$493+ Cheap flights from Colorado to Seoul (SEL)
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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEL
Jun 1 — Jun 81
Round-trip
1 adult, Economy
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Cheapest flights from Colorado to SeoulExplore the most affordable flight options available from Colorado to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
Explore the most affordable flight options available from Colorado to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Wed 6/37:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$972
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Sat 5/307:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$974
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 5/227:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$979
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 6/57:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Thu 5/217:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$988
This FlightHub deal was found by Cheapflights users on 4/30. 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 10/206:30 am
DEN
- ICN
2 stops41h 40m
China Eastern
Wed 11/44:20 pm
ICN
- DEN
2 stops41h 50m
China Eastern
Deal found 4/30![China Eastern logo]()
$998
This FlightHub deal was found by Cheapflights users on 5/1. 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.
Thu 8/206:30 am
DEN
- GMP
2 stops37h 30m
China Eastern
Fri 9/188:50 pm
GMP
- DEN
2 stops36h 20m
China Eastern
Deal found 5/1![China Eastern logo]()
$998
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Wed 6/107:35 pm
ICN
- DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,023
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/3012:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 6/197:35 pm
ICN
- DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,035
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1512:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Mon 6/156:00 pm
ICN
- DEN
1 stop30h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,045
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:30 am
DEN
- GMP
2 stops37h 30m
China Eastern
Wed 9/168:50 pm
GMP
- DEN
2 stops36h 20m
China Eastern
Deal found 4/27![China Eastern logo]()
$1,063
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 10/266:43 am
DEN
- GMP
2 stops24h 22m
Japan Airlines
Wed 11/118:00 am
GMP
- DEN
2 stops23h 16m
Japan Airlines
Deal found 4/30![Japan Airlines logo]()
$1,292
Best flights from Colorado to SeoulDiscover carefully curated flight deals from Colorado to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
Discover carefully curated flight deals from Colorado to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 9/95:39 am
COS
- ICN
1 stop19h 06m
American Airlines
Sat 9/265:50 pm
ICN
- COS
1 stop20h 07m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,318
This Fareboom deal was found by Cheapflights users on 4/27. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:41 am
DEN
- GMP
2 stops20h 34m
Japan Airlines
Wed 8/268:00 am
GMP
- DEN
2 stops24h 56m
Japan Airlines
Deal found 4/27![Japan Airlines logo]()
$1,439
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/175:45 pm
DEN
- ICN
1 stop19h 35m
United Airlines
Mon 11/236:30 pm
ICN
- DEN
1 stop20h 58m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,507
This China Eastern deal was found by Cheapflights users on 4/28. 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.
Tue 5/127:25 am
DEN
- ICN
2 stops37h 30m
China Eastern
Fri 5/154:20 pm
ICN
- DEN
2 stops40h 15m
China Eastern
Deal found 4/28![China Eastern logo]()
$1,518
This Japan Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 9/77:20 am
DEN
- GMP
2 stops22h 55m
Multiple Airlines
Fri 9/118:00 am
GMP
- DEN
2 stops23h 32m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,589
This Cathay Pacific deal was found by Cheapflights users on 4/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:43 am
DEN
- ICN
2 stops26h 42m
Cathay Pacific
Sat 11/281:45 pm
ICN
- DEN
2 stops43h 19m
Cathay Pacific
Deal found 4/29![Cathay Pacific logo]()
$1,820
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 9/91:51 pm
COS
- ICN
2 stops23h 29m
United Airlines
Sat 9/264:50 pm
ICN
- COS
2 stops22h 09m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,511
This Fareboom deal was found by Cheapflights users on 5/1. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:06 am
DEN
- GMP
2 stops21h 09m
Japan Airlines
Mon 9/77:15 pm
GMP
- DEN
2 stops36h 39m
Japan Airlines
Deal found 5/1![Japan Airlines logo]()
$1,616
This Cathay Pacific deal was found by Cheapflights users on 5/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:12 pm
DEN
- ICN
2 stops27h 28m
Multiple Airlines
Sun 7/121:55 am
ICN
- DEN
2 stops30h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,674
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Thu 8/203:47 pm
DEN
- ICN
1 stop21h 33m
United Airlines
Thu 1/76:30 pm
ICN
- DEN
2 stops28h 12m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,561
This Japan Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 9/69:06 am
DEN
- GMP
2 stops34h 34m
Japan Airlines
Wed 9/97:15 pm
GMP
- DEN
2 stops31h 34m
Japan Airlines
Deal found 4/27![Japan Airlines logo]()
$1,653
This EVA Air deal was found by Cheapflights users on 4/27. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:35 pm
DEN
- ICN
2 stops23h 25m
Multiple Airlines
Sun 6/147:45 pm
ICN
- DEN
2 stops27h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,694
This oojo deal was found by Cheapflights users on 4/29. 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 9/87:00 am
DEN
- GMP
2 stops23h 15m
Japan Airlines
Tue 9/298:00 am
GMP
- DEN
2 stops24h 30m
Japan Airlines
Deal found 4/29![Japan Airlines logo]()
$1,666
This Singapore Airlines deal was found by Cheapflights users on 5/1. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 pm
DEN
- ICN
2 stops35h 45m
Multiple Airlines
Thu 12/312:35 pm
ICN
- DEN
3 stops49h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,761
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/246:00 am
DEN
- ICN
1 stop31h 20m
United Airlines
Thu 7/911:30 am
ICN
- DEN
1 stop20h 05m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,768
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/212:56 pm
COS
- ICN
2 stops24h 24m
United Airlines
Mon 6/154:50 pm
ICN
- COS
2 stops32h 56m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,810
This Cathay Pacific deal was found by Cheapflights users on 5/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:12 pm
DEN
- ICN
2 stops27h 28m
Multiple Airlines
Wed 7/291:55 am
ICN
- DEN
2 stops30h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,816
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/195:40 am
COS
- ICN
1 stop19h 05m
American Airlines
Sun 5/315:50 pm
ICN
- COS
1 stop19h 35m
American Airlines
Deal found 4/28![American Airlines logo]()
$2,465
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 8/37:22 am
DEN
- GMP
2 stops22h 53m
Japan Airlines
Sat 8/812:05 pm
GMP
- DEN
2 stops26h 54m
Japan Airlines
Deal found 4/27![Japan Airlines logo]()
$1,968
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 6/289:10 pm
DEN
- ICN
1 stop26h 50m
United Airlines
Sun 7/1211:30 am
ICN
- DEN
1 stop27h 13m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,818
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/185:13 pm
COS
- ICN
1 stop31h 32m
American Airlines
Sun 5/315:50 pm
ICN
- COS
1 stop19h 35m
American Airlines
Deal found 4/28![American Airlines logo]()
$2,478
This Cathay Pacific deal was found by Cheapflights users on 4/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:08 pm
DEN
- ICN
2 stops27h 32m
Multiple Airlines
Sun 7/58:00 am
ICN
- DEN
2 stops42h 14m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,918
This Japan Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 9/257:20 am
DEN
- GMP
2 stops22h 55m
Japan Airlines
Fri 10/98:00 am
GMP
- DEN
2 stops23h 38m
Japan Airlines
Deal found 4/29![Japan Airlines logo]()
$1,973
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 6/259:10 pm
DEN
- ICN
1 stop16h 10m
United Airlines
Sun 7/54:50 pm
ICN
- DEN
1 stop22h 57m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,907
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 am
DEN
- GMP
2 stops22h 45m
Multiple Airlines
Thu 9/247:55 pm
GMP
- DEN
2 stops37h 03m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,953
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/912:56 pm
COS
- ICN
2 stops24h 24m
United Airlines
Sat 6/2011:30 am
ICN
- COS
2 stops23h 31m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,910
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/205:40 am
COS
- ICN
1 stop19h 05m
American Airlines
Sun 5/315:50 pm
ICN
- COS
1 stop19h 35m
American Airlines
Deal found 4/28![American Airlines logo]()
$2,892
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:08 pm
DEN
- GMP
2 stops36h 07m
Japan Airlines
Wed 6/247:15 pm
GMP
- DEN
2 stops37h 22m
Japan Airlines
Deal found 4/27![Japan Airlines logo]()
$2,265
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/186:57 pm
COS
- ICN
2 stops18h 23m
United Airlines
Sun 5/3111:30 am
ICN
- COS
2 stops23h 31m
United Airlines
Deal found 4/28![United Airlines logo]()
$2,009
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/199:30 am
COS
- ICN
2 stops27h 50m
United Airlines
Sun 5/3111:30 am
ICN
- COS
2 stops23h 31m
United Airlines
Deal found 4/28![United Airlines logo]()
$2,009
Last-minute flights from Colorado to SeoulDiscover last-minute flight deals from Colorado to Seoul. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Seoul. Data last updated May 2, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Fri 5/17:26 am
DEN
- GMP
2 stops22h 49m
Japan Airlines
Fri 5/812:05 pm
GMP
- DEN
2 stops20h 43m
Japan Airlines
Deal found 4/30![Japan Airlines logo]()
$1,411
This Ovago deal was found by Cheapflights users on 4/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:35 pm
DEN
- GMP
2 stops33h 40m
Japan Airlines
Sat 5/168:00 am
GMP
- DEN
2 stops27h 03m
Japan Airlines
Deal found 4/28![Japan Airlines logo]()
$1,404
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Wed 5/67:36 am
DEN
- GMP
2 stops22h 39m
Japan Airlines
Fri 5/158:00 am
GMP
- DEN
2 stops27h 03m
Japan Airlines
Deal found 4/29![Japan Airlines logo]()
$1,418
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:52 am
DEN
- ICN
1 stop19h 18m
Multiple Airlines
Fri 5/156:00 pm
ICN
- DEN
2 stops30h 38m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,047
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Sat 5/307:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$974
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 5/227:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$979
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1312:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Thu 5/217:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$988
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1512:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Mon 6/156:00 pm
ICN
- DEN
1 stop30h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,045
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Wed 6/37:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$972
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 6/57:35 pm
ICN
- DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$983
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Wed 6/107:35 pm
ICN
- DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,023
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/3012:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Fri 6/197:35 pm
ICN
- DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,035
One-way flights from Colorado to SeoulSearch for one-way flight options from Colorado to Seoul. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
Search for one-way flight options from Colorado to Seoul. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/2712:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 9/19:06 pm
DEN
- ICN
2 stops32h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/3012:15 pm
DEN
- ICN
2 stops42h 25m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/310:29 pm
DEN
- ICN
2 stops32h 16m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/239:06 pm
DEN
- ICN
2 stops47h 19m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sat 7/2512:14 pm
DEN
- ICN
1 stop38h 16m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 7/1310:39 pm
DEN
- ICN
3 stops32h 01m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/226:00 am
DEN
- ICN
3 stops48h 40m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/239:06 pm
DEN
- GMP
3 stops46h 24m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 9/19:06 pm
DEN
- GMP
3 stops46h 24m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$587
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 7/137:00 am
DEN
- GMP
3 stops44h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/167:00 am
DEN
- GMP
3 stops44h 00m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$727
Find flight deals from Colorado to Seoul
Keep the following information in mind while searching for Colorado to Seoul flight deals. Data was last updated May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $972 (Kiwi.com) |
One-way from | $493 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,663 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Seoul 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 May 2, 2026.
Use the filters below to find and compare flights from Colorado to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsIncheon
COS - ICN
COSICN
Colorado Springs
Wed 9/9
5:39 am-3:45 pm
1 stop19h 06m
Incheon Intl
Sat 9/26
5:50 pm-10:57 pm
1 stop20h 07m
$1,318
DenverSeoul
DEN - GMP
DENGMP
Denver Intl
Thu 8/20
9:41 am-9:15 pm
2 stops20h 34m
Seoul Gimpo Intl
Wed 8/26
8:00 am-5:56 pm
2 stops24h 56m
$1,439
DenverIncheon
DEN - ICN
DENICN
Denver Intl
Sat 10/17
5:45 pm-4:20 am
1 stop19h 35m
Incheon Intl
Mon 11/23
6:30 pm-11:28 pm
1 stop20h 58m
$1,507
Colorado SpringsIncheon
COS - ICN
COSICN
Colorado Springs
Wed 9/9
1:51 pm-4:20 am
2 stops23h 29m
Incheon Intl
Sat 9/26
4:50 pm-11:59 pm
2 stops22h 09m
$1,511
DenverIncheon
DEN - ICN
DENICN
Denver Intl
Tue 5/12
7:25 am-11:55 am
2 stops37h 30m
Incheon Intl
Fri 5/15
4:20 pm-5:35 pm
2 stops40h 15m
$1,518
DenverIncheon
DEN - ICN
DENICN
Denver Intl
Thu 8/20
3:47 pm-4:20 am
1 stop21h 33m
Incheon Intl
Thu 1/7
6:30 pm-6:42 am
2 stops28h 12m
$1,561
DenverSeoul
DEN - GMP
DENGMP
Denver Intl
Mon 9/7
7:20 am-9:15 pm
2 stops22h 55m
Seoul Gimpo Intl
Fri 9/11
8:00 am-4:32 pm
2 stops23h 32m
$1,589
DenverSeoul
DEN - GMP
DENGMP
Denver Intl
Fri 9/4
9:06 am-9:15 pm
2 stops21h 09m
Seoul Gimpo Intl
Mon 9/7
7:15 pm-4:54 pm
2 stops36h 39m
$1,616
DenverSeoul
DEN - GMP
DENGMP
Denver Intl
Sun 9/6
9:06 am-10:40 am
2 stops34h 34m
Seoul Gimpo Intl
Wed 9/9
7:15 pm-11:49 am
2 stops31h 34m
$1,653
DenverSeoul
DEN - GMP
DENGMP
Denver Intl
Tue 9/8
7:00 am-9:15 pm
2 stops23h 15m
Seoul Gimpo Intl
Tue 9/29
8:00 am-5:30 pm
2 stops24h 30m
$1,666
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Colorado to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Colorado with our price prediction graph.
DEN-ICN
DEN-GMP
COS-ICN
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 Colorado to Seoul
USCO-SEL
DEN-ICN
DEN-GMP
COS-ICN
How far ahead should I book a flight from Colorado to Seoul?
Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Colorado to Seoul?
Currently, February is the cheapest month in which you can book a flight from Colorado to Seoul (average of $59). Flying from Colorado to Seoul in November is currently the most expensive (average of $866). 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.
How much does it cost to fly round-trip from Colorado to Seoul?
Related info for your journey
Find useful and relevant information for your journey from Colorado to Seoul. 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
Seoul flight routes
Top destinations
Alternative routes for Colorado to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Seoul by cabin class
Find flights from Colorado to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Seoul flights
Browse other Colorado and Seoul flight options. Last updated on May 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 2, 2026.
Colorado to Seoul flights
Consider these flights traveling from Colorado to Seoul.
Top 9 airlines flying from Colorado to Seoul
Discover the top 9 airlines that operate flights from Colorado to Seoul. 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 May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$1,436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$478 | Average$1,062 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$519 | Average$1,105 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$608 | Average$616 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$757 | Average$1,219 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$816 | Average$1,506 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$878 | Average$1,087 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$912 | Average$1,150 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,213 | Average$1,443 | FlexibilityNo cancel fee | On-time60% |