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.
Train to Incheon International Airport, fly to Denver, bus
best- Take the train from Seoul Station to Incheon Int'l Airport T1train
- Fly from Incheon International Airport (ICN) to Denver (DEN)plane ICN - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
19h 6m$656–1,307Train to Incheon International Airport, fly to Colorado Springs Airport, bus
cheapest- Take the train from Seoul Station to Incheon Int'l Airport T1train
- Fly from Incheon International Airport (ICN) to Colorado Springs Airport (COS)plane ICN - COS
- Take the bus from Colorado Springs Airport to Denver International Airportbus
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
23h 33m$466–1,367Fly Gimpo International Airport to Denver, bus
- Fly from Gimpo International Airport (GMP) to Denver (DEN)plane GMP - DEN
- Take the bus from Denver Airport Station Gate 8 to Downtown Boulder Stationbus
20h 47m$1,304–2,205Train to Incheon International Airport, fly to Arapahoe County Airport, bus
- Take the train from Seoul Station to Incheon Int'l Airport T1train
- Fly from Incheon International Airport (ICN) to Arapahoe County Airport (APA)plane ICN - APA
- Take the bus from Union Station Gate B18 to Broadway & Regent Drbus
22h 18m$471–1,436Train to Incheon International Airport, fly to Aspen–Pitkin County Airport, bus
- Take the train from Seoul Station to Incheon Int'l Airport T1train
- Fly from Incheon International Airport (ICN) to Aspen–Pitkin County Airport (ASE)plane ICN - ASE
- Take the bus from AABC Airport DV to West Glenwood Park & Ridebus
- Take the bus from West Glenwood Park & Ride to Union Stationbus
- Take the bus from Union Station Gate B18 to Broadway & Regent Drbus
24h 55m$494–1,248Train to Incheon International Airport, fly to Grand Junction Regional Airport, bus
- Take the train from Seoul Station to Incheon Int'l Airport T1train
- Fly from Incheon International Airport (ICN) to Grand Junction Regional Airport (GJT)plane ICN - GJT
- Take the bus from Grand Junction Regional Airport to Union Stationbus
- Take the bus from Union Station Gate B18 to Broadway & Regent Drbus
25h 15m$531–1,862
Incheon International Airport (ICN) to Denver (DEN) flights
Questions & Answers
The cheapest way to get from Seoul to Boulder is to train and fly and bus which costs $490 - $1,300 and takes 24h 55m.
The fastest way to get from Seoul to Boulder is to train and fly and bus which takes 19h 6m and costs $650 - $1,400.
The distance between Seoul and Boulder is 6308 miles.
It takes approximately 19h 6m to get from Seoul to Boulder, including transfers.
Boulder is 15h behind Seoul. It is currently 8:41 AM in Seoul and 5:41 PM in Boulder.
There are 167+ hotels available in Boulder.
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.
- Website
- united.com
Flights from Incheon International Airport to Denver via San Francisco
- Ave. Duration
- 15h 53m
- When
- Every day
- Estimated price
- $450–1,600
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 16h 11m
- When
- Every day
- Estimated price
- $490–1,300
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 17h 18m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $460–1,200
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 18m
- When
- Every day
- Estimated price
- $420–3,800
Flights from Gimpo International Airport to Denver via Osaka Kansai, San Francisco
- Ave. Duration
- 17h 40m
- When
- Every day
- Estimated price
- $420–1,500
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Los Angeles
- Ave. Duration
- 15h 29m
- When
- Every day
- Estimated price
- $440–1,900
Flights from Incheon International Airport to Aspen–Pitkin County Airport via San Francisco
- Ave. Duration
- 17h 30m
- When
- Every day
- Estimated price
- $420–1,900
- Website
- delta.com
Flights from Incheon International Airport to Denver via Salt Lake City
- Ave. Duration
- 15h 41m
- When
- Every day
- Estimated price
- $430–1,500
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 18h 3m
- When
- Every day
- Estimated price
- $420–1,500
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 17h 58m
- When
- Every day
- Estimated price
- $470–1,500
Flights from Incheon International Airport to Denver via Minneapolis
- Ave. Duration
- 18h 54m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $470–1,600
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Seattle
- Ave. Duration
- 20h 8m
- When
- Every day
- Estimated price
- $400–1,400
Flights from Incheon International Airport to Colorado Springs Airport via Salt Lake City
- Ave. Duration
- 18h 8m
- When
- Every day
- Estimated price
- $410–1,500
Flights from Incheon International Airport to Colorado Springs Airport via Seattle, Salt Lake City
- Ave. Duration
- 20h 48m
- When
- Every day
- Estimated price
- $420–1,300
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Los Angeles
- Ave. Duration
- 19h 42m
- When
- Every day
- Estimated price
- $440–1,400
Flights from Incheon International Airport to Grand Junction Regional Airport via Salt Lake City
- Ave. Duration
- 13h 58m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $490–1,800
Flights from Incheon International Airport to Grand Junction Regional Airport via San Francisco, Salt Lake City
- Ave. Duration
- 17h 18m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $500–1,700
- Website
- koreanair.com
Flights from Incheon International Airport to Denver via Salt Lake City
- Ave. Duration
- 15h 41m
- When
- Every day
- Estimated price
- $430–1,500
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 18h 3m
- When
- Every day
- Estimated price
- $420–1,500
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 17h 58m
- When
- Every day
- Estimated price
- $470–1,500
Flights from Incheon International Airport to Denver via Minneapolis
- Ave. Duration
- 18h 54m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $470–1,600
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Los Angeles
- Ave. Duration
- 19h 42m
- When
- Every day
- Estimated price
- $440–1,400
- Website
- aircanada.com
Flights from Incheon International Airport to Denver via Vancouver
- Ave. Duration
- 14h 28m
- When
- Every day
- Estimated price
- $420–1,500
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 18m
- When
- Every day
- Estimated price
- $420–3,800
Flights from Gimpo International Airport to Denver via Osaka Kansai, Vancouver
- Ave. Duration
- 18h 18m
- When
- Monday, Tuesday, Thursday, and Saturday
- Estimated price
- $410–1,400
Flights from Incheon International Airport to Colorado Springs Airport via Vancouver, Denver
- Ave. Duration
- 18h 41m
- When
- Every day
- Estimated price
- $410–1,400
Flights from Incheon International Airport to Grand Junction Regional Airport via Vancouver, Denver
- Ave. Duration
- 17h 49m
- When
- Every day
- Estimated price
- $500–1,800
- Website
- ana.co.jp
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 18h 55m
- When
- Every day
- Estimated price
- $420–1,500
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Los Angeles
- Ave. Duration
- 20h 55m
- When
- Every day
- Estimated price
- $440–3,900
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Seattle
- Ave. Duration
- 22h 53m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $440–3,700
Flights from Gimpo International Airport to Denver via Osaka Kansai, San Francisco
- Ave. Duration
- 20h 32m
- When
- Every day
- Estimated price
- $420–1,500
- Website
- jsx.com
Flights from Incheon International Airport to Arapahoe County Airport via Las Vegas
- Ave. Duration
- 33h 20m
- When
- Wednesday to Sunday
- Estimated price
- $440–1,400
Flights from Incheon International Airport to Arapahoe County Airport via San Francisco, Las Vegas
- Ave. Duration
- 18h 50m
- When
- Monday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $430–1,500
Flights from Incheon International Airport to Arapahoe County Airport via Las Vegas, Phoenix Scottsdale Municipal Apt
- Ave. Duration
- 29h 27m
- When
- Every day
- Estimated price
- $450–1,400
Flights from Incheon International Airport to Arapahoe County Airport via Los Angeles, Las Vegas
- Ave. Duration
- 17h 20m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $550–1,900
- Website
- aa.com
Flights from Incheon International Airport to Colorado Springs Airport via Dallas/Ft.Worth
- Ave. Duration
- 18h 31m
- When
- Every day
- Estimated price
- $480–1,700
Flights from Incheon International Airport to Colorado Springs Airport via Chicago O'Hare
- Ave. Duration
- 17h 7m
- When
- Every day
- Estimated price
- $480–1,500
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Dallas/Ft.Worth
- Ave. Duration
- 17h 26m
- When
- Every day
- Estimated price
- $480–1,700
Flights from Incheon International Airport to Grand Junction Regional Airport via Dallas/Ft.Worth
- Ave. Duration
- 18h 44m
- When
- Every day
- Estimated price
- $600–2,100
- Website
- jal.com
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Los Angeles
- Ave. Duration
- 21h 36m
- When
- Every day
- Estimated price
- $440–1,700
Flights from Gimpo International Airport to Denver via Osaka Kansai, Los Angeles
- Ave. Duration
- 23h 25m
- When
- Every day
- Estimated price
- $550–1,700
- Website
- flyasiana.com
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 16h 47m
- When
- Every day
- Estimated price
- $490–1,300
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 54m
- When
- Every day
- Estimated price
- $460–3,800
- Website
- alaskaair.com
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 15h 35m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $550–1,800
- Website
- southwest.com
Flights from Incheon International Airport to Colorado Springs Airport via Las Vegas
- Ave. Duration
- 16h
- When
- Sunday
- Estimated price
- $440–1,400
- Phone
- +82 1599 7788
- Website
- airportrailroad.com
Train from Seoul Station to Incheon Int'l Airport T1
- Ave. Duration
- 1h 1m
- Frequency
- Every 10 minutes
- Estimated price
- $3–4
- Website
- https://www.airportrailroad.com/intro
Train from Seoul Station to Incheon Int'l Airport T1
- Ave. Duration
- 1h 1m
- Frequency
- Every 10 minutes
- Estimated price
- $3–4
- Website
- https://www.airportrailroad.com/intro
Train from Seoul Station to Incheon Int'l Airport T1
- Ave. Duration
- 1h 1m
- Frequency
- Every 10 minutes
- Estimated price
- $3–4
- Website
- https://www.airportrailroad.com/intro
Train from Seoul Station to Incheon Int'l Airport T1
- Ave. Duration
- 1h 1m
- Frequency
- Every 10 minutes
- Estimated price
- $3–4
- Website
- https://www.airportrailroad.com/intro
Train from Seoul Station to Incheon Int'l Airport T1
- Ave. Duration
- 1h 1m
- Frequency
- Every 10 minutes
- Estimated price
- $3–4
- Website
- https://www.airportrailroad.com/intro
- Phone
- +1 303-299-6000
- Website
- rtd-denver.com
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Denver Airport Station Gate 8 to Downtown Boulder Station
- Ave. Duration
- 1h 7m
- Frequency
- Hourly
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B18 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B18 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
Bus from Union Station Gate B18 to Broadway & Regent Dr
- Ave. Duration
- 45 min
- Frequency
- Every 20 minutes
- Estimated price
- $3
- Website
- https://www.rtd-denver.com/
- Adult
- $3
- Phone
- +1 719-687-3456
- Website
- groometransportation.com
Bus from Colorado Springs Airport to Denver International Airport
- Ave. Duration
- 2h 25m
- Frequency
- Hourly
- Estimated price
- $40–60
- Website
- https://groometransportation.com/colorado-springs/
- Phone
- +1 970-925-8484
- feedback@rfta.com
- Website
- rfta.com
Bus from AABC Airport DV to West Glenwood Park & Ride
- Ave. Duration
- 1h 13m
- Frequency
- Every 15 minutes
- Estimated price
- $4–6
- Schedules at
- rfta.com
- Phone
- +1 800-900-3011
- Website
- ridebustang.com
Bus from West Glenwood Park & Ride to Union Station
- Ave. Duration
- 4h
- Frequency
- Hourly
- Estimated price
- $24–35
- Website
- https://ridebustang.com
Bus from Grand Junction Regional Airport to Union Station
- Ave. Duration
- 6h 20m
- Frequency
- Every 4 hours
- Estimated price
- $35–55
- Website
- https://ridebustang.com
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
Travelling to the US: What do I need to know?
Read the travel guide












