South Korea

$493+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Jun 1 — Jun 81
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Cheap 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 2, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Wed 6/37:35 pm
ICN
-
DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29$972
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Sat 5/307:35 pm
ICN
-
DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29$974
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/1312:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Fri 5/227:35 pm
ICN
-
DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28$979
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Fri 6/57:35 pm
ICN
-
DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/29$983
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/1312:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Thu 5/217:35 pm
ICN
-
DEN
1 stop19h 19m
Multiple Airlines
Deal found 4/28$988
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 10/206:30 am
DEN
-
ICN
2 stops41h 40m
China Eastern
Wed 11/44:20 pm
ICN
-
DEN
2 stops41h 50m
China Eastern
Deal found 4/30$998
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 8/206:30 am
DEN
-
GMP
2 stops37h 30m
China Eastern
Fri 9/188:50 pm
GMP
-
DEN
2 stops36h 20m
China Eastern
Deal found 5/1$998
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/2712:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Wed 6/107:35 pm
ICN
-
DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/28$1,023
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.
Sat 5/3012:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Fri 6/197:35 pm
ICN
-
DEN
1 stop19h 01m
Multiple Airlines
Deal found 4/30$1,035
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 5/1512:15 pm
DEN
-
ICN
2 stops42h 25m
Multiple Airlines
Mon 6/156:00 pm
ICN
-
DEN
1 stop30h 49m
Multiple Airlines
Deal found 4/30$1,045
This China Eastern deal was found by Cheapflights users on 4/28. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 am
DEN
-
PUS
2 stops43h 20m
China Eastern
Wed 9/165:50 pm
PUS
-
DEN
2 stops39h 20m
China Eastern
Deal found 4/28$1,060
This KAYAK deal was found by Cheapflights users on 4/27. 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.
Tue 8/186:30 am
DEN
-
GMP
2 stops37h 30m
China Eastern
Wed 9/168:50 pm
GMP
-
DEN
2 stops36h 20m
China Eastern
Deal found 4/27$1,063

Find 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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$972
(Kiwi.com)

One-way from

$493
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,663
Provider with most accurate pricing for Denver Intl-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Seoul (SEL) flights.
From Colorado to South Korea
One-way flight from Colorado to South Korea
Highest demand for flights based on searches. 4% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 2, 2026.
Use the filters below to find and compare flights from Colorado to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Sun 9/13

6:30 am-4:50 pm

2 stops43h 20m

Busan Gimhae

Wed 9/16

5:50 pm-6:10 pm

2 stops39h 20m

$1,060

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 9/9

5:39 am-3:45 pm

1 stop19h 06m

Incheon Intl

Sat 9/26

5:50 pm-10:57 pm

1 stop20h 07m

$1,318

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Wed 9/9

8:55 pm-6:00 pm

2 stops30h 05m

Busan Gimhae

Tue 10/20

7:10 pm-9:45 am

2 stops29h 35m

$1,403

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Sun 9/13

7:28 pm-5:55 pm

2 stops31h 27m

Busan Gimhae

Wed 9/16

12:30 pm-11:17 pm

2 stops25h 47m

$1,421

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Thu 8/20

9:41 am-9:15 pm

2 stops20h 34m

Seoul Gimpo Intl

Wed 8/26

8:00 am-5:56 pm

2 stops24h 56m

$1,439

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 10/17

5:45 pm-4:20 am

1 stop19h 35m

Incheon Intl

Mon 11/23

6:30 pm-11:28 pm

1 stop20h 58m

$1,507

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 9/9

1:51 pm-4:20 am

2 stops23h 29m

Incheon Intl

Sat 9/26

4:50 pm-11:59 pm

2 stops22h 09m

$1,511

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 5/12

7:25 am-11:55 am

2 stops37h 30m

Incheon Intl

Fri 5/15

4:20 pm-5:35 pm

2 stops40h 15m

$1,518

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Thu 9/10

7:28 pm-5:55 pm

2 stops31h 27m

Busan Gimhae

Mon 9/14

12:30 pm-11:17 pm

2 stops25h 47m

$1,551

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 8/20

3:47 pm-4:20 am

1 stop21h 33m

Incheon Intl

Thu 1/7

6:30 pm-6:42 am

2 stops28h 12m

$1,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 59 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Colorado to South Korea?

The best time to book flights from Colorado to South Korea is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $59). Flying from Colorado to South Korea in November is currently the most expensive (average of $866). 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.

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.
  • How long is the flight from Colorado to South Korea?

    There are many flights that can get you from Colorado to South Korea in 19h 06m. Fly via China Eastern, American Airlines, or STARLUX Airlines to get the fastest option. Colorado and South Korea are separated by a distance of 6242 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to South Korea one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $528. Users have also found prices from $568 and $656 on Asiana Airlines and United 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 $59). Flying from Colorado to South Korea in November is currently the most expensive (average of $866). 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.

Top 10 airlines flying from Colorado to South Korea

Discover the top 10 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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$169Average$1,436FlexibilityNo cancel feeOn-time69%
DeltaCheapest$478Average$1,062FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$519Average$1,105FlexibilityNo cancel feeOn-time81%
AIR PREMIACheapest$608Average$616FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$757Average$1,219FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$816Average$1,506FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$878Average$1,087FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$912Average$1,150FlexibilityNo cancel feeOn-time67%
China EasternCheapest$914Average$1,754FlexibilityNo cancel feeOn-time62%
WestJetCheapest$1,213Average$1,443FlexibilityNo cancel feeOn-time60%

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