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Cheap flights from Colorado to Seoul from $361

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 9/26. 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 Colorado to Seoul

Cheap round-trip flights

Logo
8:15 pm - 6:45 pmDEN-ICN
55h 30m2 stops
Logo
6:20 pm - 10:18 amICN-DEN
30h 58m1 stop
$794
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jue., oct. 2 - dom., oct. 12
Logo
8:55 pm - 6:45 pmDEN-ICN
30h 50m2 stops
Logo
8:55 pm - 10:18 amICN-DEN
28h 23m1 stop
$806
Find Deal
mar., sep. 30 - mar., oct. 21
China Eastern Logo
6:25 am - 1:30 pmDEN-ICN
39h 05m2 stops
China Eastern Logo
8:55 am - 6:09 pmICN-DEN
25h 14m2 stops
$837China Eastern
Find Deal
lun., nov. 24 - vie., dic. 12
China Eastern Logo
5:15 am - 10:55 amDEN-ICN
37h 40m2 stops
China Eastern Logo
8:55 am - 6:24 pmICN-DEN
25h 29m2 stops
$850China Eastern
Find Deal
dom., nov. 2 - jue., nov. 6
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 5:35 pmICN-DEN
33h 25m1 stop
$910Turkish Airlines
Find Deal
mar., ene. 6 - lun., ene. 26
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 5:35 pmICN-DEN
33h 25m1 stop
$920Turkish Airlines
Find Deal
sáb., nov. 8 - lun., nov. 17
United Airlines Logo
3:45 pm - 4:20 amCOS-ICN
21h 35m2 stops
United Airlines Logo
11:30 am - 4:34 pmICN-COS
20h 04m2 stops
$1,086United Airlines
Find Deal
lun., sep. 8 - dom., sep. 14
United Airlines Logo
12:00 pm - 4:20 amCOS-ICN
25h 20m2 stops
United Airlines Logo
11:30 am - 5:32 pmICN-COS
21h 02m2 stops
$1,087United Airlines
Find Deal
jue., sep. 25 - jue., oct. 2
American Airlines Logo
6:02 am - 3:30 pmCOS-ICN
18h 28m1 stop
American Airlines Logo
5:25 pm - 8:35 pmICN-COS
18h 10m1 stop
$1,148American Airlines
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lun., sep. 8 - dom., sep. 14
American Airlines Logo
6:17 am - 4:45 pmCOS-ICN
18h 28m1 stop
American Airlines Logo
6:50 pm - 8:13 pmICN-COS
17h 23m1 stop
$1,504American Airlines
Find Deal
lun., feb. 16 - vie., feb. 20

China Eastern flights from Colorado to Seoul

Our best China Eastern deals on Colorado to Seoul flight tickets
China Eastern
Nov 24
DEN6:25 amDenver Intl
39h 05m
2 stops
ICN1:30 pmIncheon Intl
Dec 12
ICN8:55 amIncheon Intl
25h 14m
2 stops
DEN6:09 pmDenver Intl
$837
Find similar
China Eastern
Nov 2
DEN5:15 amDenver Intl
37h 40m
2 stops
ICN10:55 amIncheon Intl
Nov 6
ICN8:55 amIncheon Intl
25h 29m
2 stops
DEN6:24 pmDenver Intl
$850
Find similar
China Eastern
Nov 24
DEN6:25 amDenver Intl
40h 40m
2 stops
ICN3:05 pmIncheon Intl
Dec 12
ICN8:55 amIncheon Intl
25h 14m
2 stops
DEN6:09 pmDenver Intl
$902
Find similar

United Airlines flights from Colorado to Seoul

Our best United Airlines deals on Colorado to Seoul flight tickets
United Airlines
Sep 8
COS3:45 pmColorado Springs
21h 35m
2 stops
ICN4:20 amIncheon Intl
Sep 14
ICN11:30 amIncheon Intl
20h 04m
2 stops
COS4:34 pmColorado Springs
$1,086
Find similar
United Airlines
Sep 25
COS12:00 pmColorado Springs
25h 20m
2 stops
ICN4:20 amIncheon Intl
Oct 2
ICN11:30 amIncheon Intl
21h 02m
2 stops
COS5:32 pmColorado Springs
$1,087
Find similar
United Airlines
Feb 16
COS3:25 pmColorado Springs
22h 15m
2 stops
ICN5:40 amIncheon Intl
Feb 20
ICN6:00 pmIncheon Intl
16h 45m
2 stops
COS6:45 pmColorado Springs
$1,088
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momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Seoul 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 agosto 28, 2025.
Use the filters below to find and compare flights from Colorado to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

jue. 10/2

8:15 pm-6:45 pm

2 stops55h 30m

Incheon Intl

dom. 10/12

6:20 pm-10:18 am

1 stop30h 58m

$794

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 9/30

8:55 pm-6:45 pm

2 stops30h 50m

Incheon Intl

mar. 10/21

8:55 pm-10:18 am

1 stop28h 23m

$806

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 11/24

6:25 am-1:30 pm

2 stops39h 05m

Incheon Intl

vie. 12/12

8:55 am-6:09 pm

2 stops25h 14m

$837

DenverIncheon

DEN - ICN

DENICN

Denver Intl

dom. 11/2

5:15 am-10:55 am

2 stops37h 40m

Incheon Intl

jue. 11/6

8:55 am-6:24 pm

2 stops25h 29m

$850

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 1/6

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

lun. 1/26

12:10 am-5:35 pm

1 stop33h 25m

$910

DenverIncheon

DEN - ICN

DENICN

Denver Intl

sáb. 11/8

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

lun. 11/17

12:10 am-5:35 pm

1 stop33h 25m

$920

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

lun. 9/8

3:45 pm-4:20 am

2 stops21h 35m

Incheon Intl

dom. 9/14

11:30 am-4:34 pm

2 stops20h 04m

$1,086

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

jue. 9/25

12:00 pm-4:20 am

2 stops25h 20m

Incheon Intl

jue. 10/2

11:30 am-5:32 pm

2 stops21h 02m

$1,087

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

lun. 9/8

6:02 am-3:30 pm

1 stop18h 28m

Incheon Intl

dom. 9/14

5:25 pm-8:35 pm

1 stop18h 10m

$1,148

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

lun. 2/16

6:17 am-4:45 pm

1 stop18h 28m

Incheon Intl

vie. 2/20

6:50 pm-8:13 pm

1 stop17h 23m

$1,504

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 Seoul

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 Seoul?

The month of February is another great option to travel to Seoul, with average flight prices from Colorado averaging around $998.

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

According to our data, Wednesday is the cheapest day to fly to Seoul from Colorado. The lowest ticket price found for a Wednesday departure recently was $1,180. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,519.

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

Flying to Seoul from Colorado in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,344 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,540 per ticket.

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

You are more likely to see cheaper flights to Seoul from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,268 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Colorado for as low as $974 on momondo.

Can stopping save me money on Colorado to Seoul flights?

You could potentially save up to 13% on your flight if you consider stops on a Colorado to Seoul flight.

Cheap Colorado to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Seoul

Direct flights

None
There are no direct flights from Colorado to Seoul. There are no popular flight routes from Colorado to Seoul.
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  • When did momondo last update prices for flights from Colorado to Seoul?

    Prices for flights from Colorado to Seoul were last updated today.

  • How many operators does momondo search for flights from Colorado to Seoul?

  • How old do you have to be to fly from Colorado to Seoul?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Seoul.

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

    The travel and health documents required for your trip to Seoul 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 Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Colorado to Seoul

Compare and see reviews for airlines that fly from Colorado to Seoul with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.2
60 reviews
Search AIR PREMIA flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,063 reviews
Search WestJet flights
Turkish AirlinesPriceFrom $755Free CancellationRating
7.3
3,955 reviews
Search Turkish Airlines flights
Asiana AirlinesPriceFrom $757Free CancellationRating
8.2
477 reviews
Search Asiana Airlines flights
DeltaPriceFrom $810Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Korean AirPriceFrom $843Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
Air CanadaPriceFrom $855Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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?

All flight searches from Colorado to Seoul on momondo can be filtered to show those which offer 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?

If you are not ready to book a flight from Colorado to Seoul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seoul and let you know when they change.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport