationbus
    5. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus
    23h 56m
    $366–1,334

  3. Fly Gimpo International Airport to Denver, bus

    1. Fly from Gimpo International Airport (GMP) to Denver (DEN)planeGMP - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    20h 16m
    $444–1,705

  4. Train to Incheon International Airport, fly to Colorado Springs Airport, bus

    1. Take the train from Seoul Station to Incheon Int'l Airport T1train
    2. Fly from Incheon International Airport (ICN) to Colorado Springs Airport (COS)planeICN - COS
    3. Take the bus from Colorado Springs Airport to Denver International Airportbus
    4. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
    21h 38m
    $396–1,367

  5. Train to Incheon International Airport, fly to Grand Junction Regional Airport, bus

    1. Take the train from Seoul Station to Incheon Int'l Airport T1train
    2. Fly from Incheon International Airport (ICN) to Grand Junction Regional Airport (GJT)planeICN - GJT
    3. Take the bus from Grand Junction Regional Airport to Union Stationbus
    4. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus
    28h 20m
    $461–1,662

  6. Train to Incheon International Airport, fly to Aspen–Pitkin County Airport, bus

    1. Take the train from Seoul Station to Incheon Int'l Airport T1train
    2. Fly from Incheon International Airport (ICN) to Aspen–Pitkin County Airport (ASE)planeICN - ASE
    3. Take the bus from AABC Airport DV to West Glenwood Park & Ridebus
    4. Take the bus from West Glenwood Park & Ride to Union Stationbus
    5. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus
    24h 46m
    $474–1,347

Incheon International Airport (ICN) to Denver (DEN) flights

Calendar69Weekly Planes
Duration15h 15mAverage Duration
Ticket$485Cheapest Price
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Questions & Answers

What companies run services between Seoul, South Korea and Boulder, CO, USA?

There is no direct connection from Seoul to Boulder. However, you can take the train to Incheon Int'l Airport T1, walk to Incheon International Airport (ICN) airport, fly to Denver (DEN), walk to Denver Airport Station Gate 8, then take the bus to Downtown Boulder Station. Alternatively, you can take the train to Gimpo Airport, walk to Gimpo International Airport (GMP) airport, fly to Denver (DEN), walk to Denver Airport Station Gate 8, then take the bus to Downtown Boulder Station.

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