S$726 Cheap Flights from Denver to Seoul

View S$726 flight on Tue, 14 Apr, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)

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Cheap Flights from Denver to Seoul (DEN-ICN)

Prices were available within the past 7 days and start at S$726 for one-way flights and S$1,581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 15 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,581 Return, found 6 days ago
S$1,581
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 15 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,581 found 6 days ago
United
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,674 Return, found 6 days ago
S$1,674
Return
found 6 days ago
Select United flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,674 found 6 days ago
Asiana Airlines
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,675 Return, found 6 days ago
S$1,675
Return
found 6 days ago
Select Asiana Airlines flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,675 found 6 days ago
Asiana Airlines
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,677 Return, found 6 days ago
S$1,677
Return
found 6 days ago
Select Asiana Airlines flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,677 found 6 days ago
United
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,722 Return, found 6 days ago
S$1,722
Return
found 6 days ago
Select United flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,722 found 6 days ago
Alaska Airlines
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,755 Return, found 6 days ago
S$1,755
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,755 found 6 days ago
Alaska Airlines
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,774 Return, found 6 days ago
S$1,774
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,774 found 6 days ago
Alaska Airlines
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,799 Return, found 6 days ago
S$1,799
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,799 found 6 days ago
Air Canada
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$1,824 Return, found 6 days ago
S$1,824
Return
found 6 days ago
Select Air Canada flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$1,824 found 6 days ago
Delta
Tue, 14 Apr - Fri, 24 Apr
DEN
Denver
ICN
Seoul
S$2,040 Return, found 6 days ago
S$2,040
Return
found 6 days ago
Select Delta flight, departing Tue, 14 Apr from Denver to Seoul, returning Fri, 24 Apr, priced at S$2,040 found 6 days ago

Find the cheapest month to fly from Denver (DEN) to Seoul (ICN)

September is typically the cheapest month to fly

From S$1,090 - S$1,743 per traveller.
Denver to Seoul route information
Origin airport
Denver Intl.
Destination airport
Incheon Intl.
Return price
S$1,581
Distance
9903 km

Flights from Denver to Incheon

There are several airlines that operate frequent flights from Denver (DEN) to Seoul (ICN) including

The earliest flight leaves Denver Intl. Airport at 05:00 and arrives at Incheon Intl. Airport at 04:00. The last flight of the day departs Denver at 21:00 and arrives at Seoul at 23:05.

The flight distance from Denver to Seoul is about 10999 km, the shortest flight is 14 hours 48 minutes with .

Expedia lets you search across the largest number of airlines and Incheon flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Denver Incheon flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Denver to Incheon trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Incheon flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Denver to Incheon with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Denver Airport to Incheon Intl. Airport (ICN)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from DEN to ICN was S$1,581. Fares this good don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to Seoul–Incheon Intl. Airport?
The majority of flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from DEN to ICN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Denver Airport to Incheon Intl. Airport (ICN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DEN to Seoul–Incheon Intl. Airport?
You'll have 10,000 kilometres to cover on the long-haul Denver to South Korea route. Dress in layers of comfy clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from DEN to Seoul–Incheon Intl. Airport?
There are no direct flights, so you'll need to make at least one stop between DIA airport and Seoul–Incheon Intl. Airport. Use the layover time to stretch your legs and enjoy some personal space.
Are DIA airport to Incheon Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from DIA airport to Seoul–Incheon Intl. Airport can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you'd rather play it safe and start planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices so far in advance. Our top tip? Check back often as updates are made frequently.

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