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$329+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
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 noviembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$774
(Kiwi.com)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,149
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. 16% potential increase in price ($254 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 noviembre 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. 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. 12/56:00 amDEN - ICN
1 stop22h 30mMultiple Airlines
jue. 12/119:20 pmICN - DEN
2 stops43h 00mMultiple Airlines
Deal found 11/2$773
This Kiwi.com deal was found by Cheapflights users on 11/3. 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. 12/510:50 pmDEN - ICN
1 stop25h 30mMultiple Airlines
lun. 12/86:55 pmICN - DEN
1 stop31h 17mMultiple Airlines
Deal found 11/3$792
This Kiwi.com deal was found by Cheapflights users on 11/2. 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. 11/168:00 amDEN - ICN
2 stops36h 20mMultiple Airlines
dom. 12/146:55 pmICN - DEN
1 stop16h 53mMultiple Airlines
Deal found 11/2$812
This Kiwi.com deal was found by Cheapflights users on 11/3. 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. 12/35:01 pmDEN - ICN
1 stop20h 09mMultiple Airlines
mié. 12/106:55 pmICN - DEN
2 stops41h 17mMultiple Airlines
Deal found 11/3$814
This Kiwi.com deal was found by Cheapflights users on 11/1. 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. 12/110:29 pmDEN - ICN
1 stop25h 51mMultiple Airlines
lun. 12/86:55 pmICN - DEN
1 stop31h 17mMultiple Airlines
Deal found 11/1$850
This Kiwi.com deal was found by Cheapflights users on 11/3. 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. 12/25:01 pmDEN - ICN
1 stop31h 19mMultiple Airlines
mar. 12/91:20 pmICN - DEN
2 stops36h 52mMultiple Airlines
Deal found 11/3$852
This FlightHub deal was found by Cheapflights users on 11/3. 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. 12/26:25 amDEN - GMP
2 stops36h 35mChina Eastern
mar. 12/98:50 pmGMP - DEN
2 stops37h 42mChina Eastern
Deal found 11/3$918
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/14:05 pmDEN - GMP
2 stops29h 00mAir China
lun. 12/82:25 pmGMP - DEN
2 stops33h 58mAir China
Deal found 11/2$1,196
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:30 amDEN - GMP
2 stops39h 05mANA
mié. 12/1012:25 pmGMP - DEN
2 stops23h 01mANA
Deal found 11/3$1,384
This Japan Airlines deal was found by Cheapflights users on 11/3. 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.
mié. 12/36:00 amDEN - GMP
2 stops24h 05mMultiple Airlines
mié. 12/1012:05 pmGMP - DEN
2 stops21h 34mMultiple Airlines
Deal found 11/3$1,398
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/101:45 pmDEN - GMP
2 stops31h 20mAir China
mié. 12/38:50 amGMP - DEN
2 stops25h 35mAir China
Deal found 11/2$1,399
This Gotogate deal was found by Cheapflights users on 11/2. 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.
dom. 11/1611:31 amDEN - GMP
2 stops42h 59mANA
dom. 12/147:50 pmGMP - DEN
2 stops36h 32mANA
Deal found 11/2$1,429

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 noviembre 4, 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

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

mar. 12/2

6:25 am-11:00 am

2 stops36h 35m

Seoul Gimpo Intl

mar. 12/9

8:50 pm-6:32 pm

2 stops37h 42m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 1/20

11:49 am-6:35 pm

2 stops38h 46m

Incheon Intl

vie. 1/30

8:35 pm-10:53 am

2 stops54h 18m

$1,028

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 1/16

11:49 am-6:35 pm

2 stops38h 46m

Incheon Intl

lun. 1/26

8:35 pm-10:53 am

2 stops30h 18m

$1,061

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 1/16

11:49 am-6:35 pm

2 stops62h 46m

Incheon Intl

sáb. 1/24

8:35 pm-10:53 am

2 stops30h 18m

$1,070

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 1/16

11:49 am-6:35 pm

2 stops38h 46m

Incheon Intl

dom. 1/25

8:35 pm-10:53 am

2 stops30h 18m

$1,070

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 1/19

11:49 am-6:35 pm

2 stops62h 46m

Incheon Intl

dom. 1/25

8:35 pm-10:53 am

2 stops30h 18m

$1,075

DenverIncheon

DEN - ICN

DENICN

Denver Intl

lun. 1/19

11:49 am-6:35 pm

2 stops62h 46m

Incheon Intl

vie. 1/30

8:35 pm-10:53 am

2 stops54h 18m

$1,092

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

lun. 12/1

4:05 pm-1:05 pm

2 stops29h 00m

Seoul Gimpo Intl

lun. 12/8

2:25 pm-8:23 am

2 stops33h 58m

$1,196

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mié. 3/11

11:30 am-6:35 pm

2 stops40h 05m

Incheon Intl

dom. 3/22

8:35 pm-11:19 am

2 stops29h 44m

$1,233

DenverIncheon

DEN - ICN

DENICN

Denver Intl

sáb. 3/21

7:04 pm-6:35 pm

2 stops32h 31m

Incheon Intl

jue. 3/26

8:35 pm-11:19 am

2 stops29h 44m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 42 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 $1,490). 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 noviembre 4, 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 noviembre 4, 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
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
484 reviews
Korean Air
8.4
Very good
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
8,004 reviews
Korean Air
8.4
Very good
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
4,035 reviews
Korean Air
8.4
Very good
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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
10,403 reviews
Korean Air
8.4
Very good
1,160 reviews

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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?

    China Eastern, Alaska Airlines, and Air China can get you from Denver to South Korea in just under 29h. Your travel time can differ by up to 9h 46m. 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 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 $1,490). 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 noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$189Average$660FlexibilityNo cancel feeOn-time69%
DeltaCheapest$474Average$1,108FlexibilityNo cancel feeOn-timeN/A
AIR PREMIACheapest$585Average$615FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$748Average$1,213FlexibilityNo cancel feeOn-time60%
Turkish AirlinesCheapest$755Average$895FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$757Average$1,233FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$843Average$1,505FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$875Average$1,219FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,077FlexibilityNo cancel feeOn-time71%

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