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$380+ Cheap flights from Incheon Intl (ICN) to Colorado

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Incheon Intl to Colorado

Keep the following information in mind while searching for Incheon Intl to Colorado flight deals. Data was last updated July 30, 2025.

Round-trip from

$478
(United Airlines)

One-way from

$380
(Trip.com)

Popular in

August

Cheapest in

March

Average price

$899
From Incheon Intl to Colorado
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One-way flight from Incheon Intl to Colorado
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Highest demand for flights based on searches. 8% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 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 Incheon Intl to Colorado

Cheapest flights from Incheon Intl to Colorado
Explore the most affordable flight options available from Incheon Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:50 pmICN - DEN
2 stops34h 33mUnited Airlines
Sun 10/2611:46 amDEN - ICN
1 stop25h 54mUnited Airlines
Deal found 7/30$478
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 pmICN - DEN
1 stop39h 18mAir Canada
Mon 9/229:40 amDEN - ICN
1 stop39h 35mAir Canada
Deal found 7/29$644
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:25 pmICN - DEN
1 stop29h 41mAmerican Airlines
Tue 10/286:51 pmDEN - ICN
1 stop30h 04mAmerican Airlines
Deal found 7/30$653
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:35 pmICN - DEN
1 stop16h 27mAlaska Airlines
Tue 9/309:23 pmDEN - ICN
1 stop30h 12mAlaska Airlines
Deal found 7/29$656
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:35 pmICN - DEN
1 stop35h 46mHawaiian Airlines
Sat 10/46:20 pmDEN - ICN
1 stop33h 15mHawaiian Airlines
Deal found 7/29$658
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 10/207:20 pmICN - DEN
1 stop31h 08mDelta
Mon 10/276:25 amDEN - ICN
1 stop19h 05mDelta
Deal found 7/29$670
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fri 10/246:20 pmICN - DEN
1 stop20h 25mMultiple Airlines
Mon 11/36:00 amDEN - ICN
1 stop22h 30mMultiple Airlines
Deal found 7/30$681
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/314:50 pmICN - COS
2 stops22h 00mUnited Airlines
Fri 9/1912:50 pmCOS - ICN
2 stops24h 30mUnited Airlines
Deal found 7/30$773
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:45 pmICN - DEN
1 stop16h 41mAsiana Airlines
Mon 10/67:10 pmDEN - ICN
1 stop18h 20mAsiana Airlines
Deal found 7/30$778
This Korean Air deal was found by Cheapflights users on 7/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:20 pmICN - DEN
1 stop14h 36mKorean Air
Fri 10/177:10 amDEN - ICN
1 stop17h 10mKorean Air
Deal found 7/30$791
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:40 pmICN - COS
1 stop36h 35mDelta
Sat 9/205:55 pmCOS - ICN
2 stops31h 35mDelta
Deal found 7/30$1,102
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 12/206:50 pmICN - COS
1 stop20h 39mAmerican Airlines
Sat 1/35:07 pmCOS - ICN
1 stop31h 38mAmerican Airlines
Deal found 7/29$2,154

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Colorado 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 30, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Colorado that are best for you.

Fly from

Incheon Intl

Fly to

Colorado

Route

Depart

Return

Price

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/24

4:50 pm-12:23 pm

2 stops34h 33m

Denver Intl

Sun 10/26

11:46 am-4:40 am

1 stop25h 54m

$478

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 9/10

6:00 pm-6:18 pm

1 stop39h 18m

Denver Intl

Mon 9/22

9:40 am-4:15 pm

1 stop39h 35m

$644

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Tue 10/7

5:25 pm-8:06 am

1 stop29h 41m

Denver Intl

Tue 10/28

6:51 pm-3:55 pm

1 stop30h 04m

$653

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 9/15

8:35 pm-10:02 pm

1 stop16h 27m

Denver Intl

Tue 9/30

9:23 pm-6:35 pm

1 stop30h 12m

$656

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 9/26

8:35 pm-5:21 pm

1 stop35h 46m

Denver Intl

Sat 10/4

6:20 pm-6:35 pm

1 stop33h 15m

$658

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 10/20

6:40 pm-7:30 pm

1 stop15h 50m

Denver Intl

Mon 10/27

6:23 pm-4:30 pm

2 stops31h 07m

$670

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/24

6:20 pm-11:45 pm

1 stop20h 25m

Denver Intl

Mon 11/3

6:00 am-8:30 pm

1 stop22h 30m

$681

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Sun 8/31

4:50 pm-11:50 pm

2 stops22h 00m

Colorado Springs

Fri 9/19

12:50 pm-4:20 am

2 stops24h 30m

$773

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 9/25

12:45 pm-2:26 pm

1 stop16h 41m

Denver Intl

Mon 10/6

7:10 pm-4:30 am

1 stop18h 20m

$778

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 10/9

7:20 pm-6:56 pm

1 stop14h 36m

Denver Intl

Fri 10/17

7:10 am-3:20 pm

1 stop17h 10m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

Have a flexible travel schedule? Discover the best time to fly to Colorado from Incheon Intl 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 Incheon Intl Airport to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Colorado (average of $197). Flying from Incheon Intl Airport to Colorado in March is currently the most expensive (average of $278). 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 ICN to CO?

Find hourly flight availability from Incheon Intl to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Incheon Intl Airport to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Asiana Airlines from Incheon Intl Airport to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
467 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,980 reviews
EVA Air
8.4
Very good
1,222 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $492. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Incheon Intl Airport to Colorado for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to Colorado 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 Incheon Intl Airport to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Colorado (average of $197). Flying from Incheon Intl Airport to Colorado in March is currently the most expensive (average of $278). 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.

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Alternative routes for Incheon Intl to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Incheon Intl to Colorado

Discover the top 6 airlines that operate flights from Incheon Intl to Colorado. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$686Average$909FlexibilityNo cancel feeOn-time67%
DeltaCheapest$755Average$1,007FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$756Average$1,203FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$757Average$897FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$783Average$1,046FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$800Average$1,070FlexibilityNo cancel feeOn-time76%

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