$410+ Cheap flights from South Korea to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — DEN
Apr 16 — Apr 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from South Korea to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from South Korea to Colorado
Cheapest
Best
Last-minute
One-way
Cheapest flights from South Korea to ColoradoExplore the most affordable flight options available from South Korea to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from South Korea to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Asiana Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:00 pm
ICN
- DEN
1 stop18h 28m
Multiple Airlines
Wed 12/98:51 pm
DEN
- ICN
1 stop17h 09m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$740
This modetour deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure modetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:35 pm
ICN
- DEN
2 stops19h 24m
Alaska Airlines
Sat 5/96:45 am
DEN
- ICN
2 stops43h 45m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$745
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:35 pm
ICN
- DEN
2 stops19h 24m
Alaska Airlines
Wed 5/68:00 am
DEN
- ICN
1 stop18h 30m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$758
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:35 pm
ICN
- DEN
1 stop19h 24m
Alaska Airlines
Fri 5/81:02 pm
DEN
- ICN
2 stops61h 28m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$784
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:35 pm
ICN
- DEN
1 stop17h 14m
Alaska Airlines
Fri 5/15:00 pm
DEN
- ICN
1 stop33h 30m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$789
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:35 pm
ICN
- DEN
2 stops31h 31m
Alaska Airlines
Sun 4/266:00 am
DEN
- ICN
1 stop20h 30m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:45 pm
ICN
- COS
2 stops19h 45m
United Airlines
Tue 11/101:50 pm
COS
- ICN
2 stops23h 50m
United Airlines
Deal found 3/15![United Airlines logo]()
$1,049
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:40 pm
GMP
- DEN
2 stops24h 04m
ANA
Wed 9/167:40 am
DEN
- GMP
2 stops23h 40m
ANA
Deal found 3/15![ANA logo]()
$1,060
This Gotogate deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:45 am
GMP
- DEN
2 stops31h 25m
ANA
Wed 12/911:21 am
DEN
- GMP
2 stops39h 14m
ANA
Deal found 3/17![ANA logo]()
$1,148
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 pm
ICN
- COS
2 stops31h 12m
Delta
Sat 4/187:59 am
COS
- ICN
2 stops30h 01m
Delta
Deal found 3/12![Delta logo]()
$1,252
This Cheapflightsfares deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:00 am
GMP
- DEN
2 stops24h 37m
Japan Airlines
Tue 6/27:13 am
DEN
- GMP
2 stops23h 02m
Japan Airlines
Deal found 3/12![Japan Airlines logo]()
$1,313
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:00 am
GMP
- DEN
2 stops24h 37m
Multiple Airlines
Tue 7/76:23 am
DEN
- GMP
2 stops23h 52m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$1,319
Best flights from South Korea to ColoradoDiscover carefully curated flight deals from South Korea to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from South Korea to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:35 pm
ICN
- DEN
1 stop19h 24m
Alaska Airlines
Fri 5/81:02 pm
DEN
- ICN
2 stops61h 28m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$784
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:35 pm
ICN
- DEN
1 stop29h 16m
Multiple Airlines
Sat 5/911:50 am
DEN
- ICN
1 stop38h 40m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$960
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:20 pm
ICN
- DEN
1 stop29h 08m
Delta
Sat 5/26:27 pm
DEN
- ICN
2 stops31h 23m
Delta
Deal found 3/12![Delta logo]()
$970
This Korean Air deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:20 pm
ICN
- DEN
1 stop14h 55m
Korean Air
Wed 6/108:40 am
DEN
- ICN
1 stop17h 00m
Korean Air
Deal found 3/14![Korean Air logo]()
$972
This YBTour deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
GMP
- DEN
2 stops24h 02m
Japan Airlines
Sun 6/76:08 pm
DEN
- GMP
2 stops32h 47m
Japan Airlines
Deal found 3/13![Japan Airlines logo]()
$1,327
This Mytrip deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:55 pm
GMP
- DEN
2 stops41h 20m
ANA
Wed 7/89:43 am
DEN
- GMP
2 stops41h 52m
ANA
Deal found 3/14![ANA logo]()
$1,355
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:50 pm
ICN
- COS
1 stop33h 59m
American Airlines
Sat 4/185:41 am
COS
- ICN
1 stop19h 04m
American Airlines
Deal found 3/12![American Airlines logo]()
$1,551
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:35 pm
ICN
- DEN
1 stop36h 36m
Alaska Airlines
Sat 5/95:00 pm
DEN
- ICN
1 stop33h 30m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$805
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:35 pm
ICN
- DEN
1 stop17h 14m
Alaska Airlines
Sun 4/266:00 am
DEN
- ICN
1 stop20h 30m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$805
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:35 pm
ICN
- DEN
1 stop18h 21m
Multiple Airlines
Sun 5/106:00 am
DEN
- ICN
1 stop20h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$965
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:35 pm
ICN
- DEN
2 stops19h 24m
Alaska Airlines
Thu 5/146:00 am
DEN
- ICN
1 stop20h 30m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$855
This China Eastern deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:50 pm
GMP
- DEN
2 stops36h 10m
China Eastern
Sat 4/46:30 am
DEN
- GMP
2 stops37h 30m
China Eastern
Deal found 3/14![China Eastern logo]()
$2,275
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 pm
ICN
- COS
2 stops31h 12m
Delta
Sat 4/187:59 am
COS
- ICN
2 stops30h 01m
Delta
Deal found 3/12![Delta logo]()
$1,252
This Japan Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
GMP
- DEN
2 stops24h 02m
Japan Airlines
Mon 6/87:13 am
DEN
- GMP
2 stops23h 02m
Japan Airlines
Deal found 3/13![Japan Airlines logo]()
$1,376
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:00 am
GMP
- DEN
2 stops24h 37m
Multiple Airlines
Tue 7/76:23 am
DEN
- GMP
2 stops23h 52m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$1,319
This Booking.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:55 pm
GMP
- DEN
2 stops37h 05m
ANA
Thu 7/99:43 am
DEN
- GMP
2 stops34h 22m
ANA
Deal found 3/14![ANA logo]()
$1,490
This YBTour deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
GMP
- DEN
2 stops24h 37m
Japan Airlines
Wed 6/107:13 am
DEN
- GMP
2 stops23h 02m
Japan Airlines
Deal found 3/14![Japan Airlines logo]()
$1,410
This FlightHub deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
GMP
- DEN
2 stops24h 48m
Japan Airlines
Sat 5/98:35 pm
DEN
- GMP
2 stops23h 05m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,411
This Korean Air deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:20 pm
ICN
- COS
1 stop17h 53m
Multiple Airlines
Sat 4/187:59 am
COS
- ICN
1 stop16h 21m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$1,598
This Cheapflightsfares deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:40 am
GMP
- DEN
2 stops25h 20m
ANA
Tue 6/211:40 am
DEN
- GMP
1 stop19h 40m
ANA
Deal found 3/12![ANA logo]()
$1,920
This Japan Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:05 pm
GMP
- DEN
2 stops20h 35m
Japan Airlines
Wed 8/59:41 am
DEN
- GMP
2 stops20h 34m
Japan Airlines
Deal found 3/13![Japan Airlines logo]()
$1,941
This Cheapflightsfares deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:40 am
GMP
- DEN
1 stop19h 30m
ANA
Tue 7/71:26 pm
DEN
- GMP
2 stops38h 09m
ANA
Deal found 3/13![ANA logo]()
$2,310
Last-minute flights from South Korea to ColoradoDiscover last-minute flight deals from South Korea to Colorado. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from South Korea to Colorado. Data last updated March 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:55 pm
ICN
- COS
1 stop19h 15m
American Airlines
Tue 3/246:00 am
COS
- ICN
1 stop18h 55m
American Airlines
Deal found 3/16![American Airlines logo]()
$1,514
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 pm
ICN
- COS
2 stops31h 12m
Delta
Sat 4/187:59 am
COS
- ICN
2 stops30h 01m
Delta
Deal found 3/12![Delta logo]()
$1,252
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:50 pm
ICN
- COS
1 stop33h 59m
American Airlines
Sat 4/185:41 am
COS
- ICN
1 stop19h 04m
American Airlines
Deal found 3/12![American Airlines logo]()
$1,551
This Korean Air deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:20 pm
ICN
- COS
1 stop17h 53m
Multiple Airlines
Sat 4/187:59 am
COS
- ICN
1 stop16h 21m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$1,598
This FlightHub deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:00 am
GMP
- DEN
2 stops24h 48m
Japan Airlines
Sat 5/98:35 pm
DEN
- GMP
2 stops23h 05m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,411
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:35 pm
ICN
- DEN
1 stop18h 21m
Multiple Airlines
Sun 5/106:00 am
DEN
- ICN
1 stop20h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$821
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:35 pm
ICN
- DEN
2 stops30h 45m
Multiple Airlines
Thu 5/76:00 am
DEN
- ICN
1 stop20h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$825
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:35 pm
ICN
- DEN
2 stops30h 45m
Multiple Airlines
Sat 5/96:45 am
DEN
- ICN
2 stops43h 45m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$833
This NaeilTour deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure NaeilTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:00 am
GMP
- DEN
2 stops24h 48m
Japan Airlines
Fri 5/157:26 am
DEN
- GMP
2 stops22h 49m
Japan Airlines
Deal found 3/15![Japan Airlines logo]()
$1,433
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:35 pm
ICN
- DEN
2 stops31h 31m
Alaska Airlines
Sun 4/266:00 am
DEN
- ICN
1 stop20h 30m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$805
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:35 pm
ICN
- DEN
1 stop17h 14m
Alaska Airlines
Fri 5/15:00 pm
DEN
- ICN
1 stop33h 30m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$789
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:35 pm
ICN
- DEN
2 stops19h 24m
Alaska Airlines
Wed 5/68:00 am
DEN
- ICN
1 stop18h 30m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$758
One-way flights from South Korea to ColoradoSearch for one-way flight options from South Korea to Colorado. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from South Korea to Colorado. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1211:20 am
ICN
- DEN
2 stops37h 32m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:10 pm
ICN
- DEN
2 stops42h 06m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:20 am
ICN
- DEN
2 stops52h 18m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 pm
ICN
- DEN
1 stop30h 52m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:10 am
ICN
- DEN
3 stops41h 23m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:10 am
ICN
- DEN
3 stops32h 03m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:30 pm
ICN
- DEN
2 stops28h 04m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:10 pm
ICN
- DEN
2 stops58h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/251:00 pm
ICN
- DEN
1 stop36h 04m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:20 am
GMP
- DEN
3 stops32h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:05 pm
GMP
- DEN
2 stops20h 43m
Japan Airlines
Deal found 3/14![Japan Airlines logo]()
$742
This China Eastern deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:50 pm
GMP
- DEN
2 stops35h 45m
China Eastern
Deal found 3/13![China Eastern logo]()
$750
Find flight deals from South Korea to Colorado
Keep the following information in mind while searching for South Korea to Colorado flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $745 (modetour) |
One-way from | $410 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $854 |
Cheapflights Fare Finder
Customize your flight search to find flights from South Korea to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from South Korea to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Fri 5/1
7:35 pm-11:59 pm
1 stop19h 24m
Denver Intl
Fri 5/8
1:02 pm-5:30 pm
2 stops61h 28m
$784
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Fri 5/1
7:35 pm-5:11 pm
1 stop36h 36m
Denver Intl
Sat 5/9
5:00 pm-5:30 pm
1 stop33h 30m
$805
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Fri 4/24
7:35 pm-9:49 pm
1 stop17h 14m
Denver Intl
Sun 4/26
6:00 am-5:30 pm
1 stop20h 30m
$805
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sun 5/3
7:35 pm-11:59 pm
2 stops19h 24m
Denver Intl
Thu 5/14
6:00 am-5:30 pm
1 stop20h 30m
$855
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Thu 4/16
8:35 pm-10:51 am
1 stop29h 16m
Denver Intl
Sat 5/9
11:50 am-5:30 pm
1 stop38h 40m
$960
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Wed 4/15
8:35 pm-11:56 pm
1 stop18h 21m
Denver Intl
Sun 5/10
6:00 am-5:30 pm
1 stop20h 30m
$965
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sat 4/4
7:20 pm-9:28 am
1 stop29h 08m
Denver Intl
Sat 5/2
6:27 pm-4:50 pm
2 stops31h 23m
$970
Quickest round-trip
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Tue 6/2
7:20 pm-7:15 pm
1 stop14h 55m
Denver Intl
Wed 6/10
8:40 am-4:40 pm
1 stop17h 00m
$972
IncheonColorado Springs
ICN - COS
ICNCOS
Incheon Intl
Mon 4/13
7:00 pm-11:12 am
2 stops31h 12m
Colorado Springs
Sat 4/18
7:59 am-5:00 am
2 stops30h 01m
$1,252
SeoulDenver
GMP - DEN
GMPDEN
Seoul Gimpo Intl
Thu 6/18
8:00 am-5:37 pm
2 stops24h 37m
Denver Intl
Tue 7/7
6:23 am-9:15 pm
2 stops23h 52m
$1,319
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from South Korea to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from South Korea with our price prediction graph.
ICN-DEN
GMP-DEN
ICN-COS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from South Korea to Colorado
KR0-USCO
ICN-DEN
GMP-DEN
ICN-COS
What is the cheapest month to book a flight from South Korea to Colorado?
Currently, November is the cheapest month in which you can book a flight from South Korea to Colorado (average of $488). Flying from South Korea to Colorado in February is currently the most expensive (average of $877). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from KR to CO?
Find hourly flight availability from South Korea to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.
It’s typically best to fly out from South Korea to Colorado in the evening. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from South Korea to Colorado?
Use this chart to determine the cheapest time to fly round-trip from South Korea to Colorado. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their South Korea to Colorado flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated March 17, 2026.
Read through reviews of airlines operating flights from South Korea to Colorado, such as Korean Air,Asiana Airlines, andDelta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Entertainment
8.2
Boarding
8.5
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from South Korea to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for South Korea to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from South Korea to Colorado by cabin class
Find flights from South Korea to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
South Korea and Colorado flights
Browse other South Korea and Colorado flight options. Last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to South Korea after your stay in Colorado
South Korea to Colorado flights
Consider these flights traveling from South Korea to Colorado.
Top 5 airlines flying from South Korea to Colorado
Discover the top 5 airlines that operate flights from South Korea to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$589 | Average$845 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$620 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$686 | Average$686 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$688 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$695 | Average$774 | FlexibilityNo cancel fee | On-time81% |