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$405+ Cheap flights from Denver (DEN) to South Korea

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Cheap flight deals from Denver to South Korea

Keep the following information in mind while searching for Denver to South Korea flight deals. Data was last updated November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$777
(Kiwi.com)

One-way from

$405
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,121
Provider with most accurate pricing for Denver Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Seoul (SEL) flights.
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From Denver Intl to South Korea
Search Deals
One-way flight from Denver Intl to South Korea
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Highest demand for flights based on searches. 16% potential increase in price ($253 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Denver to South Korea

Cheapest flights from Denver to South Korea
Explore the most affordable flight options available from Denver to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Tue 12/99:44 pmDEN - ICN
2 stops28h 51mMultiple Airlines
Sat 12/131:20 pmICN - DEN
1 stop19h 21mMultiple Airlines
Deal found 11/24$800
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
Sat 12/610:29 pmDEN - ICN
1 stop30h 01mMultiple Airlines
Sat 12/131:20 pmICN - DEN
1 stop36h 52mMultiple Airlines
Deal found 11/23$809
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Mon 12/18:31 amDEN - ICN
1 stop28h 39mMultiple Airlines
Fri 12/510:20 pmICN - DEN
1 stop34h 21mMultiple Airlines
Deal found 11/25$890
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Mon 12/110:08 amDEN - ICN
2 stops43h 27mMultiple Airlines
Sun 12/710:20 pmICN - DEN
1 stop17h 57mMultiple Airlines
Deal found 11/24$912
This eDestinos deal was found by Cheapflights users on 11/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Fri 12/1212:10 amICN - DEN
1 stop33h 25mTurkish Airlines
Deal found 11/23$921
This FlightHub deal was found by Cheapflights users on 11/25. 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.
Fri 12/266:45 amDEN - ICN
2 stops37h 10mChina Eastern
Thu 2/54:20 pmICN - DEN
2 stops41h 40mChina Eastern
Deal found 11/25$939
This ANA deal was found by Cheapflights users on 11/22. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 amDEN - GMP
2 stops43h 00mANA
Mon 12/812:25 pmGMP - DEN
2 stops23h 01mANA
Deal found 11/22$946
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Sun 11/306:05 amDEN - ICN
1 stop22h 25mMultiple Airlines
Sat 12/61:20 pmICN - DEN
1 stop19h 21mMultiple Airlines
Deal found 11/25$948
This Expedia deal was found by Cheapflights users on 11/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:05 pmDEN - GMP
2 stops35h 25mMultiple Airlines
Sat 12/63:50 pmGMP - DEN
2 stops36h 47mMultiple Airlines
Deal found 11/25$1,122
This Booking.com deal was found by Cheapflights users on 11/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:40 pmDEN - GMP
2 stops27h 25mAir China
Fri 12/52:25 pmGMP - DEN
2 stops33h 58mAir China
Deal found 11/24$1,253
This Japan Airlines deal was found by Cheapflights users on 11/22. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:10 pmDEN - GMP
2 stops35h 55mMultiple Airlines
Thu 12/1812:05 pmGMP - DEN
2 stops20h 25mMultiple Airlines
Deal found 11/22$1,351
This Japan Airlines deal was found by Cheapflights users on 11/23. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:10 pmDEN - GMP
2 stops35h 55mMultiple Airlines
Sat 12/138:00 amGMP - DEN
2 stops19h 24mMultiple Airlines
Deal found 11/23$1,406

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to South Korea 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 November 25, 2025.
Use the filters below to find and compare flights from Denver to South Korea that are best for you.

Fly from

Denver

Fly to

South Korea

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 12/26

10:29 pm-8:30 pm

1 stop30h 01m

Incheon Intl

Thu 2/5

9:20 pm-4:25 pm

2 stops35h 05m

$986

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Sun 1/18

6:24 am-11:35 am

2 stops37h 11m

Busan Gimhae

Thu 1/22

5:50 pm-6:10 pm

2 stops40h 20m

$992

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 4/1

8:45 am-4:05 pm

1 stop16h 20m

Incheon Intl

Wed 7/22

5:45 pm-8:50 am

2 stops30h 05m

$1,145

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 3/5

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Thu 3/12

12:10 am-4:00 pm

2 stops30h 50m

$1,173

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 2/7

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Mon 2/16

12:10 am-10:05 pm

2 stops37h 55m

$1,175

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 3/5

6:45 pm-6:35 pm

2 stops31h 50m

Incheon Intl

Fri 3/13

8:35 pm-10:42 am

2 stops29h 07m

$1,177

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 3/7

8:04 pm-7:25 pm

2 stops55h 21m

Incheon Intl

Sun 3/15

8:35 pm-7:14 pm

2 stops61h 39m

$1,201

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 1/9

7:39 pm-6:35 pm

2 stops30h 56m

Incheon Intl

Fri 1/16

8:35 pm-11:38 am

2 stops31h 03m

$1,227

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 1/3

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 1/30

12:10 am-2:51 pm

2 stops30h 41m

$1,233

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Tue 1/13

6:24 am-4:50 pm

2 stops42h 26m

Busan Gimhae

Tue 3/24

12:35 pm-6:09 pm

2 stops44h 34m

$1,240

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 51 results
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Best time to book a flight from Denver to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Denver 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 Denver to South Korea

What is the cheapest month to book a flight from Denver to South Korea?

Currently, February is the cheapest month in which you can book a flight from Denver to South Korea (average of $103). Flying from Denver to South Korea in June is currently the most expensive (average of $1,458). 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 DEN to KR?

Find hourly flight availability from Denver to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to South Korea in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Denver to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Denver to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to South Korea flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated November 25, 2025.
Read through reviews of airlines operating flights from Denver to South Korea, such as Korean Air, Asiana Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,170 reviews
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
490 reviews
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
7,998 reviews
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,059 reviews
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,476 reviews
Korean Air
8.4
Very good
1,170 reviews

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • What airport do you fly from for flights from Denver to South Korea?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to South Korea. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

  • How long is the flight from Denver to South Korea?

    Turkish Airlines, China Eastern, and Philippine Airlines can get you from Denver to South Korea in just under 31h. Your travel time can differ by up to 18h 47m. Denver and South Korea are separated by a distance of 6186 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Denver to South Korea?

    Most travelers choose Denver Intl - Incheon Intl, Denver Intl - Seoul Gimpo Intl or Denver Intl - Busan Gimhae when deciding on the best route from Denver to South Korea.

  • Can I find deals for flights from Denver to South Korea that include hotel bookings?

    Yes. In addition to deals on Denver to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to South Korea?

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

  • Can I find deals for business class flights from Denver to South Korea?

    Yes. Cheapflights offers flight deals from Denver to South Korea 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 Denver to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Denver to South Korea (average of $103). Flying from Denver to South Korea in June is currently the most expensive (average of $1,458). 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 Denver to South Korea

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

Discover the top 10 airlines that operate flights from Denver to South Korea. 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 November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$189Average$660FlexibilityNo cancel feeOn-time69%
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$587Average$1,116FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$896FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,251FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$841Average$1,556FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$877Average$1,077FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$940Average$1,222FlexibilityNo cancel feeOn-time67%

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