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 20h 14m on average. Another popular route from South Korea to Colorado is flying from Seoul to Denver, which will take roughly 24h 56m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Korean Air, Asiana Airlines and Delta 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 47% 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.

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 August 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.

$441 Cheap Flights from South Korea to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Korea to Colorado

Round-trip

One-way

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Recent round-trip flight deals from South Korea to Colorado

Enter your travel dates to find the best prices.

5:50 pm - 9:52 amICN Incheon Intl-DEN Denver Intl

31h 02m1 stop Dallas/Fort Worth

6:26 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

18h 19m1 stop Dallas/Fort Worth

$876American Airlines

Thu, Sep 3 - Wed, Sep 16

5:50 pm - 8:09 amICN Incheon Intl-DEN Denver Intl

29h 19m1 stop Dallas/Fort Worth

4:22 pm - 4:45 pmDEN Denver Intl-ICN Incheon Intl

33h 23m1 stop Dallas/Fort Worth

$877American Airlines

Wed, Oct 21 - Sun, Oct 25

6:55 pm - 8:55 amICN Incheon Intl-DEN Denver Intl

30h 00m2 stops Vancouver Intl Edmonton

7:45 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 25m1 stop Vancouver Intl

$906Air Canada

Mon, Dec 14 - Sun, Dec 20

6:55 pm - 12:38 pmICN Incheon Intl-DEN Denver Intl

33h 43m1 stop Vancouver Intl

7:45 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 25m1 stop Vancouver Intl

$906Air Canada

Mon, Dec 14 - Sun, Dec 20

11:30 am - 7:45 pmICN Incheon Intl-DEN Denver Intl

23h 15m2 stops San Francisco Sacramento Intl

11:18 am - 4:20 amDEN Denver Intl-ICN Incheon Intl

26h 02m1 stop San Francisco

$917United Airlines

Wed, Sep 16 - Thu, Sep 17

6:45 pm - 7:10 pmICN Incheon Intl-DEN Denver Intl

16h 25m2 stops Seattle/Tacoma Intl Salt Lake City

3:40 pm - 4:40 pmDEN Denver Intl-ICN Incheon Intl

34h 00m2 stops Salt Lake City Seattle/Tacoma Intl

$1,077Delta

Wed, Dec 23 - Sun, Jun 6

6:45 pm - 7:10 pmICN Incheon Intl-DEN Denver Intl

16h 25m2 stops Seattle/Tacoma Intl Salt Lake City

12:45 pm - 4:40 pmDEN Denver Intl-ICN Incheon Intl

36h 55m2 stops Salt Lake City Seattle/Tacoma Intl

$1,077Delta

Thu, Dec 24 - Sat, Jun 5

5:15 pm - 8:40 amICN Incheon Intl-COS Colorado Springs

30h 25m2 stops Newark Denver Intl

1:52 pm - 4:20 amCOS Colorado Springs-ICN Incheon Intl

23h 28m2 stops Denver Intl San Francisco

$1,093United Airlines

Sun, Sep 13 - Thu, Sep 17

12:40 pm - 2:22 pmICN Incheon Intl-DEN Denver Intl

16h 42m1 stop Los Angeles

5:45 pm - 4:10 amDEN Denver Intl-ICN Incheon Intl

19h 25m1 stop Los Angeles

$1,115Asiana Airlines

Tue, Aug 25 - Tue, Sep 8

2:30 pm - 6:10 pmICN Incheon Intl-DEN Denver Intl

19h 40m1 stop Los Angeles

7:05 am - 3:20 pmDEN Denver Intl-ICN Incheon Intl

17h 15m1 stop Salt Lake City

$1,220Korean Air

Wed, Jan 13 - Thu, Jun 3

Recent last minute flight deals from South Korea to Colorado

Enter your travel dates to find the best prices.

4:50 pm - 12:32 pmICN Incheon Intl-DEN Denver Intl

34h 42m2 stops San Francisco Burbank Bob Hope

9:09 pm - 4:20 amDEN Denver Intl-ICN Incheon Intl

16h 11m1 stop San Francisco

$1,076United Airlines

Mon, Aug 17 - Wed, Sep 16

5:50 pm - 8:25 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Dallas/Fort Worth

5:30 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

19h 15m1 stop Dallas/Fort Worth

$1,131American Airlines

Mon, Aug 17 - Wed, Sep 16

5:50 pm - 8:25 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Dallas/Fort Worth

6:25 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

18h 20m1 stop Dallas/Fort Worth

$1,131American Airlines

Mon, Aug 17 - Mon, Aug 24

4:50 pm - 12:32 pmICN Incheon Intl-DEN Denver Intl

34h 42m2 stops San Francisco Burbank Bob Hope

9:09 pm - 4:20 amDEN Denver Intl-ICN Incheon Intl

16h 11m1 stop San Francisco

$1,226United Airlines

Mon, Aug 17 - Wed, Sep 16

5:45 pm - 6:04 pmICN Incheon Intl-DEN Denver Intl

39h 19m2 stops Vancouver Intl Edmonton

7:00 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

30h 10m1 stop Vancouver Intl

$1,239Air Canada

Thu, Aug 13 - Wed, Nov 11

5:45 pm - 6:04 pmICN Incheon Intl-DEN Denver Intl

39h 19m2 stops Vancouver Intl Edmonton

7:00 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

30h 10m1 stop Vancouver Intl

$1,284Air Canada

Thu, Aug 13 - Fri, Nov 13

4:50 pm - 6:10 pmICN Incheon Intl-DEN Denver Intl

16h 20m1 stop San Francisco

3:40 pm - 3:20 pmDEN Denver Intl-ICN Incheon Intl

32h 40m1 stop Newark

$1,291Asiana Airlines

Mon, Aug 17 - Wed, Sep 16

4:50 pm - 6:10 pmICN Incheon Intl-DEN Denver Intl

16h 20m1 stop San Francisco

3:40 pm - 3:20 pmDEN Denver Intl-ICN Incheon Intl

32h 40m1 stop Newark

$1,299Asiana Airlines

Fri, Aug 14 - Wed, Sep 16

7:20 pm - 10:55 pmICN Incheon Intl-DEN Denver Intl

18h 35m1 stop Salt Lake City

5:30 am - 4:50 pmDEN Denver Intl-ICN Incheon Intl

20h 20m2 stops Salt Lake City Seattle/Tacoma Intl

$1,352Delta

Mon, Aug 17 - Sun, Sep 13

7:20 pm - 10:55 pmICN Incheon Intl-DEN Denver Intl

18h 35m1 stop Salt Lake City

6:06 pm - 3:20 pmDEN Denver Intl-ICN Incheon Intl

30h 14m1 stop Salt Lake City

$1,352Delta

Mon, Aug 17 - Tue, Sep 15

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American Airlines flights from South Korea to Colorado

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

American Airlines

Sep 3

ICN5:50 pmIncheon Intl

31h 02m

1 stop

DEN9:52 amDenver Intl

Sep 16

DEN6:26 amDenver Intl

18h 19m

1 stop

ICN3:45 pmIncheon Intl

$876

American Airlines

Oct 21

ICN5:50 pmIncheon Intl

29h 19m

1 stop

DEN8:09 amDenver Intl

Oct 25

DEN4:22 pmDenver Intl

33h 23m

1 stop

ICN4:45 pmIncheon Intl

$877

American Airlines

Oct 21

ICN5:50 pmIncheon Intl

29h 19m

1 stop

DEN8:09 amDenver Intl

Oct 25

DEN4:22 pmDenver Intl

33h 23m

1 stop

ICN4:45 pmIncheon Intl

$878

United Airlines flights from South Korea to Colorado

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

United Airlines

Sep 16

ICN11:30 amIncheon Intl

23h 15m

2 stops

DEN7:45 pmDenver Intl

Sep 17

DEN11:18 amDenver Intl

26h 02m

1 stop

ICN4:20 amIncheon Intl

$917

United Airlines

Aug 17

ICN4:50 pmIncheon Intl

34h 42m

2 stops

DEN12:32 pmDenver Intl

Sep 16

DEN9:09 pmDenver Intl

16h 11m

1 stop

ICN4:20 amIncheon Intl

$1,076

United Airlines

Sep 13

ICN5:15 pmIncheon Intl

30h 25m

2 stops

COS8:40 amColorado Springs

Sep 17

COS1:52 pmColorado Springs

23h 28m

2 stops

ICN4:20 amIncheon Intl

$1,093

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Thu 9/3

5:50 pm-9:52 am

1 stop31h 02m

Denver Intl

Wed 9/16

6:26 am-3:45 pm

1 stop18h 19m

$876

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Wed 10/21

5:50 pm-8:09 am

1 stop29h 19m

Denver Intl

Sun 10/25

4:22 pm-4:45 pm

1 stop33h 23m

$877

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Mon 12/14

6:55 pm-8:55 am

2 stops30h 00m

Denver Intl

Sun 12/20

7:45 pm-5:10 pm

1 stop29h 25m

$906

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Mon 12/14

6:55 pm-12:38 pm

1 stop33h 43m

Denver Intl

Sun 12/20

7:45 pm-5:10 pm

1 stop29h 25m

$906

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Wed 9/16

11:30 am-7:45 pm

2 stops23h 15m

Denver Intl

Thu 9/17

11:18 am-4:20 am

1 stop26h 02m

$917

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Wed 12/23

6:45 pm-7:10 pm

2 stops16h 25m

Denver Intl

Sun 6/6

3:40 pm-4:40 pm

2 stops34h 00m

$1,077

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Thu 12/24

6:45 pm-7:10 pm

2 stops16h 25m

Denver Intl

Sat 6/5

12:45 pm-4:40 pm

2 stops36h 55m

$1,077

IncheonColorado Springs

ICN Incheon Intl - COS Colorado Springs

ICNCOS

Incheon Intl

Sun 9/13

5:15 pm-8:40 am

2 stops30h 25m

Colorado Springs

Thu 9/17

1:52 pm-4:20 am

2 stops23h 28m

$1,093

Quickest round-trip

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Tue 8/25

12:40 pm-2:22 pm

1 stop16h 42m

Denver Intl

Tue 9/8

5:45 pm-4:10 am

1 stop19h 25m

$1,115

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Wed 1/13

2:30 pm-6:10 pm

1 stop19h 40m

Denver Intl

Thu 6/3

7:05 am-3:20 pm

1 stop17h 15m

$1,220

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 August is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $0. The month of January is another great option to travel to Colorado, with average flight prices from South Korea averaging around $699.

How far in advance should I book a flight from South Korea 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 $907 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 $680 on momondo.

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	20h 14m
Direct flights	None

The fastest flight from South Korea to Colorado takes 20h 14m

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 August 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
Delta	PriceFrom $459	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $688	Free Cancellation	Rating 8.1 556 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $695	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
Air Canada	PriceFrom $955	Free Cancellation	Rating 7.1 11,466 reviews	Search Air Canada 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.