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Incheon Intl

$344+ Cheap flights from Colorado to Incheon Intl (ICN)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Colorado to Incheon Intl

Keep the following information in mind while searching for Colorado to Incheon Intl flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$776
(Kiwi.com)

One-way from

$344
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,149
Provider with most accurate pricing for Denver Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Seoul (SEL) flights.
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From Colorado to Incheon Intl
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One-way flight from Colorado to Incheon Intl
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Highest demand for flights based on searches. 16% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Colorado to Incheon Intl

Cheapest flights from Colorado to Incheon Intl
Explore the most affordable flight options available from Colorado to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/56:00 amDEN - ICN
1 stop22h 30mMultiple Airlines
Tue 12/99:20 pmICN - DEN
2 stops37h 08mMultiple Airlines
Deal found 11/5$805
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/2710:29 pmDEN - ICN
1 stop38h 41mMultiple Airlines
Sat 1/178:35 pmICN - DEN
2 stops29h 14mMultiple Airlines
Deal found 11/6$883
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/18:31 amDEN - ICN
1 stop28h 39mMultiple Airlines
Sat 12/209:20 pmICN - DEN
2 stops42h 39mMultiple Airlines
Deal found 11/5$917
This FlightHub deal was found by Cheapflights users on 11/5. 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 11/116:25 amDEN - ICN
2 stops40h 40mChina Eastern
Wed 11/264:10 pmICN - DEN
2 stops42h 38mChina Eastern
Deal found 11/5$918
This FlightHub deal was found by Cheapflights users on 11/5. 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 12/67:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Wed 12/1710:45 amICN - DEN
1 stop46h 50mTurkish Airlines
Deal found 11/5$923
This oojo deal was found by Cheapflights users on 11/6. 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.
Thu 11/277:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Fri 1/1612:10 amICN - DEN
1 stop33h 25mTurkish Airlines
Deal found 11/6$927
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/510:50 pmDEN - ICN
1 stop25h 30mMultiple Airlines
Fri 12/196:55 pmICN - DEN
2 stops31h 11mMultiple Airlines
Deal found 11/5$928
This lol.travel deal was found by Cheapflights users on 11/5. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Thu 12/1112:10 amICN - DEN
1 stop33h 25mTurkish Airlines
Deal found 11/5$959
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/105:01 pmDEN - ICN
1 stop20h 09mMultiple Airlines
Mon 12/298:35 pmICN - DEN
1 stop19h 24mMultiple Airlines
Deal found 11/6$977
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/216:02 pmCOS - ICN
1 stop30h 18mDelta
Tue 1/137:40 pmICN - COS
1 stop31h 37mDelta
Deal found 11/6$1,369
This Air Canada deal was found by Cheapflights users on 11/6. 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 11/215:05 pmCOS - ICN
2 stops32h 05mMultiple Airlines
Tue 1/136:55 pmICN - COS
2 stops18h 11mMultiple Airlines
Deal found 11/6$1,622
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/215:45 amCOS - ICN
1 stop19h 00mAmerican Airlines
Tue 1/137:15 pmICN - COS
1 stop17h 42mAmerican Airlines
Deal found 11/6$1,740

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Incheon Intl 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 November 6, 2025.
Use the filters below to find and compare flights from Colorado to Incheon Intl Airport that are best for you.

Fly from

Colorado

Fly to

Incheon Intl

Route

Depart

Return

Price

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 1/13

5:05 pm-5:40 am

2 stops20h 35m

Incheon Intl

Tue 3/17

11:45 am-9:43 pm

2 stops24h 58m

$921

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 12/3

3:53 pm-4:00 pm

1 stop32h 07m

Incheon Intl

Thu 12/18

3:00 pm-12:37 pm

2 stops37h 37m

$1,023

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 1/27

11:49 am-6:35 pm

2 stops38h 46m

Incheon Intl

Fri 2/13

8:35 pm-10:32 am

2 stops29h 57m

$1,101

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 1/27

11:49 am-6:35 pm

2 stops38h 46m

Incheon Intl

Mon 2/9

8:35 pm-10:53 am

2 stops30h 18m

$1,101

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 12/3

8:45 am-5:10 pm

1 stop16h 25m

Incheon Intl

Thu 12/18

6:55 pm-7:14 pm

1 stop16h 19m

$1,110

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 1/27

7:26 pm-5:10 pm

2 stops29h 44m

Incheon Intl

Tue 2/10

3:00 pm-12:37 pm

2 stops37h 37m

$1,128

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 3/15

7:05 pm-4:15 pm

2 stops30h 10m

Incheon Intl

Mon 4/20

10:10 am-12:38 pm

2 stops41h 28m

$1,128

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 12/3

3:22 pm-9:35 am

2 stops50h 13m

Incheon Intl

Wed 12/17

12:10 am-5:35 pm

1 stop33h 25m

$1,164

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 1/3

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 1/30

12:10 am-4:12 pm

2 stops32h 02m

$1,183

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 1/11

3:30 pm-4:15 pm

2 stops32h 45m

Incheon Intl

Sat 1/17

12:45 pm-5:23 pm

2 stops20h 38m

$1,216

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 25 results
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Best time to book a flight from Colorado to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Colorado with our price prediction graph.
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 Incheon Intl Airport

What is the cheapest month to book a flight from Colorado to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Colorado to Incheon Intl Airport (average of $103). Flying from Colorado to Incheon Intl Airport in June is currently the most expensive (average of $1,490). 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 CO to ICN?

Find hourly flight availability from Colorado to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

It’s typically best to fly out from Colorado to Incheon Intl Airport in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Incheon Intl Airport?

    Departing from Colorado to Incheon Intl Airport will take you 16h 25m. The distance between Colorado and Incheon Intl Airport is about 6186 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Colorado to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Colorado to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Incheon Intl.

  • Can I find deals for business class flights from Colorado to Incheon Intl?

    Yes. Cheapflights offers flight deals from Colorado to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Incheon Intl Airport (average of $103). Flying from Colorado to Incheon Intl Airport in June is currently the most expensive (average of $1,490). 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.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Alternative routes for Colorado to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Colorado to Incheon Intl

Discover the top 10 airlines that operate flights from Colorado to Incheon Intl. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$189Average$1,096FlexibilityNo cancel feeOn-time69%
DeltaCheapest$474Average$1,097FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$895FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,233FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$843Average$1,505FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$875Average$1,219FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,102FlexibilityNo cancel feeOn-time71%

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