South Korea

$384+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Aug 7 — Aug 141
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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 August 2, 2025.

Round-trip from

$886
(Kiwi.com)

One-way from

$384
(Mytrip)

Popular in

January

Cheapest in

October

Average price

$1,155
From Colorado to South Korea
One-way flight from Colorado to South Korea
Highest demand for flights based on searches. 5% potential increase in price ($72 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 August 2025

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 August 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/237:10 pmDEN - ICN
2 stops36h 05mMultiple Airlines
Mon 9/156:20 pmICN - DEN
1 stop19h 28mMultiple Airlines
Deal found 7/31$886
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 9/27:50 pmDEN - ICN
1 stop30h 50mTurkish Airlines
Thu 9/1811:20 pmICN - DEN
1 stop33h 35mTurkish Airlines
Deal found 7/31$910
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Mon 9/16:45 amDEN - ICN
2 stops38h 10mChina Eastern
Wed 9/108:55 amICN - DEN
2 stops24h 26mChina Eastern
Deal found 7/31$918
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sat 8/96:15 amDEN - GMP
2 stops37h 45mChina Eastern
Tue 9/98:50 pmGMP - DEN
2 stops36h 31mChina Eastern
Deal found 7/31$918
This FlightHub deal was found by Cheapflights users on 7/31. 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.
Mon 9/17:49 pmDEN - ICN
1 stop29h 16mAir Canada
Tue 9/95:45 pmICN - DEN
2 stops39h 18mAir Canada
Deal found 7/31$964
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/41:55 pmCOS - ICN
2 stops23h 25mUnited Airlines
Thu 9/1111:30 amICN - COS
2 stops18h 15mUnited Airlines
Deal found 7/31$977
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 9/156:02 amCOS - ICN
1 stop18h 28mAmerican Airlines
Mon 9/225:25 pmICN - COS
1 stop19h 43mAmerican Airlines
Deal found 8/1$1,048
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:49 pmDEN - GMP
2 stops50h 11mMultiple Airlines
Tue 9/308:20 amGMP - DEN
2 stops45h 33mMultiple Airlines
Deal found 7/30$1,118
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:00 amDEN - PUS
2 stops23h 00mMultiple Airlines
Mon 3/24:10 pmPUS - DEN
2 stops19h 09mMultiple Airlines
Deal found 7/29$1,267
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:30 pmDEN - GMP
2 stops41h 50mANA
Sun 10/57:55 pmGMP - DEN
2 stops37h 24mANA
Deal found 7/30$1,279
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amDEN - GMP
2 stops24h 50mJapan Airlines
Sun 9/287:55 amGMP - DEN
2 stops30h 10mJapan Airlines
Deal found 7/30$1,337
This Air China deal was found by Cheapflights users on 7/31. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:45 amDEN - GMP
2 stops38h 20mAir China
Thu 11/62:25 pmGMP - DEN
2 stops33h 59mAir China
Deal found 7/31$1,359

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 August 2, 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

Sat 8/23

7:10 pm-10:15 pm

2 stops36h 05m

Incheon Intl

Mon 9/15

6:20 pm-10:48 pm

1 stop19h 28m

$886

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/2

7:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

Thu 9/18

11:20 pm-5:55 pm

1 stop33h 35m

$910

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 9/1

6:45 am-11:55 am

2 stops38h 10m

Incheon Intl

Wed 9/10

8:55 am-6:21 pm

2 stops24h 26m

$918

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Tue 8/12

6:45 am-7:50 pm

2 stops46h 05m

Seoul Gimpo Intl

Tue 9/9

8:50 pm-6:21 pm

2 stops36h 31m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 9/1

7:49 pm-4:05 pm

1 stop29h 16m

Incheon Intl

Tue 9/9

5:45 pm-6:03 pm

2 stops39h 18m

$964

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Thu 9/4

1:55 pm-4:20 am

2 stops23h 25m

Incheon Intl

Thu 9/11

11:30 am-2:45 pm

2 stops18h 15m

$977

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 9/15

6:02 am-3:30 pm

1 stop18h 28m

Incheon Intl

Mon 9/22

5:25 pm-10:08 pm

1 stop19h 43m

$1,048

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Mon 1/5

8:45 am-2:55 pm

2 stops38h 10m

Seoul Gimpo Intl

Fri 1/16

9:00 am-12:37 pm

2 stops43h 37m

$1,086

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Thu 9/25

1:30 pm-10:20 pm

2 stops41h 50m

Seoul Gimpo Intl

Sun 10/5

7:55 pm-6:19 pm

2 stops37h 24m

$1,279

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Thu 9/18

6:00 am-9:50 pm

2 stops24h 50m

Seoul Gimpo Intl

Sun 9/28

7:55 am-11:05 pm

2 stops30h 10m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 29 results
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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 $998). Flying from Colorado to South Korea 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 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 August 2, 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.

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 August 2, 2025.
Read through reviews of airlines operating flights from Colorado to South Korea, such as ANA, Korean Air, and Japan Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very good
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very good

Food

7.7

Comfort

8.2

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 China Eastern. According to our data, you can fly for as low as $533. Users have also found prices from $551 and $564 on Air Canada and Alaska Airlines, 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 $998). Flying from Colorado to South Korea 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$237Average$1,402FlexibilityNo cancel feeOn-time69%
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$896FlexibilityNo cancel feeOn-time77%
DeltaCheapest$756Average$1,117FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$757Average$1,223FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$843Average$1,623FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$855Average$1,230FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,106FlexibilityNo cancel feeOn-time71%

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