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Cheap flights from Colorado to Seoul from $375

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 11/15. 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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0 bags

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Cheap round-trip flights

Multiple Airlines Logo
8:00 am - 5:10 amDEN-ICN
29h 10m1 stop
Multiple Airlines Logo
6:55 pm - 7:08 pmICN-DEN
16h 13m1 stop
$785Multiple Airlines
Find Deal
Sun, Nov 2 - Mon, Nov 10
Multiple Airlines Logo
6:00 am - 4:50 amDEN-ICN
31h 50m1 stop
Multiple Airlines Logo
6:55 pm - 7:08 pmICN-DEN
15h 13m1 stop
$788Multiple Airlines
Find Deal
Mon, Oct 20 - Mon, Oct 27
Multiple Airlines Logo
10:55 pm - 3:45 pmDEN-ICN
25h 50m1 stop
Multiple Airlines Logo
7:35 am - 10:18 amICN-DEN
41h 43m2 stops
$795Multiple Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
United Airlines Logo
5:50 am - 4:15 pmCOS-ICN
18h 25m2 stops
United Airlines Logo
6:00 pm - 9:04 pmICN-COS
19h 04m2 stops
$897United Airlines
Find Deal
Mon, Feb 16 - Fri, Feb 20
Turkish Airlines Logo
8:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
10:45 am - 6:35 pmICN-DEN
46h 50m1 stop
$915Turkish Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
China Eastern Logo
6:15 am - 11:55 amDEN-ICN
38h 40m2 stops
China Eastern Logo
8:55 am - 6:31 pmICN-DEN
25h 36m2 stops
$918China Eastern
Find Deal
Fri, Oct 31 - Tue, Dec 2
Turkish Airlines Logo
8:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 6:35 pmICN-DEN
33h 25m1 stop
$924Turkish Airlines
Find Deal
Sat, Mar 14 - Thu, Mar 19
United Airlines Logo
12:54 pm - 5:40 amCOS-ICN
24h 46m2 stops
United Airlines Logo
12:45 pm - 11:59 pmICN-COS
27h 14m2 stops
$977United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
American Airlines Logo
5:45 am - 4:45 pmCOS-ICN
19h 00m1 stop
American Airlines Logo
7:15 pm - 8:27 pmICN-COS
17h 12m1 stop
$1,344American Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
American Airlines Logo
6:17 am - 4:45 pmCOS-ICN
18h 28m1 stop
American Airlines Logo
6:50 pm - 11:31 pmICN-COS
20h 41m1 stop
$1,371American Airlines
Find Deal
Mon, Feb 16 - Fri, Feb 20

Turkish Airlines flights from Colorado to Incheon Intl Airport

Our best Turkish Airlines deals on Colorado to Incheon Intl Airport flight tickets
Turkish Airlines
Mar 13
DEN8:20 pmDenver Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Mar 20
ICN10:45 amIncheon Intl
46h 50m
1 stop
DEN6:35 pmDenver Intl
$915
Find similar
Turkish Airlines
Mar 14
DEN8:20 pmDenver Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Mar 19
ICN12:10 amIncheon Intl
33h 25m
1 stop
DEN6:35 pmDenver Intl
$924
Find similar
Turkish Airlines
Jan 3
DEN7:20 pmDenver Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Jan 30
ICN12:10 amIncheon Intl
33h 25m
1 stop
DEN5:35 pmDenver Intl
$951
Find similar

American Airlines flights from Colorado to Incheon Intl Airport

Our best American Airlines deals on Colorado to Incheon Intl Airport flight tickets
American Airlines
Sep 22
DEN5:44 amDenver Intl
18h 46m
1 stop
ICN3:30 pmIncheon Intl
Oct 5
ICN5:25 pmIncheon Intl
30h 14m
2 stops
DEN8:39 amDenver Intl
$1,145
Find similar
American Airlines
Sep 23
DEN5:44 amDenver Intl
18h 46m
1 stop
ICN3:30 pmIncheon Intl
Oct 14
ICN5:45 pmIncheon Intl
16h 41m
1 stop
DEN7:26 pmDenver Intl
$1,158
Find similar
American Airlines
Sep 23
DEN5:44 amDenver Intl
18h 46m
1 stop
ICN3:30 pmIncheon Intl
Oct 1
ICN5:25 pmIncheon Intl
19h 36m
2 stops
DEN10:01 pmDenver Intl
$1,163
Find similar

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 September 22, 2025.
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

Sun 11/2

8:00 am-5:10 am

1 stop29h 10m

Incheon Intl

Mon 11/10

6:55 pm-7:08 pm

1 stop16h 13m

$785

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 10/20

6:00 am-4:50 am

1 stop31h 50m

Incheon Intl

Mon 10/27

6:55 pm-7:08 pm

1 stop15h 13m

$788

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 10/21

10:55 pm-3:45 pm

1 stop25h 50m

Incheon Intl

Tue 10/28

7:35 am-10:18 am

2 stops41h 43m

$795

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 2/16

5:50 am-4:15 pm

2 stops18h 25m

Incheon Intl

Fri 2/20

6:00 pm-9:04 pm

2 stops19h 04m

$897

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 3/13

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 3/20

10:45 am-6:35 pm

1 stop46h 50m

$915

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 10/31

6:15 am-11:55 am

2 stops38h 40m

Incheon Intl

Tue 12/2

8:55 am-6:31 pm

2 stops25h 36m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 3/14

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Thu 3/19

12:10 am-6:35 pm

1 stop33h 25m

$924

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Thu 11/6

12:54 pm-5:40 am

2 stops24h 46m

Incheon Intl

Thu 11/13

12:45 pm-11:59 pm

2 stops27h 14m

$977

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Thu 11/6

5:45 am-4:45 pm

1 stop19h 00m

Incheon Intl

Thu 11/13

7:15 pm-8:27 pm

1 stop17h 12m

$1,344

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 2/16

6:17 am-4:45 pm

1 stop18h 28m

Incheon Intl

Fri 2/20

6:50 pm-11:31 pm

1 stop20h 41m

$1,371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $975, 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 $1,040.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Colorado to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,361. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,676. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Colorado to Incheon Intl Airport when you can find flight prices for as low as $1,045. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,401 on average. Flights to Incheon Intl Airport from Colorado in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,264 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 $996 on momondo.

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

You could potentially save up to 8% 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

Direct flights

None
There are no direct flights from Colorado to Incheon Intl Airport. There are no popular flight routes from Colorado to Incheon Intl Airport.
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  • 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
5.8
3,166 reviews
Search Frontier flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.2
62 reviews
Search AIR PREMIA flights
DeltaPriceFrom $587Free CancellationRating
7.9
7,971 reviews
Search Delta flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,102 reviews
Search WestJet flights
Turkish AirlinesPriceFrom $755Free CancellationRating
7.3
3,975 reviews
Search Turkish Airlines flights
Asiana AirlinesPriceFrom $757Free CancellationRating
8.2
481 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $843Free CancellationRating
8.4
1,143 reviews
Search Korean Air flights
Air CanadaPriceFrom $854Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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