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Cheap flights from Colorado to Seoul from $378

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 8/29. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
WestJet Logo
8:45 pm - 11:20 am
ICN
-
DEN
29h 35m
1 stop
$835WestJet
Wed, Aug 19 - Thu, Sep 17
WestJet Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
WestJet Logo
8:45 pm - 11:20 am
ICN
-
DEN
29h 35m
1 stop
$860WestJet
Sat, Aug 22 - Sun, Sep 13
WestJet Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
WestJet Logo
8:45 pm - 11:20 am
ICN
-
DEN
29h 35m
1 stop
$870WestJet
Wed, Aug 19 - Sat, Sep 12
WestJet Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
WestJet Logo
8:45 pm - 11:20 am
ICN
-
DEN
29h 35m
1 stop
$897WestJet
Sat, Aug 22 - Sat, Sep 12
Multiple Airlines Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
Multiple Airlines Logo
7:20 am - 10:03 am
ICN
-
DEN
41h 43m
2 stops
$909Multiple Airlines
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
Multiple Airlines Logo
7:20 am - 10:03 am
ICN
-
DEN
41h 43m
2 stops
$911Multiple Airlines
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
12:15 pm - 6:45 pm
DEN
-
ICN
15h 30m
1 stop
Multiple Airlines Logo
7:20 am - 9:30 pm
ICN
-
DEN
53h 10m
2 stops
$925Multiple Airlines
Sun, Aug 30 - Mon, Sep 21
American Airlines Logo
5:13 pm - 3:45 pm
COS
-
ICN
31h 32m
1 stop
American Airlines Logo
5:50 pm - 10:53 pm
ICN
-
COS
20h 03m
1 stop
$1,072American Airlines
Sun, Aug 30 - Tue, Sep 8
American Airlines Logo
10:12 am - 3:45 pm
COS
-
ICN
38h 33m
1 stop
American Airlines Logo
5:50 pm - 12:48 pm
ICN
-
COS
33h 58m
2 stops
$1,076American Airlines
Sun, Aug 30 - Tue, Sep 8
American Airlines Logo
5:40 am - 3:45 pm
COS
-
ICN
19h 05m
1 stop
American Airlines Logo
5:50 pm - 12:48 pm
ICN
-
COS
33h 58m
2 stops
$1,083American Airlines
Tue, Sep 1 - Wed, Sep 9

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WestJet flights from Colorado to Incheon Intl Airport

Our best WestJet deals on Colorado to Incheon Intl Airport flight tickets
WestJet
Aug 19
DEN12:15 pmDenver Intl
15h 30m
1 stop
ICN6:45 pmIncheon Intl
Sep 13
ICN8:45 pmIncheon Intl
29h 35m
1 stop
DEN11:20 amDenver Intl
$835
WestJet
Aug 22
DEN12:15 pmDenver Intl
15h 30m
1 stop
ICN6:45 pmIncheon Intl
Sep 13
ICN8:45 pmIncheon Intl
29h 35m
1 stop
DEN11:20 amDenver Intl
$860
WestJet
Aug 19
DEN12:15 pmDenver Intl
15h 30m
1 stop
ICN6:45 pmIncheon Intl
Sep 12
ICN8:45 pmIncheon Intl
29h 35m
1 stop
DEN11:20 amDenver Intl
$870

Delta flights from Colorado to Incheon Intl Airport

Our best Delta deals on Colorado to Incheon Intl Airport flight tickets
Delta
Sep 28
COS8:16 amColorado Springs
16h 04m
1 stop
ICN3:20 pmIncheon Intl
Nov 9
ICN6:35 pmIncheon Intl
14h 39m
1 stop
COS5:14 pmColorado Springs
$1,456
Delta
Oct 1
COS8:16 amColorado Springs
16h 04m
1 stop
ICN3:20 pmIncheon Intl
Nov 20
ICN6:35 pmIncheon Intl
14h 39m
1 stop
COS5:14 pmColorado Springs
$1,506
Delta
Oct 1
COS8:16 amColorado Springs
16h 04m
1 stop
ICN3:20 pmIncheon Intl
Nov 20
ICN6:45 pmIncheon Intl
19h 45m
2 stops
COS10:30 pmColorado Springs
$1,510

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 June 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
Quickest round-trip

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 8/19

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Thu 9/17

8:45 pm-11:20 am

1 stop29h 35m

$835

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 8/22

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sun 9/13

8:45 pm-11:20 am

1 stop29h 35m

$860

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 8/19

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sat 9/12

8:45 pm-11:20 am

1 stop29h 35m

$870

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 8/22

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sat 9/12

8:45 pm-11:20 am

1 stop29h 35m

$897

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 8/19

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Tue 8/25

7:20 am-10:03 am

2 stops41h 43m

$909

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 8/19

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Tue 8/25

7:20 am-10:03 am

2 stops41h 43m

$911

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 8/30

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Mon 9/21

7:20 am-9:30 pm

2 stops53h 10m

$925

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 8/30

5:13 pm-3:45 pm

1 stop31h 32m

Incheon Intl

Tue 9/8

5:50 pm-10:53 pm

1 stop20h 03m

$1,072

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Sun 8/30

10:12 am-3:45 pm

1 stop38h 33m

Incheon Intl

Tue 9/8

5:50 pm-12:48 pm

2 stops33h 58m

$1,076

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Tue 9/1

5:40 am-3:45 pm

1 stop19h 05m

Incheon Intl

Wed 9/9

5:50 pm-12:48 pm

2 stops33h 58m

$1,083

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 $59, 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 September is also very affordable. Most momondo users find prices during this month for around $88.

How far in advance should I book a flight from Colorado 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 $1,281 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 $958 on momondo.

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

You could potentially save up to 42% 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

16h 04m

Direct flights

None
The fastest flight from Colorado to Incheon Intl Airport takes 16h 04m
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

Frequently asked questions about flying from Colorado to Incheon Intl Airport

  • 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
United AirlinesPriceFrom $187Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
DeltaPriceFrom $483Free CancellationRating
7.8
8,453 reviews
Search Delta flights
Korean AirPriceFrom $519Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
AIR PREMIAPriceFrom $608Free CancellationRating
8.1
98 reviews
Search AIR PREMIA flights
American AirlinesPriceFrom $816Free CancellationRating
7.1
11,772 reviews
Search American Airlines flights
Air CanadaPriceFrom $906Free CancellationRating
7.1
11,266 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,035Free CancellationRating
8.1
550 reviews
Search Asiana Airlines flights
WestJetPriceFrom $1,364Free CancellationRating
7.2
3,384 reviews
Search WestJet flights

Traveling to a place near Seoul?

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

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