S$726 Cheap Flights from Seoul to Denver

View S$726 flight on Sat, 14 Jun,2025Opens in a new window

Featured airlines

Singapore Airlines
AirAsia
Scoot
Philippine Airlines
Malaysia Airlines
Thai Airways International
Asiana Airlines
Qatar Airways
Air India

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to Denver (ICN-DEN)

Prices were available within the past 7 days and start at S$726 for one-way flights and S$1,286 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,286 Return, found 4 days ago
S$1,286
Return
found 4 days ago
Select American Airlines flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,286 found 4 days ago
Air Canada
Thu, 17 Jul - Thu, 24 Jul
ICN
Seoul
DEN
Denver
S$1,465 Return, found 4 days ago
S$1,465
Return
found 4 days ago
Select Air Canada flight, departing Thu, 17 Jul from Seoul to Denver, returning Thu, 24 Jul, priced at S$1,465 found 4 days ago
Air Canada
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,664 Return, found 4 days ago
S$1,664
Return
found 4 days ago
Select Air Canada flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,664 found 4 days ago
Delta
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,671 Return, found 4 days ago
S$1,671
Return
found 4 days ago
Select Delta flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,671 found 4 days ago
Delta
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,690 Return, found 4 days ago
S$1,690
Return
found 4 days ago
Select Delta flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,690 found 4 days ago
Delta
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,701 Return, found 4 days ago
S$1,701
Return
found 4 days ago
Select Delta flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,701 found 4 days ago
United
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,709 Return, found 4 days ago
S$1,709
Return
found 4 days ago
Select United flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,709 found 4 days ago
Delta
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,720 Return, found 4 days ago
S$1,720
Return
found 4 days ago
Select Delta flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,720 found 4 days ago
Asiana Airlines
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,756 Return, found 4 days ago
S$1,756
Return
found 4 days ago
Select Asiana Airlines flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,756 found 4 days ago
Korean Air
Thu, 13 Mar - Wed, 26 Mar
ICN
Seoul
DEN
Denver
S$1,763 Return, found 4 days ago
S$1,763
Return
found 4 days ago
Select Korean Air flight, departing Thu, 13 Mar from Seoul to Denver, returning Wed, 26 Mar, priced at S$1,763 found 4 days ago
Seoul to Denver route information
Origin airport
Incheon Intl.
Destination airport
Denver Intl.
Return price
S$1,286
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$1,286. 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.
*Available to Expedia members.