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Cheap flights from Colorado to Seoul from $428

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 10/5. 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

Logo
8:05 am - 8:30 pmDEN-ICN
21h 25m1 stop
Logo
6:20 pm - 10:48 pmICN-DEN
19h 28m1 stop
$799
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Mon, Sep 8 - Mon, Sep 22
Delta Logo
7:20 am - 3:20 pmDEN-ICN
17h 00m1 stop
Delta Logo
6:40 pm - 11:08 pmICN-DEN
19h 28m1 stop
$826Delta
Find Deal
Wed, Sep 10 - Thu, Sep 18
Air Canada Logo
7:16 pm - 5:10 pmDEN-ICN
30h 54m2 stops
Air Canada Logo
6:55 pm - 8:53 amICN-DEN
29h 58m2 stops
$865Air Canada
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Sat, Nov 1 - Tue, Nov 4
Cathay Pacific Logo
11:56 am - 9:10 pmDEN-ICN
42h 14m2 stops
Cathay Pacific Logo
10:10 am - 8:27 pmICN-DEN
49h 17m2 stops
$887Cathay Pacific
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Tue, Sep 23 - Tue, Oct 14
Cathay Pacific Logo
7:21 am - 12:40 pmDEN-ICN
38h 19m2 stops
Cathay Pacific Logo
1:50 pm - 5:40 pmICN-DEN
43h 50m2 stops
$889Cathay Pacific
Find Deal
Mon, Oct 20 - Mon, Nov 3
China Eastern Logo
6:45 am - 11:55 amDEN-ICN
38h 10m2 stops
China Eastern Logo
8:55 am - 6:21 pmICN-DEN
24h 26m2 stops
$918China Eastern
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Tue, Sep 2 - Tue, Sep 9
China Eastern Logo
6:45 am - 11:55 amDEN-ICN
38h 10m2 stops
China Eastern Logo
6:25 pm - 6:24 pmICN-DEN
38h 59m2 stops
$936China Eastern
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Sun, Sep 7 - Thu, Oct 16
Air Canada Logo
7:21 pm - 4:05 pmDEN-ICN
29h 44m2 stops
Air Canada Logo
6:55 pm - 8:53 amICN-DEN
29h 58m2 stops
$947Air Canada
Find Deal
Wed, Oct 22 - Wed, Nov 5
American Airlines Logo
6:02 am - 3:30 pmCOS-ICN
18h 28m1 stop
American Airlines Logo
5:45 pm - 8:38 pmICN-COS
17h 53m1 stop
$1,344American Airlines
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Wed, Oct 1 - Wed, Oct 8
American Airlines Logo
12:05 pm - 3:30 pmCOS-ICN
60h 25m2 stops
American Airlines Logo
6:50 pm - 12:06 pmICN-COS
33h 16m2 stops
$1,498American Airlines
Find Deal
Tue, Oct 14 - Sun, Nov 2

Cathay Pacific flights from Colorado to Incheon Intl Airport

Our best Cathay Pacific deals on Colorado to Incheon Intl Airport flight tickets
Cathay Pacific
Sep 23
DEN11:56 amDenver Intl
42h 14m
2 stops
ICN9:10 pmIncheon Intl
Oct 14
ICN10:10 amIncheon Intl
49h 17m
2 stops
DEN8:27 pmDenver Intl
$887
Find similar
Cathay Pacific
Oct 20
DEN7:21 amDenver Intl
38h 19m
2 stops
ICN12:40 pmIncheon Intl
Nov 3
ICN1:50 pmIncheon Intl
43h 50m
2 stops
DEN5:40 pmDenver Intl
$889
Find similar
Cathay Pacific
Sep 18
DEN7:16 amDenver Intl
39h 49m
2 stops
ICN2:05 pmIncheon Intl
Sep 28
ICN3:10 pmIncheon Intl
45h 59m
2 stops
DEN10:09 pmDenver Intl
$919
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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
Oct 1
COS6:02 amColorado Springs
18h 28m
1 stop
ICN3:30 pmIncheon Intl
Oct 8
ICN5:45 pmIncheon Intl
17h 53m
1 stop
COS8:38 pmColorado Springs
$1,344
Find similar
American Airlines
Oct 14
COS12:05 pmColorado Springs
60h 25m
2 stops
ICN3:30 pmIncheon Intl
Nov 2
ICN6:50 pmIncheon Intl
33h 16m
2 stops
COS12:06 pmColorado Springs
$1,498
Find similar
American Airlines
Oct 1
COS6:02 amColorado Springs
18h 28m
1 stop
ICN3:30 pmIncheon Intl
Oct 8
ICN5:45 pmIncheon Intl
32h 49m
2 stops
COS11:34 amColorado Springs
$1,526
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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 August 7, 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

Mon 9/8

8:05 am-8:30 pm

1 stop21h 25m

Incheon Intl

Mon 9/22

6:20 pm-10:48 pm

1 stop19h 28m

$799

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 9/10

7:20 am-3:20 pm

1 stop17h 00m

Incheon Intl

Thu 9/18

6:40 pm-11:08 pm

1 stop19h 28m

$826

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 11/1

7:16 pm-5:10 pm

2 stops30h 54m

Incheon Intl

Tue 11/4

6:55 pm-8:53 am

2 stops29h 58m

$865

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/23

11:56 am-9:10 pm

2 stops42h 14m

Incheon Intl

Tue 10/14

10:10 am-8:27 pm

2 stops49h 17m

$887

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 10/20

7:21 am-12:40 pm

2 stops38h 19m

Incheon Intl

Mon 11/3

1:50 pm-5:40 pm

2 stops43h 50m

$889

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 9/2

6:45 am-11:55 am

2 stops38h 10m

Incheon Intl

Tue 9/9

8:55 am-6:21 pm

2 stops24h 26m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 9/7

6:45 am-11:55 am

2 stops38h 10m

Incheon Intl

Thu 10/16

6:25 pm-6:24 pm

2 stops38h 59m

$936

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/22

7:21 pm-4:05 pm

2 stops29h 44m

Incheon Intl

Wed 11/5

6:55 pm-8:53 am

2 stops29h 58m

$947

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Wed 10/1

6:02 am-3:30 pm

1 stop18h 28m

Incheon Intl

Wed 10/8

5:45 pm-8:38 pm

1 stop17h 53m

$1,344

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 10/14

12:05 pm-3:30 pm

2 stops60h 25m

Incheon Intl

Sun 11/2

6:50 pm-12:06 pm

2 stops33h 16m

$1,498

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 August. Flight prices, which tend to average around $912, 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 August, then departing from Colorado during the month February is also very affordable. Most momondo users find prices during this month for around $975.

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 $1,262 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 $974 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

Best Price Found

$428

Fastest flight time

16h 05m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Colorado in the past 72 hours is $428. The best round-trip flight deal from Colorado to Incheon Intl Airport found on momondo in the last 72 hours is $799.
The fastest flight from Colorado to Incheon Intl Airport takes 16h 05m
There are no direct flights from Colorado to Incheon Intl Airport. Popular non-direct routes for this connection are Colorado Springs Airport - Incheon Intl Airport and Denver Intl Airport - 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
3,231 reviews
Search Frontier flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,002 reviews
Search WestJet flights
Turkish AirlinesPriceFrom $755Free CancellationRating
7.3
3,932 reviews
Search Turkish Airlines flights
DeltaPriceFrom $756Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Asiana AirlinesPriceFrom $757Free CancellationRating
8.2
470 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $843Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
Air CanadaPriceFrom $855Free CancellationRating
7.1
9,893 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
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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