HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$442+ Cheap flights from Colorado to South Korea

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to South Korea with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to South Korea

Keep the following information in mind while searching for Colorado to South Korea flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$776
(CrystalTravel)

One-way from

$442
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,201
Provider with most accurate pricing for Denver Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Seoul (SEL) flights.
Search Deals
From Colorado to South Korea
Search Deals
One-way flight from Colorado to South Korea
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($503 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Colorado to South Korea

Cheapest flights from Colorado to South Korea
Explore the most affordable flight options available from Colorado to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/23. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:15 pmDEN - ICN
1 stop18h 45mKorean Air
Tue 9/168:25 pmICN - DEN
1 stop17h 33mKorean Air
Deal found 4/23$776
This WhyPayMore deal was found by Cheapflights users on 4/23. 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.
Fri 5/26:30 amDEN - ICN
1 stop19h 10mMultiple Airlines
Sat 5/244:40 pmICN - DEN
1 stop19h 58mMultiple Airlines
Deal found 4/23$778
This FlightHub deal was found by Cheapflights users on 4/23. 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 8/287:50 pmDEN - ICN
1 stop30h 50mTurkish Airlines
Wed 10/2912:10 amICN - DEN
1 stop33h 30mTurkish Airlines
Deal found 4/23$896
This WestJet deal was found by Cheapflights users on 4/22. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:40 pmDEN - ICN
1 stop32h 05mWestJet
Tue 9/168:45 pmICN - DEN
2 stops33h 24mWestJet
Deal found 4/22$1,050
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Sat 11/17:05 pmDEN - ICN
2 stops31h 00mAir Canada
Sat 11/226:50 pmICN - DEN
2 stops30h 00mAir Canada
Deal found 4/23$1,201
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/238:19 pmDEN - ICN
2 stops49h 21mCathay Pacific
Tue 5/273:10 pmICN - DEN
2 stops36h 03mCathay Pacific
Deal found 4/23$1,225
This Etihad Airways deal was found by Cheapflights users on 4/22. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:30 amDEN - ICN
2 stops67h 35mEtihad Airways
Mon 9/151:35 amICN - DEN
2 stops35h 38mEtihad Airways
Deal found 4/22$1,328
This KAYAK deal was found by Cheapflights users on 4/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:28 pmDEN - ICN
2 stops42h 32mPhilippine Airlines
Wed 9/178:00 amICN - DEN
2 stops50h 58mPhilippine Airlines
Deal found 4/22$1,392
This Priceline deal was found by Cheapflights users on 4/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:40 amDEN - ICN
2 stops41h 45mChina Eastern
Sun 5/182:30 pmICN - DEN
2 stops42h 49mChina Eastern
Deal found 4/23$1,438
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:51 amDEN - PUS
2 stops40h 59mPhilippine Airlines
Sat 11/18:45 pmPUS - DEN
2 stops38h 01mPhilippine Airlines
Deal found 4/23$1,464
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:30 amDEN - ICN
3 stops43h 50mSingapore Airlines
Tue 10/214:45 pmICN - DEN
3 stops45h 14mSingapore Airlines
Deal found 4/23$1,510
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:35 pmDEN - GMP
2 stops38h 00mANA
Wed 9/2412:40 pmGMP - DEN
2 stops25h 00mANA
Deal found 4/23$1,563

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to South Korea 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 April 24, 2025.
Use the filters below to find and compare flights from Colorado to South Korea that are best for you.

Fly from

Colorado

Fly to

South Korea

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/9

7:15 pm-5:00 am

1 stop18h 45m

Incheon Intl

Tue 9/16

8:25 pm-10:58 pm

1 stop17h 33m

$776

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 9/6

7:15 pm-5:00 am

1 stop18h 45m

Incheon Intl

Tue 9/16

8:25 pm-10:58 pm

1 stop17h 33m

$842

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 8/28

7:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

Wed 10/29

12:10 am-6:40 pm

1 stop33h 30m

$896

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 9/7

7:40 pm-6:45 pm

1 stop32h 05m

Incheon Intl

Tue 9/16

8:45 pm-3:09 pm

2 stops33h 24m

$1,050

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/9

7:52 am-4:05 pm

1 stop17h 13m

Incheon Intl

Tue 9/16

5:45 pm-8:42 am

2 stops29h 57m

$1,121

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 9/4

11:30 am-10:05 pm

2 stops67h 35m

Incheon Intl

Mon 9/15

1:35 am-10:13 pm

2 stops35h 38m

$1,328

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 9/5

8:28 pm-6:00 am

2 stops42h 32m

Incheon Intl

Mon 9/15

8:30 pm-7:58 pm

2 stops38h 28m

$1,392

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 5/11

6:40 am-3:25 pm

2 stops41h 45m

Incheon Intl

Sun 5/18

2:30 pm-6:19 pm

2 stops42h 49m

$1,438

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/16

11:30 am-10:20 pm

3 stops43h 50m

Incheon Intl

Tue 10/21

4:45 pm-10:59 pm

3 stops45h 14m

$1,510

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/1

10:42 am-10:30 am

2 stops32h 48m

Incheon Intl

Tue 10/14

1:20 am-7:57 pm

2 stops33h 37m

$1,576

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Colorado to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

What is the cheapest month to book a flight from Colorado to South Korea?

Currently, February is the cheapest month in which you can book a flight from Colorado to South Korea (average of $1,001). Flying from Colorado to South Korea in June is currently the most expensive (average of $1,650). 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 KR?

Find hourly flight availability from Colorado to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to South Korea as you normally would.

Rainfall in South Korea by month

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

In terms of precipitation, rainfall in South Korea 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 South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, 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 South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated April 24, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Colorado to South Korea. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,453 reviews
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
853 reviews
EVA Air
8.4
Very good
1,180 reviews

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Colorado to South Korea. 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 South Korea one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $527. Users have also found prices from $580 and $629 on China Airlines and Air Canada, respectively.

  • Can I find deals for flights from Colorado to South Korea that include hotel bookings?

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

  • How can I find direct flights from Colorado to South Korea?

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

  • Can I find deals for business class flights from Colorado to South Korea?

    Yes. Cheapflights offers flight deals from Colorado to South Korea 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 South Korea?

    Currently, February is the cheapest month in which you can book a flight from Colorado to South Korea (average of $1,001). Flying from Colorado to South Korea in June is currently the most expensive (average of $1,650). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Seattle to Narita flights
Los Angeles to Manila flights
John F Kennedy Intl to Narita flights
Seattle to Haneda flights
San Francisco to Manila flights
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
Los Angeles to Incheon Intl flights
Dulles Intl to Haneda flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
Hobby to Haneda flights
Ontario to Narita flights
O'Hare Intl to Narita flights
Los Angeles to Suvarnabhumi flights
John F Kennedy Intl to Incheon Intl flights
O'Hare Intl to Haneda flights
Boston to Narita flights
San Francisco to New Delhi flights
Atlanta to Haneda flights
Seattle to Suvarnabhumi flights
Newark to New Delhi flights
John F Kennedy Intl to Hong Kong flights
John F Kennedy Intl to New Delhi flights
John F Kennedy Intl to Hongqiao Intl flights
Hobby to Narita flights
Ontario to Haneda flights
Dulles Intl to Narita flights
Seattle to Incheon Intl flights
San Francisco to Hong Kong flights
Dallas/Fort Worth to Suvarnabhumi flights
Burbank to Narita flights
George Bush Intcntl to Haneda flights
San Diego to Narita flights
John F Kennedy Intl to Mumbai flights
John F Kennedy Intl to Manila flights
Denver to Narita flights
Dallas/Fort Worth to Hyderabad flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
Los Angeles to Ho Chi Minh City flights
Atlanta to Narita flights
San Francisco to Suvarnabhumi flights

Top 9 airlines flying from Colorado to South Korea

Discover the top 9 airlines that operate flights from Colorado to South Korea. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$660Average$1,454FlexibilityNo cancel feeOn-time69%
WestJetCheapest$748Average$1,171FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$904FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$856Average$1,292FlexibilityNo cancel feeOn-time67%
DeltaCheapest$876Average$1,350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$877Average$1,372FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$900Average$1,719FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,103Average$1,247FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.