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.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What are the most popular airlines that fly from Colorado to Incheon Intl Airport?

When booking a flight from Colorado to Incheon Intl Airport, you may want to consider flying on American Airlines, Air Canada or Delta as they are the most popular for this route.

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.

$371+ Cheap Flights from Colorado to Incheon Intl Airport

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Cheap flight deals from Colorado to Incheon Intl

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

Search Deals

One-way flight from Colorado to Incheon Intl

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 September 17, 2025.

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

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

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

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

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

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

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

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

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

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

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

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

Best flights from Colorado to Incheon Intl
Discover carefully curated flight deals from Colorado to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

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

Mon 2/165:14 pmCOS - ICN

2 stops20h 26mUnited Airlines

Fri 2/2012:45 pmICN - COS

2 stops21h 35mUnited Airlines

Deal found 9/14

$1,088

Tue 9/235:44 amDEN - ICN

1 stop18h 46mAmerican Airlines

Tue 10/145:45 pmICN - DEN

1 stop19h 20mAmerican Airlines

Deal found 9/15

$1,158

Sun 9/216:00 amDEN - ICN

2 stops57h 00mPhilippine Airlines

Sun 9/288:30 pmICN - DEN

2 stops36h 00mPhilippine Airlines

Deal found 9/15

$1,171

Sat 11/112:09 pmCOS - ICN

2 stops38h 06mQatar Airways

Fri 11/712:20 amICN - COS

2 stops60h 07mQatar Airways

Deal found 9/17

$1,693

Mon 11/36:30 amDEN - ICN

1 stop30h 40mMultiple Airlines

Tue 11/111:20 pmICN - DEN

1 stop20h 30mMultiple Airlines

Deal found 9/16

$918

Wed 10/1510:45 amDEN - ICN

1 stop27h 05mMultiple Airlines

Wed 10/2210:05 pmICN - DEN

1 stop27h 13mMultiple Airlines

Deal found 9/15

$926

Sat 11/13:35 pmCOS - ICN

2 stops22h 05mUnited Airlines

Sat 11/86:00 pmICN - COS

2 stops35h 14mUnited Airlines

Deal found 9/17

$1,088

Mon 9/295:44 amDEN - ICN

1 stop18h 46mAmerican Airlines

Tue 10/75:45 pmICN - DEN

1 stop19h 20mAmerican Airlines

Deal found 9/14

$1,158

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

Mon 9/296:00 amDEN - ICN

2 stops46h 20mPhilippine Airlines

Tue 10/78:30 pmICN - DEN

2 stops53h 58mPhilippine Airlines

Deal found 9/14

$1,219

Wed 10/228:40 amDEN - ICN

2 stops28h 50mMultiple Airlines

Tue 10/289:15 pmICN - DEN

3 stops30h 22mMultiple Airlines

Deal found 9/16

$1,068

Mon 2/166:17 amCOS - ICN

1 stop18h 28mAmerican Airlines

Fri 2/206:50 pmICN - COS

1 stop20h 41mAmerican Airlines

Deal found 9/14

$1,371

Fri 1/28:50 pmCOS - ICN

2 stops27h 25mUnited Airlines

Fri 1/166:00 pmICN - COS

2 stops34h 22mUnited Airlines

Deal found 9/16

$1,255

Wed 10/15:16 pmCOS - ICN

2 stops32h 49mQatar Airways

Fri 10/31:20 amICN - COS

2 stops51h 23mQatar Airways

Deal found 9/17

$1,987

Wed 10/16:02 amCOS - ICN

1 stop18h 28mAmerican Airlines

Sat 10/45:25 pmICN - COS

1 stop18h 08mAmerican Airlines

Deal found 9/17

$1,664

Last-minute flights from Colorado to Incheon Intl
Discover last-minute flight deals from Colorado to Incheon Intl. Data last updated September 17, 2025 and is based on user searches.

Thu 9/1810:55 pmDEN - ICN

1 stop25h 50mMultiple Airlines

Sat 9/208:35 pmICN - DEN

2 stops28h 09mMultiple Airlines

Deal found 9/14

$915

Tue 9/236:30 amDEN - ICN

2 stops41h 20mChina Eastern

Tue 10/144:20 pmICN - DEN

2 stops41h 04mChina Eastern

Deal found 9/15

$918

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

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

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

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

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

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

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

Tue 10/288:20 pmDEN - ICN

1 stop31h 00mTurkish Airlines

Mon 11/1712:10 amICN - DEN

1 stop33h 25mTurkish Airlines

Deal found 9/16

$922

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

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

One-way flights from Colorado to Incheon Intl
Search for one-way flight options from Colorado to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Tue 11/410:55 pmDEN - ICN

1 stop25h 15mMultiple Airlines

Deal found 9/14

$371

Tue 10/2810:55 pmDEN - ICN

1 stop26h 25mMultiple Airlines

Deal found 9/16

$399

Thu 10/237:00 amDEN - ICN

2 stops41h 45mMultiple Airlines

Deal found 9/14

$401

Fri 9/267:40 amDEN - ICN

2 stops30h 10mMultiple Airlines

Deal found 9/16

$404

Mon 9/293:05 pmDEN - ICN

3 stops56h 30mMultiple Airlines

Deal found 9/16

$407

Sat 11/110:55 pmDEN - ICN

1 stop26h 25mMultiple Airlines

Deal found 9/16

$409

Mon 10/276:00 amDEN - ICN

1 stop19h 20mMultiple Airlines

Deal found 9/16

$410

Wed 9/2410:29 pmDEN - ICN

2 stops50h 16mMultiple Airlines

Deal found 9/16

$411

Tue 9/308:41 pmDEN - ICN

2 stops58h 39mMultiple Airlines

Deal found 9/16

$412

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Incheon Intl Airport that are best for you.

Fly from

Fly to

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

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?

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

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

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Top 10 airlines flying from Colorado to Incheon Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$54	Average$129	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$189	Average$1,496	FlexibilityNo cancel fee	On-time69%
AIR PREMIA	Cheapest$585	Average$615	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$587	Average$1,097	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$748	Average$1,213	FlexibilityNo cancel fee	On-time60%
Turkish Airlines	Cheapest$755	Average$895	FlexibilityNo cancel fee	On-time77%
Asiana Airlines	Cheapest$757	Average$1,227	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$843	Average$1,504	FlexibilityNo cancel fee	On-time81%
Air Canada	Cheapest$855	Average$1,193	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$877	Average$1,102	FlexibilityNo cancel fee	On-time71%

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$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.

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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

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Incheon Intl

Cheapest flights from Colorado to Incheon IntlExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Incheon Intl Airport that are best for you.

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.

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?

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.

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?

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

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

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

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

Traveling to a place near Incheon Intl Airport?

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Alternative routes for Colorado to Incheon Intl

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Top 10 airlines flying from Colorado to Incheon Intl

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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.