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 18h 22m on average. Another popular route from South Korea to Colorado is flying from Seoul to Denver, which will take roughly 23h 25m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, Delta, and American Airlines are the most popular carriers operating from South Korea to Colorado

What airlines fly to Colorado?

Korean Air, Air Canada 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 32% 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 November 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.

$452 Cheap Flights from South Korea to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

1:10 pm - 3:14 pmICN Incheon Intl-DEN Denver Intl

42h 04m2 stops Beijing Capital Los Angeles

8:35 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

20h 45m1 stop San Francisco

$897Multiple Airlines

Thu, Dec 10 - Mon, Feb 22

8:40 pm - 2:19 pmICN Incheon Intl-DEN Denver Intl

33h 39m2 stops Vancouver Intl San Francisco

8:35 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

20h 45m1 stop San Francisco

$918Multiple Airlines

Tue, Dec 1 - Mon, Feb 22

12:45 pm - 4:29 pmICN Incheon Intl-DEN Denver Intl

19h 44m2 stops San Francisco Sacramento Intl

7:25 pm - 5:40 amDEN Denver Intl-ICN Incheon Intl

18h 15m1 stop San Francisco

$1,111United Airlines

Mon, Feb 22 - Mon, Feb 22

9:20 pm - 11:48 pmICN Incheon Intl-DEN Denver Intl

18h 28m1 stop Seattle/Tacoma Intl

7:00 am - 5:35 pmDEN Denver Intl-ICN Incheon Intl

18h 35m1 stop Los Angeles

$1,238Korean Air

Thu, Dec 10 - Mon, Dec 28

6:55 pm - 8:37 amICN Incheon Intl-DEN Denver Intl

29h 42m2 stops Vancouver Intl Calgary

7:21 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 49m2 stops Edmonton Vancouver Intl

$1,250Air Canada

Tue, Dec 8 - Mon, Dec 28

6:55 pm - 8:37 amICN Incheon Intl-DEN Denver Intl

29h 42m2 stops Vancouver Intl Calgary

7:21 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 49m2 stops Edmonton Vancouver Intl

$1,263Air Canada

Thu, Dec 10 - Mon, Dec 28

12:45 pm - 4:29 pmICN Incheon Intl-COS Colorado Springs

19h 44m2 stops San Francisco Denver Intl

5:04 pm - 5:40 amCOS Colorado Springs-ICN Incheon Intl

20h 36m2 stops Denver Intl San Francisco

$1,298United Airlines

Thu, Feb 18 - Mon, Feb 22

6:45 pm - 8:29 pmICN Incheon Intl-DEN Denver Intl

17h 44m2 stops Seattle/Tacoma Intl Salt Lake City

6:25 pm - 5:45 pmDEN Denver Intl-ICN Incheon Intl

31h 20m2 stops Salt Lake City Seattle/Tacoma Intl

$1,300Delta

Tue, Nov 24 - Mon, Feb 22

7:20 pm - 9:44 amICN Incheon Intl-DEN Denver Intl

29h 24m1 stop Salt Lake City

5:40 am - 4:50 pmDEN Denver Intl-ICN Incheon Intl

20h 10m2 stops Salt Lake City Seattle/Tacoma Intl

$1,302Delta

Fri, Apr 16 - Mon, May 3

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

18h 40m1 stop Los Angeles

6:30 pm - 4:20 amDEN Denver Intl-ICN Incheon Intl

18h 50m1 stop Seattle/Tacoma Intl

$1,388Korean Air

Tue, Mar 16 - Wed, Mar 17

Recent last minute flight deals from South Korea to Colorado

Enter your travel dates to find the best prices.

7:45 pm - 8:22 amICN Incheon Intl-DEN Denver Intl

28h 37m2 stops San Francisco Dallas/Fort Worth

8:35 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

20h 45m1 stop San Francisco

$1,081Multiple Airlines

Fri, Nov 13 - Mon, Feb 22

6:50 pm - 11:48 pmICN Incheon Intl-DEN Denver Intl

20h 58m1 stop Dallas/Fort Worth

6:30 pm - 4:45 pmDEN Denver Intl-ICN Incheon Intl

30h 15m1 stop Dallas/Fort Worth

$1,105American Airlines

Wed, Nov 11 - Sun, Nov 15

6:50 pm - 10:20 pmICN Incheon Intl-DEN Denver Intl

19h 30m1 stop Dallas/Fort Worth

6:46 pm - 4:45 pmDEN Denver Intl-ICN Incheon Intl

29h 59m2 stops Los Angeles Dallas/Fort Worth

$1,105American Airlines

Wed, Nov 11 - Mon, Nov 16

6:50 pm - 8:40 amICN Incheon Intl-DEN Denver Intl

29h 50m2 stops Dallas/Fort Worth Chicago O'Hare Intl

6:46 pm - 4:45 pmDEN Denver Intl-ICN Incheon Intl

29h 59m2 stops Los Angeles Dallas/Fort Worth

$1,105American Airlines

Wed, Nov 11 - Mon, Nov 16

6:50 pm - 11:48 pmICN Incheon Intl-DEN Denver Intl

20h 58m1 stop Dallas/Fort Worth

5:30 am - 4:45 pmDEN Denver Intl-ICN Incheon Intl

19h 15m1 stop Dallas/Fort Worth

$1,105American Airlines

Wed, Nov 11 - Mon, Nov 16

6:55 pm - 6:13 pmICN Incheon Intl-DEN Denver Intl

15h 18m1 stop Vancouver Intl

8:15 am - 5:10 pmDEN Denver Intl-ICN Incheon Intl

16h 55m1 stop Vancouver Intl

$1,281Air Canada

Thu, Nov 12 - Wed, Nov 18

6:55 pm - 6:13 pmICN Incheon Intl-DEN Denver Intl

15h 18m1 stop Vancouver Intl

7:20 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 50m2 stops Edmonton Vancouver Intl

$1,281Air Canada

Thu, Nov 12 - Wed, Nov 18

6:55 pm - 8:37 amICN Incheon Intl-DEN Denver Intl

29h 42m2 stops Vancouver Intl Calgary

7:20 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

29h 50m2 stops Edmonton Vancouver Intl

$1,295Air Canada

Thu, Nov 12 - Wed, Nov 18

6:00 pm - 10:44 pmICN Incheon Intl-DEN Denver Intl

20h 44m2 stops San Francisco Chicago O'Hare Intl

1:25 pm - 5:40 amDEN Denver Intl-ICN Incheon Intl

24h 15m2 stops Chicago O'Hare Intl San Francisco

$1,298United Airlines

Wed, Nov 11 - Mon, Nov 16

6:45 pm - 8:29 pmICN Incheon Intl-DEN Denver Intl

17h 44m2 stops Seattle/Tacoma Intl Salt Lake City

6:25 pm - 5:45 pmDEN Denver Intl-ICN Incheon Intl

31h 20m2 stops Salt Lake City Seattle/Tacoma Intl

$1,300Delta

Mon, Nov 16 - Mon, Feb 22

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Alaska Airlines flights from South Korea to Colorado

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

Alaska Airlines

Nov 23

ICN8:00 pmIncheon Intl

19h 59m

1 stop

DEN11:59 pmDenver Intl

Nov 26

DEN12:19 pmDenver Intl

37h 16m

1 stop

ICN5:35 pmIncheon Intl

$1,290

Alaska Airlines

Nov 23

ICN8:00 pmIncheon Intl

19h 59m

1 stop

DEN11:59 pmDenver Intl

Nov 26

DEN12:19 pmDenver Intl

37h 16m

1 stop

ICN5:35 pmIncheon Intl

$1,305

American Airlines flights from South Korea to Colorado

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

American Airlines

Nov 11

ICN6:50 pmIncheon Intl

19h 30m

1 stop

DEN10:20 pmDenver Intl

Nov 16

DEN6:46 pmDenver Intl

29h 59m

2 stops

ICN4:45 pmIncheon Intl

$1,105

American Airlines

Dec 10

ICN6:50 pmIncheon Intl

21h 48m

2 stops

DEN12:38 amDenver Intl

Feb 22

DEN8:20 pmDenver Intl

28h 05m

2 stops

ICN4:25 pmIncheon Intl

$1,106

American Airlines

Dec 9

ICN6:50 pmIncheon Intl

17h 04m

1 stop

DEN7:54 pmDenver Intl

Dec 13

DEN11:56 pmDenver Intl

24h 49m

2 stops

ICN4:45 pmIncheon Intl

$1,131

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Thu 12/10

1:10 pm-3:14 pm

2 stops42h 04m

Denver Intl

Mon 2/22

8:35 am-9:20 pm

1 stop20h 45m

$897

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Tue 12/1

8:40 pm-2:19 pm

2 stops33h 39m

Denver Intl

Mon 2/22

8:35 am-9:20 pm

1 stop20h 45m

$918

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Mon 2/22

12:45 pm-4:29 pm

2 stops19h 44m

Denver Intl

Mon 2/22

7:25 pm-5:40 am

1 stop18h 15m

$1,111

Quickest round-trip

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Thu 12/10

9:20 pm-11:48 pm

1 stop18h 28m

Denver Intl

Mon 12/28

7:00 am-5:35 pm

1 stop18h 35m

$1,238

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Tue 12/8

6:55 pm-8:37 am

2 stops29h 42m

Denver Intl

Mon 12/28

7:21 pm-5:10 pm

2 stops29h 49m

$1,250

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Thu 12/10

6:55 pm-8:37 am

2 stops29h 42m

Denver Intl

Mon 12/28

7:21 pm-5:10 pm

2 stops29h 49m

$1,263

IncheonColorado Springs

ICN Incheon Intl - COS Colorado Springs

ICNCOS

Incheon Intl

Thu 2/18

12:45 pm-4:29 pm

2 stops19h 44m

Colorado Springs

Mon 2/22

5:04 pm-5:40 am

2 stops20h 36m

$1,298

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Tue 11/24

6:45 pm-8:29 pm

2 stops17h 44m

Denver Intl

Mon 2/22

6:25 pm-5:45 pm

2 stops31h 20m

$1,300

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Fri 4/16

7:20 pm-9:44 am

1 stop29h 24m

Denver Intl

Mon 5/3

5:40 am-4:50 pm

2 stops20h 10m

$1,302

IncheonDenver

ICN Incheon Intl - DEN Denver Intl

ICNDEN

Incheon Intl

Tue 3/16

2:30 pm-6:10 pm

1 stop18h 40m

Denver Intl

Wed 3/17

6:30 pm-4:20 am

1 stop18h 50m

$1,388

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 January is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $699. The month of November is another great option to travel to Colorado, with average flight prices from South Korea averaging around $735.

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 $1,025 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 $687 on momondo.

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

You could potentially save up to 1% 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

Best Price Found	$452
Fastest flight time	14h 43m
Direct flights	None

The best one-way flight to Colorado from South Korea in the past 72 hours is $452. The best round-trip flight deal from South Korea to Colorado found on momondo in the last 72 hours is $897.

The fastest flight from South Korea to Colorado takes 14h 43m

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 November 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 $621	Free Cancellation	Rating 7.8 8,701 reviews	Search Delta flights
United Airlines	PriceFrom $659	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $709	Free Cancellation	Rating 8.1 572 reviews	Search Asiana Airlines flights
Air Canada	PriceFrom $955	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
Korean Air	PriceFrom $980	Free Cancellation	Rating 8.4 1,218 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.