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Incheon Intl

$431+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$810
(Kiwi.com)

One-way from

$431
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,614
Provider with most accurate pricing for Denver Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Seoul (SEL) flights.
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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. 26% potential increase in price ($503 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/2310:16 pmDEN - ICN
1 stop31h 14mMultiple Airlines
Mon 6/26:20 pmICN - DEN
1 stop30h 52mMultiple Airlines
Deal found 4/30$810
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:35 pmDEN - ICN
1 stop30h 45mTurkish Airlines
Mon 11/310:45 amICN - DEN
1 stop46h 55mTurkish Airlines
Deal found 4/30$896
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:05 amDEN - ICN
2 stops37h 50mChina Eastern
Thu 5/156:25 pmICN - DEN
2 stops38h 54mChina Eastern
Deal found 4/30$923
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:10 pmCOS - ICN
2 stops20h 10mUnited Airlines
Sat 11/2212:45 pmICN - COS
2 stops19h 58mUnited Airlines
Deal found 4/29$1,410
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 9/58:00 amCOS - ICN
1 stop16h 20mDelta
Sat 11/228:05 pmICN - COS
2 stops18h 24mDelta
Deal found 4/29$1,530
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:43 pmCOS - ICN
2 stops33h 22mQatar Airways
Tue 5/201:20 amICN - COS
2 stops33h 50mQatar Airways
Deal found 4/30$1,584
This Korean Air deal was found by Cheapflights users on 4/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:27 amCOS - ICN
1 stop19h 13mMultiple Airlines
Sat 11/2210:20 amICN - COS
1 stop21h 21mMultiple Airlines
Deal found 4/29$1,610

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 May 1, 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

Fri 5/23

10:16 pm-8:30 pm

1 stop31h 14m

Incheon Intl

Mon 6/2

6:20 pm-10:12 am

1 stop30h 52m

$810

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 9/25

7:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

Sat 10/18

11:20 pm-5:55 pm

1 stop33h 35m

$896

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 5/21

6:40 am-3:20 pm

2 stops41h 40m

Incheon Intl

Wed 6/11

8:55 am-6:19 pm

2 stops24h 24m

$1,105

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/2

7:52 am-4:05 pm

1 stop17h 13m

Incheon Intl

Tue 9/9

5:45 pm-7:23 pm

1 stop16h 38m

$1,121

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 9/5

5:10 pm-4:20 am

2 stops20h 10m

Incheon Intl

Sat 11/22

12:45 pm-4:43 pm

2 stops19h 58m

$1,410

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 9/5

8:00 am-3:20 pm

1 stop16h 20m

Incheon Intl

Sat 11/22

8:05 pm-10:29 pm

2 stops18h 24m

$1,530

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 9/5

6:27 am-4:40 pm

1 stop19h 13m

Incheon Intl

Sat 11/22

10:20 am-3:41 pm

1 stop21h 21m

$1,610

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 9/5

1:06 pm-5:05 pm

2 stops36h 59m

Incheon Intl

Fri 11/21

12:20 am-8:09 pm

2 stops35h 49m

$1,728

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 8/10

10:29 pm-8:30 pm

1 stop31h 01m

$431

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 8/7

7:40 pm-6:45 pm

1 stop32h 05m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 17 results
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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 $1,001). 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 May 1, 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.

Rainfall in Incheon Intl by month

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

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.

Temperature in Incheon Intl by month

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

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).

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 May 1, 2025.
See what other customers who have flown with EVA Air, Korean Air and Singapore Airlines from Colorado to Seoul have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,068 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Singapore Airlines
8.1
Very good
1,292 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Delta
8.0
Very good
7,934 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Qatar Airways
7.4
Good
3,563 reviews
EVA Air
8.4
Very good
1,186 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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.

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

    $532 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on China Eastern and Air Canada, with prices starting from $556 and $629, respectively.

  • 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 $1,001). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Gimpo Intl flights
O'Hare Intl to Gimpo Intl flights
Minneapolis to Incheon Intl flights
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Dallas/Fort Worth to Gimpo Intl flights
Santa Ana to Incheon Intl flights
Reagan-National to Gimpo Intl flights
LaGuardia to Gimpo Intl flights
Las Vegas to Incheon Intl flights
Philadelphia to Incheon Intl flights
George Bush Intcntl to Incheon Intl flights
Portland to Incheon Intl flights
San Jose to Gimpo Intl flights
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Midway to Incheon Intl flights
Boston to Gimpo Intl flights
Detroit to Incheon Intl flights
Baltimore to Gimpo Intl flights
Salt Lake City to Incheon Intl flights
Cleveland to Incheon Intl flights
Atlanta to Gimpo Intl flights
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Denver to Incheon Intl flights

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$660Average$1,459FlexibilityNo cancel feeOn-time69%
WestJetCheapest$748Average$1,171FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$901FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$853Average$1,631FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$856Average$1,293FlexibilityNo cancel feeOn-time67%
DeltaCheapest$876Average$1,350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$877Average$1,372FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$1,088Average$1,242FlexibilityNo cancel feeOn-time76%

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