Seoul

$422+ Cheap flights from District of Columbia to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEL
Feb 28 — Mar 71
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Cheap flight deals from District of Columbia to Seoul

Cheapest flights from District of Columbia to Seoul
Explore the most affordable flight options available from District of Columbia to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Tue 3/311:05 pm
ICN
-
IAD
1 stop19h 25m
Air China
Deal found 1/27$873
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Multiple Airlines
Tue 4/145:45 pm
ICN
-
IAD
2 stops34h 54m
Multiple Airlines
Deal found 1/28$881
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:00 pm
IAD
-
ICN
1 stop28h 35m
Multiple Airlines
Mon 3/167:10 pm
ICN
-
IAD
2 stops38h 44m
Multiple Airlines
Deal found 1/27$893
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Multiple Airlines
Tue 3/177:10 pm
ICN
-
IAD
2 stops38h 44m
Multiple Airlines
Deal found 1/28$894
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Mon 3/233:05 pm
ICN
-
IAD
1 stop41h 25m
Air China
Deal found 1/28$898
This Trip.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:00 pm
IAD
-
ICN
1 stop23h 40m
Multiple Airlines
Tue 4/287:05 pm
ICN
-
IAD
1 stop38h 24m
Multiple Airlines
Deal found 1/27$900
This CheapOair deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:00 pm
IAD
-
ICN
1 stop25h 20m
Multiple Airlines
Mon 3/165:55 pm
ICN
-
IAD
2 stops59h 16m
Multiple Airlines
Deal found 1/26$902
This Booking.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:00 pm
IAD
-
ICN
1 stop33h 45m
Multiple Airlines
Tue 4/145:45 pm
ICN
-
IAD
2 stops30h 38m
Multiple Airlines
Deal found 1/27$905
This KAYAK deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:00 pm
IAD
-
ICN
1 stop23h 35m
Air China
Tue 4/281:05 pm
ICN
-
IAD
1 stop19h 25m
Air China
Deal found 1/27$908
This Gotogate deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:00 pm
IAD
-
ICN
1 stop33h 45m
Multiple Airlines
Thu 4/305:45 pm
ICN
-
IAD
2 stops30h 38m
Multiple Airlines
Deal found 1/28$922
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 pm
DCA
-
ICN
2 stops32h 20m
Multiple Airlines
Mon 3/96:55 pm
ICN
-
DCA
1 stop36h 04m
Multiple Airlines
Deal found 1/27$1,006
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:00 pm
DCA
-
ICN
2 stops33h 20m
Multiple Airlines
Mon 3/306:20 pm
ICN
-
DCA
1 stop36h 21m
Multiple Airlines
Deal found 1/28$1,018

Find flight deals from District of Columbia to Seoul

Keep the following information in mind while searching for District of Columbia to Seoul flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$873
(oojo)

One-way from

$422
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,204

Good round-trip deal

$1,131 or less

Good one-way deal

$554 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
From District of Columbia to Seoul (SEL)
One-way flight from District of Columbia to Seoul (SEL)
Highest demand for flights based on searches. 6% potential increase in price ($103 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from District of Columbia to Seoul (SEL).
Price to beat on a one-way flight from District of Columbia to Seoul (SEL).

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from District of Columbia to Seoul that are best for you.

Fly from

District of Columbia

Fly to

Seoul

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-4:05 pm

2 stops45h 05m

Incheon Intl

Mon 5/11

5:45 pm-10:19 am

2 stops29h 34m

$1,128

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/2

4:10 pm-5:10 pm

2 stops35h 00m

Incheon Intl

Thu 3/19

7:10 pm-10:35 pm

1 stop16h 25m

$1,133

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 2/10

6:50 pm-5:10 pm

2 stops32h 20m

Incheon Intl

Thu 2/19

6:55 pm-10:21 am

2 stops29h 26m

$1,133

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/16

6:59 am-5:25 pm

1 stop21h 26m

Incheon Intl

Mon 3/30

7:05 pm-10:43 pm

1 stop16h 38m

$1,138

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 5/19

9:45 pm-5:40 pm

1 stop30h 55m

Incheon Intl

Mon 5/25

11:20 pm-11:35 am

1 stop25h 15m

$1,158

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/21

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Sun 3/8

8:35 pm-5:59 pm

2 stops34h 24m

$1,181

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 3/6

9:40 am-6:25 pm

1 stop18h 45m

Incheon Intl

Mon 3/16

7:10 pm-8:55 am

1 stop26h 45m

$1,186

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 3/10

6:50 pm-4:15 pm

2 stops32h 25m

Incheon Intl

Sun 3/22

5:55 pm-8:55 am

2 stops28h 00m

$1,261

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 3/14

6:00 am-5:25 pm

2 stops22h 25m

Incheon Intl

Sun 3/29

7:05 pm-10:19 am

2 stops28h 14m

$1,265

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/16

6:00 am-4:20 am

3 stops33h 20m

Incheon Intl

Mon 3/30

7:05 pm-9:53 pm

2 stops39h 48m

$1,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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Best time to book a flight from District of Columbia to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Seoul

What is the cheapest month to book a flight from District of Columbia to Seoul?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Seoul (average of $380). Flying from District of Columbia to Seoul in July is currently the most expensive (average of $1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to SEL?

Find hourly flight availability from District of Columbia to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Seoul as you normally would.

Weekly flight availability from District of Columbia to Seoul

Explore weekly flight availability from District of Columbia to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from USDC to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from District of Columbia to Seoul?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from District of Columbia to Seoul?

    There are many flights that can get you from District of Columbia to Seoul in 30h 55m. Fly via Air Canada, Turkish Airlines, or Alaska Airlines to get the fastest option. There are 6939 mi between District of Columbia and Seoul. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Seoul one-way?

    To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $416. United Airlines flights start at $476 while deals on Turkish Airlines start at $492 one-way.

  • What are the most popular routes from District of Columbia to Seoul?

  • What are the cheapest flights from District of Columbia to Seoul?

    On average you can expect to pay $2,543 for a flight from District of Columbia to Seoul. The cheapest flight overall is $473 while the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl) is currently priced at $864.

  • Can I find deals for flights from District of Columbia to Seoul that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Seoul.

  • Can I find deals for business class flights from District of Columbia to Seoul?

    Yes. Cheapflights offers flight deals from District of Columbia to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Seoul?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Seoul (average of $380). Flying from District of Columbia to Seoul in July is currently the most expensive (average of $1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for District of Columbia to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from District of Columbia to Seoul

Discover the top 9 airlines that operate flights from District of Columbia to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$317Average$1,487FlexibilityNo cancel feeOn-time69%
DeltaCheapest$356Average$1,605FlexibilityNo cancel feeOn-timeN/A
Air ChinaCheapest$591Average$756FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$716Average$1,237FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$759Average$2,072FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$791Average$1,005FlexibilityNo cancel feeOn-time77%
AIR PREMIACheapest$807Average$1,559FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$972Average$1,436FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,059Average$1,725FlexibilityNo cancel feeOn-time81%

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