Incheon Intl

$371+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Oct 17 — Oct 241
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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 September 17, 2025.

Round-trip from

$843
(Kiwi.com)

One-way from

$371
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,024
From Colorado to Incheon Intl
One-way flight from Colorado to Incheon Intl
Highest demand for flights based on searches. 5% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:55 pmDEN - ICN
1 stop26h 15mMultiple Airlines
Thu 11/68:35 pmICN - DEN
2 stops29h 43mMultiple Airlines
Deal found 9/15$843
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:55 pmDEN - ICN
1 stop26h 25mMultiple Airlines
Tue 11/189:20 pmICN - DEN
2 stops46h 38mMultiple Airlines
Deal found 9/16$848
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:55 pmDEN - ICN
1 stop25h 25mMultiple Airlines
Thu 11/209:20 pmICN - DEN
2 stops52h 54mMultiple Airlines
Deal found 9/16$861
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:55 pmDEN - ICN
1 stop25h 50mMultiple Airlines
Tue 10/281:20 pmICN - DEN
1 stop35h 58mMultiple Airlines
Deal found 9/16$862
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:50 pmDEN - ICN
1 stop29h 55mMultiple Airlines
Mon 10/208:35 pmICN - DEN
1 stop19h 00mMultiple Airlines
Deal found 9/16$870
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:00 amDEN - ICN
1 stop29h 20mMultiple Airlines
Sun 11/238:35 pmICN - DEN
2 stops38h 41mMultiple Airlines
Deal found 9/15$871
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:55 pmDEN - ICN
1 stop26h 15mMultiple Airlines
Sat 11/19:00 pmICN - DEN
1 stop17h 57mMultiple Airlines
Deal found 9/14$875
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:45 amDEN - ICN
1 stop27h 05mMultiple Airlines
Wed 10/229:25 pmICN - DEN
2 stops27h 53mMultiple Airlines
Deal found 9/15$878
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:55 pmDEN - ICN
1 stop25h 50mMultiple Airlines
Tue 10/2112:45 pmICN - DEN
1 stop36h 34mMultiple Airlines
Deal found 9/16$885
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 amDEN - ICN
1 stop30h 50mMultiple Airlines
Tue 11/119:00 pmICN - DEN
1 stop35h 57mMultiple Airlines
Deal found 9/15$886
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:55 pmDEN - ICN
1 stop25h 50mMultiple Airlines
Thu 10/2312:45 pmICN - DEN
1 stop16h 07mMultiple Airlines
Deal found 9/16$888
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:30 amCOS - ICN
2 stops26h 50mUnited Airlines
Sat 10/411:30 amICN - COS
2 stops25h 11mUnited Airlines
Deal found 9/17$1,088

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 September 17, 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

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 10/13

6:50 pm-3:45 pm

1 stop29h 55m

Incheon Intl

Mon 10/20

8:35 pm-12:35 am

1 stop19h 00m

$870

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 11/3

6:30 am-5:10 am

1 stop30h 40m

Incheon Intl

Tue 11/11

1:20 pm-5:50 pm

1 stop20h 30m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/15

10:45 am-4:50 am

1 stop27h 05m

Incheon Intl

Wed 10/22

10:05 pm-10:18 am

1 stop27h 13m

$926

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/22

8:40 am-4:30 am

2 stops28h 50m

Incheon Intl

Tue 10/28

9:15 pm-12:37 pm

3 stops30h 22m

$1,068

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 2/16

5:14 pm-5:40 am

2 stops20h 26m

Incheon Intl

Fri 2/20

12:45 pm-6:20 pm

2 stops21h 35m

$1,088

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sat 11/1

3:35 pm-4:40 am

2 stops22h 05m

Incheon Intl

Sat 11/8

6:00 pm-1:14 pm

2 stops35h 14m

$1,088

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 10/1

10:30 am-4:20 am

2 stops26h 50m

Incheon Intl

Sat 10/4

11:30 am-9:41 pm

2 stops25h 11m

$1,088

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/23

5:44 am-3:30 pm

1 stop18h 46m

Incheon Intl

Tue 10/14

5:45 pm-10:05 pm

1 stop19h 20m

$1,158

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 9/29

5:44 am-3:30 pm

1 stop18h 46m

Incheon Intl

Tue 10/7

5:45 pm-10:05 pm

1 stop19h 20m

$1,158

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 9/21

6:00 am-6:00 am

2 stops57h 00m

Incheon Intl

Sun 9/28

8:30 pm-5:30 pm

2 stops36h 00m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 26 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 $989). Flying from Colorado to Incheon Intl Airport in December is currently the most expensive (average of $1,621). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Incheon Intl Airport as you normally would.

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 18h 46m. 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 $989). Flying from Colorado to Incheon Intl Airport in December is currently the most expensive (average of $1,621). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$189Average$1,496FlexibilityNo cancel feeOn-time69%
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$587Average$1,097FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$895FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,227FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$843Average$1,504FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$855Average$1,193FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,102FlexibilityNo cancel feeOn-time71%

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