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Cheap flights from Colorado to Seoul from $344

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 1/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 am - 1:50 pmDEN-ICN
38h 40m2 stops
Multiple Airlines Logo
6:55 pm - 10:42 amICN-DEN
31h 47m1 stop
$776Multiple Airlines
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Fri, Jan 30 - Mon, Feb 9
Multiple Airlines Logo
10:50 pm - 4:20 pmDEN-ICN
25h 30m1 stop
Multiple Airlines Logo
6:55 pm - 10:12 amICN-DEN
31h 17m1 stop
$792Multiple Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
10:45 am - 6:35 pmICN-DEN
46h 50m1 stop
$914Turkish Airlines
Find Deal
Thu, Mar 5 - Fri, Mar 13
China Eastern Logo
6:25 am - 1:30 pmDEN-ICN
39h 05m2 stops
China Eastern Logo
4:20 pm - 6:32 pmICN-DEN
42h 12m2 stops
$918China Eastern
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Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
5:05 pm - 5:40 amCOS-ICN
20h 35m2 stops
United Airlines Logo
11:45 am - 9:43 pmICN-COS
24h 58m2 stops
$921United Airlines
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Tue, Jan 13 - Tue, Mar 17
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
10:45 am - 5:35 pmICN-DEN
46h 50m1 stop
$923Turkish Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 17
China Eastern Logo
6:24 am - 5:25 pmDEN-ICN
43h 01m2 stops
China Eastern Logo
12:55 pm - 6:10 pmICN-DEN
45h 15m2 stops
$943China Eastern
Find Deal
Sat, Jan 17 - Mon, Jan 26
United Airlines Logo
3:30 pm - 4:15 pmCOS-ICN
32h 45m2 stops
United Airlines Logo
12:45 pm - 5:23 pmICN-COS
20h 38m2 stops
$1,216United Airlines
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Sun, Jan 11 - Sat, Jan 17
American Airlines Logo
6:02 am - 4:45 pmCOS-ICN
18h 43m1 stop
American Airlines Logo
5:55 pm - 8:09 pmICN-COS
17h 14m1 stop
$1,309American Airlines
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Tue, Jan 13 - Tue, Mar 17
American Airlines Logo
1:06 pm - 4:45 pmCOS-ICN
35h 39m2 stops
American Airlines Logo
5:55 pm - 8:09 pmICN-COS
17h 14m1 stop
$1,314American Airlines
Find Deal
Tue, Jan 13 - Tue, Mar 17

China Eastern flights from Colorado to Incheon Intl Airport

Our best China Eastern deals on Colorado to Incheon Intl Airport flight tickets
China Eastern
Nov 26
DEN6:25 amDenver Intl
39h 05m
2 stops
ICN1:30 pmIncheon Intl
Dec 3
ICN4:20 pmIncheon Intl
42h 12m
2 stops
DEN6:32 pmDenver Intl
$918
Find similar
China Eastern
Jan 17
DEN6:24 amDenver Intl
43h 01m
2 stops
ICN5:25 pmIncheon Intl
Jan 26
ICN12:55 pmIncheon Intl
45h 15m
2 stops
DEN6:10 pmDenver Intl
$943
Find similar

Delta flights from Colorado to Incheon Intl Airport

Our best Delta deals on Colorado to Incheon Intl Airport flight tickets
Delta
Feb 16
COS7:59 amColorado Springs
16h 21m
1 stop
ICN4:20 pmIncheon Intl
Feb 20
ICN7:40 pmIncheon Intl
18h 43m
1 stop
COS10:23 pmColorado Springs
$1,359
Find similar
Delta
Feb 16
COS7:59 amColorado Springs
16h 21m
1 stop
ICN4:20 pmIncheon Intl
Feb 20
ICN8:05 pmIncheon Intl
31h 12m
2 stops
COS11:17 amColorado Springs
$1,364
Find similar
Delta
Nov 21
COS6:02 pmColorado Springs
30h 18m
1 stop
ICN4:20 pmIncheon Intl
Jan 13
ICN7:40 pmIncheon Intl
31h 37m
1 stop
COS11:17 amColorado Springs
$1,369
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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 November 6, 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

Fri 1/30

7:10 am-1:50 pm

2 stops38h 40m

Incheon Intl

Mon 2/9

6:55 pm-10:42 am

1 stop31h 47m

$776

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 12/5

10:50 pm-4:20 pm

1 stop25h 30m

Incheon Intl

Mon 12/8

6:55 pm-10:12 am

1 stop31h 17m

$792

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 3/5

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 3/13

10:45 am-6:35 pm

1 stop46h 50m

$914

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 11/26

6:25 am-1:30 pm

2 stops39h 05m

Incheon Intl

Wed 12/3

4:20 pm-6:32 pm

2 stops42h 12m

$918

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 1/13

5:05 pm-5:40 am

2 stops20h 35m

Incheon Intl

Tue 3/17

11:45 am-9:43 pm

2 stops24h 58m

$921

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 12/6

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Wed 12/17

10:45 am-5:35 pm

1 stop46h 50m

$923

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 1/17

6:24 am-5:25 pm

2 stops43h 01m

Incheon Intl

Mon 1/26

12:55 pm-6:10 pm

2 stops45h 15m

$943

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 1/11

3:30 pm-4:15 pm

2 stops32h 45m

Incheon Intl

Sat 1/17

12:45 pm-5:23 pm

2 stops20h 38m

$1,216

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 1/13

6:02 am-4:45 pm

1 stop18h 43m

Incheon Intl

Tue 3/17

5:55 pm-8:09 pm

1 stop17h 14m

$1,309

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 1/13

1:06 pm-4:45 pm

2 stops35h 39m

Incheon Intl

Tue 3/17

5:55 pm-8:09 pm

1 stop17h 14m

$1,314

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 $951, 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 $1,042.

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 $1,249 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 $972 on momondo.

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

You could potentially save up to 4% 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
3,116 reviews
Search Frontier flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
DeltaPriceFrom $474Free CancellationRating
7.9
8,001 reviews
Search Delta flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.3
66 reviews
Search AIR PREMIA flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,155 reviews
Search WestJet flights
Turkish AirlinesPriceFrom $755Free CancellationRating
7.3
4,032 reviews
Search Turkish Airlines flights
Asiana AirlinesPriceFrom $757Free CancellationRating
8.2
485 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $843Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
Air CanadaPriceFrom $875Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
11,040 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
Seongnam
Daejeon
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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