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Incheon Intl

$331+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:05 amDEN - ICN
1 stop17h 15mDelta
Tue 12/238:05 pmICN - DEN
1 stop19h 18mDelta
Deal found 12/4$906
This Delta deal was found by Cheapflights users on 12/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:45 amDEN - ICN
1 stop17h 45mDelta
Sun 12/218:05 pmICN - DEN
2 stops18h 51mDelta
Deal found 12/4$910
This Delta deal was found by Cheapflights users on 12/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:54 pmDEN - ICN
1 stop32h 26mDelta
Wed 12/246:00 pmICN - DEN
1 stop19h 45mDelta
Deal found 12/4$911
This Delta deal was found by Cheapflights users on 12/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:54 pmDEN - ICN
1 stop32h 26mDelta
Thu 12/258:05 pmICN - DEN
2 stops30h 55mDelta
Deal found 12/4$916
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/107:45 pmDEN - ICN
1 stop28h 45mDelta
Tue 12/238:05 pmICN - DEN
2 stops18h 51mDelta
Deal found 12/3$917
This Delta deal was found by Cheapflights users on 12/3. 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.
Wed 12/36:22 pmDEN - ICN
2 stops30h 08mDelta
Mon 12/228:05 pmICN - DEN
2 stops18h 51mDelta
Deal found 12/3$920
This FlightHub deal was found by Cheapflights users on 12/1. 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 12/47:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Wed 12/1010:45 amICN - DEN
1 stop46h 50mTurkish Airlines
Deal found 12/1$923
This Kiwi.com deal was found by Cheapflights users on 12/1. 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.
Thu 12/46:00 amDEN - ICN
2 stops42h 20mMultiple Airlines
Wed 12/1010:20 pmICN - DEN
1 stop27h 52mMultiple Airlines
Deal found 12/1$937
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/56:00 amDEN - ICN
1 stop31h 10mMultiple Airlines
Sun 12/79:20 pmICN - DEN
2 stops42h 57mMultiple Airlines
Deal found 12/1$977
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/89:42 amDEN - ICN
1 stop27h 58mMultiple Airlines
Wed 12/241:40 pmICN - DEN
2 stops45h 51mMultiple Airlines
Deal found 12/3$1,020
This United Airlines deal was found by Cheapflights users on 12/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amCOS - ICN
2 stops18h 15mUnited Airlines
Thu 1/112:45 pmICN - COS
2 stops23h 01mUnited Airlines
Deal found 12/4$1,719
This Delta deal was found by Cheapflights users on 12/3. 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.
Fri 12/126:00 pmCOS - ICN
1 stop30h 20mDelta
Thu 1/17:30 pmICN - COS
2 stops37h 49mDelta
Deal found 12/3$3,171

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$743
(Gurufare)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,340
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
Search Deals
One-way flight from Colorado to Incheon Intl
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Highest demand for flights based on searches. 17% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 4, 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

Wed 1/14

6:29 am-4:30 pm

1 stop18h 01m

Incheon Intl

Sun 1/25

7:30 pm-8:05 pm

1 stop16h 35m

$906

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 1/22

6:29 am-4:30 pm

1 stop18h 01m

Incheon Intl

Tue 1/27

7:40 pm-8:07 pm

1 stop16h 27m

$906

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 2/24

6:40 am-4:30 pm

1 stop17h 50m

Incheon Intl

Tue 3/10

7:40 pm-8:00 pm

1 stop15h 20m

$906

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 2/16

3:59 pm-4:30 pm

2 stops32h 31m

Incheon Intl

Wed 2/25

8:05 pm-9:24 am

2 stops29h 19m

$910

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 2/3

6:23 pm-4:30 pm

2 stops30h 07m

Incheon Intl

Fri 2/13

8:05 pm-10:27 pm

2 stops18h 22m

$910

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 1/18

6:23 pm-4:30 pm

2 stops30h 07m

Incheon Intl

Sun 1/25

8:05 pm-9:38 am

2 stops29h 33m

$910

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 1/23

11:33 am-5:40 am

2 stops26h 07m

Incheon Intl

Tue 1/27

6:00 pm-8:05 pm

2 stops18h 05m

$920

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 1/13

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Mon 2/9

12:10 am-5:35 pm

1 stop33h 25m

$979

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 2/22

1:40 pm-5:40 am

2 stops24h 00m

Incheon Intl

Thu 2/26

12:45 pm-9:04 pm

2 stops24h 19m

$1,004

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 1/24

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Wed 1/28

10:45 am-5:35 pm

1 stop46h 50m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 24 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 $1,458). 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 December 4, 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 18h 01m. 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.

  • What are the cheapest airlines to fly from Colorado to Incheon Intl Airport one-way?

    $469 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and Asiana Airlines, with prices starting from $551 and $553, respectively.

  • 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 $1,458). 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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Newark to Gimpo Intl flights
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Dallas/Fort Worth to Gimpo Intl flights
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O'Hare Intl to Gimpo Intl flights
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Philadelphia to Incheon Intl flights
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Boston to Gimpo Intl flights
Baltimore to Gimpo Intl flights
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LaGuardia to Gimpo Intl flights
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Reagan-National to Gimpo Intl flights
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$187Average$1,096FlexibilityNo cancel feeOn-time69%
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$587Average$1,123FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$897FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,251FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$841Average$1,568FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$877Average$1,102FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$971Average$1,226FlexibilityNo cancel feeOn-time67%

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