How long is the flight from Seoul to Washington, D.C.?

For as low as $1,006, American Airlines can have you in Washington, D.C. from Seoul in 27h 20m. The distance between Seoul and Washington, D.C. is about 6925 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $501, American Airlines will fly you from Seoul to Washington, D.C. and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $512 and $688, respectively. American Airlines is currently priced 49% 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 $440. However, be on the lookout for offers from United Airlines and Korean Air, as they are both options that can get you from Seoul to Washington, D.C. for a low price.

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.

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).

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 - Baltimore/Washington or Incheon Intl - Washington, D.C. Reagan-National as they are the most popular.

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

On average you can expect to pay $1,285 for a flight from Seoul to Washington, D.C.. The cheapest flight overall is $1,052 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $512.

What are the most popular airlines that fly from Seoul to Washington, D.C.?

Before booking your flight from Seoul to Washington, D.C. check out the most popular airlines for this route: Korean Air, United Airlines or Delta.

Most accurate provider : When it comes to deals on Seoul-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$383+ Flights from Seoul to Washington, D.C.

Q: How much does it cost to fly round-trip from Seoul to Washington, D.C.?

Airfare is below average for this route at the moment. Seoul to Washington, D.C. flights typically cost between $551 and $1,455 in February. The cheapest round-trip price found within the last 3 days was $469 on American Airlines (Feb 6-Feb 8).

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Find cheap flights from Seoul to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheap 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 December 18, 2025.

Wed 12/247:15 pmICN - BWI

1 stop17h 43mAmerican Airlines

Mon 2/236:00 amBWI - ICN

1 stop20h 45mAmerican Airlines

Deal found 12/18

$479

Wed 12/247:15 pmICN - BWI

2 stops31h 52mAmerican Airlines

Mon 2/167:52 pmBWI - ICN

2 stops30h 53mAmerican Airlines

Deal found 12/18

$483

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

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

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

Thu 12/2512:45 pmICN - BWI

2 stops20h 45mUnited Airlines

Sat 1/36:30 amBWI - ICN

1 stop33h 10mUnited Airlines

Deal found 12/16

$513

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

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

Wed 12/246:00 pmICN - BWI

1 stop25h 14mUnited Airlines

Mon 2/236:25 pmBWI - ICN

1 stop21h 15mUnited Airlines

Deal found 12/17

$522

Wed 12/2412:45 pmICN - BWI

3 stops41h 33mUnited Airlines

Mon 2/1612:37 pmBWI - ICN

2 stops51h 03mUnited Airlines

Deal found 12/18

$531

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

Wed 12/247:30 pmICN - BWI

1 stop32h 21mDelta

Mon 2/237:05 amBWI - ICN

1 stop19h 15mDelta

Deal found 12/16

$634

Best flights from Seoul to Washington, D.C.
Discover carefully curated flight deals from Seoul to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Fri 2/67:15 pmICN - DCA

2 stops29h 35mAmerican Airlines

Sun 2/86:30 amDCA - ICN

1 stop20h 15mAmerican Airlines

Deal found 12/17

$469

Wed 2/1812:45 pmICN - BWI

2 stops22h 32mUnited Airlines

Mon 3/236:05 amBWI - ICN

2 stops33h 35mUnited Airlines

Deal found 12/17

$605

Wed 2/117:50 pmGMP - IAD

1 stop27h 20mANA

Mon 3/912:15 pmIAD - GMP

1 stop21h 15mANA

Deal found 12/17

$1,006

Tue 3/36:00 pmICN - BWI

1 stop37h 20mUnited Airlines

Mon 4/66:15 amBWI - ICN

1 stop19h 45mUnited Airlines

Deal found 12/17

$605

Wed 4/17:55 amGMP - BWI

2 stops27h 05mJapan Airlines

Sun 4/56:52 amBWI - GMP

2 stops38h 53mJapan Airlines

Deal found 12/17

$1,217

Wed 2/118:00 amGMP - DCA

2 stops22h 38mMultiple Airlines

Mon 3/97:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/16

$1,272

Mon 3/26:00 pmICN - BWI

3 stops34h 01mUnited Airlines

Wed 4/86:31 pmBWI - ICN

1 stop20h 49mUnited Airlines

Deal found 12/18

$605

Mon 3/3011:30 amICN - BWI

1 stop31h 22mUnited Airlines

Mon 5/44:10 pmBWI - ICN

2 stops23h 10mUnited Airlines

Deal found 12/17

$605

Wed 2/1112:45 pmICN - BWI

1 stop18h 41mUnited Airlines

Mon 3/96:31 pmBWI - ICN

1 stop21h 09mUnited Airlines

Deal found 12/18

$605

Wed 2/1112:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Mon 3/95:55 pmDCA - ICN

1 stop21h 45mUnited Airlines

Deal found 12/18

$605

Tue 3/36:00 pmICN - BWI

2 stops31h 30mUnited Airlines

Sun 4/56:31 pmBWI - ICN

1 stop31h 29mUnited Airlines

Deal found 12/17

$606

Fri 4/247:40 amGMP - IAD

2 stops36h 55mANA

Wed 4/2912:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 12/14

$1,043

Mon 3/26:00 pmICN - BWI

1 stop27h 27mUnited Airlines

Wed 3/48:42 amBWI - ICN

1 stop30h 58mUnited Airlines

Deal found 12/16

$606

Wed 2/1112:45 pmICN - IAD

1 stop22h 09mUnited Airlines

Mon 3/92:36 pmIAD - ICN

1 stop25h 04mUnited Airlines

Deal found 12/17

$606

Thu 1/297:50 pmGMP - IAD

1 stop27h 20mANA

Sat 1/318:20 amIAD - GMP

2 stops37h 00mANA

Deal found 12/16

$1,092

Wed 4/17:55 amGMP - DCA

2 stops19h 46mJapan Airlines

Sun 4/55:00 pmDCA - GMP

2 stops39h 50mJapan Airlines

Deal found 12/16

$1,220

Thu 3/56:00 pmICN - DCA

1 stop17h 45mUnited Airlines

Mon 3/912:32 pmDCA - ICN

2 stops27h 08mUnited Airlines

Deal found 12/16

$606

Wed 1/1412:25 pmGMP - IAD

2 stops33h 05mANA

Sun 1/188:20 amIAD - GMP

2 stops37h 00mANA

Deal found 12/16

$1,098

Thu 1/298:00 amGMP - DCA

2 stops20h 57mMultiple Airlines

Wed 2/116:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/17

$1,345

Wed 2/118:00 amGMP - DCA

2 stops20h 57mJapan Airlines

Mon 3/97:30 amDCA - GMP

2 stops25h 35mJapan Airlines

Deal found 12/17

$1,268

Fri 4/1711:30 amICN - IAD

1 stop24h 13mUnited Airlines

Mon 4/2710:10 pmIAD - ICN

1 stop27h 50mUnited Airlines

Deal found 12/15

$608

Thu 1/297:50 pmGMP - DCA

2 stops31h 23mANA

Sat 1/316:30 amDCA - GMP

2 stops38h 50mANA

Deal found 12/16

$1,098

Fri 1/308:00 amGMP - BWI

2 stops29h 18mMultiple Airlines

Fri 2/66:00 amBWI - GMP

2 stops38h 55mMultiple Airlines

Deal found 12/15

$1,355

Thu 2/1912:45 pmICN - IAD

1 stop20h 42mUnited Airlines

Tue 3/175:19 pmIAD - ICN

2 stops22h 21mUnited Airlines

Deal found 12/16

$608

Mon 2/28:00 amGMP - DCA

2 stops23h 08mJapan Airlines

Sat 2/286:02 amDCA - GMP

2 stops26h 03mJapan Airlines

Deal found 12/15

$1,349

Sat 1/3112:25 pmGMP - IAD

1 stop34h 45mANA

Sat 2/711:10 amIAD - GMP

1 stop34h 10mANA

Deal found 12/17

$1,116

Thu 2/1912:45 pmICN - DCA

1 stop17h 58mUnited Airlines

Tue 3/244:11 pmDCA - ICN

2 stops23h 29mUnited Airlines

Deal found 12/16

$608

Wed 2/187:50 pmGMP - IAD

1 stop27h 20mANA

Thu 2/1912:40 pmIAD - GMP

2 stops43h 50mANA

Deal found 12/16

$1,119

Thu 1/298:00 amGMP - DCA

2 stops28h 03mJapan Airlines

Thu 2/56:10 amDCA - GMP

2 stops25h 55mJapan Airlines

Deal found 12/14

$1,362

Fri 4/1711:30 amICN - DCA

1 stop23h 23mUnited Airlines

Tue 4/281:00 pmDCA - ICN

2 stops26h 20mUnited Airlines

Deal found 12/15

$608

Last-minute flights from Seoul to Washington, D.C.
Discover last-minute flight deals from Seoul to Washington, D.C.. Data last updated December 18, 2025 and is based on user searches.

Wed 12/247:15 pmICN - BWI

1 stop17h 43mAmerican Airlines

Mon 2/236:00 amBWI - ICN

1 stop20h 45mAmerican Airlines

Deal found 12/18

$479

Wed 12/247:15 pmICN - BWI

2 stops31h 52mAmerican Airlines

Mon 2/167:52 pmBWI - ICN

2 stops30h 53mAmerican Airlines

Deal found 12/18

$483

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

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

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

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

Wed 12/246:00 pmICN - BWI

1 stop25h 14mUnited Airlines

Mon 2/236:25 pmBWI - ICN

1 stop21h 15mUnited Airlines

Deal found 12/17

$522

Wed 12/2412:45 pmICN - BWI

3 stops41h 33mUnited Airlines

Mon 2/1612:37 pmBWI - ICN

2 stops51h 03mUnited Airlines

Deal found 12/18

$531

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

Thu 12/2512:45 pmICN - BWI

2 stops20h 45mUnited Airlines

Sat 1/36:30 amBWI - ICN

1 stop33h 10mUnited Airlines

Deal found 12/16

$513

Thu 12/256:00 pmICN - IAD

1 stop25h 22mUnited Airlines

Sat 1/310:10 pmIAD - ICN

2 stops28h 05mUnited Airlines

Deal found 12/16

$513

Thu 1/298:35 pmICN - IAD

1 stop33h 51mHawaiian Airlines

Wed 3/257:00 amIAD - ICN

1 stop22h 35mHawaiian Airlines

Deal found 12/16

$543

One-way flights from Seoul to Washington, D.C.
Search for one-way flight options from Seoul to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 2/229:20 pmICN - IAD

2 stops32h 48mMultiple Airlines

Deal found 12/17

$383

Mon 1/266:55 pmICN - DCA

2 stops56h 07mMultiple Airlines

Deal found 12/16

$383

Sun 2/89:20 pmICN - IAD

2 stops33h 08mMultiple Airlines

Deal found 12/17

$388

Sun 2/229:20 pmICN - BWI

2 stops33h 53mMultiple Airlines

Deal found 12/17

$389

Tue 2/249:20 pmICN - BWI

3 stops34h 27mMultiple Airlines

Deal found 12/17

$393

Mon 2/236:55 pmICN - DCA

2 stops56h 20mMultiple Airlines

Deal found 12/17

$394

Sun 2/89:20 pmICN - BWI

3 stops51h 11mMultiple Airlines

Deal found 12/17

$397

Wed 2/186:55 pmICN - BWI

3 stops30h 22mMultiple Airlines

Deal found 12/16

$398

Wed 2/186:55 pmICN - IAD

3 stops50h 25mMultiple Airlines

Deal found 12/16

$398

Wed 2/186:55 pmICN - DCA

2 stops41h 04mMultiple Airlines

Deal found 12/16

$405

Sun 2/89:20 pmICN - DCA

3 stops53h 55mMultiple Airlines

Deal found 12/17

$408

Wed 2/256:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 12/17

$423

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

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 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. 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 Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Seoul (SEL) to Washington, D.C. (WAS).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seoul to Washington, D.C. that are best for you.

Fly from

Fly to

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

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 2/18

12:45 pm-9:17 pm

2 stops22h 32m

Baltimore/Washington

Mon 3/23

6:05 am-4:40 am

2 stops33h 35m

$605

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 3/3

6:00 pm-5:20 pm

1 stop37h 20m

Baltimore/Washington

Mon 4/6

6:15 am-3:00 pm

1 stop19h 45m

$605

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 3/2

6:00 pm-2:01 pm

3 stops34h 01m

Baltimore/Washington

Wed 4/8

6:31 pm-4:20 am

1 stop20h 49m

$605

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 3/30

11:30 am-5:52 am

1 stop31h 22m

Baltimore/Washington

Mon 5/4

4:10 pm-4:20 am

2 stops23h 10m

$605

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 2/11

12:45 pm-5:26 pm

1 stop18h 41m

Baltimore/Washington

Mon 3/9

6:31 pm-4:40 am

1 stop21h 09m

$605

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

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 3/3

6:00 pm-11:30 am

2 stops31h 30m

Baltimore/Washington

Sun 4/5

6:31 pm-3:00 pm

1 stop31h 29m

$606

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 3/2

6:00 pm-7:27 am

1 stop27h 27m

Baltimore/Washington

Wed 3/4

8:42 am-5:40 am

1 stop30h 58m

$606

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results

...

Compare providers for flights from Seoul to Washington, D.C.

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Washington, D.C.

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

Currently, October is the cheapest month in which you can book a flight from Seoul to Washington, D.C. (average of $389). Flying from Seoul to Washington, D.C. 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 WAS?

When flying from Seoul to Washington, D.C., 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 Washington, D.C.

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).

How much does it cost to fly round-trip from Seoul to Washington, D.C.?

The best insider tips for Seoul to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Washington, D.C. trip

Airports

ICN

Plan for extra time at ICN as security lines can take up to 20 minutes, especially without fast track options.

IAD

Use the Silver Line Metro for a cheap and quick 40-minute ride from IAD to Washington, D.C.

Our travel experts

Gabriel Leigh

Expert on ICN

Ramsey Qubein

Expert on IAD

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Korean Air, Asiana Airlines, and Delta from Seoul to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,186 reviews

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

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Asiana Airlines

8.2

Very good

493 reviews

Korean Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Delta

7.9

Good

8,005 reviews

Korean Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

9,092 reviews

Korean Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air Canada

7.1

Good

10,534 reviews

Korean Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

How long is the flight from Seoul to Washington, D.C.?
For as low as $1,006, American Airlines can have you in Washington, D.C. from Seoul in 27h 20m. The distance between Seoul and Washington, D.C. is about 6925 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Seoul to Washington, D.C. round-trip?
Currently priced at $501, American Airlines will fly you from Seoul to Washington, D.C. and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $512 and $688, respectively. American Airlines is currently priced 49% 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 $440. However, be on the lookout for offers from United Airlines and Korean Air, 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 - Baltimore/Washington or Incheon Intl - Washington, D.C. Reagan-National as they are the most popular.
What are the cheapest flights from Seoul to Washington, D.C.?
On average you can expect to pay $1,285 for a flight from Seoul to Washington, D.C.. The cheapest flight overall is $1,052 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $512.
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, October is the cheapest month in which you can book a flight from Seoul to Washington, D.C. (average of $389). Flying from Seoul to Washington, D.C. 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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Top 5 airlines flying from Seoul to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$501	Average$723	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$512	Average$731	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$649	Average$1,520	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$688	Average$980	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,195	Average$1,408	FlexibilityNo cancel fee	On-time81%

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$383+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap 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 December 18, 2025.

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 December 18, 2025.

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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.

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Everything you need to know about your flight from Seoul to Washington, D.C.

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

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 December 18, 2025.

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

How much does it cost to fly round-trip from Seoul to Washington, D.C.?

The best insider tips for Seoul to Washington, D.C. flights

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Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Korean Air, Asiana Airlines, and Delta from Seoul to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Seoul to Washington, D.C.?

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

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

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

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

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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 December 18, 2025.