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Cheap flights from Incheon Intl Airport to Colorado from $402

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Colorado departing on 10/12. 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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0 bags

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Find the cheapest flights from Incheon Intl Airport to Colorado

Cheap round-trip flights

Logo
8:35 pm - 12:35 amICN-DEN
19h 00m1 stop
Logo
9:58 am - 6:35 pmDEN-ICN
17h 37m1 stop
$622
Find Deal
Fri, Oct 17 - Fri, Oct 24
Hawaiian Airlines Logo
8:35 pm - 11:39 amICN-DEN
31h 04m1 stop
Hawaiian Airlines Logo
7:50 pm - 6:35 pmDEN-ICN
30h 45m1 stop
$623Hawaiian Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 4
Delta Logo
7:20 pm - 9:29 amICN-DEN
29h 09m2 stops
Delta Logo
3:41 pm - 4:30 pmDEN-ICN
32h 49m2 stops
$637Delta
Find Deal
Fri, Oct 10 - Mon, Nov 3
Delta Logo
7:20 pm - 11:14 pmICN-DEN
18h 54m1 stop
Delta Logo
12:18 pm - 4:30 pmDEN-ICN
36h 12m1 stop
$638Delta
Find Deal
Fri, Oct 10 - Sat, Nov 22
United Airlines Logo
6:00 pm - 12:30 amICN-DEN
22h 30m1 stop
United Airlines Logo
7:46 am - 4:15 pmDEN-ICN
16h 29m1 stop
$717United Airlines
Find Deal
Tue, Nov 25 - Sun, Dec 7
United Airlines Logo
11:30 am - 11:50 pmICN-COS
27h 20m2 stops
United Airlines Logo
12:54 pm - 4:20 amCOS-ICN
24h 26m2 stops
$719United Airlines
Find Deal
Wed, Sep 24 - Sun, Sep 28
American Airlines Logo
6:50 pm - 8:01 pmICN-DEN
17h 11m1 stop
American Airlines Logo
3:08 pm - 4:45 pmDEN-ICN
33h 37m2 stops
$744American Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 4
American Airlines Logo
6:50 pm - 1:34 pmICN-DEN
34h 44m1 stop
American Airlines Logo
1:20 pm - 4:45 pmDEN-ICN
35h 25m2 stops
$809American Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 4
Korean Air Logo
8:25 pm - 11:50 pmICN-DEN
18h 25m1 stop
Korean Air Logo
12:50 am - 2:10 pmDEN-ICN
22h 20m1 stop
$884Korean Air
Find Deal
Fri, Oct 17 - Thu, Oct 23
Korean Air Logo
7:20 pm - 6:56 pmICN-DEN
14h 36m1 stop
Korean Air Logo
12:50 am - 2:10 pmDEN-ICN
22h 20m1 stop
$904Korean Air
Find Deal
Fri, Oct 17 - Thu, Oct 23

Delta flights from Incheon Intl Airport to Colorado

Our best Delta deals on Incheon Intl Airport to Colorado flight tickets
Delta
Oct 10
ICN7:20 pmIncheon Intl
29h 09m
2 stops
DEN9:29 amDenver Intl
Nov 3
DEN3:41 pmDenver Intl
32h 49m
2 stops
ICN4:30 pmIncheon Intl
$637
Find similar
Delta
Oct 10
ICN7:20 pmIncheon Intl
18h 54m
1 stop
DEN11:14 pmDenver Intl
Nov 22
DEN12:18 pmDenver Intl
36h 12m
1 stop
ICN4:30 pmIncheon Intl
$638
Find similar
Delta
Sep 12
ICN7:20 pmIncheon Intl
30h 49m
1 stop
DEN11:09 amDenver Intl
Sep 19
DEN6:18 pmDenver Intl
32h 02m
1 stop
ICN5:20 pmIncheon Intl
$692
Find similar

Alaska Airlines flights from Incheon Intl Airport to Colorado

Our best Alaska Airlines deals on Incheon Intl Airport to Colorado flight tickets
Alaska Airlines
Oct 17
ICN8:35 pmIncheon Intl
36h 27m
2 stops
DEN6:02 pmDenver Intl
Oct 24
DEN6:20 pmDenver Intl
33h 15m
1 stop
ICN6:35 pmIncheon Intl
$691
Find similar
Alaska Airlines
Nov 15
ICN8:35 pmIncheon Intl
34h 06m
1 stop
DEN2:41 pmDenver Intl
Mar 2
DEN12:30 pmDenver Intl
62h 05m
2 stops
ICN6:35 pmIncheon Intl
$692
Find similar
Alaska Airlines
Oct 10
ICN8:35 pmIncheon Intl
29h 53m
2 stops
DEN11:28 amDenver Intl
Nov 3
DEN8:02 pmDenver Intl
31h 23m
3 stops
ICN7:25 pmIncheon Intl
$705
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to Colorado 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 8, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/17

8:35 pm-12:35 am

1 stop19h 00m

Denver Intl

Fri 10/24

9:58 am-6:35 pm

1 stop17h 37m

$622

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/2

8:35 pm-11:39 am

1 stop31h 04m

Denver Intl

Wed 2/4

7:50 pm-6:35 pm

1 stop30h 45m

$623

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/10

7:20 pm-9:29 am

2 stops29h 09m

Denver Intl

Mon 11/3

3:41 pm-4:30 pm

2 stops32h 49m

$637

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/10

7:20 pm-11:14 pm

1 stop18h 54m

Denver Intl

Sat 11/22

12:18 pm-4:30 pm

1 stop36h 12m

$638

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Tue 11/25

6:00 pm-12:30 am

1 stop22h 30m

Denver Intl

Sun 12/7

7:46 am-4:15 pm

1 stop16h 29m

$717

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Wed 9/24

11:30 am-11:50 pm

2 stops27h 20m

Colorado Springs

Sun 9/28

12:54 pm-4:20 am

2 stops24h 26m

$719

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/2

6:50 pm-8:01 pm

1 stop17h 11m

Denver Intl

Wed 2/4

3:08 pm-4:45 pm

2 stops33h 37m

$744

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 2/2

6:50 pm-1:34 pm

1 stop34h 44m

Denver Intl

Wed 2/4

1:20 pm-4:45 pm

2 stops35h 25m

$809

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/17

8:25 pm-11:50 pm

1 stop18h 25m

Denver Intl

Thu 10/23

12:50 am-2:10 pm

1 stop22h 20m

$884

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 10/17

7:20 pm-6:56 pm

1 stop14h 36m

Denver Intl

Thu 10/23

12:50 am-2:10 pm

1 stop22h 20m

$904

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 Colorado from

How to get the cheapest flight ticket from Incheon Intl Airport to Colorado

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 Colorado?

The month of August is, on average, the cheapest month to fly to Colorado from Incheon Intl Airport, with most prices found around $833. The month of November is another great option to travel to Colorado, with average flight prices from Incheon Intl Airport averaging around $877.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Incheon Intl Airport to Colorado is on a Sunday when prices can be found for as low as $868. On the other hand, Tuesday is the most expensive day to depart from Incheon Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,255.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $1,032. In the evening is when there is more demand to fly to Colorado, so prices are often more expensive at around $1,439 per ticket.

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $1,055 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Incheon Intl Airport for as low as $772 on momondo.

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

You could potentially save up to 43% on your flight if you consider stops on a Incheon Intl Airport to Colorado flight.

Cheap Incheon Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to Colorado

Direct flights

None
There are no direct flights from Incheon Intl Airport to Colorado. There are no popular flight routes from Incheon Intl Airport to Colorado.
Search flight deals

  • When did momondo last update prices for flights from Incheon Intl Airport to Colorado?

    Prices for flights from Incheon Intl Airport to Colorado are refreshed on a daily basis.

  • How many operators does momondo search for flights from Incheon Intl Airport to Colorado?

  • How old do you have to be to fly from Incheon Intl Airport to Colorado?

    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 Incheon Intl Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Incheon Intl Airport to Colorado

Compare and see reviews for airlines that fly from Incheon Intl Airport to Colorado with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $658Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Air CanadaPriceFrom $686Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $755Free CancellationRating
7.9
7,966 reviews
Search Delta flights
American AirlinesPriceFrom $757Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $783Free CancellationRating
8.4
1,138 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $800Free CancellationRating
8.2
479 reviews
Search Asiana Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Colorado?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Seoul.

Can I find flights from Seoul to Colorado with flexible booking policies on momondo?

Flights from Seoul to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Colorado?

Once you have performed a search for Seoul to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seoul to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seoul to Colorado 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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