What airlines fly to Colorado?

Korean Air, Delta and Asiana Airlines 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 43% 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.

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

WestJet, Alaska Airlines, and Qatar Airways are the most popular carriers operating from Incheon Intl 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 May 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.

$561 Cheap Flights from Incheon Intl Airport to Colorado in 2026

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Find the cheapest flights from Incheon Intl Airport to Colorado

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 5:13 pm

ICN

DEN

14h 28m

1 stop

9:10 am - 4:05 pm

DEN

ICN

15h 55m

1 stop

$1,136Air Canada

Mon, Jul 6 - Mon, Jul 20

5:45 pm - 5:13 pm

ICN

DEN

14h 28m

1 stop

7:50 pm - 4:05 pm

DEN

ICN

29h 15m

1 stop

$1,141Air Canada

Mon, Jul 6 - Mon, Jul 20

5:45 pm - 11:10 pm

ICN

DEN

20h 25m

1 stop

9:10 am - 4:05 pm

DEN

ICN

15h 55m

1 stop

$1,142Air Canada

Fri, Jun 12 - Fri, Jun 19

12:55 pm - 9:52 am

ICN

DEN

35h 57m

2 stops

10:29 pm - 8:10 pm

DEN

ICN

30h 41m

1 stop

$1,144Multiple Airlines

Fri, May 29 - Thu, Jul 9

8:45 pm - 11:20 am

ICN

DEN

29h 35m

1 stop

12:15 pm - 6:45 pm

DEN

ICN

15h 30m

1 stop

$1,184WestJet

Fri, Jun 5 - Thu, Sep 3

11:20 am - 10:59 pm

ICN

DEN

26h 39m

2 stops

10:29 pm - 3:50 pm

DEN

ICN

26h 21m

1 stop

$1,186Multiple Airlines

Sat, Sep 12 - Mon, Sep 28

5:30 pm - 11:18 am

ICN

COS

32h 48m

2 stops

6:00 am - 4:15 pm

COS

ICN

18h 15m

2 stops

$1,501United Airlines

Fri, Oct 30 - Tue, Nov 3

6:00 pm - 9:05 am

ICN

COS

30h 05m

2 stops

5:13 pm - 5:40 am

COS

ICN

20h 27m

2 stops

$1,508United Airlines

Fri, Oct 30 - Tue, Nov 3

6:35 pm - 10:57 pm

ICN

COS

19h 22m

1 stop

12:36 pm - 4:25 pm

COS

ICN

35h 49m

2 stops

$1,778American Airlines

Fri, Oct 30 - Tue, Nov 3

6:35 pm - 10:57 pm

ICN

COS

19h 22m

1 stop

12:36 pm - 4:25 pm

COS

ICN

35h 49m

2 stops

$1,787American Airlines

Fri, Oct 30 - Tue, Nov 3

Air Canada flights from Incheon Intl Airport to Colorado

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

Air Canada

Jul 6

ICN5:45 pmIncheon Intl

14h 28m

1 stop

DEN5:13 pmDenver Intl

Jul 20

DEN9:10 amDenver Intl

15h 55m

1 stop

ICN4:05 pmIncheon Intl

$1,136

Air Canada

Jul 6

ICN5:45 pmIncheon Intl

14h 28m

1 stop

DEN5:13 pmDenver Intl

Jul 20

DEN9:10 amDenver Intl

15h 55m

1 stop

ICN4:05 pmIncheon Intl

$1,137

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

$1,141

United Airlines flights from Incheon Intl Airport to Colorado

Our best United Airlines deals on Incheon Intl Airport to Colorado flight tickets

United Airlines

Oct 30

ICN5:30 pmIncheon Intl

32h 48m

2 stops

COS11:18 amColorado Springs

Nov 3

COS6:00 amColorado Springs

18h 15m

2 stops

ICN4:15 pmIncheon Intl

$1,501

United Airlines

Oct 30

ICN6:00 pmIncheon Intl

30h 05m

2 stops

COS9:05 amColorado Springs

Nov 3

COS5:13 pmColorado Springs

20h 27m

2 stops

ICN5:40 amIncheon Intl

$1,508

United Airlines

Oct 30

ICN5:30 pmIncheon Intl

32h 48m

2 stops

COS11:18 amColorado Springs

Nov 3

COS6:00 amColorado Springs

18h 15m

2 stops

ICN4:15 pmIncheon Intl

$1,509

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

Quickest 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

9:10 am-4:05 pm

1 stop15h 55m

$1,136

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

$1,141

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 6/12

5:45 pm-11:10 pm

1 stop20h 25m

Denver Intl

Fri 6/19

9:10 am-4:05 pm

1 stop15h 55m

$1,142

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 5/29

12:55 pm-9:52 am

2 stops35h 57m

Denver Intl

Thu 7/9

10:29 pm-8:10 pm

1 stop30h 41m

$1,144

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 6/5

8:45 pm-11:20 am

1 stop29h 35m

Denver Intl

Thu 9/3

12:15 pm-6:45 pm

1 stop15h 30m

$1,184

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sat 9/12

11:20 am-10:59 pm

2 stops26h 39m

Denver Intl

Mon 9/28

10:29 pm-3:50 pm

1 stop26h 21m

$1,186

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Fri 10/30

5:30 pm-11:18 am

2 stops32h 48m

Colorado Springs

Tue 11/3

6:00 am-4:15 pm

2 stops18h 15m

$1,501

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Fri 10/30

6:00 pm-9:05 am

2 stops30h 05m

Colorado Springs

Tue 11/3

5:13 pm-5:40 am

2 stops20h 27m

$1,508

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Fri 10/30

6:35 pm-10:57 pm

1 stop19h 22m

Colorado Springs

Tue 11/3

12:36 pm-4:25 pm

2 stops35h 49m

$1,778

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Fri 10/30

6:35 pm-10:57 pm

1 stop19h 22m

Colorado Springs

Tue 11/3

12:36 pm-4:25 pm

2 stops35h 49m

$1,787

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 July is, on average, the cheapest month to fly to Colorado from Incheon Intl Airport, with most prices found around $247. The month of November is another great option to travel to Colorado, with average flight prices from Incheon Intl Airport averaging around $449.

How far in advance should I book a flight from Incheon Intl Airport to Colorado?

You are more likely to see cheaper flights to Colorado from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $874 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Incheon Intl Airport for as low as $669 on momondo.

Can stopping save me money on Incheon Intl Airport to Colorado flights?

You could potentially save up to 51% on your flight if you consider stops on a Incheon Intl Airport to Colorado flight.

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 50m
Direct flights	None

The fastest flight from Incheon Intl Airport to Colorado takes 16h 50m

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 May 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
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,730 reviews	Search United Airlines flights
Delta	PriceFrom $620	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
Air Canada	PriceFrom $686	Free Cancellation	Rating 7.1 11,055 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 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.