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Colorado

$488+ Cheap flights from Seoul (SEL) to Colorado

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DEN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Seoul to Colorado

Keep the following information in mind while searching for Seoul to Colorado flight deals. Data was last updated June 16, 2025.

Round-trip from

$645
(Orbitz)

One-way from

$488
(Travelocity)

Popular in

June

Cheapest in

March

Average price

$1,555
From Seoul (SEL) to Colorado
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One-way flight from Seoul (SEL) to Colorado
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Highest demand for flights based on searches. 1% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Seoul to Colorado

Cheapest flights from Seoul to Colorado
Explore the most affordable flight options available from Seoul to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Orbitz deal was found by Cheapflights users on 6/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/135:00 pmICN - DEN
2 stops38h 40mMultiple Airlines
Tue 7/157:48 pmDEN - ICN
1 stop29h 17mMultiple Airlines
Deal found 6/14$645
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:45 pmICN - DEN
1 stop18h 38mAir Canada
Mon 9/227:21 pmDEN - ICN
2 stops29h 44mAir Canada
Deal found 6/14$707
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:40 pmICN - DEN
1 stop28h 36mDelta
Mon 7/215:30 amDEN - ICN
1 stop18h 50mDelta
Deal found 6/14$750
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:30 amICN - DEN
1 stop20h 05mUnited Airlines
Mon 10/208:00 amDEN - ICN
1 stop29h 20mUnited Airlines
Deal found 6/16$774
This Hawaiian Airlines deal was found by Cheapflights users on 6/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:35 pmICN - DEN
1 stop35h 46mHawaiian Airlines
Wed 10/19:23 pmDEN - ICN
1 stop30h 12mHawaiian Airlines
Deal found 6/14$812
This Korean Air deal was found by Cheapflights users on 6/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/207:40 pmICN - DEN
1 stop15h 13mKorean Air
Sun 6/296:30 amDEN - ICN
1 stop19h 00mKorean Air
Deal found 6/14$823
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:35 pmICN - DEN
2 stops29h 48mAlaska Airlines
Sun 10/56:00 amDEN - ICN
2 stops21h 35mAlaska Airlines
Deal found 6/15$831
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1811:30 amICN - COS
2 stops27h 29mUnited Airlines
Mon 7/143:35 pmCOS - ICN
2 stops32h 25mUnited Airlines
Deal found 6/14$843
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/72:40 pmICN - DEN
1 stop23h 07mAsiana Airlines
Fri 7/118:01 amDEN - ICN
1 stop18h 34mAsiana Airlines
Deal found 6/16$866
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:40 pmGMP - DEN
2 stops25h 00mANA
Mon 9/221:35 pmDEN - GMP
2 stops30h 30mANA
Deal found 6/14$1,121
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:45 pmICN - COS
2 stops19h 10mMultiple Airlines
Sat 8/26:35 pmCOS - ICN
2 stops30h 30mMultiple Airlines
Deal found 6/14$1,196
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 8/155:25 pmICN - COS
2 stops33h 12mAmerican Airlines
Mon 9/1512:03 pmCOS - ICN
2 stops36h 27mAmerican Airlines
Deal found 6/14$1,354

Cheapflights Fare Finder

Customize your flight search to find flights from Seoul 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, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
Use the filters below to find and compare flights from Seoul to Colorado that are best for you.

Fly from

Seoul

Fly to

Colorado

Route

Depart

Return

Price

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Sun 7/13

5:00 pm-4:40 pm

2 stops38h 40m

Denver Intl

Tue 7/15

7:48 pm-4:05 pm

1 stop29h 17m

$645

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 9/19

5:45 pm-9:23 pm

1 stop18h 38m

Denver Intl

Mon 9/22

7:21 pm-4:05 pm

2 stops29h 44m

$707

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 7/11

7:40 pm-11:58 am

1 stop31h 18m

Denver Intl

Sat 7/19

6:10 pm-4:30 pm

2 stops31h 20m

$750

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Wed 10/8

11:30 am-4:35 pm

1 stop20h 05m

Denver Intl

Mon 10/20

8:00 am-4:20 am

1 stop29h 20m

$774

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 9/22

8:35 pm-5:21 pm

1 stop35h 46m

Denver Intl

Wed 10/1

9:23 pm-6:35 pm

1 stop30h 12m

$812

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Thu 7/10

4:40 pm-6:45 pm

1 stop17h 05m

Denver Intl

Thu 7/17

7:10 am-3:20 pm

1 stop17h 10m

$824

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Fri 11/28

2:40 pm-9:55 pm

1 stop23h 15m

Denver Intl

Sat 12/6

7:45 am-5:35 pm

1 stop17h 50m

$829

IncheonDenver

ICN - DEN

ICNDEN

Incheon Intl

Mon 9/29

8:35 pm-11:23 am

2 stops29h 48m

Denver Intl

Sun 10/5

6:00 am-6:35 pm

2 stops21h 35m

$831

IncheonColorado Springs

ICN - COS

ICNCOS

Incheon Intl

Mon 9/15

11:30 am-2:45 pm

2 stops18h 15m

Colorado Springs

Sun 9/21

5:10 pm-3:00 pm

2 stops30h 50m

$847

SeoulDenver

GMP - DEN

GMPDEN

Seoul Gimpo Intl

Fri 9/19

12:40 pm-10:40 pm

2 stops25h 00m

Denver Intl

Mon 9/22

1:35 pm-11:05 am

2 stops30h 30m

$1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 38 results
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Best time to book a flight from Seoul to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Seoul 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Seoul to Colorado (average of $197). Flying from Seoul to Colorado in March is currently the most expensive (average of $278). 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 SEL to CO?

Find hourly flight availability from Seoul to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

When flying from Seoul to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated June 16, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Seoul to Colorado by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,090 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,494 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
886 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
441 reviews
EVA Air
8.4
Very good
1,204 reviews

Crew

8.6

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Seoul to Colorado. 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 Seoul to Colorado one-way?

    The cheapest airlines for a one-way flight from Seoul to Colorado are Air Canada ($488), Delta ($580), and Alaska Airlines ($592).

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul to Colorado 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 Seoul to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Seoul to Colorado (average of $197). Flying from Seoul to Colorado in March is currently the most expensive (average of $278). 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.

See more FAQs

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Alternative routes for Seoul to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seoul to Colorado

Discover the top 6 airlines that operate flights from Seoul to Colorado. 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$685Average$1,286FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$686Average$929FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$700Average$897FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$783Average$1,122FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$800Average$1,164FlexibilityNo cancel feeOn-time76%
DeltaCheapest$877Average$1,007FlexibilityNo cancel feeOn-timeN/A

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