Rome2Rio

How to get fromSeoul to BoulderBy train, plane, or bus

Find Transport to Boulder

See all options

There are 7 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 train
    2. Fly from Incheon International Airport (ICN) to Denver (DEN)plane plane ICN - DEN
    3. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    19h 8m
    $1,006–5,507

  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 train
    2. Fly from Incheon International Airport (ICN) to Eagle County Regional Airport (EGE)plane plane ICN - EGE
    3. Take the bus from Eagle County Airport to Avon Stationbus bus
    4. Take the bus from Avon Station to Union Stationbus bus
    5. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus bus
    24h
    $466–1,734

  3. Fly Gimpo International Airport to Denver, bus

    1. Fly from Gimpo International Airport (GMP) to Denver (DEN)plane plane GMP - DEN
    2. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    20h 47m
    $1,104–7,505

  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 train
    2. Fly from Incheon International Airport (ICN) to Colorado Springs Airport (COS)plane plane ICN - COS
    3. Take the bus from Colorado Springs Airport to Denver International Airportbus bus
    4. Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus bus
    22h 23m
    $486–1,767

  5. Train to Incheon International Airport, fly to Arapahoe County Airport, bus

    1. Take the train from Seoul Station to Incheon Int'l Airport T1train train
    2. Fly from Incheon International Airport (ICN) to Arapahoe County Airport (APA)plane plane ICN - APA
    3. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus bus
    22h 21m
    $494–1,840

  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 train
    2. Fly from Incheon International Airport (ICN) to Aspen–Pitkin County Airport (ASE)plane plane ICN - ASE
    3. Take the bus from AABC Airport DV to West Glenwood Park & Ridebus bus
    4. Take the bus from West Glenwood Park & Ride to Union Stationbus bus
    5. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus bus
    24h 6m
    $504–1,548

  7. 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 train
    2. Fly from Incheon International Airport (ICN) to Grand Junction Regional Airport (GJT)plane plane ICN - GJT
    3. Take the bus from Grand Junction Regional Airport to Union Stationbus bus
    4. Take the bus from Union Station Gate B17 to Broadway & Regent Drbus bus
    25h 13m
    $591–2,062

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

Calendar87Weekly Planes
Duration16h 42mAverage Duration
Ticket$494Cheapest Price
See schedules

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.

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

Trips from Seoul

Trips to Boulder

Popular routes