How long is the flight from South Korea to Colorado?

Flight times from South Korea to Colorado vary, but if you’re flying out of Incheon and flying into Denver (one of the most popular routes), then the duration is 15h 49m on average. Another popular route from South Korea to Colorado is flying from Seoul to Denver, which will take roughly 18h 01m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Korean Air, Delta and Asiana Airlines are the top three most popular airlines that fly to Colorado from South Korea according to our data. Korean Air is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from South Korea to Colorado?

China Eastern, Japan Airlines, and United Airlines are the most popular carriers operating from South Korea to Colorado

When did momondo last update prices for flights from South Korea to Colorado?

Prices for flights from South Korea to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from South Korea to Colorado?

As of April 2026, there are 5 operators available to choose from for flights from South Korea to Colorado.

How old do you have to be to fly from South Korea to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from South Korea to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$433 Cheap Flights from South Korea to Colorado in 2026

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Find the cheapest flights from South Korea to Colorado

Round-trip

One-way

Last minute

Recent round-trip flight deals from South Korea to Colorado

Enter your travel dates to find the best prices.

8:50 pm - 10:11 pm

ICN

DEN

16h 21m

1 stop

6:00 am - 3:20 pm

DEN

ICN

18h 20m

1 stop

$656Asiana Airlines

Wed, Sep 16 - Mon, Sep 21

9:00 pm - 9:49 pm

ICN

DEN

15h 49m

1 stop

2:57 pm - 5:15 am

DEN

ICN

23h 18m

1 stop

$670Multiple Airlines

Tue, May 12 - Tue, May 19

7:35 pm - 1:39 pm

ICN

DEN

33h 04m

2 stops

6:00 am - 5:30 pm

DEN

ICN

20h 30m

1 stop

$678Alaska Airlines

Sun, May 17 - Mon, Aug 10

7:35 pm - 1:39 pm

ICN

DEN

33h 04m

2 stops

7:59 pm - 5:30 pm

DEN

ICN

54h 31m

2 stops

$690Alaska Airlines

Sun, May 17 - Mon, Aug 10

9:20 pm - 11:37 pm

ICN

DEN

17h 17m

1 stop

7:43 pm - 4:30 am

DEN

ICN

17h 47m

1 stop

$691Asiana Airlines

Sun, May 17 - Mon, Aug 10

4:50 pm - 11:59 pm

ICN

COS

22h 09m

2 stops

1:30 pm - 3:00 pm

COS

ICN

34h 30m

2 stops

$1,182United Airlines

Wed, Jul 8 - Sat, Jul 18

4:50 pm - 10:06 pm

ICN

COS

20h 16m

2 stops

3:07 pm - 4:20 am

COS

ICN

22h 13m

2 stops

$1,225United Airlines

Wed, Jul 8 - Sat, Jul 18

8:00 am - 5:02 pm

GMP

DEN

24h 02m

2 stops

6:08 pm - 5:55 pm

DEN

GMP

32h 47m

2 stops

$1,286Japan Airlines

Tue, Jun 2 - Mon, Jun 8

8:00 am - 5:37 pm

GMP

DEN

24h 37m

2 stops

6:08 pm - 5:55 pm

DEN

GMP

32h 47m

2 stops

$1,307Japan Airlines

Tue, Jun 2 - Mon, Jun 8

4:40 pm - 10:46 pm

ICN

COS

21h 06m

2 stops

5:55 pm - 3:20 pm

COS

ICN

30h 25m

1 stop

$1,321Delta

Tue, Jul 14 - Sun, Aug 30

Asiana Airlines flights from South Korea to Colorado

Our best Asiana Airlines deals on South Korea to Colorado flight tickets

Asiana Airlines

Sep 16

ICN8:50 pmIncheon Intl

16h 21m

1 stop

DEN10:11 pmDenver Intl

Sep 21

DEN6:00 amDenver Intl

18h 20m

1 stop

ICN3:20 pmIncheon Intl

$656

Asiana Airlines

May 17

ICN9:20 pmIncheon Intl

17h 17m

1 stop

DEN11:37 pmDenver Intl

Aug 10

DEN7:43 pmDenver Intl

17h 47m

1 stop

ICN4:30 amIncheon Intl

$691

Asiana Airlines

Jun 23

ICN8:50 pmIncheon Intl

16h 54m

1 stop

DEN10:44 pmDenver Intl

Jul 14

DEN6:04 amDenver Intl

18h 16m

1 stop

ICN3:20 pmIncheon Intl

$769

Delta flights from South Korea to Colorado

Our best Delta deals on South Korea to Colorado flight tickets

Delta

Apr 3

ICN2:30 pmIncheon Intl

20h 27m

2 stops

DEN7:57 pmDenver Intl

May 2

DEN7:45 pmDenver Intl

29h 55m

1 stop

ICN4:40 pmIncheon Intl

$1,189

Delta

Jul 14

ICN4:40 pmIncheon Intl

21h 06m

2 stops

COS10:46 pmColorado Springs

Aug 30

COS5:55 pmColorado Springs

30h 25m

1 stop

ICN3:20 pmIncheon Intl

$1,321

Delta

Apr 4

ICN7:00 pmIncheon Intl

29h 28m

2 stops

DEN9:28 amDenver Intl

May 2

DEN6:27 pmDenver Intl

31h 23m

2 stops

ICN4:50 pmIncheon Intl

$1,322

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 9/16

8:50 pm-10:11 pm

1 stop16h 21m

Denver Intl

Mon 9/21

6:00 am-3:20 pm

1 stop18h 20m

$656

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Tue 5/12

9:00 pm-9:49 pm

1 stop15h 49m

Denver Intl

Tue 5/19

2:57 pm-5:15 am

1 stop23h 18m

$670

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sun 5/17

7:35 pm-1:39 pm

2 stops33h 04m

Denver Intl

Mon 8/10

6:00 am-5:30 pm

1 stop20h 30m

$678

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sun 5/17

7:35 pm-1:39 pm

2 stops33h 04m

Denver Intl

Mon 8/10

7:59 pm-5:30 pm

2 stops54h 31m

$690

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sun 5/17

9:20 pm-11:37 pm

1 stop17h 17m

Denver Intl

Mon 8/10

7:43 pm-4:30 am

1 stop17h 47m

$691

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 7/8

4:50 pm-11:59 pm

2 stops22h 09m

Colorado Springs

Sat 7/18

1:30 pm-3:00 pm

2 stops34h 30m

$1,182

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 7/8

4:50 pm-10:06 pm

2 stops20h 16m

Colorado Springs

Sat 7/18

3:07 pm-4:20 am

2 stops22h 13m

$1,225

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Tue 6/2

8:00 am-5:02 pm

2 stops24h 02m

Denver Intl

Mon 6/8

6:08 pm-5:55 pm

2 stops32h 47m

$1,286

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Tue 6/2

8:00 am-5:37 pm

2 stops24h 37m

Denver Intl

Mon 6/8

6:08 pm-5:55 pm

2 stops32h 47m

$1,307

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Tue 7/14

4:40 pm-10:46 pm

2 stops21h 06m

Colorado Springs

Sun 8/30

5:55 pm-3:20 pm

1 stop30h 25m

$1,321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Korea to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of April is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $636. The month of December is another great option to travel to Colorado, with average flight prices from South Korea averaging around $692.

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $866 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from South Korea for as low as $669 on momondo.

Can stopping save me money on South Korea to Colorado flights?

You could potentially save up to 37% on your flight if you consider stops on a South Korea to Colorado flight.

Cheap South Korea to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea to Colorado

Fastest flight time	15h 49m
Direct flights	None

The fastest flight from South Korea to Colorado takes 15h 49m

There are no direct flights from South Korea to Colorado. There are no popular flight routes from South Korea to Colorado.

Search flight deals

Frequently asked questions about flying from South Korea to Colorado

When did momondo last update prices for flights from South Korea to Colorado?
Prices for flights from South Korea to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from South Korea to Colorado?
As of April 2026, there are 5 operators available to choose from for flights from South Korea to Colorado.
How old do you have to be to fly from South Korea to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from South Korea to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from South Korea to Colorado

Compare and see reviews for airlines that fly from South Korea to Colorado with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights
Delta	PriceFrom $620	Free Cancellation	Rating 7.9 8,368 reviews	Search Delta flights
Air Canada	PriceFrom $686	Free Cancellation	Rating 7.1 10,873 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $688	Free Cancellation	Rating 8.1 507 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $695	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from South Korea to Colorado?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from South Korea to Colorado. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from South Korea to Colorado with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for South Korea to Colorado flights to just show those with flexible booking policies.

How can momondo help me find flights from South Korea to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from South Korea to Colorado.

I’m not ready to book a flight from South Korea to Colorado right now. Can momondo alert me if prices change?

If you are not ready to book a flight from South Korea to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.