How long does it take to fly to Seoul?

If you’re flying from a popular airport in Colorado, such as Denver or Colorado Springs, and flying into Seoul, then you can expect flight times to average 15h 30m and 19h 05m, respectively.

What airlines fly to Seoul?

Air Canada, Asiana Airlines and Delta are the top three most popular airlines that fly to Seoul from Colorado according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 9 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Colorado to Seoul?

China Eastern, Turkish Airlines, and Japan Airlines are the most popular carriers operating from Colorado to Seoul

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?

As of May 2026, there are 9 operators available to choose from 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.

$504 Cheap Flights from Colorado to Seoul in 2026

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Find the cheapest flights from Colorado to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 3:05 pm

DEN

ICN

41h 35m

2 stops

4:10 pm - 6:10 pm

ICN

DEN

42h 00m

2 stops

$998China Eastern

Sat, Oct 24 - Sat, Nov 7

6:30 am - 11:00 am

DEN

GMP

37h 30m

2 stops

8:50 pm - 6:10 pm

GMP

DEN

36h 20m

2 stops

$998China Eastern

Thu, Sep 10 - Sun, Sep 20

9:47 am - 8:10 pm

DEN

ICN

19h 23m

1 stop

6:00 pm - 10:59 pm

ICN

DEN

19h 59m

1 stop

$1,045Multiple Airlines

Wed, Sep 2 - Wed, Sep 16

9:47 am - 8:10 pm

DEN

ICN

19h 23m

1 stop

6:00 pm - 1:21 am

ICN

DEN

22h 21m

1 stop

$1,046Multiple Airlines

Wed, Sep 2 - Mon, Sep 7

10:12 am - 3:45 pm

COS

ICN

38h 33m

1 stop

6:35 pm - 10:57 pm

ICN

COS

19h 22m

1 stop

$1,327American Airlines

Mon, Oct 12 - Mon, Oct 26

8:00 am - 3:45 pm

COS

ICN

40h 45m

1 stop

6:35 pm - 11:37 am

ICN

COS

32h 02m

2 stops

$1,331American Airlines

Mon, Oct 12 - Mon, Oct 26

9:00 am - 10:05 pm

DEN

GMP

22h 05m

2 stops

8:00 am - 3:16 pm

GMP

DEN

23h 16m

2 stops

$1,396Japan Airlines

Mon, Oct 26 - Thu, Nov 5

2:12 pm - 10:55 am

DEN

GMP

29h 43m

2 stops

8:00 am - 11:31 am

GMP

DEN

19h 31m

2 stops

$1,402Japan Airlines

Mon, Oct 26 - Wed, Nov 18

12:45 pm - 5:15 pm

COS

ICN

36h 30m

2 stops

12:20 am - 8:27 pm

ICN

COS

60h 07m

2 stops

$1,614Qatar Airways

Mon, Nov 2 - Mon, Nov 9

12:45 pm - 5:15 pm

COS

ICN

36h 30m

2 stops

12:20 am - 8:27 pm

ICN

COS

36h 07m

2 stops

$1,644Qatar Airways

Mon, Nov 2 - Thu, Nov 5

China Eastern flights from Colorado to Seoul

Our best China Eastern deals on Colorado to Seoul flight tickets

China Eastern

Oct 24

DEN6:30 amDenver Intl

41h 35m

2 stops

ICN3:05 pmIncheon Intl

Nov 7

ICN4:10 pmIncheon Intl

42h 00m

2 stops

DEN6:10 pmDenver Intl

$998

China Eastern

Aug 30

DEN6:30 amDenver Intl

41h 50m

2 stops

ICN3:20 pmIncheon Intl

Sep 13

ICN4:20 pmIncheon Intl

40h 50m

2 stops

DEN6:10 pmDenver Intl

$1,063

China Eastern

May 11

DEN7:25 amDenver Intl

37h 30m

2 stops

ICN11:55 amIncheon Intl

Jun 9

ICN8:55 amIncheon Intl

24h 03m

2 stops

DEN5:58 pmDenver Intl

$1,279

American Airlines flights from Colorado to Seoul

Our best American Airlines deals on Colorado to Seoul flight tickets

American Airlines

Oct 12

COS10:12 amColorado Springs

38h 33m

1 stop

ICN3:45 pmIncheon Intl

Oct 26

ICN6:35 pmIncheon Intl

19h 22m

1 stop

COS10:57 pmColorado Springs

$1,327

American Airlines

Oct 12

COS8:00 amColorado Springs

40h 45m

1 stop

ICN3:45 pmIncheon Intl

Oct 26

ICN6:35 pmIncheon Intl

32h 02m

2 stops

COS11:37 amColorado Springs

$1,331

American Airlines

Nov 2

COS4:37 pmColorado Springs

31h 48m

1 stop

ICN4:25 pmIncheon Intl

Nov 10

ICN6:35 pmIncheon Intl

17h 52m

1 stop

COS8:27 pmColorado Springs

$1,375

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 10/24

6:30 am-3:05 pm

2 stops41h 35m

Incheon Intl

Sat 11/7

4:10 pm-6:10 pm

2 stops42h 00m

$998

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Thu 9/10

6:30 am-11:00 am

2 stops37h 30m

Seoul Gimpo Intl

Sun 9/20

8:50 pm-6:10 pm

2 stops36h 20m

$998

Quickest round-trip

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 9/2

9:47 am-8:10 pm

1 stop19h 23m

Incheon Intl

Wed 9/16

6:00 pm-10:59 pm

1 stop19h 59m

$1,045

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 9/2

9:47 am-8:10 pm

1 stop19h 23m

Incheon Intl

Mon 9/7

6:00 pm-1:21 am

1 stop22h 21m

$1,046

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 10/12

10:12 am-3:45 pm

1 stop38h 33m

Incheon Intl

Mon 10/26

6:35 pm-10:57 pm

1 stop19h 22m

$1,327

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 10/12

8:00 am-3:45 pm

1 stop40h 45m

Incheon Intl

Mon 10/26

6:35 pm-11:37 am

2 stops32h 02m

$1,331

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Mon 10/26

9:00 am-10:05 pm

2 stops22h 05m

Seoul Gimpo Intl

Thu 11/5

8:00 am-3:16 pm

2 stops23h 16m

$1,396

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

Mon 10/26

2:12 pm-10:55 am

2 stops29h 43m

Seoul Gimpo Intl

Wed 11/18

8:00 am-11:31 am

2 stops19h 31m

$1,402

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 11/2

12:45 pm-5:15 pm

2 stops36h 30m

Incheon Intl

Mon 11/9

12:20 am-8:27 pm

2 stops60h 07m

$1,614

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

Mon 11/2

12:45 pm-5:15 pm

2 stops36h 30m

Incheon Intl

Thu 11/5

12:20 am-8:27 pm

2 stops36h 07m

$1,644

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

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Other information

What is the cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Colorado averaging around $70.

How far in advance should I book a flight from Colorado 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 $1,213 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 $1,048 on momondo.

Can stopping save me money on Colorado to Seoul flights?

You could potentially save up to 25% 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

Fastest flight time	15h 30m
Direct flights	None

The fastest flight from Colorado to Seoul takes 15h 30m

There are no direct flights from Colorado to Seoul. There are no popular flight routes from Colorado to Seoul.

Search flight deals

Frequently asked questions about flying from Colorado to Seoul

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?
As of May 2026, there are 9 operators available to choose from 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
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
Korean Air	PriceFrom $519	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
AIR PREMIA	PriceFrom $608	Free Cancellation	Rating 8.1 90 reviews	Search AIR PREMIA flights
Asiana Airlines	PriceFrom $757	Free Cancellation	Rating 8.1 530 reviews	Search Asiana Airlines flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $878	Free Cancellation	Rating 7.4 4,356 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $912	Free Cancellation	Rating 7.1 11,008 reviews	Search Air Canada flights
WestJet	PriceFrom $1,213	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet 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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Cheap flights from Colorado to Seoul from $504

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 9/15. 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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China Eastern flights from Colorado to Seoul

Our best China Eastern deals on Colorado to Seoul flight tickets

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Our best American Airlines deals on Colorado to Seoul flight tickets

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How to get the cheapest flight ticket from Colorado to Seoul

What is the cheapest month to fly to Seoul?

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

Can stopping save me money on Colorado to Seoul flights?

What is the cheapest airline that flies from Colorado to Seoul?

What airlines fly to Seoul?

How long does it take to fly to Seoul?

Cheap Colorado to Seoul flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Colorado to Seoul

Best airlines flying from Colorado to Seoul

Compare and see reviews for airlines that fly from Colorado to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Seoul

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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