฿24,085 Cheap Delta flights from Denver to Seoul (DEN→ICN)

View ฿24,085 flight on Wed, 18 Mar 2026Opens in a new window
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Delta flights from Denver to Seoul (DEN→ICN)

Prices were available within the past 7 days and start at ฿24,085 for one-way flights and ฿39,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿39,700 Return, found 5 days ago
฿39,700
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿39,700 found 5 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿39,880 Return, found 5 days ago
฿39,880
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿39,880 found 5 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿42,135 Return, found 5 days ago
฿42,135
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿42,135 found 5 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿43,400 Return, found 5 days ago
฿43,400
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿43,400 found 5 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿43,580 Return, found 5 days ago
฿43,580
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿43,580 found 5 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
DEN
Denver
ICN
Seoul
฿44,075 Return, found 5 days ago
฿44,075
Return
found 5 days ago
Select Delta flight, departing Wed, 18 Mar from Denver to Seoul, returning Tue, 31 Mar, priced at ฿44,075 found 5 days ago

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

September is typically the cheapest month to fly

From ฿26,931 - ฿43,041 per traveller.

Frequently asked questions

How much is a Delta Air Lines flight from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines return flights from ฿39,700 from DEN to ICN. Affordable one-way fares from ฿24,085 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to ICN with Delta Air Lines?
Look for round-trip or one-way flights to Seoul in January or February. You could find cheaper fares with Delta Air Lines during these off-peak months.
Does Delta Air Lines fly nonstop from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
Click on the "Nonstop" filter when browsing for direct Delta Air Lines flights from DEN to ICN. It's also an easy way to compare other airlines servicing the same direct route.
What airports does Delta Air Lines fly into in Seoul?
Delta Air Lines flights from Denver Intl. Airport (DEN) to Seoul touch down at Incheon Intl. Airport (ICN). This is the main gateway to this destination.
Can I change or cancel my Delta Air Lines flight from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that. For more information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without being charged, check the "No cancel fee" or "Changes included" filter when planning your trip.

Travel information

Origin airport
Denver Intl.
Destination airport
Incheon Intl.
Distance
9903 km
*Available to Expedia members.