Colorado

$459+ 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
jun. 17 — jun. 241
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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 junio 12, 2025.

Round-trip from

$749
(Delta)

One-way from

$459
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$1,555
From Incheon Intl to Colorado
One-way flight from Incheon Intl to Colorado
Highest demand for flights based on searches. 3% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
mié. 6/257:20 pmICN - DEN
1 stop17h 24mDelta
lun. 6/306:05 amDEN - ICN
1 stop20h 15mDelta
Deal found 6/12$749
This Gotogate deal was found by Cheapflights users on 6/10. 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.
mar. 6/247:55 amICN - DEN
2 stops26h 35mMultiple Airlines
mar. 7/87:05 pmDEN - ICN
1 stop30h 00mMultiple Airlines
Deal found 6/10$777
This Air Canada deal was found by Cheapflights users on 6/9. 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.
lun. 9/85:45 pmICN - DEN
1 stop18h 38mAir Canada
mié. 9/177:52 amDEN - ICN
1 stop17h 13mAir Canada
Deal found 6/9$795
This FlightHub deal was found by Cheapflights users on 6/12. 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.
lun. 8/252:40 pmICN - DEN
1 stop16h 29mAsiana Airlines
lun. 8/257:52 pmDEN - ICN
1 stop17h 08mAsiana Airlines
Deal found 6/12$812
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 7/105:25 pmICN - DEN
1 stop21h 19mAmerican Airlines
jue. 7/175:00 amDEN - ICN
1 stop19h 30mAmerican Airlines
Deal found 6/10$827
This United Airlines deal was found by Cheapflights users on 6/12. 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.
lun. 10/204:50 pmICN - DEN
1 stop34h 25mUnited Airlines
dom. 10/2610:05 amDEN - ICN
1 stop38h 10mUnited Airlines
Deal found 6/12$844
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/24:50 pmICN - COS
2 stops19h 43mUnited Airlines
mar. 11/410:34 amCOS - ICN
2 stops27h 06mUnited Airlines
Deal found 6/10$850
This Korean Air deal was found by Cheapflights users on 6/11. 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.
sáb. 7/127:20 pmICN - DEN
1 stop17h 24mKorean Air
dom. 7/276:50 amDEN - ICN
1 stop18h 50mKorean Air
Deal found 6/11$876
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 12/48:35 pmICN - DEN
2 stops30h 44mAlaska Airlines
jue. 12/187:00 amDEN - ICN
1 stop19h 35mAlaska Airlines
Deal found 6/12$962
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 9/298:35 pmICN - DEN
1 stop14h 52mHawaiian Airlines
dom. 10/58:15 amDEN - ICN
1 stop19h 20mHawaiian Airlines
Deal found 6/10$1,155
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/157:20 pmICN - COS
2 stops35h 34mDelta
lun. 7/285:55 pmCOS - ICN
1 stop30h 25mDelta
Deal found 6/10$1,213
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 8/165:25 pmICN - COS
1 stop31h 36mAmerican Airlines
vie. 9/196:02 amCOS - ICN
1 stop18h 28mAmerican Airlines
Deal found 6/11$1,314

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 junio 12, 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

mié. 6/25

7:20 pm-9:44 pm

1 stop17h 24m

Denver Intl

dom. 6/29

4:10 pm-5:20 pm

1 stop34h 10m

$749

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

mar. 6/24

7:55 am-7:30 pm

2 stops26h 35m

Denver Intl

mar. 7/8

7:05 pm-4:05 pm

1 stop30h 00m

$777

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

vie. 9/12

2:40 pm-4:09 pm

1 stop16h 29m

Denver Intl

vie. 9/19

7:52 pm-4:20 am

1 stop17h 28m

$782

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

lun. 9/8

5:45 pm-9:23 pm

1 stop18h 38m

Denver Intl

mié. 9/17

7:52 am-4:05 pm

1 stop17h 13m

$795

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

jue. 7/10

5:25 pm-11:44 pm

1 stop21h 19m

Denver Intl

jue. 7/17

5:00 am-3:30 pm

1 stop19h 30m

$827

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

lun. 10/20

4:50 pm-12:15 pm

1 stop34h 25m

Denver Intl

dom. 10/26

10:05 am-3:15 pm

1 stop38h 10m

$844

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

mar. 9/2

4:50 pm-9:33 pm

2 stops19h 43m

Colorado Springs

mar. 11/4

10:34 am-5:40 am

2 stops27h 06m

$850

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

sáb. 7/12

7:20 pm-9:44 pm

1 stop17h 24m

Denver Intl

dom. 7/27

6:50 am-4:40 pm

1 stop18h 50m

$876

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

jue. 12/4

8:35 pm-11:19 am

2 stops30h 44m

Denver Intl

jue. 12/18

7:00 am-6:35 pm

1 stop19h 35m

$962

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

lun. 9/29

8:35 pm-8:27 pm

1 stop14h 52m

Denver Intl

dom. 10/5

8:15 am-6:35 pm

1 stop19h 20m

$1,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 32 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 junio 12, 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 junio 12, 2025.
Read through reviews of airlines operating flights from Seoul to Colorado, such as Korean Air, Asiana Airlines and Emirates. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
8.0
Very good

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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 Air Canada, with whom users have recently found tickets for as low as $515. However, be on the lookout for offers from Delta and United Airlines, 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.

See more FAQs

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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.

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$685Average$1,286FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$686Average$929FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$700Average$897FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$783Average$1,122FlexibilityNo cancel feeOn-time81%
DeltaCheapest$877Average$1,007FlexibilityNo cancel feeOn-timeN/A

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