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$375+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
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 enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$757
(Kiwi.com)

One-way from

$375
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,140
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
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One-way flight from Denver Intl to South Korea
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Highest demand for flights based on searches. 4% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
mié. 3/49:31 pmDEN - ICN
1 stop26h 49mMultiple Airlines
lun. 3/238:35 pmICN - DEN
2 stops28h 12mMultiple Airlines
Deal found 1/7$765
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 2/166:00 amDEN - ICN
1 stop31h 10mMultiple Airlines
vie. 2/206:55 pmICN - DEN
1 stop31h 07mMultiple Airlines
Deal found 1/7$767
This Kiwi.com deal was found by Cheapflights users on 1/7. 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. 3/2410:30 pmDEN - ICN
1 stop26h 50mMultiple Airlines
mié. 4/16:20 pmICN - DEN
1 stop16h 28mMultiple Airlines
Deal found 1/7$769
This Kiwi.com deal was found by Cheapflights users on 1/6. 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. 2/39:44 pmDEN - ICN
1 stop39h 26mMultiple Airlines
mar. 2/109:20 pmICN - DEN
2 stops30h 30mMultiple Airlines
Deal found 1/6$771
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 3/2310:30 pmDEN - ICN
1 stop26h 50mMultiple Airlines
mié. 4/16:20 pmICN - DEN
1 stop16h 28mMultiple Airlines
Deal found 1/7$774
This Kiwi.com deal was found by Cheapflights users on 1/7. 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. 3/39:31 pmDEN - ICN
1 stop26h 49mMultiple Airlines
lun. 3/238:35 pmICN - DEN
2 stops28h 12mMultiple Airlines
Deal found 1/7$779
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
vie. 1/3010:43 pmDEN - ICN
1 stop25h 37mMultiple Airlines
dom. 2/89:20 pmICN - DEN
2 stops50h 34mMultiple Airlines
Deal found 1/6$781
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
lun. 2/1610:43 pmDEN - ICN
1 stop25h 37mMultiple Airlines
jue. 2/199:20 pmICN - DEN
2 stops18h 39mMultiple Airlines
Deal found 1/7$788
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
dom. 3/16:00 amDEN - ICN
1 stop31h 10mMultiple Airlines
lun. 3/238:35 pmICN - DEN
2 stops28h 12mMultiple Airlines
Deal found 1/7$796
This Kiwi.com deal was found by Cheapflights users on 1/7. 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. 3/39:31 pmDEN - ICN
1 stop26h 49mMultiple Airlines
dom. 3/228:35 pmICN - DEN
2 stops28h 12mMultiple Airlines
Deal found 1/7$798
This Kiwi.com deal was found by Cheapflights users on 1/6. 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. 3/3110:30 pmDEN - ICN
1 stop26h 15mMultiple Airlines
mar. 4/149:10 pmICN - DEN
2 stops17h 46mMultiple Airlines
Deal found 1/6$805
This Expedia deal was found by Cheapflights users on 1/7. 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.
jue. 4/97:00 amDEN - PUS
2 stops33h 45mMultiple Airlines
vie. 4/1710:40 amPUS - DEN
2 stops28h 16mMultiple Airlines
Deal found 1/7$1,135

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 enero 8, 2026.
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

dom. 3/22

10:30 pm-4:20 pm

1 stop26h 50m

Incheon Intl

mié. 4/1

8:35 pm-9:57 am

2 stops28h 22m

$852

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 3/9

10:30 pm-4:20 pm

1 stop26h 50m

Incheon Intl

vie. 3/13

6:55 pm-11:59 pm

2 stops20h 04m

$920

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 4/7

8:45 am-4:05 pm

1 stop16h 20m

Incheon Intl

lun. 4/13

8:05 pm-12:33 pm

2 stops31h 28m

$943

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mié. 2/11

7:15 pm-4:00 pm

2 stops28h 45m

Incheon Intl

mar. 2/17

3:00 pm-12:37 pm

2 stops37h 37m

$956

DenverIncheon

DEN - ICN

DENICN

Denver Intl

sáb. 2/7

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

lun. 2/16

12:10 am-5:35 pm

1 stop33h 25m

$1,000

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 2/16

7:25 pm-4:00 pm

2 stops28h 35m

Incheon Intl

vie. 2/20

3:00 pm-12:28 pm

2 stops37h 28m

$1,001

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 3/23

6:11 pm-5:05 am

1 stop19h 54m

Incheon Intl

mar. 3/31

8:40 pm-12:37 am

1 stop18h 57m

$1,004

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 5/1

9:05 pm-11:30 am

2 stops23h 25m

Incheon Intl

mié. 5/13

12:45 pm-8:40 pm

2 stops22h 55m

$1,067

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 5/8

9:05 pm-11:30 am

2 stops23h 25m

Incheon Intl

mié. 5/13

12:45 pm-8:40 pm

2 stops22h 55m

$1,067

DenverIncheon

DEN - ICN

DENICN

Denver Intl

dom. 3/22

10:30 pm-4:20 pm

1 stop26h 50m

Incheon Intl

mar. 3/31

9:10 pm-11:56 pm

2 stops17h 46m

$1,073

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 48 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, May is the cheapest month in which you can book a flight from Denver to South Korea (average of $189). Flying from Denver to South Korea in June is currently the most expensive (average of $1,408). 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 enero 8, 2026.

A simple way to save on the total cost of your ticket is to fly from Denver to South Korea at noon. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight in the evening.

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 March 30, 2025.

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 enero 8, 2026.
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
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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
499 reviews
Korean Air
8.4
Very good
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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
8,025 reviews
Korean Air
8.4
Very good
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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
4,150 reviews
Korean Air
8.4
Very good
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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
10,603 reviews
Korean Air
8.4
Very good
1,188 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

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 and ANA can get you from Denver to South Korea in just under 22h 30m. Your travel time can differ by up to 8h 30m. Denver and South Korea are separated by a distance of 6168 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to South Korea one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $469. Air Canada flights start at $551 while deals on Asiana Airlines start at $553 one-way.

  • 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, May is the cheapest month in which you can book a flight from Denver to South Korea (average of $189). Flying from Denver to South Korea in June is currently the most expensive (average of $1,408). 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 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$146FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$187Average$660FlexibilityNo cancel feeOn-time69%
DeltaCheapest$474Average$1,099FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$741Average$1,257FlexibilityNo cancel feeOn-time76%
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$838Average$1,621FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$865Average$995FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$877Average$1,077FlexibilityNo cancel feeOn-time71%
China EasternCheapest$914Average$1,754FlexibilityNo cancel feeOn-time62%

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