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Washington, D.C.

$449+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — WAS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Seoul to Washington, D.C. are usually found in February or December, booked 43 days in advance, depart on a Friday or Sunday and return on a Wednesday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$733
(United Airlines)

One-way from

$449
(American Airlines)

Popular in

August

Cheapest in

February

Average price

$770

Good round-trip deal

$1,339 or less

Good one-way deal

$1,158 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.
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From Seoul (SEL) to Washington, D.C. (WAS)
Search Deals
One-way flight from Seoul (SEL) to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($375 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:45 pmICN - IAD
1 stop26h 20mUnited Airlines
Wed 3/196:30 amIAD - ICN
1 stop19h 45mUnited Airlines
Deal found 2/19$733
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2012:45 pmICN - BWI
2 stops22h 27mUnited Airlines
Fri 2/286:15 amBWI - ICN
1 stop20h 00mUnited Airlines
Deal found 2/19$735
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/216:00 pmICN - DCA
2 stops19h 53mUnited Airlines
Sun 3/27:00 pmDCA - ICN
3 stops31h 15mUnited Airlines
Deal found 2/19$735
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/56:50 pmICN - IAD
2 stops28h 00mAmerican Airlines
Sat 4/58:14 pmIAD - ICN
2 stops30h 16mAmerican Airlines
Deal found 2/20$782
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/56:50 pmICN - DCA
1 stop19h 55mAmerican Airlines
Sat 4/56:59 pmDCA - ICN
1 stop31h 31mAmerican Airlines
Deal found 2/19$786
This Air China deal was found by Cheapflights users on 2/19. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/283:30 pmICN - IAD
1 stop36h 40mAir China
Tue 4/86:00 pmIAD - ICN
2 stops33h 35mAir China
Deal found 2/19$789
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:30 pmICN - BWI
1 stop18h 23mDelta
Wed 3/196:00 amBWI - ICN
1 stop20h 30mDelta
Deal found 2/19$867
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 3/96:50 pmICN - BWI
1 stop32h 33mAmerican Airlines
Sun 3/167:01 pmBWI - ICN
1 stop31h 54mAmerican Airlines
Deal found 2/19$871
This WhyPayMore deal was found by Cheapflights users on 2/19. 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.
Mon 7/215:45 pmICN - IAD
1 stop35h 42mAir Canada
Sat 7/2610:11 pmIAD - ICN
2 stops52h 54mAir Canada
Deal found 2/19$874
This WhyPayMore deal was found by Cheapflights users on 2/19. 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.
Tue 7/225:45 pmICN - DCA
2 stops28h 07mAir Canada
Thu 7/318:40 pmDCA - ICN
2 stops30h 25mAir Canada
Deal found 2/19$880
This lol.travel deal was found by Cheapflights users on 2/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:50 pmGMP - IAD
1 stop27h 20mANA
Wed 3/1912:10 pmIAD - GMP
1 stop34h 10mANA
Deal found 2/19$889
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/145:30 pmICN - IAD
1 stop25h 10mMultiple Airlines
Fri 4/187:00 amIAD - ICN
1 stop23h 50mMultiple Airlines
Deal found 2/19$978

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 February 20, 2025.

Fly from

Seoul

Fly to

Washington, D.C.

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 3/6

12:45 pm-1:05 am

1 stop26h 20m

Washington, D.C. Dulles Intl

Wed 3/19

6:30 am-3:15 pm

1 stop19h 45m

$733

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 4/15

11:30 am-11:44 am

2 stops37h 14m

Baltimore/Washington

Tue 4/29

6:15 am-4:20 am

2 stops33h 05m

$735

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 3/6

12:45 pm-8:58 pm

1 stop22h 13m

Washington, D.C. Reagan-National

Thu 3/13

5:56 pm-4:40 am

1 stop21h 44m

$735

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 3/5

6:50 pm-8:50 am

2 stops28h 00m

Washington, D.C. Dulles Intl

Sat 4/5

8:14 pm-3:30 pm

2 stops30h 16m

$782

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 3/5

6:50 pm-12:45 am

1 stop19h 55m

Washington, D.C. Reagan-National

Sat 4/5

6:59 pm-3:30 pm

1 stop31h 31m

$786

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 3/28

3:30 pm-3:10 pm

1 stop36h 40m

Washington, D.C. Dulles Intl

Tue 4/8

6:00 pm-4:35 pm

2 stops33h 35m

$789

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 3/6

7:30 pm-11:53 pm

1 stop18h 23m

Baltimore/Washington

Wed 3/19

6:00 am-3:30 pm

1 stop20h 30m

$867

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Sun 3/9

6:50 pm-2:23 pm

1 stop32h 33m

Baltimore/Washington

Sun 3/16

7:01 pm-3:55 pm

1 stop31h 54m

$871

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 7/21

5:45 pm-4:27 pm

1 stop35h 42m

Washington, D.C. Dulles Intl

Sat 7/26

10:11 pm-4:05 pm

2 stops52h 54m

$874

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 7/22

5:45 pm-8:52 am

2 stops28h 07m

Washington, D.C. Reagan-National

Thu 7/31

8:40 pm-4:05 pm

2 stops30h 25m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 58 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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 February 14, 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 $309). Flying from Seoul to Washington, D.C. in June is currently the most expensive (average of $389). 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 February 20, 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 43% 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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as ANA, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA
8.4
Very good
842 reviews
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Korean Air
8.4
Very good
1,037 reviews
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines
8.3
Very good
1,440 reviews
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Asiana Airlines
8.3
Very good
446 reviews
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Emirates
8.1
Very good
3,279 reviews
ANA
8.4
Very good
842 reviews

Comfort

8.2

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

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 $733, 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 $782 and $789, respectively. United Airlines is currently priced 37% 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 $449. 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.

  • What are the cheapest flights from Seoul to Washington, D.C.?

    On average you can expect to pay $2,806 for a flight from Seoul to Washington, D.C.. The cheapest flight overall is $1,077 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $733.

  • 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 $309). Flying from Seoul to Washington, D.C. in June is currently the most expensive (average of $389). 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
Arlington
Alexandria
Fairfax
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$687Average$808FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$688Average$982FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$726Average$1,127FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,053Average$1,562FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,313Average$1,667FlexibilityNo cancel feeOn-timeN/A
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