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$431+ 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 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 South Korea

Keep the following information in mind while searching for Colorado to South Korea 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 South Korea
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One-way flight from Colorado to South Korea
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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 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 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
Fri 5/306:20 pmICN - DEN
1 stop30h 34mMultiple Airlines
Deal found 4/30$810
This FlightHub deal was found by Cheapflights users on 5/1. 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 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 5/1$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 Orbitz deal was found by Cheapflights users on 5/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:52 amDEN - GMP
2 stops22h 33mMultiple Airlines
Sat 10/257:40 amGMP - DEN
2 stops47h 58mMultiple Airlines
Deal found 5/1$1,342
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:35 pmDEN - GMP
2 stops30h 30mANA
Wed 9/2412:40 pmGMP - DEN
2 stops23h 07mANA
Deal found 4/30$1,371
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 5/276:40 amDEN - GMP
2 stops46h 10mChina Eastern
Tue 6/38:50 pmGMP - DEN
2 stops36h 29mChina Eastern
Deal found 4/30$1,405
This oojo 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 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 stops35h 03mPhilippine Airlines
Deal found 4/30$1,494
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 Ovago deal was found by Cheapflights users on 5/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:20 pmDEN - GMP
2 stops28h 45mAir China
Mon 11/32:25 pmGMP - DEN
2 stops33h 55mAir China
Deal found 5/1$1,586
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 7/246:05 amDEN - PUS
2 stops43h 45mChina Eastern
Fri 9/2612:35 pmPUS - DEN
2 stops44h 34mChina Eastern
Deal found 4/30$1,591
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/52:00 pmCOS - ICN
2 stops23h 20mUnited Airlines
Sat 8/164:50 pmICN - COS
2 stops20h 05mUnited Airlines
Deal found 4/30$1,660
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/245:59 pmDEN - PUS
2 stops26h 46mMultiple Airlines
Fri 9/269:00 pmPUS - DEN
2 stops37h 58mMultiple Airlines
Deal found 4/30$1,700

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 May 1, 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

Fri 5/23

10:16 pm-8:30 pm

1 stop31h 14m

Incheon Intl

Fri 5/30

6:20 pm-9:54 am

1 stop30h 34m

$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

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Wed 10/15

7:52 am-9:25 pm

2 stops22h 33m

Seoul Gimpo Intl

Sat 10/25

7:40 am-4:38 pm

2 stops47h 58m

$1,342

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Tue 9/16

1:35 pm-11:05 am

2 stops30h 30m

Seoul Gimpo Intl

Wed 9/24

12:40 pm-8:47 pm

2 stops23h 07m

$1,371

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Tue 5/27

6:40 am-7:50 pm

2 stops46h 10m

Seoul Gimpo Intl

Tue 6/3

8:50 pm-6:19 pm

2 stops36h 29m

$1,405

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Wed 10/15

11:51 am-7:50 pm

2 stops40h 59m

Busan Gimhae

Sat 11/1

8:45 pm-4:48 pm

2 stops35h 03m

$1,494

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Thu 7/24

6:05 am-4:50 pm

2 stops43h 45m

Busan Gimhae

Fri 9/26

12:35 pm-6:09 pm

2 stops44h 34m

$1,591

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sat 7/5

2:00 pm-4:20 am

2 stops23h 20m

Incheon Intl

Sat 8/16

4:50 pm-9:55 pm

2 stops20h 05m

$1,660

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 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 $1,001). 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 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 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 May 1, 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
1,186 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

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

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

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
1,069 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Japan Airlines
8.3
Very good
1,464 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
732 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

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 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 $532. Users have also found prices from $556 and $629 on China Eastern 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 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

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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 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$1,717FlexibilityNo 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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