S$661 Cheap Flights from Seoul to Denver

View S$661 flight on Mon, 20 Oct, 2025Opens in a new window

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

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Cheap Flights from Seoul to Denver (ICN-DEN)

Prices were available within the past 7 days and start at S$661 for one-way flights and S$848 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 18 Dec - Thu, 1 Jan
ICN
Seoul
DEN
Denver
S$848 Return, found 1 day ago
S$848
Return
found 1 day ago
Select United flight, departing Thu, 18 Dec from Seoul to Denver, returning Thu, 1 Jan, priced at S$848 found 1 day ago
United
Fri, 31 Oct - Fri, 7 Nov
ICN
Seoul
DEN
Denver
S$852 Return, found 5 days ago
S$852
Return
found 5 days ago
Select United flight, departing Fri, 31 Oct from Seoul to Denver, returning Fri, 7 Nov, priced at S$852 found 5 days ago
Delta
Mon, 20 Oct - Fri, 24 Oct
ICN
Seoul
DEN
Denver
S$884 Return, found 16 hours ago
S$884
Return
found 16 hours ago
Select Delta flight, departing Mon, 20 Oct from Seoul to Denver, returning Fri, 24 Oct, priced at S$884 found 16 hours ago
Delta
Fri, 31 Oct - Fri, 7 Nov
ICN
Seoul
DEN
Denver
S$888 Return, found 5 days ago
S$888
Return
found 5 days ago
Select Delta flight, departing Fri, 31 Oct from Seoul to Denver, returning Fri, 7 Nov, priced at S$888 found 5 days ago
American Airlines
Mon, 20 Oct - Fri, 24 Oct
ICN
Seoul
DEN
Denver
S$903 Return, found 16 hours ago
S$903
Return
found 16 hours ago
Select American Airlines flight, departing Mon, 20 Oct from Seoul to Denver, returning Fri, 24 Oct, priced at S$903 found 16 hours ago
Asiana Airlines
Mon, 29 Sep - Tue, 14 Oct
ICN
Seoul
DEN
Denver
S$905 Return, found 3 days ago
S$905
Return
found 3 days ago
Select Asiana Airlines flight, departing Mon, 29 Sep from Seoul to Denver, returning Tue, 14 Oct, priced at S$905 found 3 days ago
Asiana Airlines
Mon, 20 Oct - Fri, 24 Oct
ICN
Seoul
DEN
Denver
S$906 Return, found 16 hours ago
S$906
Return
found 16 hours ago
Select Asiana Airlines flight, departing Mon, 20 Oct from Seoul to Denver, returning Fri, 24 Oct, priced at S$906 found 16 hours ago
Korean Air
Tue, 5 May - Tue, 12 May
ICN
Seoul
DEN
Denver
S$907 Return, found 2 days ago
S$907
Return
found 2 days ago
Select Korean Air flight, departing Tue, 5 May from Seoul to Denver, returning Tue, 12 May, priced at S$907 found 2 days ago
Asiana Airlines
Fri, 31 Oct - Fri, 7 Nov
ICN
Seoul
DEN
Denver
S$911 Return, found 5 days ago
S$911
Return
found 5 days ago
Select Asiana Airlines flight, departing Fri, 31 Oct from Seoul to Denver, returning Fri, 7 Nov, priced at S$911 found 5 days ago
Delta
Tue, 5 May - Tue, 12 May
ICN
Seoul
DEN
Denver
S$924 Return, found 2 days ago
S$924
Return
found 2 days ago
Select Delta flight, departing Tue, 5 May from Seoul to Denver, returning Tue, 12 May, priced at S$924 found 2 days ago

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

September is typically the cheapest month to fly

From S$816 - S$1,761 per traveller.

Graph displaying average flight prices per month

Seoul to Denver route information
Origin airport
Incheon Intl.
Destination airport
Denver Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, Delta, Korean Air, Lufthansa, Singapore Airlines, Turkish Airlines, United
Return price
S$848
Distance
9903 km

Flights from Incheon to Denver

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

The earliest flight leaves Incheon Intl. Airport at 09:20 and arrives at Denver Intl. Airport at 00:14. The last flight of the day departs Seoul at 21:00 and arrives at Denver at 23:00.

The flight distance from Seoul to Denver is about 10956 km, the shortest flight is 13 hours 25 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Denver 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 Incheon Denver 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 Incheon to Denver trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Denver 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 Incheon to Denver 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 ICN to Denver Intl. Airport (DEN)?
Round-trip flights from Incheon Airport to Denver Airport start from S$848. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to Denver Airport?
This can vary from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Incheon Intl. Airport (ICN) to Denver Intl. Airport (DEN) 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 Seoul–Incheon Intl. Airport to DIA airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ICN to DEN?
With around 10,000 kilometres separating South Korea and Denver, your flight will be a long one. Pack wisely to make your journey more comfortable. Things like warm clothes and a cosy travel pillow can make a massive difference.
Which airlines fly direct from ICN to DEN?
If you want to fly straight from Incheon Airport to Denver Intl. Airport (DEN), you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Incheon Airport to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Incheon Intl. Airport (ICN) to Denver Intl. Airport (DEN) are available up to 12 months before departure on Expedia. And although you may score a fantastic last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting trapped in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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