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$329+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — DEN
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Incheon Intl to Colorado

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Colorado (USCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$651
(Trip.com)

One-way from

$329
(Kiwi.com)
From Incheon Intl to Colorado
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One-way flight from Incheon Intl to Colorado
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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 January 16, 2025.

This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:20 pmICN - DEN
1 stop27h 24mMultiple Airlines
Wed 2/2610:47 pmDEN - ICN
1 stop25h 23mMultiple Airlines
Deal found 1/16$651
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/306:50 pmICN - DEN
1 stop21h 06mAmerican Airlines
Wed 2/122:27 pmDEN - ICN
2 stops34h 18mAmerican Airlines
Deal found 1/16$695
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/3012:45 pmICN - DEN
2 stops36h 14mUnited Airlines
Fri 1/311:34 pmDEN - ICN
1 stop24h 06mUnited Airlines
Deal found 1/16$773
This WhyPayMore deal was found by Cheapflights users on 1/15. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/104:55 pmICN - DEN
1 stop15h 25mAir Canada
Thu 3/137:35 pmDEN - ICN
1 stop28h 50mAir Canada
Deal found 1/15$838
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/38:05 pmICN - DEN
1 stop19h 37mDelta
Sat 3/296:30 pmDEN - ICN
1 stop31h 00mDelta
Deal found 1/16$939
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/512:45 pmICN - COS
2 stops22h 08mUnited Airlines
Wed 2/126:00 amCOS - ICN
2 stops18h 15mUnited Airlines
Deal found 1/16$1,066
This Justfly.com deal was found by Cheapflights users on 1/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/14:40 pmICN - DEN
1 stop17h 20mKorean Air
Wed 5/1412:59 amDEN - ICN
1 stop22h 11mKorean Air
Deal found 1/16$1,122
This Singapore Airlines deal was found by Cheapflights users on 1/16. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:50 amICN - DEN
2 stops30h 45mSingapore Airlines
Sat 11/87:58 amDEN - ICN
3 stops33h 52mSingapore Airlines
Deal found 1/16$1,374
This Gotogate deal was found by Cheapflights users on 1/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:45 pmICN - DEN
1 stop29h 42mWestJet
Fri 8/157:40 pmDEN - ICN
1 stop32h 05mWestJet
Deal found 1/16$1,418
This WhyPayMore deal was found by Cheapflights users on 1/16. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/412:20 amICN - DEN
2 stops37h 18mQatar Airways
Wed 2/2610:50 amDEN - ICN
2 stops31h 10mQatar Airways
Deal found 1/16$1,440
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/302:30 pmICN - COS
2 stops20h 41mDelta
Mon 2/36:00 amCOS - ICN
1 stop19h 45mDelta
Deal found 1/16$1,478
This Mytrip deal was found by Cheapflights users on 1/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/412:20 amICN - COS
2 stops35h 50mQatar Airways
Wed 2/1212:40 pmCOS - ICN
2 stops29h 20mQatar Airways
Deal found 1/16$1,777

Find flights from Incheon Intl to Colorado within your budget

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 January 16, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Tue 2/18

1:20 pm-12:44 am

1 stop27h 24m

Denver Intl

Wed 2/26

10:47 pm-4:10 pm

1 stop25h 23m

$651

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 1/30

6:50 pm-11:56 pm

1 stop21h 06m

Denver Intl

Wed 2/12

2:27 pm-4:45 pm

2 stops34h 18m

$695

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 1/30

12:45 pm-8:59 am

2 stops36h 14m

Denver Intl

Fri 1/31

1:34 pm-5:40 am

1 stop24h 06m

$773

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 3/10

4:55 pm-5:20 pm

1 stop15h 25m

Denver Intl

Thu 3/13

7:35 pm-3:25 pm

1 stop28h 50m

$838

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/3

8:05 pm-7:21 pm

2 stops39h 16m

Denver Intl

Sat 3/29

6:30 pm-4:30 pm

1 stop31h 00m

$939

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 2/5

12:45 pm-6:53 pm

2 stops22h 08m

Colorado Springs

Wed 2/12

6:00 am-4:15 pm

2 stops18h 15m

$1,066

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 5/1

4:40 pm-7:00 pm

1 stop17h 20m

Denver Intl

Wed 5/14

12:59 am-2:10 pm

1 stop22h 11m

$1,122

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Tue 2/4

12:20 am-9:38 pm

2 stops37h 18m

Denver Intl

Wed 2/26

10:50 am-10:00 am

2 stops31h 10m

$1,440

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Thu 1/30

2:30 pm-7:11 pm

2 stops20h 41m

Colorado Springs

Mon 2/3

6:00 am-5:45 pm

1 stop19h 45m

$1,478

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/3

12:10 am-5:40 pm

1 stop33h 30m

Denver Intl

Tue 2/11

7:35 pm-6:20 pm

1 stop30h 45m

$1,485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 23 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.

Travel insights for flights from Incheon Intl to Colorado

Get recent, data-driven insights about flights from Incheon Intl to Colorado including ideal travel times, pricing trends, and more.

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 January 16, 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.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 January 16, 2025.
Read through reviews of airlines operating flights from Seoul to Colorado, such as American Airlines, Qatar Airways and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,327 reviews
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,511 reviews
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,752 reviews
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

United Airlines
7.4
Good
8,965 reviews
Korean Air
8.5
Very good
1,034 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.5

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 American Airlines, with whom users have recently found tickets for as low as $466. However, be on the lookout for offers from Air Canada and WestJet, 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 5 airlines flying from Incheon Intl to Colorado

Discover the top 5 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$700Average$897FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$710Average$1,233FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$847Average$980FlexibilityNo cancel feeOn-time67%
DeltaCheapest$877Average$1,376FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,067Average$1,208FlexibilityNo cancel feeOn-time81%
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