What airlines fly to Incheon Intl Airport?

Air Canada, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Colorado according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 8 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

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

American Airlines is the most popular carrier operating from Colorado to Incheon Intl

How long does it take to fly to Incheon Intl Airport?

On average, it takes 16h 55m to fly from Colorado to Incheon Intl Airport if you fly out of Denver (the most popular airport in Colorado) and into Incheon Intl Airport (the most popular airport in Incheon Intl Airport). If you’re flying out of Colorado Springs and into Incheon Intl Airport, then the flight time is around 19h 11m.

When did momondo last update prices for flights from Colorado to Incheon Intl Airport?

Prices for flights from Colorado to Incheon Intl Airport refresh daily.

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

There are 8 operators available for flights from Colorado to Incheon Intl Airport as of November 2026.

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

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 Colorado to Incheon Intl Airport.

What documentation or ID do you need to fly to Incheon Intl Airport?

The necessary travel and health documents for your Incheon Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$391 Cheap Flights from Colorado to Incheon Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Seoul

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:39 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

21h 41m1 stop San Francisco

7:45 pm - 12:08 amICN Incheon Intl-DEN Denver Intl

20h 23m1 stop San Francisco

$769Multiple Airlines

Mon, Dec 7 - Mon, Dec 14

10:55 pm - 4:20 pmDEN Denver Intl-ICN Incheon Intl

25h 25m1 stop Ontario

1:20 pm - 7:45 pmICN Incheon Intl-DEN Denver Intl

22h 25m1 stop Los Angeles

$778Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

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

16h 55m1 stop Vancouver Intl

6:55 pm - 6:17 pmICN Incheon Intl-DEN Denver Intl

39h 22m1 stop Vancouver Intl

$1,048Air Canada

Fri, Feb 19 - Sun, Feb 28

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

16h 55m1 stop Vancouver Intl

6:55 pm - 6:17 pmICN Incheon Intl-DEN Denver Intl

39h 22m1 stop Vancouver Intl

$1,049Air Canada

Fri, Feb 19 - Sun, Feb 28

5:34 am - 4:45 pmCOS Colorado Springs-ICN Incheon Intl

19h 11m1 stop Dallas/Fort Worth

6:50 pm - 11:01 pmICN Incheon Intl-COS Colorado Springs

20h 11m1 stop Dallas/Fort Worth

$1,063American Airlines

Fri, Dec 4 - Fri, Dec 11

6:20 am - 4:45 pmDEN Denver Intl-ICN Incheon Intl

18h 25m1 stop Dallas/Fort Worth

6:50 pm - 11:45 pmICN Incheon Intl-DEN Denver Intl

20h 55m1 stop Dallas/Fort Worth

$1,063American Airlines

Wed, Nov 25 - Tue, Dec 22

12:15 pm - 6:45 pmDEN Denver Intl-ICN Incheon Intl

15h 30m1 stop Calgary

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,232WestJet

Mon, May 3 - Thu, May 13

12:15 pm - 6:45 pmDEN Denver Intl-ICN Incheon Intl

15h 30m1 stop Calgary

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,271WestJet

Mon, May 10 - Tue, Jun 1

7:00 pm - 4:05 pmDEN Denver Intl-ICN Incheon Intl

30h 05m1 stop Vancouver Intl

5:45 pm - 7:17 pmICN Incheon Intl-DEN Denver Intl

16h 32m1 stop Vancouver Intl

$1,316Asiana Airlines

Sun, Apr 4 - Tue, Apr 13

7:00 pm - 4:05 pmDEN Denver Intl-ICN Incheon Intl

30h 05m1 stop Vancouver Intl

5:45 pm - 6:20 pmICN Incheon Intl-DEN Denver Intl

15h 35m1 stop Vancouver Intl

$1,316Asiana Airlines

Sun, Apr 4 - Wed, Apr 14

Cheap last minute flights

Enter your travel dates to find the best prices.

6:46 pm - 12:45 pmDEN Denver Intl-ICN Incheon Intl

25h 59m2 stops Los Angeles Hong Kong Intl

3:00 pm - 10:00 pmICN Incheon Intl-DEN Denver Intl

23h 00m2 stops Hong Kong Intl Los Angeles

$1,152Multiple Airlines

Sun, Nov 15 - Mon, Nov 23

12:17 pm - 12:45 pmDEN Denver Intl-ICN Incheon Intl

32h 28m2 stops Los Angeles Hong Kong Intl

1:55 am - 10:09 pmICN Incheon Intl-DEN Denver Intl

36h 14m2 stops Hong Kong Intl Los Angeles

$1,184Cathay Pacific

Wed, Nov 11 - Sat, Nov 14

6:41 am - 4:45 pmDEN Denver Intl-ICN Incheon Intl

18h 04m1 stop Dallas/Fort Worth

6:50 pm - 11:59 pmICN Incheon Intl-DEN Denver Intl

21h 09m1 stop Dallas/Fort Worth

$1,203American Airlines

Sun, Nov 15 - Mon, Nov 23

7:09 am - 12:40 amDEN Denver Intl-ICN Incheon Intl

25h 31m2 stops Los Angeles Hong Kong Intl

1:55 am - 10:09 pmICN Incheon Intl-DEN Denver Intl

36h 14m2 stops Hong Kong Intl Los Angeles

$1,241Cathay Pacific

Tue, Nov 10 - Fri, Nov 13

6:41 am - 4:45 pmDEN Denver Intl-ICN Incheon Intl

18h 04m1 stop Dallas/Fort Worth

6:50 pm - 12:31 amICN Incheon Intl-DEN Denver Intl

21h 41m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,242American Airlines

Sun, Nov 15 - Mon, Nov 23

6:15 am - 4:20 pmDEN Denver Intl-ICN Incheon Intl

18h 05m1 stop Salt Lake City

6:45 pm - 5:37 pmICN Incheon Intl-DEN Denver Intl

14h 52m1 stop Seattle/Tacoma Intl

$4,898Delta

Sat, Nov 14 - Sat, Nov 21

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

16h 55m1 stop Vancouver Intl

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

15h 18m1 stop Vancouver Intl

$6,448Asiana Airlines

Wed, Nov 11 - Sun, Nov 15

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

16h 55m1 stop Vancouver Intl

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

15h 18m1 stop Vancouver Intl

$8,297Asiana Airlines

Wed, Nov 11 - Sat, Nov 14

7:00 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

30h 10m1 stop Vancouver Intl

8:05 pm - 10:35 amICN Incheon Intl-DEN Denver Intl

30h 30m1 stop Toronto Pearson Intl

$9,081Air Canada

Tue, Nov 10 - Sat, Nov 14

7:00 pm - 5:10 pmDEN Denver Intl-ICN Incheon Intl

30h 10m1 stop Vancouver Intl

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

15h 18m1 stop Vancouver Intl

$9,643Air Canada

Tue, Nov 10 - Tue, Nov 17

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American Airlines flights from Colorado to Incheon Intl Airport

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

American Airlines

Dec 4

COS5:34 amColorado Springs

19h 11m

1 stop

ICN4:45 pmIncheon Intl

Dec 11

ICN6:50 pmIncheon Intl

20h 11m

1 stop

COS11:01 pmColorado Springs

$1,063

American Airlines

Nov 16

DEN6:41 amDenver Intl

18h 04m

1 stop

ICN4:45 pmIncheon Intl

Dec 9

ICN6:50 pmIncheon Intl

21h 40m

2 stops

DEN12:30 amDenver Intl

$1,068

American Airlines

Nov 17

DEN6:41 amDenver Intl

18h 04m

1 stop

ICN4:45 pmIncheon Intl

Nov 27

ICN6:50 pmIncheon Intl

29h 22m

1 stop

DEN8:12 amDenver Intl

$1,069

United Airlines flights from Colorado to Incheon Intl Airport

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

United Airlines

Dec 21

COS8:00 amColorado Springs

29h 40m

2 stops

ICN5:40 amIncheon Intl

Dec 28

ICN12:45 pmIncheon Intl

24h 02m

2 stops

COS8:47 pmColorado Springs

$2,228

United Airlines

Dec 22

ASE6:23 pmAspen Pitkin County

29h 52m

2 stops

ICN4:15 pmIncheon Intl

Jan 3

ICN6:30 pmIncheon Intl

31h 24m

2 stops

ASE9:54 amAspen Pitkin County

$2,429

United Airlines

Dec 22

ASE7:11 pmAspen Pitkin County

29h 04m

1 stop

ICN4:15 pmIncheon Intl

Jan 3

ICN6:30 pmIncheon Intl

31h 24m

2 stops

ASE9:54 amAspen Pitkin County

$2,541

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 12/7

7:39 am-9:20 pm

1 stop21h 41m

Incheon Intl

Mon 12/14

7:45 pm-12:08 am

1 stop20h 23m

$769

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Thu 12/3

10:55 pm-4:20 pm

1 stop25h 25m

Incheon Intl

Thu 12/10

1:20 pm-7:45 pm

1 stop22h 25m

$778

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Fri 2/19

8:15 am-5:10 pm

1 stop16h 55m

Incheon Intl

Sun 2/28

6:55 pm-6:17 pm

1 stop39h 22m

$1,048

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Fri 2/19

8:15 am-5:10 pm

1 stop16h 55m

Incheon Intl

Sun 2/28

6:55 pm-6:17 pm

1 stop39h 22m

$1,049

Colorado SpringsIncheon

COS Colorado Springs - ICN Incheon Intl

COSICN

Colorado Springs

Fri 12/4

5:34 am-4:45 pm

1 stop19h 11m

Incheon Intl

Fri 12/11

6:50 pm-11:01 pm

1 stop20h 11m

$1,063

Quickest round-trip

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Wed 11/25

6:20 am-4:45 pm

1 stop18h 25m

Incheon Intl

Tue 12/22

6:50 pm-11:45 pm

1 stop20h 55m

$1,063

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 5/3

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Thu 5/13

8:45 pm-11:20 am

1 stop29h 35m

$1,232

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 5/10

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Tue 6/1

8:45 pm-11:20 am

1 stop29h 35m

$1,271

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Sun 4/4

7:00 pm-4:05 pm

1 stop30h 05m

Incheon Intl

Tue 4/13

5:45 pm-7:17 pm

1 stop16h 32m

$1,316

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Sun 4/4

7:00 pm-4:05 pm

1 stop30h 05m

Incheon Intl

Wed 4/14

5:45 pm-6:20 pm

1 stop15h 35m

$1,316

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 Colorado to Incheon Intl Airport

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 Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Colorado is in February. Flight prices, which tend to average around $1,036, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from Colorado during the month April is also very affordable. Most momondo users find prices during this month for around $1,145.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Colorado for as low as $1,117 on momondo.

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

You could potentially save up to 2% on your flight if you consider stops on a Colorado to Incheon Intl Airport flight.

Cheap Colorado to Incheon Intl Airport flight deals and tips

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

Best Price Found	$391
Fastest flight time	19h 15m
Direct flights	None

The best one-way flight to Incheon Intl Airport from Colorado in the past 72 hours is $391. The best round-trip flight deal from Colorado to Incheon Intl Airport found on momondo in the last 72 hours is $769.

The fastest flight from Colorado to Incheon Intl Airport takes 19h 15m

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

Search flight deals

Frequently asked questions about flying from Colorado to Incheon Intl Airport

When did momondo last update prices for flights from Colorado to Incheon Intl Airport?
Prices for flights from Colorado to Incheon Intl Airport refresh daily.
How many operators does momondo search for flights from Colorado to Incheon Intl Airport?
There are 8 operators available for flights from Colorado to Incheon Intl Airport as of November 2026.
How old do you have to be to fly from Colorado to Incheon Intl Airport?
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 Colorado to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The necessary travel and health documents for your Incheon Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Incheon Intl Airport

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $83	Free Cancellation	Rating 5.5 2,506 reviews	Search Frontier flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.3 10,479 reviews	Search United Airlines flights
Delta	PriceFrom $483	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Korean Air	PriceFrom $519	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.0 12,227 reviews	Search American Airlines flights
Air Canada	PriceFrom $843	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $999	Free Cancellation	Rating 8.1 570 reviews	Search Asiana Airlines flights
WestJet	PriceFrom $1,157	Free Cancellation	Rating 7.2 3,435 reviews	Search WestJet flights

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

Yes. momondo allows you to filter the results for Colorado to Seoul flights to just show those with flexible booking policies.

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Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Colorado.

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

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Flights to Seoul Gimpo Intl Airportfrom $725

Cheap flights from Colorado to Seoul from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Seoul departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Colorado to Incheon Intl Airport

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

United Airlines flights from Colorado to Incheon Intl Airport

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

momondo Fare Finder

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

See travel insights to Seoul from

How to get the cheapest flight ticket from Colorado to Incheon Intl Airport

What is the cheapest month to fly to Incheon Intl Airport?

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

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

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

What airlines fly to Incheon Intl Airport?

How long does it take to fly to Incheon Intl Airport?

Cheap Colorado to Incheon Intl Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Colorado to Incheon Intl Airport

Best airlines flying from Colorado to Incheon Intl Airport

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

Traveling to a place near Seoul?

Why use momondo?

An easier way to manage your Incheon Intl Airport 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 Seoul

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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