$379+ Cheap flights from Seoul (SEL) 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DEN
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Seoul 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
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Cheapest flights from Seoul to ColoradoExplore the most affordable flight options available from Seoul to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Seoul to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 pm
ICN
- DEN
1 stop14h 15m
Air Canada
Mon 6/87:50 pm
DEN
- ICN
1 stop29h 15m
Air Canada
Deal found 2/1![Air Canada logo]()
$628
This Gurufare deal was found by Cheapflights users on 2/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 pm
ICN
- DEN
2 stops31h 56m
Japan Airlines
Sun 3/222:14 pm
DEN
- ICN
2 stops34h 41m
Japan Airlines
Deal found 2/1![Japan Airlines logo]()
$635
This WhyPayMore deal was found by Cheapflights users on 2/1. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 pm
ICN
- DEN
1 stop14h 15m
Air Canada
Fri 5/89:25 am
DEN
- ICN
1 stop15h 40m
Air Canada
Deal found 2/1![Air Canada logo]()
$644
This Air Canada deal was found by Cheapflights users on 1/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:55 pm
ICN
- DEN
1 stop34h 42m
Air Canada
Mon 3/27:05 pm
DEN
- ICN
1 stop30h 05m
Air Canada
Deal found 1/31![Air Canada logo]()
$650
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 pm
ICN
- DEN
1 stop33h 42m
Air Canada
Wed 3/258:05 am
DEN
- ICN
1 stop17h 10m
Air Canada
Deal found 2/1![Air Canada logo]()
$659
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sat 5/235:45 pm
ICN
- DEN
2 stops39h 19m
Air Canada
Thu 5/2811:21 am
DEN
- ICN
2 stops37h 44m
Air Canada
Deal found 2/1![Air Canada logo]()
$662
This FlightHub deal was found by Cheapflights users on 2/1. 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 5/145:45 pm
ICN
- DEN
2 stops39h 22m
Air Canada
Fri 6/511:21 am
DEN
- ICN
2 stops37h 44m
Air Canada
Deal found 2/1![Air Canada logo]()
$663
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:35 pm
ICN
- DEN
1 stop19h 00m
Multiple Airlines
Mon 2/236:45 pm
DEN
- ICN
2 stops55h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$671
This WhyPayMore deal was found by Cheapflights users on 2/1. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:45 pm
ICN
- DEN
1 stop15h 27m
Air Canada
Sat 5/99:25 am
DEN
- ICN
1 stop15h 40m
Air Canada
Deal found 2/1![Air Canada logo]()
$673
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 2/185:55 pm
ICN
- DEN
2 stops40h 10m
Air Canada
Tue 3/1711:19 am
DEN
- ICN
2 stops37h 56m
Air Canada
Deal found 2/1![Air Canada logo]()
$678
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:40 pm
ICN
- COS
1 stop31h 38m
Delta
Tue 2/107:59 am
COS
- ICN
2 stops39h 31m
Delta
Deal found 2/2![Delta logo]()
$916
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 pm
ICN
- COS
2 stops36h 35m
Air Canada
Tue 2/245:05 pm
COS
- ICN
2 stops32h 05m
Air Canada
Deal found 2/2![Air Canada logo]()
$938
Best flights from Seoul to ColoradoDiscover carefully curated flight deals from Seoul to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Seoul to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Gurufare deal was found by Cheapflights users on 2/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 pm
ICN
- DEN
2 stops31h 56m
Japan Airlines
Sun 3/222:14 pm
DEN
- ICN
2 stops34h 41m
Japan Airlines
Deal found 2/1![Japan Airlines logo]()
$635
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 pm
ICN
- DEN
2 stops31h 48m
Air Canada
Mon 6/87:50 pm
DEN
- ICN
1 stop29h 15m
Air Canada
Deal found 2/1![Air Canada logo]()
$642
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:45 pm
ICN
- DEN
2 stops30h 05m
Multiple Airlines
Thu 5/287:50 pm
DEN
- ICN
2 stops25h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$711
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:55 pm
GMP
- DEN
2 stops42h 42m
ANA
Mon 7/131:25 pm
DEN
- GMP
2 stops38h 10m
ANA
Deal found 2/2![ANA logo]()
$1,214
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/2012:45 pm
ICN
- COS
2 stops24h 59m
United Airlines
Tue 2/245:59 am
COS
- ICN
2 stops18h 16m
United Airlines
Deal found 1/31![United Airlines logo]()
$1,220
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 3/54:10 pm
ICN
- COS
2 stops35h 05m
Delta
Thu 3/128:15 am
COS
- ICN
1 stop17h 05m
Delta
Deal found 2/3![Delta logo]()
$1,237
This Air Canada deal was found by Cheapflights users on 1/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:55 pm
ICN
- DEN
1 stop34h 42m
Air Canada
Mon 3/27:05 pm
DEN
- ICN
1 stop30h 05m
Air Canada
Deal found 1/31![Air Canada logo]()
$650
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/57:15 pm
ICN
- COS
1 stop17h 23m
American Airlines
Thu 3/126:00 am
COS
- ICN
1 stop18h 55m
American Airlines
Deal found 2/3![American Airlines logo]()
$1,353
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sat 5/235:45 pm
ICN
- DEN
2 stops39h 19m
Air Canada
Thu 5/2811:21 am
DEN
- ICN
2 stops37h 44m
Air Canada
Deal found 2/1![Air Canada logo]()
$662
This FlightHub deal was found by Cheapflights users on 2/1. 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 5/145:45 pm
ICN
- DEN
2 stops39h 22m
Air Canada
Fri 6/511:21 am
DEN
- ICN
2 stops37h 44m
Air Canada
Deal found 2/1![Air Canada logo]()
$663
This WhyPayMore deal was found by Cheapflights users on 2/1. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:45 pm
ICN
- DEN
1 stop15h 27m
Air Canada
Sat 5/99:25 am
DEN
- ICN
1 stop15h 40m
Air Canada
Deal found 2/1![Air Canada logo]()
$673
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:55 pm
ICN
- DEN
2 stops30h 00m
Air Canada
Sat 3/217:25 pm
DEN
- ICN
2 stops53h 50m
Air Canada
Deal found 2/1![Air Canada logo]()
$685
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 2/185:55 pm
ICN
- DEN
1 stop17h 33m
Air Canada
Tue 3/1711:19 am
DEN
- ICN
2 stops37h 56m
Air Canada
Deal found 2/1![Air Canada logo]()
$701
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:55 pm
ICN
- DEN
2 stops30h 00m
Air Canada
Fri 3/207:25 pm
DEN
- ICN
2 stops53h 50m
Air Canada
Deal found 2/1![Air Canada logo]()
$719
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
GMP
- DEN
2 stops24h 48m
Japan Airlines
Sat 4/118:33 pm
DEN
- GMP
2 stops23h 07m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,346
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:25 pm
GMP
- DEN
2 stops25h 24m
ANA
Sun 3/221:25 pm
DEN
- GMP
2 stops30h 55m
ANA
Deal found 2/1![ANA logo]()
$1,439
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:00 am
GMP
- DEN
2 stops19h 21m
Multiple Airlines
Mon 3/1610:25 am
DEN
- GMP
2 stops20h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,492
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:05 pm
GMP
- DEN
2 stops22h 29m
Japan Airlines
Tue 3/316:50 am
DEN
- GMP
2 stops23h 25m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$1,397
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:40 am
GMP
- DEN
2 stops25h 40m
ANA
Thu 5/71:25 pm
DEN
- GMP
2 stops41h 55m
ANA
Deal found 2/2![ANA logo]()
$1,484
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:15 pm
ICN
- COS
1 stop17h 23m
American Airlines
Tue 2/246:00 am
COS
- ICN
1 stop18h 45m
American Airlines
Deal found 2/2![American Airlines logo]()
$1,800
This Trip.com deal was found by Cheapflights users on 2/4. 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.
Sun 5/248:00 am
GMP
- DEN
2 stops24h 45m
Japan Airlines
Thu 5/286:07 pm
DEN
- GMP
2 stops25h 33m
Japan Airlines
Deal found 2/4![Japan Airlines logo]()
$1,491
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 pm
ICN
- COS
2 stops36h 35m
Air Canada
Tue 2/245:05 pm
COS
- ICN
2 stops32h 05m
Air Canada
Deal found 2/2![Air Canada logo]()
$938
This Japan Airlines deal was found by Cheapflights users on 2/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:40 pm
GMP
- DEN
2 stops30h 56m
Multiple Airlines
Fri 3/209:17 am
DEN
- GMP
2 stops34h 38m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,683
This Japan Airlines deal was found by Cheapflights users on 2/4. 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 3/147:40 pm
GMP
- DEN
2 stops30h 56m
Multiple Airlines
Thu 3/1912:19 pm
DEN
- GMP
2 stops31h 36m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,687
This Jetabroad deal was found by Cheapflights users on 2/1. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:40 pm
GMP
- DEN
2 stops30h 56m
Japan Airlines
Wed 3/256:00 am
DEN
- GMP
2 stops25h 05m
Japan Airlines
Deal found 2/1![Japan Airlines logo]()
$1,558
This Japan Airlines deal was found by Cheapflights users on 2/3. 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 3/147:40 pm
GMP
- DEN
2 stops30h 56m
Multiple Airlines
Sat 3/219:17 am
DEN
- GMP
2 stops34h 38m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,733
This YBTour deal was found by Cheapflights users on 2/3. 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.
Sun 3/87:40 pm
GMP
- DEN
2 stops30h 56m
Japan Airlines
Wed 3/116:00 am
DEN
- GMP
2 stops25h 05m
Japan Airlines
Deal found 2/3![Japan Airlines logo]()
$1,606
This Booking.com deal was found by Cheapflights users on 2/3. 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.
Thu 3/56:55 pm
ICN
- COS
2 stops21h 01m
Air Canada
Thu 3/126:00 am
COS
- ICN
2 stops19h 15m
Air Canada
Deal found 2/3![Air Canada logo]()
$1,345
Last-minute flights from Seoul to ColoradoDiscover last-minute flight deals from Seoul to Colorado. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seoul to Colorado. Data last updated February 4, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 2/185:55 pm
ICN
- DEN
2 stops40h 10m
Air Canada
Tue 3/1711:19 am
DEN
- ICN
2 stops37h 56m
Air Canada
Deal found 2/1![Air Canada logo]()
$678
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:55 pm
ICN
- DEN
1 stop34h 33m
Air Canada
Tue 3/101:25 pm
DEN
- ICN
2 stops35h 50m
Air Canada
Deal found 2/1![Air Canada logo]()
$709
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 pm
ICN
- COS
2 stops36h 35m
Air Canada
Tue 2/245:05 pm
COS
- ICN
2 stops32h 05m
Air Canada
Deal found 2/2![Air Canada logo]()
$938
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/2012:45 pm
ICN
- COS
2 stops24h 59m
United Airlines
Tue 2/245:59 am
COS
- ICN
2 stops18h 16m
United Airlines
Deal found 1/31![United Airlines logo]()
$1,220
This Air Canada deal was found by Cheapflights users on 1/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:55 pm
ICN
- DEN
1 stop34h 42m
Air Canada
Mon 3/27:05 pm
DEN
- ICN
1 stop30h 05m
Air Canada
Deal found 1/31![Air Canada logo]()
$650
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 3/54:10 pm
ICN
- COS
2 stops35h 05m
Delta
Thu 3/128:15 am
COS
- ICN
1 stop17h 05m
Delta
Deal found 2/3![Delta logo]()
$1,237
This Booking.com deal was found by Cheapflights users on 2/3. 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.
Thu 3/56:55 pm
ICN
- COS
2 stops21h 01m
Air Canada
Thu 3/126:00 am
COS
- ICN
2 stops19h 15m
Air Canada
Deal found 2/3![Air Canada logo]()
$1,345
This Trip.com deal was found by Cheapflights users on 2/3. 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 3/136:55 pm
ICN
- DEN
1 stop20h 42m
Multiple Airlines
Sat 3/2110:29 pm
DEN
- ICN
1 stop31h 01m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$708
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:55 pm
ICN
- DEN
2 stops30h 00m
Air Canada
Sat 3/217:25 pm
DEN
- ICN
2 stops53h 50m
Air Canada
Deal found 2/1![Air Canada logo]()
$685
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:55 pm
ICN
- DEN
1 stop33h 42m
Air Canada
Fri 3/207:25 pm
DEN
- ICN
2 stops53h 50m
Air Canada
Deal found 2/1![Air Canada logo]()
$719
This Gurufare deal was found by Cheapflights users on 2/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 pm
ICN
- DEN
2 stops31h 56m
Japan Airlines
Sun 3/222:14 pm
DEN
- ICN
2 stops34h 41m
Japan Airlines
Deal found 2/1![Japan Airlines logo]()
$635
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:55 pm
ICN
- DEN
1 stop33h 42m
Air Canada
Wed 3/258:05 am
DEN
- ICN
1 stop17h 10m
Air Canada
Deal found 2/1![Air Canada logo]()
$659
One-way flights from Seoul to ColoradoSearch for one-way flight options from Seoul to Colorado. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Seoul to Colorado. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 4/276:20 pm
ICN
- DEN
1 stop30h 22m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/296:20 pm
ICN
- DEN
2 stops20h 59m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$399
This WhyPayMore deal was found by Cheapflights users on 2/1. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:45 pm
ICN
- DEN
1 stop15h 05m
Air Canada
Deal found 2/1![Air Canada logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 5/66:20 pm
ICN
- DEN
1 stop30h 22m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 5/46:20 pm
ICN
- DEN
1 stop30h 22m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$411
This Booking.com deal was found by Cheapflights users on 2/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:45 pm
ICN
- DEN
2 stops39h 22m
Air Canada
Deal found 2/1![Air Canada logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/276:55 pm
ICN
- DEN
1 stop31h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/26:55 pm
ICN
- DEN
1 stop33h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$428
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Fri 5/293:00 pm
GMP
- DEN
2 stops23h 10m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 4/246:20 pm
ICN
- DEN
2 stops33h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/296:20 pm
ICN
- COS
3 stops58h 32m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 4/259:10 pm
ICN
- COS
3 stops55h 42m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$507
Find flight deals from Seoul to Colorado
Keep the following information in mind while searching for Seoul to Colorado flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $628 (Gotogate) |
One-way from | $379 (Kiwi.com) |
Popular in | October |
Cheapest in | December |
Average price | $1,035 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seoul 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 February 4, 2026.
Use the filters below to find and compare flights from Seoul to Colorado that are best for you.
Fly from
Seoul
Fly to
Colorado
Route
Depart
Return
Price
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Wed 3/18
5:55 pm-10:51 am
2 stops31h 56m
Denver Intl
Sun 3/22
2:14 pm-3:55 pm
2 stops34h 41m
$635
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Tue 6/2
5:45 pm-10:33 am
2 stops31h 48m
Denver Intl
Mon 6/8
7:50 pm-4:05 pm
1 stop29h 15m
$642
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Fri 2/27
5:55 pm-12:37 pm
1 stop34h 42m
Denver Intl
Mon 3/2
7:05 pm-5:10 pm
1 stop30h 05m
$650
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sat 5/23
5:45 pm-6:04 pm
2 stops39h 19m
Denver Intl
Thu 5/28
11:21 am-4:05 pm
2 stops37h 44m
$662
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Thu 5/14
5:45 pm-6:07 pm
2 stops39h 22m
Denver Intl
Fri 6/5
11:21 am-4:05 pm
2 stops37h 44m
$663
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Fri 5/1
5:45 pm-6:12 pm
1 stop15h 27m
Denver Intl
Sat 5/9
9:25 am-4:05 pm
1 stop15h 40m
$673
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sat 3/14
5:55 pm-8:55 am
2 stops30h 00m
Denver Intl
Sat 3/21
7:25 pm-4:15 pm
2 stops53h 50m
$685
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Wed 2/18
5:55 pm-7:28 pm
1 stop17h 33m
Denver Intl
Tue 3/17
11:19 am-4:15 pm
2 stops37h 56m
$701
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sat 5/23
5:45 pm-8:50 am
2 stops30h 05m
Denver Intl
Thu 5/28
7:50 pm-12:40 pm
2 stops25h 50m
$711
IncheonDenver
ICN - DEN
ICNDEN
Incheon Intl
Sat 3/14
5:55 pm-8:55 am
2 stops30h 00m
Denver Intl
Fri 3/20
7:25 pm-4:15 pm
2 stops53h 50m
$719
Showing 1-10 of 58 results
Best time to book a flight from Seoul to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Seoul 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 Seoul to Colorado
SEL-USCO
ICN-DEN
GMP-DEN
ICN-COS
What is the cheapest month to book a flight from Seoul to Colorado?
Currently, November is the cheapest month in which you can book a flight from Seoul to Colorado (average of $488). Flying from Seoul to Colorado in February is currently the most expensive (average of $997). 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.
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 February 4, 2026.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, and Delta from Seoul to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Overall
8.4
Entertainment
8.2
Food
8.1
Boarding
8.5
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Seoul to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seoul to Colorado
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Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seoul to Colorado by cabin class
Find flights from Seoul to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seoul and Colorado flights
Browse other Seoul and Colorado flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seoul to Colorado flights
Consider these flights traveling from Seoul to Colorado.
Top 5 airlines flying from Seoul to Colorado
Discover the top 5 airlines that operate flights from Seoul 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$589 | Average$845 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$601 | Average$686 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$620 | Average$814 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$688 | Average$808 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$695 | Average$760 | FlexibilityNo cancel fee | On-time81% |