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Incheon Intl

$381+ Cheap flights from Denver (DEN) to Incheon Intl (ICN)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ICN
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Denver to Incheon Intl

Cheapest flights from Denver to Incheon Intl
Explore the most affordable flight options available from Denver to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:02 amDEN - ICN
1 stop20h 33mMultiple Airlines
Wed 1/79:55 pmICN - DEN
1 stop33h 38mMultiple Airlines
Deal found 12/26$1,619
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 pmDEN - ICN
1 stop28h 55mAir Canada
Wed 1/75:55 pmICN - DEN
1 stop15h 49mAir Canada
Deal found 12/26$1,800
This Ovago deal was found by Cheapflights users on 12/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 amDEN - ICN
1 stop19h 45mJapan Airlines
Wed 12/317:15 pmICN - DEN
1 stop16h 56mJapan Airlines
Deal found 12/25$1,977
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/2910:16 amDEN - ICN
1 stop27h 04mMultiple Airlines
Wed 12/3110:50 pmICN - DEN
2 stops26h 14mMultiple Airlines
Deal found 12/25$2,004
This Arangrant deal was found by Cheapflights users on 12/26. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:20 pmDEN - ICN
1 stop31h 00mTurkish Airlines
Fri 1/210:45 amICN - DEN
1 stop46h 50mTurkish Airlines
Deal found 12/26$5,884
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:02 amDEN - ICN
2 stops47h 33mMultiple Airlines
Fri 1/29:00 pmICN - DEN
1 stop35h 30mMultiple Airlines
Deal found 12/26$6,205

Find flight deals from Denver to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$801
(Kiwi.com)

One-way from

$381
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,528
Provider with most accurate pricing for Denver Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Incheon Intl flights.
Search Deals
From Denver Intl to Incheon Intl
Search Deals
One-way flight from Denver Intl to Incheon Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Incheon Intl 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 December 28, 2025.
Use the filters below to find and compare flights from Denver to Incheon Intl Airport that are best for you.

Fly from

Denver

Fly to

Incheon Intl

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 2/6

9:00 pm-6:35 pm

2 stops29h 35m

Incheon Intl

Sun 3/1

6:55 pm-10:02 am

1 stop31h 07m

$831

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 1/28

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Tue 3/3

9:20 pm-8:46 pm

2 stops39h 26m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 3/5

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 3/13

10:45 am-6:35 pm

1 stop46h 50m

$931

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 3/12

10:30 pm-4:20 pm

1 stop26h 50m

Incheon Intl

Sat 3/28

2:50 pm-9:44 am

2 stops33h 54m

$995

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 5/3

8:25 pm-8:35 am

1 stop45h 10m

Incheon Intl

Wed 5/20

11:20 pm-6:25 pm

1 stop34h 05m

$1,001

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-5:35 pm

1 stop33h 25m

$1,003

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 4/30

8:45 am-4:05 pm

1 stop16h 20m

Incheon Intl

Mon 5/11

8:05 pm-5:00 pm

2 stops35h 55m

$1,044

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 5/1

8:10 pm-11:30 am

2 stops24h 20m

Incheon Intl

Fri 5/8

12:45 pm-7:25 pm

2 stops21h 40m

$1,076

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 4/4

7:16 pm-4:05 pm

2 stops29h 49m

Incheon Intl

Sun 4/12

8:05 pm-4:34 pm

2 stops35h 29m

$1,087

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 4/16

8:45 am-4:05 pm

1 stop16h 20m

Incheon Intl

Sat 4/25

8:05 pm-12:38 pm

2 stops31h 33m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 16 results
1
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Compare providers for flights from Denver to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Incheon Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

How far ahead should I book a flight from Denver to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Incheon Intl. Price data was last updated on December 26, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Denver to Incheon Intl Airport (average of $103). Flying from Denver to Incheon Intl Airport in June is currently the most expensive (average of $1,515). 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 ICN?

Find hourly flight availability from Denver to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Denver to Incheon Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Denver to Incheon Intl Airport?

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated December 28, 2025.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, and Delta from Denver to Incheon Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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
8.5
Very good
1,184 reviews
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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
501 reviews
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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
8,015 reviews
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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.
United Airlines
7.4
Good
9,113 reviews
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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
10,562 reviews
Korean Air
8.5
Very good
1,184 reviews

Entertainment

8.2

Overall

8.5

Food

8.1

Boarding

8.5

Crew

8.7

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 Incheon Intl. 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 Incheon Intl?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Incheon Intl. You should not have trouble finding flights to Incheon Intl from Denver Intl; the airport handles an average of 0 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 10 airlines have flights from the Denver airport to Incheon Intl. 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 Incheon Intl Airport?

    Departing from Denver to Incheon Intl Airport will take you 31h. The distance from Denver to Incheon Intl Airport is about 6186 mi.

  • What are the cheapest airlines flying from Denver to Incheon Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to Incheon Intl Airport, with prices starting at $54. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $187 and $474, respectively. Frontier is 95% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Denver to Incheon Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $469. However, be on the lookout for offers from Asiana Airlines and Air Canada, as they are both options that can get you from Denver to Incheon Intl Airport for a low price.

  • Can I find deals for flights from Denver to Incheon Intl that include hotel bookings?

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

  • How can I find direct flights from Denver to Incheon Intl?

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

  • Can I find deals for business class flights from Denver to Incheon Intl?

    Yes. Cheapflights offers flight deals from Denver to Incheon Intl 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 Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Denver to Incheon Intl Airport (average of $103). Flying from Denver to Incheon Intl Airport in June is currently the most expensive (average of $1,515). 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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Alternative routes for Denver to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Gimpo Intl flights
Colorado Springs to Incheon Intl flights

Top 10 airlines flying from Denver to Incheon Intl

Discover the top 10 airlines that operate flights from Denver to Incheon Intl. 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$142FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$187Average$660FlexibilityNo cancel feeOn-time69%
DeltaCheapest$478Average$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$1,602FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$865Average$995FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$877Average$1,077FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$975Average$1,224FlexibilityNo cancel feeOn-time67%

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