There are 5 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
18h 52m$606–1,907Train to Incheon International Airport, fly to Aspen–Pitkin County Airport, bus
cheapest- 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 B17 to Broadway & Regent Drbus
24h 30m$374–1,447Fly 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
21h 34m$404–1,505Train to Incheon International Airport, fly to Colorado Springs Airport, bus
- 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
21h 43m$646–2,267Train 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 B17 to Broadway & Regent Drbus
26h 42m$391–1,462
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 $370 - $1,500 and takes 24h 30m.
The fastest way to get from Seoul to Boulder is to train and fly and bus which takes 18h 52m and costs $600 - $2,000.
The distance between Seoul and Boulder is 6308 miles.
It takes approximately 18h 52m to get from Seoul to Boulder, including transfers.
Boulder is 15h behind Seoul. It is currently 8:43 PM in Seoul and 5:43 AM in Boulder.
There are 156+ 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
- 14h 56m
- When
- Every day
- Estimated price
- $450–1,800
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 16h 30m
- When
- Every day
- Estimated price
- $460–1,800
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 16h 49m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- $430–1,700
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 30m
- When
- Every day
- Estimated price
- $390–5,500
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Los Angeles
- Ave. Duration
- 19h 22m
- When
- Every day
- Estimated price
- $550–2,000
Flights from Gimpo International Airport to Denver via Osaka Kansai, San Francisco
- Ave. Duration
- 19h 25m
- When
- Every day
- Estimated price
- $420–1,600
Flights from Incheon International Airport to Aspen–Pitkin County Airport via San Francisco
- Ave. Duration
- 16h 24m
- When
- Every day
- Estimated price
- $340–1,400
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Los Angeles
- Ave. Duration
- 14h 51m
- When
- Every day
- Estimated price
- $370–1,500
- Website
- delta.com
Flights from Incheon International Airport to Denver via Salt Lake City
- Ave. Duration
- 15h 17m
- When
- Tuesday, Friday, and Sunday
- Estimated price
- $450–1,700
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 18h 27m
- When
- Every day
- Estimated price
- $450–1,700
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 18h 36m
- When
- Every day
- Estimated price
- $480–2,000
Flights from Incheon International Airport to Denver via Minneapolis
- Ave. Duration
- 19h 9m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $490–1,800
Flights from Incheon International Airport to Colorado Springs Airport via Salt Lake City
- Ave. Duration
- 17h 25m
- When
- Tuesday, Friday, and Sunday
- Estimated price
- $600–2,200
Flights from Incheon International Airport to Colorado Springs Airport via Seattle, Salt Lake City
- Ave. Duration
- 20h 55m
- When
- Every day
- Estimated price
- $600–2,400
Flights from Incheon International Airport to Grand Junction Regional Airport via Salt Lake City
- Ave. Duration
- 17h 13m
- When
- Tuesday, Friday, and Sunday
- Estimated price
- $360–1,400
Flights from Incheon International Airport to Grand Junction Regional Airport via Seattle, Salt Lake City
- Ave. Duration
- 16h 2m
- When
- Every day
- Estimated price
- $350–1,500
Flights from Incheon International Airport to Grand Junction Regional Airport via San Francisco, Salt Lake City
- Ave. Duration
- 20h 53m
- When
- Every day
- Estimated price
- $390–1,600
- Website
- aircanada.com
Flights from Incheon International Airport to Denver via Vancouver
- Ave. Duration
- 14h 49m
- When
- Every day
- Estimated price
- $450–1,700
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 30m
- When
- Every day
- Estimated price
- $390–5,500
Flights from Gimpo International Airport to Denver via Osaka Kansai, Vancouver
- Ave. Duration
- 18h 44m
- When
- Monday, Tuesday, Thursday, and Saturday
- Estimated price
- $400–1,500
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Los Angeles
- Ave. Duration
- 19h 22m
- When
- Every day
- Estimated price
- $550–2,000
Flights from Incheon International Airport to Colorado Springs Airport via Vancouver, Denver
- Ave. Duration
- 17h 11m
- When
- Every day
- Estimated price
- $600–2,200
Flights from Incheon International Airport to Grand Junction Regional Airport via Vancouver, Denver
- Ave. Duration
- 17h 42m
- When
- Every day
- Estimated price
- $380–1,400
- Website
- koreanair.com
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 16h 21m
- When
- Every day
- Estimated price
- $450–1,800
Flights from Incheon International Airport to Denver via Salt Lake City
- Ave. Duration
- 15h 17m
- When
- Tuesday, Friday, and Sunday
- Estimated price
- $450–1,700
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 18h 36m
- When
- Every day
- Estimated price
- $480–2,000
Flights from Incheon International Airport to Denver via Minneapolis
- Ave. Duration
- 19h 9m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $490–1,800
- Website
- ana.co.jp
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Los Angeles
- Ave. Duration
- 18h 27m
- When
- Every day
- Estimated price
- $430–2,000
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 19h 15m
- When
- Every day
- Estimated price
- $420–1,600
Flights from Gimpo International Airport to Denver via Tokyo Haneda, Seattle
- Ave. Duration
- 21h 59m
- When
- Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $380–4,900
Flights from Gimpo International Airport to Denver via Osaka Kansai, San Francisco
- Ave. Duration
- 22h 12m
- When
- Every day
- Estimated price
- $420–1,600
- Website
- aa.com
Flights from Incheon International Airport to Colorado Springs Airport via Dallas/Ft.Worth
- Ave. Duration
- 16h 45m
- When
- Every day
- Estimated price
- $650–2,800
Flights from Incheon International Airport to Aspen–Pitkin County Airport via Dallas/Ft.Worth
- Ave. Duration
- 17h 24m
- When
- Every day
- Estimated price
- $400–1,700
Flights from Incheon International Airport to Grand Junction Regional Airport via Dallas/Ft.Worth
- Ave. Duration
- 17h 43m
- When
- Every day
- Estimated price
- $450–1,700
- Website
- flyasiana.com
Flights from Incheon International Airport to Denver via Los Angeles
- Ave. Duration
- 16h 30m
- When
- Every day
- Estimated price
- $460–1,800
Flights from Gimpo International Airport to Denver via Tokyo Haneda, San Francisco
- Ave. Duration
- 17h 30m
- When
- Every day
- Estimated price
- $390–5,500
- Website
- alaskaair.com
Flights from Incheon International Airport to Denver via Seattle
- Ave. Duration
- 19h 21m
- When
- Wednesday
- Estimated price
- $450–1,700
- Website
- southwest.com
Flights from Incheon International Airport to Colorado Springs Airport via Las Vegas
- Ave. Duration
- 14h 10m
- When
- Monday, Thursday, and Friday
- Estimated price
- $600–2,500
- 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
- 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 Union Station Gate B17 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
- Website
- rfta.com
Bus from AABC Airport DV to West Glenwood Park & Ride
- Ave. Duration
- 1h 3m
- Frequency
- Every 20 minutes
- Estimated price
- $4–5
- 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












