A traditional Korean palace with a large, ornate building in the center, surrounded by a courtyard with stone pathways and red-roofed structures.

₩780,100 Cheap Flights from Denver (DEN) to Seoul (ICN)

View ₩780,100 flight on Mon, Sep 7, 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 ₩780,100 for one-way flights and ₩1,232,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct 8 - Thu, Oct 22
DEN
Denver
ICN
Seoul
₩1,232,700 Roundtrip, found 2 days ago
₩1,232,700
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 8 from Denver to Seoul, returning Thu, Oct 22, priced at ₩1,232,700 found 2 days ago
WestJet
Mon, Aug 24 - Thu, Sep 10
DEN
Denver
ICN
Seoul
₩1,338,800 Roundtrip, found 3 days ago
₩1,338,800
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Aug 24 from Denver to Seoul, returning Thu, Sep 10, priced at ₩1,338,800 found 3 days ago
WestJet
Sun, Aug 30 - Sun, Sep 13
DEN
Denver
ICN
Seoul
₩1,358,600 Roundtrip, found 5 days ago
₩1,358,600
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Aug 30 from Denver to Seoul, returning Sun, Sep 13, priced at ₩1,358,600 found 5 days ago
Delta
Thu, Oct 8 - Thu, Oct 22
DEN
Denver
ICN
Seoul
₩1,567,500 Roundtrip, found 2 days ago
₩1,567,500
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 8 from Denver to Seoul, returning Thu, Oct 22, priced at ₩1,567,500 found 2 days ago
Korean Air
Thu, Oct 8 - Thu, Oct 22
DEN
Denver
ICN
Seoul
₩1,570,300 Roundtrip, found 2 days ago
₩1,570,300
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Oct 8 from Denver to Seoul, returning Thu, Oct 22, priced at ₩1,570,300 found 2 days ago
WestJet
Wed, Aug 19 - Fri, Sep 4
DEN
Denver
ICN
Seoul
₩1,661,700 Roundtrip, found 3 days ago
₩1,661,700
Roundtrip
found 3 days ago
Select WestJet flight, departing Wed, Aug 19 from Denver to Seoul, returning Fri, Sep 4, priced at ₩1,661,700 found 3 days ago
WestJet
Fri, Sep 18 - Sun, Sep 27
DEN
Denver
ICN
Seoul
₩1,685,600 Roundtrip, found 4 days ago
₩1,685,600
Roundtrip
found 4 days ago
Select WestJet flight, departing Fri, Sep 18 from Denver to Seoul, returning Sun, Sep 27, priced at ₩1,685,600 found 4 days ago
Alaska Airlines
Tue, Sep 1 - Tue, Sep 15
DEN
Denver
ICN
Seoul
₩1,732,200 Roundtrip, found 3 days ago
₩1,732,200
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Denver to Seoul, returning Tue, Sep 15, priced at ₩1,732,200 found 3 days ago
Alaska Airlines
Mon, Sep 21 - Thu, Oct 22
DEN
Denver
ICN
Seoul
₩1,744,300 Roundtrip, found 4 days ago
₩1,744,300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 21 from Denver to Seoul, returning Thu, Oct 22, priced at ₩1,744,300 found 4 days ago
Philippine Airlines
Tue, Sep 29 - Mon, Oct 26
DEN
Denver
ICN
Seoul
₩1,791,200 Roundtrip, found 3 days ago
₩1,791,200
Roundtrip
found 3 days ago
Select Philippine Airlines flight, departing Tue, Sep 29 from Denver to Seoul, returning Mon, Oct 26, priced at ₩1,791,200 found 3 days ago

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from ₩2,289,600
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from ₩2,289,600

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 ₩1,232,700. 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 canceled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your vacation, 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 kilometers to cover on the long-haul Denver to South Korea route. Dress in layers of comfy clothes and consider taking a pair of noise-canceling 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.

Travel information

Origin airport
Denver Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, China Eastern Airlines, Delta, Korean Air, Lufthansa, Turkish Airlines, United, WestJet
Roundtrip price
₩1,232,700
Distance
9903 km

Book with confidence

Denver to Incheon Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Denver to Incheon will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Incheon.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DEN to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Denver for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Denver to Incheon Flights
*Available to Expedia members.