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Cheap flights from Colorado to Seoul from $425

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:25 pm - 8:10 pm
DEN
-
ICN
31h 45m
1 stop
Multiple Airlines Logo
7:10 am - 9:52 am
ICN
-
DEN
41h 42m
2 stops
$887Multiple Airlines
Tue, Apr 28 - Tue, May 12
Multiple Airlines Logo
10:29 pm - 3:50 pm
DEN
-
ICN
26h 21m
1 stop
Multiple Airlines Logo
11:20 am - 9:52 am
ICN
-
DEN
37h 32m
2 stops
$902Multiple Airlines
Fri, Apr 24 - Mon, May 11
Multiple Airlines Logo
6:00 am - 3:50 pm
DEN
-
ICN
18h 50m
1 stop
Multiple Airlines Logo
3:00 pm - 9:52 am
ICN
-
DEN
57h 52m
2 stops
$906Multiple Airlines
Mon, Apr 20 - Mon, May 4
Multiple Airlines Logo
6:00 am - 3:50 pm
DEN
-
ICN
18h 50m
1 stop
Multiple Airlines Logo
12:55 pm - 12:38 am
ICN
-
DEN
26h 43m
2 stops
$914Multiple Airlines
Mon, Apr 27 - Thu, May 14
Multiple Airlines Logo
6:00 am - 3:50 pm
DEN
-
ICN
18h 50m
1 stop
Multiple Airlines Logo
6:00 pm - 9:52 am
ICN
-
DEN
30h 52m
1 stop
$922Multiple Airlines
Mon, Apr 27 - Fri, May 8
American Airlines Logo
5:39 am - 3:45 pm
COS
-
ICN
19h 06m
1 stop
American Airlines Logo
6:35 pm - 8:27 pm
ICN
-
COS
17h 52m
1 stop
$1,068American Airlines
Mon, Sep 21 - Tue, Nov 17
American Airlines Logo
5:39 am - 3:45 pm
COS
-
ICN
19h 06m
1 stop
American Airlines Logo
6:35 pm - 12:06 pm
ICN
-
COS
33h 31m
2 stops
$1,073American Airlines
Mon, Sep 21 - Tue, Nov 17
Japan Airlines Logo
12:22 pm - 3:45 pm
COS
-
ICN
36h 23m
2 stops
Japan Airlines Logo
5:50 pm - 11:40 am
ICN
-
COS
32h 50m
2 stops
$1,272Japan Airlines
Tue, Apr 14 - Tue, Jun 2
United Airlines Logo
1:33 pm - 4:20 am
COS
-
ICN
23h 47m
2 stops
United Airlines Logo
11:30 am - 11:05 am
ICN
-
COS
38h 35m
2 stops
$1,302United Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
11:31 am - 4:20 am
COS
-
ICN
25h 49m
2 stops
United Airlines Logo
4:50 pm - 8:44 pm
ICN
-
COS
18h 54m
2 stops
$1,377United Airlines
Sun, Aug 30 - Thu, Sep 3

KLM flights from Colorado to Incheon Intl Airport

Our best KLM deals on Colorado to Incheon Intl Airport flight tickets
KLM
Jul 20
COS11:10 amColorado Springs
38h 15m
2 stops
ICN4:25 pmIncheon Intl
Aug 16
ICN11:55 amIncheon Intl
48h 20m
2 stops
COS9:15 pmColorado Springs
$2,244
KLM
Jul 20
COS2:25 pmColorado Springs
35h 00m
2 stops
ICN4:25 pmIncheon Intl
Aug 16
ICN11:55 amIncheon Intl
48h 20m
2 stops
COS9:15 pmColorado Springs
$2,257

United Airlines flights from Colorado to Incheon Intl Airport

Our best United Airlines deals on Colorado to Incheon Intl Airport flight tickets
United Airlines
Apr 20
COS1:33 pmColorado Springs
23h 47m
2 stops
ICN4:20 amIncheon Intl
Apr 27
ICN11:30 amIncheon Intl
38h 35m
2 stops
COS11:05 amColorado Springs
$1,302
United Airlines
Aug 30
COS5:05 pmColorado Springs
20h 15m
2 stops
ICN4:20 amIncheon Intl
Sep 3
ICN4:50 pmIncheon Intl
19h 34m
2 stops
COS9:24 pmColorado Springs
$1,377
United Airlines
Apr 23
COS3:26 pmColorado Springs
21h 54m
2 stops
ICN4:20 amIncheon Intl
Apr 30
ICN4:50 pmIncheon Intl
30h 57m
2 stops
COS8:47 amColorado Springs
$1,388

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Incheon Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 26, 2026.
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 - ICN

DENICN

Denver Intl

Tue 4/28

9:25 pm-8:10 pm

1 stop31h 45m

Incheon Intl

Tue 5/12

7:10 am-9:52 am

2 stops41h 42m

$887

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 4/24

10:29 pm-3:50 pm

1 stop26h 21m

Incheon Intl

Mon 5/11

11:20 am-9:52 am

2 stops37h 32m

$902

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 4/20

6:00 am-3:50 pm

1 stop18h 50m

Incheon Intl

Mon 5/4

3:00 pm-9:52 am

2 stops57h 52m

$906

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 4/27

6:00 am-3:50 pm

1 stop18h 50m

Incheon Intl

Thu 5/14

12:55 pm-12:38 am

2 stops26h 43m

$914

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 4/27

6:00 am-3:50 pm

1 stop18h 50m

Incheon Intl

Fri 5/8

6:00 pm-9:52 am

1 stop30h 52m

$922
Quickest round-trip

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 9/21

5:39 am-3:45 pm

1 stop19h 06m

Incheon Intl

Tue 11/17

6:35 pm-8:27 pm

1 stop17h 52m

$1,068

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 9/21

5:39 am-3:45 pm

1 stop19h 06m

Incheon Intl

Tue 11/17

6:35 pm-12:06 pm

2 stops33h 31m

$1,073

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 4/14

12:22 pm-3:45 pm

2 stops36h 23m

Incheon Intl

Tue 6/2

5:50 pm-11:40 am

2 stops32h 50m

$1,272

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 4/20

1:33 pm-4:20 am

2 stops23h 47m

Incheon Intl

Mon 4/27

11:30 am-11:05 am

2 stops38h 35m

$1,302

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 8/30

11:31 am-4:20 am

2 stops25h 49m

Incheon Intl

Thu 9/3

4:50 pm-8:44 pm

2 stops18h 54m

$1,377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

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

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 $990, 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 January is also very affordable. Most momondo users find prices during this month for around $1,001.

How far in advance should I book a flight 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 $1,225 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 $920 on momondo.

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

You could potentially save up to 25% 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

Fastest flight time

18h 45m

Direct flights

None
The fastest flight from Colorado to Incheon Intl Airport takes 18h 45m
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

  • 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?

  • 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
FrontierPriceFrom $88Free CancellationRating
5.7
3,015 reviews
Search Frontier flights
United AirlinesPriceFrom $187Free CancellationRating
7.4
9,489 reviews
Search United Airlines flights
DeltaPriceFrom $474Free CancellationRating
7.9
8,336 reviews
Search Delta flights
Korean AirPriceFrom $559Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.2
83 reviews
Search AIR PREMIA flights
WestJetPriceFrom $701Free CancellationRating
7.2
3,303 reviews
Search WestJet flights
Asiana AirlinesPriceFrom $740Free CancellationRating
8.1
506 reviews
Search Asiana Airlines flights
American AirlinesPriceFrom $816Free CancellationRating
7.1
11,497 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $870Free CancellationRating
7.4
4,281 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $870Free CancellationRating
7.1
10,843 reviews
Search Air Canada flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
Anyang

Why use momondo?

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

Finding the right flight to Seoul from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

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.

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

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.

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

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.

An easier way to manage your Incheon Intl Airport trip

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