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$383+ Cheap flights from Seoul (SEL) to District of Columbia

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Seoul to District of Columbia

Cheapest flights from Seoul to District of Columbia
Explore the most affordable flight options available from Seoul to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmICN - DCA
2 stops27h 30mAmerican Airlines
Mon 2/166:35 pmDCA - ICN
1 stop32h 10mAmerican Airlines
Deal found 12/17$490
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmICN - IAD
1 stop35h 01mAmerican Airlines
Mon 2/165:46 pmIAD - ICN
1 stop32h 59mAmerican Airlines
Deal found 12/17$492
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmICN - IAD
1 stop30h 37mUnited Airlines
Sat 1/310:10 pmIAD - ICN
2 stops28h 05mUnited Airlines
Deal found 12/17$512
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 pmICN - IAD
1 stop26h 47mUnited Airlines
Sat 1/310:05 pmIAD - ICN
1 stop28h 10mUnited Airlines
Deal found 12/16$513
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmICN - IAD
1 stop22h 10mUnited Airlines
Mon 2/2310:10 pmIAD - ICN
1 stop28h 05mUnited Airlines
Deal found 12/16$520
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmICN - DCA
1 stop22h 58mUnited Airlines
Mon 2/235:50 pmDCA - ICN
1 stop32h 25mUnited Airlines
Deal found 12/17$538
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmICN - DCA
1 stop18h 12mUnited Airlines
Thu 2/57:00 amDCA - ICN
1 stop32h 40mUnited Airlines
Deal found 12/16$637
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmICN - DCA
2 stops28h 04mAmerican Airlines
Mon 2/236:30 amDCA - ICN
1 stop20h 15mAmerican Airlines
Deal found 12/16$687
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmICN - IAD
2 stops34h 46mAmerican Airlines
Thu 2/196:00 amIAD - ICN
1 stop20h 45mAmerican Airlines
Deal found 12/18$688
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:15 pmICN - DCA
2 stops52h 55mAmerican Airlines
Sat 1/37:43 amDCA - ICN
1 stop43h 02mAmerican Airlines
Deal found 12/17$699
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 pmICN - DCA
2 stops54h 03mAmerican Airlines
Sat 1/34:59 pmDCA - ICN
2 stops33h 46mAmerican Airlines
Deal found 12/16$701
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:15 pmICN - IAD
1 stop17h 18mAmerican Airlines
Sat 1/34:29 pmIAD - ICN
2 stops34h 16mAmerican Airlines
Deal found 12/15$709

Find flight deals from Seoul to District of Columbia

Keep the following information in mind while searching for Seoul to District of Columbia flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(American Airlines)

One-way from

$383
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$933

Good round-trip deal

$1,327 or less

Good one-way deal

$1,055 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
Search Deals
From Seoul (SEL) to District of Columbia
Search Deals
One-way flight from Seoul (SEL) to District of Columbia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to District of Columbia.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to District of Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from Seoul to District of Columbia that are best for you.

Fly from

Seoul

Fly to

District of Columbia

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 2/6

7:15 pm-10:50 am

2 stops29h 35m

Washington, D.C. Reagan-National

Sun 2/8

6:30 am-4:45 pm

1 stop20h 15m

$469

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 2/11

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Mon 3/9

5:55 pm-4:40 am

1 stop21h 45m

$605

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 2/11

12:45 pm-8:54 pm

1 stop22h 09m

Washington, D.C. Dulles Intl

Mon 3/9

2:36 pm-4:40 am

1 stop25h 04m

$606

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 3/5

6:00 pm-9:45 pm

1 stop17h 45m

Washington, D.C. Reagan-National

Mon 3/9

12:32 pm-4:40 am

2 stops27h 08m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 4/17

11:30 am-10:43 pm

1 stop24h 13m

Washington, D.C. Dulles Intl

Mon 4/27

10:10 pm-3:00 pm

1 stop27h 50m

$608

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 2/19

12:45 pm-7:27 pm

1 stop20h 42m

Washington, D.C. Dulles Intl

Tue 3/17

5:19 pm-4:40 am

2 stops22h 21m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-4:43 pm

1 stop17h 58m

Washington, D.C. Reagan-National

Tue 3/24

4:11 pm-4:40 am

2 stops23h 29m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 4/17

11:30 am-9:53 pm

1 stop23h 23m

Washington, D.C. Reagan-National

Tue 4/28

1:00 pm-4:20 am

2 stops26h 20m

$608

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 2/2

12:45 pm-11:22 pm

2 stops24h 37m

Washington, D.C. Dulles Intl

Tue 3/31

6:30 am-3:00 pm

1 stop19h 30m

$621

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sun 4/26

11:30 am-7:25 am

1 stop32h 55m

Washington, D.C. Dulles Intl

Tue 5/5

2:30 pm-4:20 am

2 stops24h 50m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 59 results
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Best time to book a flight from Seoul to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Seoul 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 Seoul to District of Columbia

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

Currently, October is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $389). Flying from Seoul to District of Columbia in July is currently the most expensive (average of $954). 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 SEL to DC?

Find hourly flight availability from Seoul to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Seoul to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seoul to District of Columbia

Explore weekly flight availability from Seoul to District of Columbia. 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 December 18, 2025.

The most flights from SEL to USDC 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 Seoul to District of Columbia?

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated December 18, 2025.
See what other customers who have flown with Korean Air, Delta, and United Airlines from Seoul to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,005 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,091 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
American Airlines
7.2
Good
11,054 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,534 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to District of Columbia. 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 Seoul to District of Columbia?

    Airlines like American Airlines, United Airlines, and ANA fly from Seoul to District of Columbia in about 18h 07m. The time it takes to get you to your destination can typically vary by up to 11h 28m. Airlines will cover a distance of 6953 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $437. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Seoul to District of Columbia for a low price.

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

    The most popular route from Seoul to District of Columbia is Incheon Intl - Washington, D.C. Dulles Intl. You may also consider Incheon Intl - Washington, D.C. Reagan-National or Seoul Gimpo Intl - Washington, D.C. Dulles Intl.

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

    Looking at all options, your cheapest flight can be booked for $1,052. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $512 on average, our data indicates $1,285 when flying from Seoul to District of Columbia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seoul to District of Columbia 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 Seoul to District of Columbia?

    Currently, October is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $389). Flying from Seoul to District of Columbia in July is currently the most expensive (average of $954). 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.

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Alternative routes for Seoul to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Seoul to District of Columbia

Discover the top 5 airlines that operate flights from Seoul to District of Columbia. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$723FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$512Average$731FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$1,520FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$688Average$980FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,195Average$1,408FlexibilityNo cancel feeOn-time81%

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