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Washington, D.C.

$384+ Cheap flights from Seoul (SEL) to Washington, D.C. (WAS)

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — WAS
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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The best prices from Seoul to Washington, D.C. are usually found in December or January, booked 43 days in advance, depart on a Sunday or Saturday and return on a Sunday

Cheap flight deals from Seoul to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(United Airlines)

One-way from

$384
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$995

Good round-trip deal

$1,371 or less

Good one-way deal

$1,122 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
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From Seoul (SEL) to Washington, D.C. (WAS)
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One-way flight from Seoul (SEL) to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 21% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Seoul (SEL) to Washington, D.C. (WAS).
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Find flight deals from Seoul to Washington, D.C.

Cheapest flights from Seoul to Washington, D.C.
Explore the most affordable flight options available from Seoul to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
lun. 2/312:45 pmICN - IAD
3 stops37h 07mUnited Airlines
mar. 2/42:42 pmIAD - ICN
1 stop35h 33mUnited Airlines
Deal found 1/20$633
This American Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 2/136:50 pmICN - DCA
2 stops26h 37mAmerican Airlines
lun. 2/175:00 amDCA - ICN
1 stop21h 45mAmerican Airlines
Deal found 1/20$686
This American Airlines deal was found by Cheapflights users on 1/19. 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.
mié. 2/196:50 pmICN - BWI
1 stop18h 09mAmerican Airlines
mié. 2/266:03 amBWI - ICN
1 stop20h 42mAmerican Airlines
Deal found 1/19$695
This American Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 1/306:50 pmICN - IAD
1 stop35h 24mAmerican Airlines
lun. 2/35:24 pmIAD - ICN
1 stop33h 21mAmerican Airlines
Deal found 1/20$695
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 2/1912:45 pmICN - BWI
2 stops22h 27mUnited Airlines
lun. 2/244:02 pmBWI - ICN
2 stops23h 38mUnited Airlines
Deal found 1/20$718
This United Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 1/3012:45 pmICN - DCA
1 stop18h 07mUnited Airlines
jue. 2/275:59 pmDCA - ICN
1 stop21h 41mUnited Airlines
Deal found 1/20$718
This Air China deal was found by Cheapflights users on 1/20. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/75:50 pmICN - IAD
1 stop34h 20mAir China
sáb. 3/155:35 pmIAD - ICN
2 stops29h 05mAir China
Deal found 1/20$783
This oojo deal was found by Cheapflights users on 1/20. 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.
vie. 3/142:25 pmGMP - IAD
1 stop37h 45mAir China
sáb. 3/225:35 pmIAD - GMP
2 stops30h 30mAir China
Deal found 1/20$788
This Trip.com deal was found by Cheapflights users on 1/20. 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.
sáb. 2/151:20 pmICN - DCA
2 stops36h 43mMultiple Airlines
dom. 2/236:00 pmDCA - ICN
2 stops32h 10mMultiple Airlines
Deal found 1/20$797
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/307:30 pmICN - BWI
1 stop18h 24mDelta
mié. 2/266:00 amBWI - ICN
1 stop19h 30mDelta
Deal found 1/20$852
This WhyPayMore deal was found by Cheapflights users on 1/19. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/265:45 pmICN - IAD
1 stop26h 00mAir Canada
mié. 8/135:30 pmIAD - ICN
1 stop33h 35mAir Canada
Deal found 1/19$874
This Gotogate deal was found by Cheapflights users on 1/20. 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.
mar. 3/184:55 pmICN - DCA
2 stops30h 34mAir Canada
dom. 3/236:00 amDCA - ICN
2 stops44h 25mAir Canada
Deal found 1/20$883

Find flights from Seoul to Washington, D.C. within your budget

Customize your flight search to find flights from Seoul to Washington, D.C. 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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 2/3

12:45 pm-11:52 am

3 stops37h 07m

Washington, D.C. Dulles Intl

mar. 2/4

2:42 pm-4:15 pm

1 stop35h 33m

$633

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

jue. 2/13

6:50 pm-7:27 am

2 stops26h 37m

Washington, D.C. Reagan-National

lun. 2/17

5:00 am-4:45 pm

1 stop21h 45m

$686

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mié. 2/19

6:50 pm-10:59 pm

1 stop18h 09m

Baltimore/Washington

mié. 2/26

6:03 am-4:45 pm

1 stop20h 42m

$695

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 2/19

6:50 pm-10:33 pm

1 stop17h 43m

Washington, D.C. Dulles Intl

lun. 2/24

6:12 am-4:45 pm

1 stop20h 33m

$695

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mié. 2/19

12:45 pm-9:12 pm

2 stops22h 27m

Baltimore/Washington

jue. 2/20

4:02 pm-5:40 am

2 stops23h 38m

$718

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 1/31

6:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

jue. 2/27

3:30 pm-5:40 am

2 stops24h 10m

$718

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 3/7

5:50 pm-2:10 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

sáb. 3/15

5:35 pm-11:40 am

2 stops29h 05m

$783

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

vie. 3/14

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

sáb. 3/22

5:35 pm-1:05 pm

2 stops30h 30m

$788

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

sáb. 2/15

1:20 pm-12:03 pm

2 stops36h 43m

Washington, D.C. Reagan-National

dom. 2/23

6:00 pm-4:10 pm

2 stops32h 10m

$797

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

vie. 1/31

7:30 pm-11:54 pm

1 stop18h 24m

Baltimore/Washington

dom. 2/23

6:00 am-3:30 pm

1 stop19h 30m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 60 results
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Compare providers for flights from Seoul to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Seoul to Washington, D.C.

Get recent, data-driven insights about flights from Seoul to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seoul to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Washington, D.C.. Price data was last updated on January 17, 2025.

The price you pay for your flight from Seoul to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seoul to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Seoul to Washington, D.C. (average of $241). Flying from Seoul to Washington, D.C. in March is currently the most expensive (average of $290). 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 WAS?

Find hourly flight availability from Seoul to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Seoul to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

Weekly flight availability from Seoul to Washington, D.C.

Explore weekly flight availability from Seoul to Washington, D.C.. 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 enero 21, 2025.

The most flights from SEL to WAS 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).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated enero 21, 2025.
Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as Delta, Korean Air and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,328 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,521 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seoul to Washington, D.C. round-trip?

    Currently priced at $633, United Airlines will fly you from Seoul to Washington, D.C. and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air China - these airlines can fly you to your destination from $686 and $783, respectively. United Airlines is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seoul to Washington, D.C. one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $435. However, be on the lookout for offers from United Airlines and Air China, as they are both options that can get you from Seoul to Washington, D.C. for a low price.

  • What are the most popular routes from Seoul to Washington, D.C.?

    When deciding which route to take from Seoul to Washington, D.C. consider Incheon Intl - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Reagan-National or Incheon Intl - Baltimore/Washington as they are the most popular.

  • Can I find deals for flights from Seoul to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Seoul to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Washington, D.C.?

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

  • Can I find deals for business class flights from Seoul to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Seoul to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Seoul to Washington, D.C. (average of $241). Flying from Seoul to Washington, D.C. in March is currently the most expensive (average of $290). 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

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Fairfax
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Gaithersburg
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Greenbelt
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Incheon Intl to Reagan-National flights
Busan to Dulles Intl flights

Top 5 airlines flying from Seoul to Washington, D.C.

Discover the top 5 airlines that operate flights from Seoul to Washington, D.C.. 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$693Average$912FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$727Average$1,163FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$853Average$1,039FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,127Average$1,571FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,313Average$1,613FlexibilityNo cancel feeOn-timeN/A
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