What is the cheapest airline that flies from Incheon Intl to Colorado?

Delta is the most popular carrier operating from Incheon Intl to Colorado

What airlines fly to Colorado?

Korean Air, Asiana Airlines and Delta are the top three most popular airlines that fly to Colorado from Incheon Intl Airport according to our data. Korean Air is the first choice among our users, with 46% 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 Incheon Intl Airport to Colorado?

Prices for flights from Incheon Intl Airport to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Incheon Intl Airport to Colorado?

There are 5 operators available for flights from Incheon Intl Airport to Colorado as of July 2026.

How old do you have to be to fly from Incheon Intl Airport to Colorado?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport 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.

$393 Cheap Flights from Incheon Intl Airport to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Incheon Intl Airport to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 9:40 am

ICN

DEN

29h 25m

2 stops

9:47 am - 9:40 pm

DEN

ICN

20h 53m

1 stop

$852Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

7:15 pm - 9:41 am

ICN

DEN

29h 26m

1 stop

3:09 pm - 9:40 pm

DEN

ICN

39h 31m

1 stop

$853Multiple Airlines

Sun, Sep 13 - Sat, Sep 26

7:15 pm - 11:10 pm

ICN

DEN

18h 55m

1 stop

7:00 am - 9:40 pm

DEN

ICN

23h 40m

2 stops

$865Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

10:05 pm - 10:03 am

ICN

DEN

26h 58m

1 stop

9:45 am - 9:40 pm

DEN

ICN

20h 55m

1 stop

$868Multiple Airlines

Wed, Aug 26 - Wed, Sep 2

7:15 pm - 2:37 pm

ICN

DEN

34h 22m

2 stops

9:47 am - 9:40 pm

DEN

ICN

20h 53m

1 stop

$870Multiple Airlines

Wed, Sep 16 - Mon, Sep 28

6:30 pm - 11:18 am

ICN

COS

32h 48m

2 stops

12:50 pm - 5:40 am

COS

ICN

24h 50m

2 stops

$1,181United Airlines

Wed, Dec 2 - Sun, Dec 6

6:00 pm - 9:05 am

ICN

COS

31h 05m

2 stops

5:13 pm - 5:40 am

COS

ICN

20h 27m

2 stops

$1,275United Airlines

Wed, Dec 2 - Sun, Dec 6

6:50 pm - 8:37 pm

ICN

COS

17h 47m

1 stop

12:46 pm - 4:25 pm

COS

ICN

35h 39m

2 stops

$1,519American Airlines

Wed, Dec 2 - Sun, Dec 6

6:50 pm - 8:37 pm

ICN

COS

17h 47m

1 stop

12:46 pm - 4:25 pm

COS

ICN

35h 39m

2 stops

$1,521American Airlines

Wed, Dec 2 - Sun, Dec 6

7:00 pm - 5:36 pm

ICN

COS

37h 36m

2 stops

6:16 pm - 3:20 pm

COS

ICN

30h 04m

1 stop

$1,669Delta

Tue, Aug 4 - Tue, Aug 11

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WestJet flights from Incheon Intl Airport to Colorado

Our best WestJet deals on Incheon Intl Airport to Colorado flight tickets

WestJet

Jul 21

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

Aug 9

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

$1,197

WestJet

Jul 18

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

Aug 9

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

$1,294

Air Canada flights from Incheon Intl Airport to Colorado

Our best Air Canada deals on Incheon Intl Airport to Colorado flight tickets

Air Canada

Oct 20

ICN5:45 pmIncheon Intl

20h 23m

1 stop

DEN11:08 pmDenver Intl

Oct 25

DEN11:49 amDenver Intl

37h 21m

1 stop

ICN4:10 pmIncheon Intl

$997

Air Canada

Jul 17

ICN5:45 pmIncheon Intl

30h 00m

2 stops

DEN8:45 amDenver Intl

Aug 5

DEN7:45 pmDenver Intl

29h 20m

1 stop

ICN4:05 pmIncheon Intl

$1,266

Air Canada

Jul 17

ICN5:45 pmIncheon Intl

30h 00m

2 stops

DEN8:45 amDenver Intl

Aug 8

DEN7:50 pmDenver Intl

29h 15m

1 stop

ICN4:05 pmIncheon Intl

$1,313

momondo Fare Finder

Use the filters below to find and compare flights from Incheon Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 9/14

7:15 pm-9:40 am

2 stops29h 25m

Denver Intl

Mon 9/28

9:47 am-9:40 pm

1 stop20h 53m

$852

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sun 9/13

7:15 pm-9:41 am

1 stop29h 26m

Denver Intl

Sat 9/26

3:09 pm-9:40 pm

1 stop39h 31m

$853

Quickest round-trip

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 8/24

7:15 pm-11:10 pm

1 stop18h 55m

Denver Intl

Mon 8/31

7:00 am-9:40 pm

2 stops23h 40m

$865

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 8/26

10:05 pm-10:03 am

1 stop26h 58m

Denver Intl

Wed 9/2

9:45 am-9:40 pm

1 stop20h 55m

$868

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 9/16

7:15 pm-2:37 pm

2 stops34h 22m

Denver Intl

Mon 9/28

9:47 am-9:40 pm

1 stop20h 53m

$870

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 12/2

6:30 pm-11:18 am

2 stops32h 48m

Colorado Springs

Sun 12/6

12:50 pm-5:40 am

2 stops24h 50m

$1,181

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 12/2

6:00 pm-9:05 am

2 stops31h 05m

Colorado Springs

Sun 12/6

5:13 pm-5:40 am

2 stops20h 27m

$1,275

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 12/2

6:50 pm-8:37 pm

1 stop17h 47m

Colorado Springs

Sun 12/6

12:46 pm-4:25 pm

2 stops35h 39m

$1,519

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 12/2

6:50 pm-8:37 pm

1 stop17h 47m

Colorado Springs

Sun 12/6

12:46 pm-4:25 pm

2 stops35h 39m

$1,521

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Tue 8/4

7:00 pm-5:36 pm

2 stops37h 36m

Colorado Springs

Tue 8/11

6:16 pm-3:20 pm

1 stop30h 04m

$1,669

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 Incheon Intl Airport 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

What is the cheapest month to fly to Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from Incheon Intl Airport, with most prices found around $449. The month of December is another great option to travel to Colorado, with average flight prices from Incheon Intl Airport averaging around $589.

Cheap Incheon Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Colorado

Fastest flight time	16h 22m
Direct flights	None

The fastest flight from Incheon Intl Airport to Colorado takes 16h 22m

There are no direct flights from Incheon Intl Airport to Colorado. There are no popular flight routes from Incheon Intl Airport to Colorado.

Search flight deals

Frequently asked questions about flying from Incheon Intl Airport to Colorado

When did momondo last update prices for flights from Incheon Intl Airport to Colorado?
Prices for flights from Incheon Intl Airport to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Incheon Intl Airport to Colorado?
There are 5 operators available for flights from Incheon Intl Airport to Colorado as of July 2026.
How old do you have to be to fly from Incheon Intl Airport to Colorado?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport 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 Incheon Intl Airport to Colorado

Compare and see reviews for airlines that fly from Incheon Intl Airport to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $459	Free Cancellation	Rating 7.8 8,473 reviews	Search Delta flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,988 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $688	Free Cancellation	Rating 8.1 552 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 11,341 reviews	Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Seoul.

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

Flights from Seoul to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Colorado?

Once you have performed a search for Seoul to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Seoul to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.