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

American Airlines is the most popular carrier operating from South Korea to Colorado

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 19h 13m on average. Another popular route from South Korea to Colorado is flying from Seoul to Denver, which will take roughly 22h 45m. 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 44% 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 May 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.

$543 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.

5:45 pm - 5:13 pm

ICN

DEN

14h 28m

1 stop

7:50 pm - 4:05 pm

DEN

ICN

29h 15m

1 stop

$1,130Air Canada

Mon, Jul 6 - Mon, Jul 20

5:45 pm - 11:12 pm

ICN

DEN

20h 27m

1 stop

9:10 am - 4:05 pm

DEN

ICN

15h 55m

1 stop

$1,131Air Canada

Mon, Jul 6 - Mon, Jul 20

9:15 am - 5:00 pm

GMP

DEN

22h 45m

2 stops

9:10 am - 9:25 pm

DEN

GMP

21h 15m

2 stops

$1,415Multiple Airlines

Mon, Jun 8 - Sun, Jul 5

9:15 am - 5:00 pm

GMP

DEN

22h 45m

2 stops

9:10 am - 9:25 pm

DEN

GMP

21h 15m

2 stops

$1,425Multiple Airlines

Mon, Jun 8 - Sun, Jul 5

12:40 pm - 11:38 pm

GMP

DEN

25h 58m

2 stops

1:26 pm - 6:35 pm

DEN

GMP

38h 09m

2 stops

$1,449ANA

Mon, Jul 6 - Wed, Jul 15

12:40 pm - 11:38 pm

GMP

DEN

25h 58m

2 stops

1:26 pm - 11:05 am

DEN

GMP

30h 39m

2 stops

$1,479ANA

Thu, Jun 18 - Thu, Jun 25

11:45 am - 9:58 pm

ICN

COS

25h 13m

2 stops

12:50 pm - 4:40 am

COS

ICN

24h 50m

2 stops

$1,493United Airlines

Mon, Oct 26 - Wed, Oct 28

11:45 am - 9:58 pm

ICN

COS

25h 13m

2 stops

1:50 pm - 4:40 am

COS

ICN

23h 50m

2 stops

$1,495United Airlines

Mon, Oct 26 - Wed, Oct 28

6:35 pm - 2:45 pm

ICN

COS

35h 10m

1 stop

12:26 pm - 4:25 pm

COS

ICN

36h 59m

2 stops

$1,711American Airlines

Mon, Oct 26 - Wed, Oct 28

6:35 pm - 2:45 pm

ICN

COS

35h 10m

1 stop

12:26 pm - 4:25 pm

COS

ICN

36h 59m

2 stops

$1,713American Airlines

Mon, Oct 26 - Wed, Oct 28

Air Canada flights from South Korea to Colorado

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

Air Canada

Jul 6

ICN5:45 pmIncheon Intl

14h 28m

1 stop

DEN5:13 pmDenver Intl

Jul 20

DEN7:50 pmDenver Intl

29h 15m

1 stop

ICN4:05 pmIncheon Intl

$1,130

Air Canada

Jul 6

ICN5:45 pmIncheon Intl

20h 27m

1 stop

DEN11:12 pmDenver Intl

Jul 20

DEN9:10 amDenver Intl

15h 55m

1 stop

ICN4:05 pmIncheon Intl

$1,131

Air Canada

Jun 30

ICN5:45 pmIncheon Intl

15h 30m

1 stop

DEN6:15 pmDenver Intl

Jul 5

DEN7:50 pmDenver Intl

29h 15m

1 stop

ICN4:05 pmIncheon Intl

$1,133

WestJet flights from South Korea to Colorado

Our best WestJet deals on South Korea to Colorado flight tickets

WestJet

Jun 5

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

Sep 3

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

$1,278

WestJet

Jun 5

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

Sep 3

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

$1,280

WestJet

Jul 9

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

Jul 22

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

$1,285

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 7/6

5:45 pm-5:13 pm

1 stop14h 28m

Denver Intl

Mon 7/20

7:50 pm-4:05 pm

1 stop29h 15m

$1,130

Quickest round-trip

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 7/6

5:45 pm-11:12 pm

1 stop20h 27m

Denver Intl

Mon 7/20

9:10 am-4:05 pm

1 stop15h 55m

$1,131

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Mon 6/8

9:15 am-5:00 pm

2 stops22h 45m

Denver Intl

Sun 7/5

9:10 am-9:25 pm

2 stops21h 15m

$1,415

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Mon 6/8

9:15 am-5:00 pm

2 stops22h 45m

Denver Intl

Sun 7/5

9:10 am-9:25 pm

2 stops21h 15m

$1,425

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Mon 7/6

12:40 pm-11:38 pm

2 stops25h 58m

Denver Intl

Wed 7/15

1:26 pm-6:35 pm

2 stops38h 09m

$1,449

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Thu 6/18

12:40 pm-11:38 pm

2 stops25h 58m

Denver Intl

Thu 6/25

1:26 pm-11:05 am

2 stops30h 39m

$1,479

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Mon 10/26

11:45 am-9:58 pm

2 stops25h 13m

Colorado Springs

Wed 10/28

12:50 pm-4:40 am

2 stops24h 50m

$1,493

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Mon 10/26

11:45 am-9:58 pm

2 stops25h 13m

Colorado Springs

Wed 10/28

1:50 pm-4:40 am

2 stops23h 50m

$1,495

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Mon 10/26

6:35 pm-2:45 pm

1 stop35h 10m

Colorado Springs

Wed 10/28

12:26 pm-4:25 pm

2 stops36h 59m

$1,711

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Mon 10/26

6:35 pm-2:45 pm

1 stop35h 10m

Colorado Springs

Wed 10/28

12:26 pm-4:25 pm

2 stops36h 59m

$1,713

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 March is, on average, the cheapest month to fly to Colorado from South Korea, with most prices found around $146. The month of July is another great option to travel to Colorado, with average flight prices from South Korea averaging around $247.

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 $876 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	19h 13m
Direct flights	None

The fastest flight from South Korea to Colorado takes 19h 13m

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 May 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 9,751 reviews	Search United Airlines flights
Delta	PriceFrom $620	Free Cancellation	Rating 7.9 8,449 reviews	Search Delta flights
Air Canada	PriceFrom $686	Free Cancellation	Rating 7.1 11,075 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $688	Free Cancellation	Rating 8.1 534 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $695	Free Cancellation	Rating 8.4 1,217 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.