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 14h 48m on average. Another popular route from South Korea to Colorado is flying from Seoul to Denver, which will take roughly 19h 30m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

Korean Air, United 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 33% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 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?

Air Canada, Hawaiian Airlines, and Delta 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 August 2025, there are 6 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.

$422 Cheap Flights from South Korea to Colorado in 2025

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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

6:00 pm - 6:18 pmICN-DEN

39h 18m1 stop

9:40 am - 4:15 pmDEN-ICN

39h 35m1 stop

$605Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

8:35 pm - 7:19 pmICN-DEN

14h 44m1 stop

5:15 pm - 6:35 pmDEN-ICN

33h 20m1 stop

$621Alaska Airlines

Find Deal

Mon, Feb 2 - Wed, Feb 4

7:20 pm - 6:56 pmICN-DEN

14h 36m1 stop

12:20 pm - 4:30 pmDEN-ICN

36h 10m1 stop

$637Delta

Find Deal

Fri, Oct 10 - Mon, Nov 24

4:50 pm - 11:52 pmICN-COS

22h 02m2 stops

12:10 pm - 4:40 amCOS-ICN

25h 30m2 stops

$663United Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 29

11:30 am - 12:28 amICN-DEN

27h 58m1 stop

1:30 pm - 3:00 pmDEN-ICN

34h 30m1 stop

$663United Airlines

Find Deal

Fri, Sep 12 - Sun, Sep 28

8:05 pm - 11:22 pmICN-DEN

19h 17m1 stop

12:20 pm - 4:30 pmDEN-ICN

36h 10m1 stop

$673Delta

Find Deal

Fri, Feb 13 - Sat, Feb 21

6:50 pm - 9:51 pmICN-DEN

19h 01m1 stop

3:08 pm - 4:45 pmDEN-ICN

33h 37m2 stops

$706American Airlines

Find Deal

Mon, Feb 2 - Wed, Feb 4

2:30 pm - 6:24 pmICN-DEN

18h 54m1 stop

6:15 am - 4:30 pmDEN-ICN

18h 15m1 stop

$718Korean Air

Find Deal

Fri, Oct 10 - Thu, Nov 20

8:25 pm - 11:49 pmICN-DEN

18h 24m1 stop

6:55 am - 4:40 pmDEN-ICN

18h 45m1 stop

$745Korean Air

Find Deal

Fri, Aug 29 - Mon, Sep 29

6:50 pm - 8:13 pmICN-COS

17h 23m1 stop

5:06 pm - 4:45 pmCOS-ICN

31h 39m1 stop

$1,354American Airlines

Find Deal

Thu, Feb 12 - Mon, Feb 16

Air Canada flights from South Korea to Colorado

Our best Air Canada deals on South Korea to Colorado flight tickets

Air Canada

Sep 17

ICN6:00 pmIncheon Intl

39h 18m

1 stop

DEN6:18 pmDenver Intl

Sep 24

DEN9:40 amDenver Intl

39h 35m

1 stop

ICN4:15 pmIncheon Intl

$605

Find similar

Air Canada

Sep 19

ICN6:00 pmIncheon Intl

39h 18m

1 stop

DEN6:18 pmDenver Intl

Sep 24

DEN9:40 amDenver Intl

39h 35m

1 stop

ICN4:15 pmIncheon Intl

$629

Find similar

Air Canada

Aug 23

ICN5:45 pmIncheon Intl

29h 57m

2 stops

DEN8:42 amDenver Intl

Aug 31

DEN7:21 pmDenver Intl

29h 44m

2 stops

ICN4:05 pmIncheon Intl

$2,508

Find similar

Delta flights from South Korea to Colorado

Our best Delta deals on South Korea to Colorado flight tickets

Delta

Oct 10

ICN7:20 pmIncheon Intl

14h 36m

1 stop

DEN6:56 pmDenver Intl

Nov 24

DEN12:20 pmDenver Intl

36h 10m

1 stop

ICN4:30 pmIncheon Intl

$637

Find similar

Delta

Feb 13

ICN8:05 pmIncheon Intl

19h 17m

1 stop

DEN11:22 pmDenver Intl

Feb 21

DEN3:40 pmDenver Intl

32h 50m

2 stops

ICN4:30 pmIncheon Intl

$673

Find similar

Delta

Oct 11

ICN6:40 pmIncheon Intl

15h 50m

1 stop

DEN7:30 pmDenver Intl

Nov 23

DEN6:25 pmDenver Intl

30h 05m

2 stops

ICN4:30 pmIncheon Intl

$691

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 9/17

6:00 pm-6:18 pm

1 stop39h 18m

Denver Intl

Wed 9/24

9:40 am-4:15 pm

1 stop39h 35m

$605

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/2

8:35 pm-7:19 pm

1 stop14h 44m

Denver Intl

Wed 2/4

5:15 pm-6:35 pm

1 stop33h 20m

$621

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/10

7:20 pm-6:56 pm

1 stop14h 36m

Denver Intl

Mon 11/24

12:20 pm-4:30 pm

1 stop36h 10m

$637

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 10/15

4:50 pm-11:52 pm

2 stops22h 02m

Colorado Springs

Wed 10/29

12:10 pm-4:40 am

2 stops25h 30m

$663

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 9/12

11:30 am-12:28 am

1 stop27h 58m

Denver Intl

Sun 9/28

1:30 pm-3:00 pm

1 stop34h 30m

$663

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 2/13

8:05 pm-11:22 pm

1 stop19h 17m

Denver Intl

Sat 2/21

12:20 pm-4:30 pm

1 stop36h 10m

$673

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/2

6:50 pm-9:51 pm

1 stop19h 01m

Denver Intl

Wed 2/4

3:08 pm-4:45 pm

2 stops33h 37m

$706

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/10

2:30 pm-6:24 pm

1 stop18h 54m

Denver Intl

Thu 11/20

6:15 am-4:30 pm

1 stop18h 15m

$718

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 8/29

8:25 pm-11:49 pm

1 stop18h 24m

Denver Intl

Mon 9/29

6:55 am-4:40 pm

1 stop18h 45m

$745

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Thu 2/12

6:50 pm-8:13 pm

1 stop17h 23m

Colorado Springs

Mon 2/16

5:06 pm-4:45 pm

1 stop31h 39m

$1,354

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 November is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $864. The month of March is another great option to travel to Colorado, with average flight prices from South Korea averaging around $889.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from South Korea to Colorado is on a Sunday when prices can be found for as low as $868. On the other hand, Tuesday is the most expensive day to depart from South Korea because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,255.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $1,032. In the evening is when there is more demand to fly to Colorado, so prices are often more expensive at around $1,439 per ticket.

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 $1,057 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 $772 on momondo.

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

You could potentially save up to 17% 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	$422
Fastest flight time	14h 44m
Direct flights	None
Airports in Colorado	2 airports

The best one-way flight to Colorado from South Korea in the past 72 hours is $422. The best round-trip flight deal from South Korea to Colorado found on momondo in the last 72 hours is $605.

The fastest flight from South Korea to Colorado takes 14h 44m

There are no direct flights from South Korea to Colorado. Popular non-direct routes for this connection are Incheon Intl Airport - Denver Intl Airport, Incheon Intl Airport - Colorado Springs Airport and Seoul Gimpo Intl Airport - Denver Intl Airport.

There are 2 airports near Colorado: Colorado Springs (COS), Denver Intl (DEN)

Search flight deals

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 2025, there are 6 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
Air Canada	PriceFrom $686	Free Cancellation	Rating 7.1 9,992 reviews	Search Air Canada flights
Delta	PriceFrom $755	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $757	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Korean Air	PriceFrom $783	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $800	Free Cancellation	Rating 8.2 474 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $802	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines 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.

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Cheap flights from South Korea to Colorado from $422

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Colorado departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from South Korea to Colorado

Recent round-trip flight deals from South Korea to Colorado

Recent one-way flight deals from South Korea to Colorado

Recent last minute flight deals from South Korea to Colorado

Air Canada flights from South Korea to Colorado

Our best Air Canada deals on South Korea to Colorado flight tickets

Delta flights from South Korea to Colorado

Our best Delta deals on South Korea to Colorado flight tickets

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

See travel insights to Colorado from

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

What is the cheapest month to fly to Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $864. The month of March is another great option to travel to Colorado, with average flight prices from South Korea averaging around $889.

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $1,032. In the evening is when there is more demand to fly to Colorado, so prices are often more expensive at around $1,439 per ticket.

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

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

You could potentially save up to 17% on your flight if you consider stops on a South Korea to Colorado flight.

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

Air Canada, Hawaiian Airlines, and Delta are the most popular carriers operating from South Korea to Colorado

What airlines fly to Colorado?

How long is the flight from South Korea to Colorado?

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

Fastest flight time

Direct flights

Airports in Colorado

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

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

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

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

Best airlines flying from South Korea to Colorado

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

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo