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$421+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$812
(Kiwi.com)

One-way from

$446
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,201
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. 28% potential increase in price ($568 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
vie. 5/910:18 pmDEN - ICN
1 stop31h 12mMultiple Airlines
lun. 5/126:20 pmICN - DEN
1 stop21h 18mMultiple Airlines
Deal found 3/25$788
This Kiwi.com deal was found by Cheapflights users on 3/27. 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. 5/307:40 pmDEN - ICN
1 stop32h 05mWestJet
mar. 6/38:45 pmICN - DEN
1 stop29h 42mWestJet
Deal found 3/27$862
This FlightHub deal was found by Cheapflights users on 3/25. 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.
mar. 9/27:50 pmDEN - ICN
1 stop30h 50mTurkish Airlines
dom. 9/711:20 pmICN - DEN
1 stop33h 35mTurkish Airlines
Deal found 3/25$895
This FlightHub deal was found by Cheapflights users on 3/26. 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. 4/157:05 amDEN - ICN
2 stops41h 15mChina Eastern
jue. 5/296:25 pmICN - DEN
2 stops38h 54mChina Eastern
Deal found 3/26$939
This Expedia deal was found by Cheapflights users on 3/27. 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.
mar. 10/147:50 pmDEN - PUS
2 stops24h 25mMultiple Airlines
vie. 10/317:55 amPUS - DEN
2 stops43h 34mMultiple Airlines
Deal found 3/27$1,250
This Booking.com deal was found by Cheapflights users on 3/27. 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.
mar. 9/161:29 pmDEN - GMP
2 stops38h 06mANA
mar. 9/237:55 pmGMP - DEN
2 stops36h 55mANA
Deal found 3/27$1,424
This FlightHub deal was found by Cheapflights users on 3/27. 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.
mié. 10/1511:51 amDEN - PUS
2 stops40h 59mPhilippine Airlines
sáb. 11/18:45 pmPUS - DEN
2 stops38h 01mPhilippine Airlines
Deal found 3/27$1,500
This Booking.com deal was found by Cheapflights users on 3/27. 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.
mar. 10/211:29 pmDEN - GMP
2 stops30h 36mMultiple Airlines
vie. 11/73:45 pmGMP - DEN
2 stops19h 38mMultiple Airlines
Deal found 3/27$1,749
This Delta deal was found by Cheapflights users on 3/26. 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.
jue. 7/246:15 amDEN - PUS
2 stops23h 30mDelta
vie. 9/268:00 amPUS - DEN
2 stops26h 15mDelta
Deal found 3/26$1,797
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/276:07 amDEN - GMP
2 stops20h 53mJapan Airlines
lun. 5/57:55 amGMP - DEN
2 stops18h 07mJapan Airlines
Deal found 3/27$1,886
This FlightHub deal was found by Cheapflights users on 3/27. 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.
mié. 6/186:30 amDEN - PUS
2 stops43h 20mChina Eastern
vie. 7/45:50 pmPUS - DEN
2 stops39h 30mChina Eastern
Deal found 3/27$1,906
This FlightHub deal was found by Cheapflights users on 3/27. 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.
vie. 5/236:40 amDEN - GMP
2 stops46h 10mChina Eastern
dom. 6/18:50 pmGMP - DEN
2 stops36h 29mChina Eastern
Deal found 3/27$2,061

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 marzo 28, 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

vie. 5/9

10:18 pm-8:30 pm

1 stop31h 12m

Incheon Intl

lun. 5/12

6:20 pm-12:38 am

1 stop21h 18m

$788

DenverIncheon

DEN - ICN

DENICN

Denver Intl

vie. 5/30

7:40 pm-6:45 pm

1 stop32h 05m

Incheon Intl

mar. 6/3

8:45 pm-11:27 am

1 stop29h 42m

$862

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 9/2

7:50 pm-5:40 pm

1 stop30h 50m

Incheon Intl

dom. 9/7

11:20 pm-5:55 pm

1 stop33h 35m

$895

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 4/15

7:05 am-3:20 pm

2 stops41h 15m

Incheon Intl

jue. 5/29

6:25 pm-6:19 pm

2 stops38h 54m

$939

DenverIncheon

DEN - ICN

DENICN

Denver Intl

mar. 5/6

7:18 pm-4:05 pm

2 stops29h 47m

Incheon Intl

jue. 5/15

5:45 pm-8:51 am

2 stops30h 06m

$1,262

DenverBusan

DEN - PUS

DENPUS

Denver Intl

dom. 6/1

12:15 pm-11:15 am

3 stops32h 00m

Busan Gimhae

vie. 6/13

11:00 am-11:27 am

3 stops39h 27m

$1,540

DenverBusan

DEN - PUS

DENPUS

Denver Intl

jue. 7/24

6:15 am-8:45 pm

2 stops23h 30m

Busan Gimhae

vie. 9/26

8:00 am-7:15 pm

2 stops26h 15m

$1,797

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

mar. 4/22

1:30 pm-6:35 pm

2 stops38h 05m

Seoul Gimpo Intl

sáb. 4/26

3:45 pm-9:40 pm

2 stops20h 55m

$1,804

DenverSeoul

DEN - GMP

DENGMP

Denver Intl

dom. 4/27

6:07 am-6:00 pm

2 stops20h 53m

Seoul Gimpo Intl

lun. 5/5

7:55 am-11:02 am

2 stops18h 07m

$1,886

DenverBusan

DEN - PUS

DENPUS

Denver Intl

mié. 6/18

6:30 am-4:50 pm

2 stops43h 20m

Busan Gimhae

vie. 7/4

5:50 pm-6:20 pm

2 stops39h 30m

$1,906

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 31 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 $1,002). Flying from Denver to South Korea in June is currently the most expensive (average of $1,661). 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 marzo 28, 2025.

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

Rainfall in South Korea by month

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

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

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

If weather is an important factor for your trip to South Korea, 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 28.4 F).

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 marzo 28, 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines and ANA from Denver to South Korea to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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
1,050 reviews
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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.
Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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.
ANA
8.3
Very good
829 reviews
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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.
China Airlines
8.2
Very good
722 reviews
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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.
Singapore Airlines
8.1
Very good
1,285 reviews
Korean Air
8.4
Very good
1,050 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

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.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $496. Air China flights start at $692 while deals on Air Canada start at $705 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, February is the cheapest month in which you can book a flight from Denver to South Korea (average of $1,002). Flying from Denver to South Korea in June is currently the most expensive (average of $1,661). 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 9 airlines flying from Denver to South Korea

Discover the top 9 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$103FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$660Average$1,451FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$755Average$959FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$856Average$1,274FlexibilityNo cancel feeOn-time67%
DeltaCheapest$876Average$1,350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$877Average$1,372FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$978Average$1,598FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,103Average$1,241FlexibilityNo cancel feeOn-time76%
Japan AirlinesCheapest$1,315Average$1,750FlexibilityNo cancel feeOn-time79%
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