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Incheon Intl

$406+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$817
(Kiwi.com)

One-way from

$406
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,533
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. 2% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/1010:55 pmDEN - ICN
2 stops31h 40mMultiple Airlines
Thu 9/1812:45 pmICN - DEN
1 stop19h 51mMultiple Airlines
Deal found 6/30$817
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/27:20 amDEN - ICN
1 stop17h 10mAmerican Airlines
Tue 9/95:25 pmICN - DEN
1 stop19h 44mAmerican Airlines
Deal found 7/3$857
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 9/26:27 amCOS - ICN
1 stop18h 03mAmerican Airlines
Tue 9/95:25 pmICN - COS
1 stop18h 08mAmerican Airlines
Deal found 7/2$857
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 10/27:30 amDEN - ICN
1 stop29h 30mDelta
Thu 10/166:40 pmICN - DEN
1 stop16h 20mDelta
Deal found 7/2$867
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:45 amDEN - ICN
2 stops43h 40mChina Eastern
Tue 9/96:25 pmICN - DEN
2 stops38h 56mChina Eastern
Deal found 7/2$936
This lol.travel deal was found by Cheapflights users on 7/2. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:50 pmDEN - ICN
1 stop30h 50mTurkish Airlines
Mon 9/111:20 pmICN - DEN
1 stop33h 35mTurkish Airlines
Deal found 7/2$945
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:21 pmDEN - ICN
2 stops29h 44mAir Canada
Mon 12/226:55 pmICN - DEN
2 stops29h 55mAir Canada
Deal found 7/3$1,013
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:35 pmCOS - ICN
2 stops21h 45mUnited Airlines
Fri 8/2211:30 amICN - COS
2 stops27h 20mUnited Airlines
Deal found 7/1$1,088
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:24 pmCOS - ICN
2 stops32h 41mQatar Airways
Mon 9/81:20 amICN - COS
2 stops34h 13mQatar Airways
Deal found 7/2$1,724
This Qatar Airways deal was found by Cheapflights users on 7/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:54 amCOS - ICN
2 stops39h 11mMultiple Airlines
Sat 8/231:20 amICN - COS
2 stops37h 24mMultiple Airlines
Deal found 7/3$1,934
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:00 amCOS - ICN
1 stop16h 20mDelta
Fri 8/227:40 pmICN - COS
1 stop17h 38mDelta
Deal found 7/1$2,011

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 July 3, 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 9/10

10:55 pm-9:35 pm

2 stops31h 40m

Incheon Intl

Thu 9/18

12:45 pm-5:36 pm

1 stop19h 51m

$817

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/2

7:20 am-3:30 pm

1 stop17h 10m

Incheon Intl

Tue 9/9

5:25 pm-10:09 pm

1 stop19h 44m

$857

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 9/2

6:27 am-3:30 pm

1 stop18h 03m

Incheon Intl

Tue 9/9

5:25 pm-8:33 pm

1 stop18h 08m

$857

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/2

7:30 am-4:00 am

1 stop29h 30m

Incheon Intl

Thu 10/16

6:40 pm-8:00 pm

1 stop16h 20m

$867

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/2

6:45 am-5:25 pm

2 stops43h 40m

Incheon Intl

Tue 9/9

6:25 pm-6:21 pm

2 stops38h 56m

$936

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 8/17

7:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

Mon 9/1

11:20 pm-5:55 pm

1 stop33h 35m

$945

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/1

7:21 pm-4:05 pm

2 stops29h 44m

Incheon Intl

Mon 12/22

6:55 pm-8:50 am

2 stops29h 55m

$1,013

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 8/15

3:35 pm-4:20 am

2 stops21h 45m

Incheon Intl

Fri 8/22

11:30 am-11:50 pm

2 stops27h 20m

$1,088

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 9/2

5:24 pm-5:05 pm

2 stops32h 41m

Incheon Intl

Mon 9/8

1:20 am-8:33 pm

2 stops34h 13m

$1,724

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 8/17

10:54 am-5:05 pm

2 stops39h 11m

Incheon Intl

Sat 8/23

1:20 am-11:44 pm

2 stops37h 24m

$1,934

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results
1
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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 $998). Flying from Colorado to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 July 3, 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.

How much does it cost to fly round-trip from Colorado to Incheon Intl Airport?

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Delta, Qatar Airways, and United Airlines from Colorado to Incheon Intl Airport 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.
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qatar Airways
7.4
Good
3,594 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,895 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $998). Flying from Colorado to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Alternative routes for Colorado to Incheon Intl

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Top 9 airlines flying from Colorado to Incheon Intl

Discover the top 9 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$237Average$1,418FlexibilityNo cancel feeOn-time69%
DeltaCheapest$587Average$1,232FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$897FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,224FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$843Average$1,541FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$856Average$1,246FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,137FlexibilityNo cancel feeOn-time71%

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