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$417+ Cheap flights from Colorado to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEL
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
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Cheap flight deals from Colorado to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 17, 2025.

Round-trip from

$773
(Kiwi.com)

One-way from

$417
(Kiwi.com)
From Colorado to Seoul (SEL)
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One-way flight from Colorado to Seoul (SEL)
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Find flight deals from Colorado to Seoul

Cheapest flights from Colorado to Seoul
Explore the most affordable flight options available from Colorado to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/1810:47 pmDEN - ICN
2 stops30h 18mMultiple Airlines
lun. 2/246:55 pmICN - DEN
1 stop20h 56mMultiple Airlines
Deal found 1/15$773
This FlightHub deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/37:35 pmDEN - ICN
1 stop30h 45mTurkish Airlines
lun. 3/319:30 amICN - DEN
1 stop47h 40mTurkish Airlines
Deal found 1/16$788
This American Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/295:00 amDEN - ICN
1 stop19h 30mAmerican Airlines
jue. 5/155:25 pmICN - DEN
1 stop21h 10mAmerican Airlines
Deal found 1/14$877
This Ovago deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/156:55 amDEN - ICN
2 stops43h 30mChina Eastern
mié. 5/148:55 amICN - DEN
2 stops24h 16mChina Eastern
Deal found 1/16$914
This FlightHub deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/46:50 amDEN - GMP
2 stops36h 10mChina Eastern
mar. 4/18:50 pmGMP - DEN
2 stops36h 22mChina Eastern
Deal found 1/16$966
This FlightHub deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:00 pmDEN - ICN
1 stop18h 20mAsiana Airlines
mar. 9/238:40 pmICN - DEN
1 stop15h 39mAsiana Airlines
Deal found 1/14$1,107
This Justfly.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/117:09 pmDEN - ICN
2 stops52h 06mAir Canada
mar. 2/184:55 pmICN - DEN
2 stops41h 25mAir Canada
Deal found 1/14$1,154
This Gotogate deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/18:57 pmDEN - GMP
2 stops34h 23mJapan Airlines
dom. 11/97:50 amGMP - DEN
2 stops23h 58mJapan Airlines
Deal found 1/15$1,262
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/26:00 amCOS - ICN
1 stop18h 45mAmerican Airlines
lun. 3/315:25 pmICN - COS
1 stop17h 46mAmerican Airlines
Deal found 1/15$1,300
This CheapOair deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/216:55 amDEN - GMP
2 stops37h 05mMultiple Airlines
lun. 5/57:55 amGMP - DEN
2 stops24h 43mMultiple Airlines
Deal found 1/15$1,316
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/26:30 pmCOS - ICN
2 stops29h 45mUnited Airlines
lun. 3/314:50 pmICN - COS
2 stops19h 46mUnited Airlines
Deal found 1/15$1,383
This Ovago deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/131:26 pmDEN - GMP
2 stops31h 39mAir China
jue. 2/202:25 pmGMP - DEN
2 stops34h 02mAir China
Deal found 1/16$1,449

Find flights from Colorado to Seoul within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 2/18

10:47 pm-10:05 pm

2 stops31h 18m

Incheon Intl

mié. 2/26

6:55 pm-6:33 pm

1 stop15h 38m

$781

DenverIncheon

DEN - ICN

DENICN

Denver Intl

dom. 3/2

7:35 pm-6:20 pm

1 stop30h 45m

Incheon Intl

sáb. 3/8

10:45 am-5:40 pm

1 stop46h 55m

$788

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 3/17

6:55 am-1:30 pm

2 stops39h 35m

Incheon Intl

mar. 4/1

6:25 pm-6:12 pm

2 stops38h 47m

$824

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

mar. 3/4

6:50 am-11:00 am

2 stops36h 10m

Seoul Gimpo Intl

mar. 4/1

8:50 pm-6:12 pm

2 stops36h 22m

$966

DenverIncheon

DEN - ICN

DENICN

Denver Intl

sáb. 3/1

7:11 pm-3:15 pm

2 stops52h 04m

Incheon Intl

jue. 3/20

4:55 pm-6:15 pm

2 stops40h 20m

$1,154

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

lun. 4/21

6:55 am-11:00 am

2 stops37h 05m

Seoul Gimpo Intl

lun. 5/5

7:55 am-5:38 pm

2 stops24h 43m

$1,316

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

mar. 4/15

7:00 am-10:00 pm

2 stops24h 00m

Seoul Gimpo Intl

mar. 5/6

7:20 pm-5:22 pm

2 stops37h 02m

$1,341

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

jue. 2/13

1:26 pm-1:05 pm

2 stops31h 39m

Seoul Gimpo Intl

jue. 2/20

2:25 pm-8:27 am

2 stops34h 02m

$1,449

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

sáb. 2/15

7:15 am-4:45 pm

1 stop41h 30m

Incheon Intl

vie. 2/21

6:50 pm-8:14 pm

1 stop17h 24m

$1,488

Colorado SpringsIncheon

COS - ICN

COSICN

Colorado Springs

mar. 2/4

12:40 pm-5:15 pm

2 stops36h 35m

Incheon Intl

lun. 2/10

12:20 am-8:10 pm

2 stops35h 50m

$1,514

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 33 results
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Best time to book a flight from Colorado to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Colorado to Seoul

Get recent, data-driven insights about flights from Colorado to Seoul including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Colorado to Seoul?

Currently, October is the cheapest month in which you can book a flight from Colorado to Seoul (average of $1,086). Flying from Colorado to Seoul in June is currently the most expensive (average of $1,723). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to SEL?

Find hourly flight availability from Colorado to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Seoul as you normally would.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated enero 17, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines, American Airlines and China Eastern from Colorado to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
847 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,448 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
465 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,327 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Colorado to Seoul one-way?

    The cheapest airlines for a one-way flight from Colorado to Seoul are Air Canada ($620), Japan Airlines ($767), and American Airlines ($797).

  • What are the most popular routes from Colorado to Seoul?

    The most popular route from Colorado to Seoul is Denver Intl - Incheon Intl. You may also consider Denver Intl - Seoul Gimpo Intl or Colorado Springs - Incheon Intl.

  • Can I find deals for flights from Colorado to Seoul that include hotel bookings?

    Yes. In addition to deals on Colorado to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Seoul.

  • Can I find deals for business class flights from Colorado to Seoul?

    Yes. Cheapflights offers flight deals from Colorado to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Seoul?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Seoul (average of $1,086). Flying from Colorado to Seoul in June is currently the most expensive (average of $1,723). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Colorado to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Colorado to Seoul

Discover the top 10 airlines that operate flights from Colorado to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$127FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$755Average$959FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$857Average$1,384FlexibilityNo cancel feeOn-time67%
DeltaCheapest$876Average$1,234FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$902Average$1,577FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$906Average$1,402FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$996Average$1,333FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,103Average$1,306FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$1,201Average$1,294FlexibilityNo cancel feeOn-time70%
Japan AirlinesCheapest$1,583Average$1,750FlexibilityNo cancel feeOn-time79%
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