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Cheap flights from Colorado to Seoul from $371

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 3/3. 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
9:30 pm - 3:45 pm
DEN
-
ICN
27h 15m
1 stop
Multiple Airlines Logo
6:20 pm - 9:42 am
ICN
-
DEN
30h 22m
1 stop
$736Multiple Airlines
Tue, Apr 21 - Mon, May 4
Multiple Airlines Logo
9:30 pm - 3:45 pm
DEN
-
ICN
27h 15m
1 stop
Multiple Airlines Logo
6:20 pm - 9:42 am
ICN
-
DEN
30h 22m
1 stop
$741Multiple Airlines
Sat, Apr 25 - Mon, May 4
Multiple Airlines Logo
9:30 pm - 3:45 pm
DEN
-
ICN
27h 15m
1 stop
Multiple Airlines Logo
6:20 pm - 9:42 am
ICN
-
DEN
30h 22m
1 stop
$743Multiple Airlines
Tue, Apr 21 - Fri, May 8
Multiple Airlines Logo
9:49 am - 3:45 pm
DEN
-
ICN
38h 56m
1 stop
Multiple Airlines Logo
6:20 pm - 10:05 am
ICN
-
DEN
54h 45m
2 stops
$748Multiple Airlines
Sat, Apr 18 - Sat, May 9
Multiple Airlines Logo
9:30 pm - 3:45 pm
DEN
-
ICN
27h 15m
1 stop
Multiple Airlines Logo
6:20 pm - 9:42 am
ICN
-
DEN
30h 22m
1 stop
$749Multiple Airlines
Sat, Apr 25 - Fri, May 8
United Airlines Logo
8:45 am - 5:40 am
COS
-
ICN
28h 55m
2 stops
United Airlines Logo
12:45 pm - 4:30 pm
ICN
-
COS
19h 45m
2 stops
$1,088United Airlines
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
11:35 am - 5:40 am
COS
-
ICN
26h 05m
2 stops
United Airlines Logo
12:45 pm - 4:30 pm
ICN
-
COS
19h 45m
2 stops
$1,138United Airlines
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
5:13 pm - 4:05 pm
COS
-
ICN
31h 52m
2 stops
Air Canada Logo
5:45 pm - 2:36 pm
ICN
-
COS
35h 51m
2 stops
$1,493Air Canada
Wed, Apr 1 - Mon, Apr 6
American Airlines Logo
5:41 am - 3:45 pm
COS
-
ICN
19h 04m
1 stop
American Airlines Logo
5:40 pm - 7:48 pm
ICN
-
COS
17h 08m
1 stop
$1,771American Airlines
Fri, Apr 17 - Sat, Apr 25
American Airlines Logo
5:41 am - 3:45 pm
COS
-
ICN
19h 04m
1 stop
American Airlines Logo
5:40 pm - 7:48 pm
ICN
-
COS
17h 08m
1 stop
$1,821American Airlines
Fri, Apr 17 - Sat, Apr 25

United Airlines flights from Colorado to Incheon Intl Airport

Our best United Airlines deals on Colorado to Incheon Intl Airport flight tickets
United Airlines
Feb 18
COS8:45 amColorado Springs
28h 55m
2 stops
ICN5:40 amIncheon Intl
Feb 22
ICN12:45 pmIncheon Intl
19h 45m
2 stops
COS4:30 pmColorado Springs
$1,088
United Airlines
Feb 18
COS11:35 amColorado Springs
26h 05m
2 stops
ICN5:40 amIncheon Intl
Feb 22
ICN12:45 pmIncheon Intl
19h 45m
2 stops
COS4:30 pmColorado Springs
$1,138
United Airlines
Apr 1
COS6:00 amColorado Springs
31h 20m
2 stops
ICN4:20 amIncheon Intl
Apr 6
ICN4:50 pmIncheon Intl
33h 15m
2 stops
COS11:05 amColorado Springs
$1,365

Korean Air flights from Colorado to Incheon Intl Airport

Our best Korean Air deals on Colorado to Incheon Intl Airport flight tickets
Korean Air
Feb 18
COS1:22 pmColorado Springs
24h 23m
1 stop
ICN5:45 amIncheon Intl
Feb 22
ICN7:25 pmIncheon Intl
33h 00m
1 stop
COS12:25 pmColorado Springs
$13,290
Korean Air
Mar 24
COS6:20 amColorado Springs
20h 25m
1 stop
ICN5:45 pmIncheon Intl
Mar 31
ICN10:45 amIncheon Intl
24h 43m
1 stop
COS8:28 pmColorado Springs
$25,255

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 February 7, 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

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 4/21

9:30 pm-3:45 pm

1 stop27h 15m

Incheon Intl

Mon 5/4

6:20 pm-9:42 am

1 stop30h 22m

$736

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 4/25

9:30 pm-3:45 pm

1 stop27h 15m

Incheon Intl

Mon 5/4

6:20 pm-9:42 am

1 stop30h 22m

$741

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 4/21

9:30 pm-3:45 pm

1 stop27h 15m

Incheon Intl

Fri 5/8

6:20 pm-9:42 am

1 stop30h 22m

$743

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 4/18

9:49 am-3:45 pm

1 stop38h 56m

Incheon Intl

Sat 5/9

6:20 pm-10:05 am

2 stops54h 45m

$748

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 4/25

9:30 pm-3:45 pm

1 stop27h 15m

Incheon Intl

Fri 5/8

6:20 pm-9:42 am

1 stop30h 22m

$749

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 2/18

8:45 am-5:40 am

2 stops28h 55m

Incheon Intl

Sun 2/22

12:45 pm-4:30 pm

2 stops19h 45m

$1,088

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 2/18

11:35 am-5:40 am

2 stops26h 05m

Incheon Intl

Sun 2/22

12:45 pm-4:30 pm

2 stops19h 45m

$1,138

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 4/1

5:13 pm-4:05 pm

2 stops31h 52m

Incheon Intl

Mon 4/6

5:45 pm-2:36 pm

2 stops35h 51m

$1,493

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 4/17

5:41 am-3:45 pm

1 stop19h 04m

Incheon Intl

Sat 4/25

5:40 pm-7:48 pm

1 stop17h 08m

$1,771

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Fri 4/17

5:41 am-3:45 pm

1 stop19h 04m

Incheon Intl

Sat 4/25

5:40 pm-7:48 pm

1 stop17h 08m

$1,821

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 $1,010, 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 November is also very affordable. Most momondo users find prices during this month for around $1,088.

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 $1,251 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 $1,019 on momondo.

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

You could potentially save up to 24% 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

17h 25m

Direct flights

None
The fastest flight from Colorado to Incheon Intl Airport takes 17h 25m
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 $54Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
United AirlinesPriceFrom $187Free CancellationRating
7.4
9,246 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,164 reviews
Search Delta flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.3
78 reviews
Search AIR PREMIA flights
Korean AirPriceFrom $586Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $740Free CancellationRating
8.1
503 reviews
Search Asiana Airlines flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
American AirlinesPriceFrom $816Free CancellationRating
7.2
11,247 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $859Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $975Free CancellationRating
7.1
10,697 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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