฿30,550 Cheap Delta flights from Washington to Seoul (DCA→ICN)

View ฿30,550 flight on Fri, 17 Apr 2026Opens in a new window

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Delta flights from Washington to Seoul (DCA→ICN)

Prices were available within the past 7 days and start at ฿30,550 for one-way flights and ฿63,380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 26 Mar - Fri, 3 Apr
DCA
Washington
ICN
Seoul
฿63,380 Return, found 3 days ago
฿63,380
Return
found 3 days ago
Select Delta flight, departing Thu, 26 Mar from Washington to Seoul, returning Fri, 3 Apr, priced at ฿63,380 found 3 days ago
Delta
Thu, 26 Mar - Fri, 3 Apr
DCA
Washington
ICN
Seoul
฿63,440 Return, found 3 days ago
฿63,440
Return
found 3 days ago
Select Delta flight, departing Thu, 26 Mar from Washington to Seoul, returning Fri, 3 Apr, priced at ฿63,440 found 3 days ago
Delta
Thu, 26 Mar - Fri, 3 Apr
DCA
Washington
ICN
Seoul
฿69,830 Return, found 3 days ago
฿69,830
Return
found 3 days ago
Select Delta flight, departing Thu, 26 Mar from Washington to Seoul, returning Fri, 3 Apr, priced at ฿69,830 found 3 days ago
Delta
Thu, 26 Mar - Fri, 3 Apr
DCA
Washington
ICN
Seoul
฿70,005 Return, found 3 days ago
฿70,005
Return
found 3 days ago
Select Delta flight, departing Thu, 26 Mar from Washington to Seoul, returning Fri, 3 Apr, priced at ฿70,005 found 3 days ago
Delta
Thu, 26 Mar - Fri, 3 Apr
DCA
Washington
ICN
Seoul
฿70,255 Return, found 3 days ago
฿70,255
Return
found 3 days ago
Select Delta flight, departing Thu, 26 Mar from Washington to Seoul, returning Fri, 3 Apr, priced at ฿70,255 found 3 days ago

Find the cheapest month to fly from Washington (DCA) to Seoul (ICN)

January is typically the cheapest month to fly

From ฿28,233 - ฿67,905 per traveller.

Frequently asked questions

How much is a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Incheon Intl. Airport (ICN)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from ฿63,380 from DCA to ICN. Affordable one-way options from ฿30,550 are available too.**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 DCA to ICN with Delta Air Lines?
Look for one-way or round-trip flights to Seoul in January or February. You could find a cheap fare with Delta Air Lines during these off-peak months.
Does Delta Air Lines fly nonstop from Ronald Reagan Washington National Airport (DCA) to Incheon Intl. Airport (ICN)?
Fill in your dates, hit search and select the "Nonstop" filter on Expedia to browse any direct flights from DCA to ICN with Delta Air Lines or another airline.
What airports does Delta Air Lines fly into in Seoul?
Hop on a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Seoul, and you'll most likely touch down at Incheon Intl. Airport (ICN). This is the airline's main hub in this city.
Can I change or cancel my Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to Incheon Intl. Airport (ICN)?
In most cases, you can cancel or modify your flight, although there may be additional fees if you booked over 24 hours ago. Need flexible options? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you need to adjust your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Incheon Intl.
Distance
11130 km
*Available to Expedia members.