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

For as low as $503, United Airlines can have you in Washington, D.C. from Seoul in 30h 19m. The distance between Seoul and Washington, D.C. is about 6938 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 $590, 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 $676 and $688, respectively. American Airlines is currently priced 44% below the average price you’ll pay for this route.

What is the cheapest day to fly from Seoul to Washington, D.C.?

Travelers seeking maximum savings on their Seoul to Washington, D.C. flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 - 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 $1,425 for a flight from Seoul to Washington, D.C.. The cheapest flight overall is $983 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $490.

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: American Airlines, Air Canada or Delta.

What is the cheapest day to fly round-trip from Seoul to Washington, D.C.?

Wednesday flights are found to be more expensive to fly from Seoul to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest month to fly from Seoul to Washington, D.C.?

February is one of the best times of the year to fly to Washington, D.C. from Seoul. Prices for February average $1,070 per person but you can even find prices for as low as $597. The most expensive prices can be found in the month of August. Opting for a February flight can save you 69% on your journey compared to booking in August

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.

$381+ 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 $711 and $1,155 in October. The cheapest round-trip price found within the last 3 days was $385 on Air Canada (Oct 28-Nov 4).

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

Round-trip from	$385 (Jetabroad)
One-way from	$382 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$871
Good round-trip deal	$1,526 or less
Good one-way deal	$1,105 or less

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. 17% potential increase in price ($226 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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).

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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 September 15, 2025.

Tue 9/167:05 pmICN - DCA

1 stop35h 59mAir Canada

Mon 9/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 9/13

$381

Tue 10/287:10 pmICN - IAD

1 stop38h 19mAir Canada

Tue 11/44:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$385

Tue 9/167:05 pmICN - IAD

1 stop31h 33mAir Canada

Mon 9/222:25 pmIAD - ICN

1 stop38h 05mAir Canada

Deal found 9/13

$388

Fri 10/245:45 pmICN - DCA

2 stops31h 23mAir Canada

Sun 11/94:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$446

Wed 10/295:55 pmICN - DCA

2 stops31h 24mAir Canada

Wed 11/511:05 amDCA - ICN

2 stops40h 05mAir Canada

Deal found 9/14

$452

Fri 10/245:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 11/94:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$462

Wed 11/196:55 pmICN - IAD

2 stops30h 28mAir Canada

Wed 2/119:45 amIAD - ICN

2 stops41h 25mAir Canada

Deal found 9/13

$471

Wed 11/196:55 pmICN - DCA

2 stops29h 31mAir Canada

Thu 2/124:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$471

Wed 11/126:55 pmICN - IAD

2 stops30h 28mAir Canada

Tue 2/35:48 pmIAD - ICN

2 stops33h 22mAir Canada

Deal found 9/12

$472

Wed 11/126:55 pmICN - DCA

2 stops29h 31mAir Canada

Thu 2/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/12

$472

Fri 11/76:55 pmICN - IAD

2 stops39h 31mAir Canada

Fri 11/214:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/14

$475

Thu 11/206:55 pmICN - IAD

2 stops35h 14mAir Canada

Thu 12/44:30 pmIAD - ICN

2 stops34h 40mAir Canada

Deal found 9/14

$477

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 September 15, 2025.

Fri 3/135:00 pmICN - BWI

2 stops30h 19mUnited Airlines

Tue 3/176:15 amBWI - ICN

1 stop20h 00mUnited Airlines

Deal found 9/14

$503

Mon 11/109:25 pmICN - DCA

2 stops36h 35mAlaska Airlines

Tue 2/39:30 amDCA - ICN

2 stops43h 05mAlaska Airlines

Deal found 9/12

$690

Mon 12/1512:45 pmICN - BWI

2 stops40h 26mUnited Airlines

Fri 2/274:06 pmBWI - ICN

2 stops34h 09mUnited Airlines

Deal found 9/14

$503

Mon 12/1512:25 pmGMP - IAD

1 stop34h 45mANA

Fri 2/2711:05 amIAD - GMP

1 stop21h 25mANA

Deal found 9/14

$1,052

Wed 12/312:45 pmICN - BWI

2 stops24h 15mUnited Airlines

Sun 12/710:20 amBWI - ICN

2 stops29h 20mUnited Airlines

Deal found 9/14

$503

Sat 2/286:00 pmICN - IAD

2 stops25h 09mUnited Airlines

Sat 3/75:30 pmIAD - ICN

1 stop22h 10mUnited Airlines

Deal found 9/15

$503

Tue 10/712:05 pmGMP - BWI

2 stops24h 43mJapan Airlines

Mon 10/206:00 amBWI - GMP

2 stops50h 50mJapan Airlines

Deal found 9/15

$1,224

Wed 10/1512:05 pmGMP - BWI

2 stops24h 43mMultiple Airlines

Wed 10/2211:50 amBWI - GMP

2 stops33h 55mMultiple Airlines

Deal found 9/15

$1,278

Wed 12/36:00 pmICN - IAD

1 stop25h 27mUnited Airlines

Sun 12/75:15 pmIAD - ICN

2 stops22h 25mUnited Airlines

Deal found 9/14

$503

Thu 11/2012:45 pmICN - IAD

2 stops24h 59mUnited Airlines

Thu 12/46:30 amIAD - ICN

1 stop19h 45mUnited Airlines

Deal found 9/14

$503

Mon 11/246:00 pmICN - IAD

2 stops25h 16mUnited Airlines

Thu 12/46:39 pmIAD - ICN

1 stop21h 01mUnited Airlines

Deal found 9/14

$503

Wed 10/2911:55 amICN - IAD

1 stop32h 00mUnited Airlines

Wed 11/56:30 amIAD - ICN

1 stop19h 45mUnited Airlines

Deal found 9/13

$503

Last-minute flights from Seoul to Washington, D.C.
Discover last-minute flight deals from Seoul to Washington, D.C.. Data last updated September 15, 2025 and is based on user searches.

Tue 9/167:05 pmICN - DCA

1 stop35h 59mAir Canada

Mon 9/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 9/13

$381

Tue 9/167:05 pmICN - IAD

1 stop31h 33mAir Canada

Mon 9/222:25 pmIAD - ICN

1 stop38h 05mAir Canada

Deal found 9/13

$388

Wed 10/85:45 pmICN - IAD

2 stops28h 53mAir Canada

Tue 1/65:48 pmIAD - ICN

2 stops33h 22mAir Canada

Deal found 9/15

$477

Wed 10/85:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 10/2610:11 pmIAD - ICN

2 stops28h 59mAir Canada

Deal found 9/13

$484

Fri 10/245:45 pmICN - DCA

2 stops31h 23mAir Canada

Sun 11/94:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$446

Fri 10/245:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 11/94:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$462

Fri 10/245:45 pmICN - IAD

2 stops40h 27mAir Canada

Tue 11/45:50 pmIAD - ICN

2 stops33h 20mAir Canada

Deal found 9/15

$471

Mon 10/275:55 pmICN - IAD

2 stops40h 27mAir Canada

Sat 11/155:50 pmIAD - ICN

2 stops33h 20mAir Canada

Deal found 9/12

$472

Mon 10/277:10 pmICN - DCA

1 stop35h 55mAir Canada

Wed 11/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$472

Mon 10/277:10 pmICN - IAD

1 stop33h 44mAir Canada

Wed 11/59:00 amIAD - ICN

2 stops42h 10mAir Canada

Deal found 9/13

$480

Tue 10/287:10 pmICN - IAD

1 stop38h 19mAir Canada

Tue 11/44:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$385

Wed 10/295:55 pmICN - DCA

2 stops31h 24mAir Canada

Wed 11/511:05 amDCA - ICN

2 stops40h 05mAir Canada

Deal found 9/14

$452

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 September 15, 2025.

Wed 10/156:00 pmICN - DCA

1 stop16h 51mAir Canada

Deal found 9/15

$382

Tue 10/289:20 pmICN - IAD

3 stops36h 00mMultiple Airlines

Deal found 9/13

$390

Thu 10/309:20 pmICN - IAD

3 stops32h 14mMultiple Airlines

Deal found 9/13

$393

Tue 10/219:05 pmICN - IAD

3 stops35h 41mMultiple Airlines

Deal found 9/14

$414

Fri 10/178:35 pmICN - BWI

2 stops44h 55mMultiple Airlines

Deal found 9/15

$415

Sat 10/188:35 pmICN - BWI

2 stops20h 55mMultiple Airlines

Deal found 9/15

$416

Sun 11/29:20 pmICN - IAD

2 stops34h 03mMultiple Airlines

Deal found 9/13

$417

Wed 10/229:25 pmICN - BWI

2 stops46h 10mMultiple Airlines

Deal found 9/12

$419

Thu 10/239:05 pmICN - IAD

2 stops55h 12mMultiple Airlines

Deal found 9/15

$419

Wed 10/159:25 pmICN - BWI

2 stops46h 10mMultiple Airlines

Deal found 9/13

$421

Mon 10/139:25 pmICN - BWI

2 stops32h 51mMultiple Airlines

Deal found 9/15

$422

Mon 10/136:20 pmICN - DCA

2 stops54h 44mMultiple Airlines

Deal found 9/15

$427

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

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Fri 3/13

5:00 pm-10:19 am

2 stops30h 19m

Baltimore/Washington

Tue 3/17

6:15 am-3:15 pm

1 stop20h 00m

$503

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 12/15

12:45 pm-3:11 pm

2 stops40h 26m

Baltimore/Washington

Fri 2/27

4:06 pm-4:15 pm

2 stops34h 09m

$503

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 12/3

12:45 pm-11:00 pm

2 stops24h 15m

Baltimore/Washington

Sun 12/7

10:20 am-5:40 am

2 stops29h 20m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sat 2/28

6:00 pm-5:09 am

2 stops25h 09m

Washington, D.C. Dulles Intl

Sat 3/7

5:30 pm-5:40 am

1 stop22h 10m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 12/3

6:00 pm-5:27 am

1 stop25h 27m

Washington, D.C. Dulles Intl

Sun 12/7

5:15 pm-5:40 am

2 stops22h 25m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 11/20

12:45 pm-11:44 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

Thu 12/4

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 11/24

6:00 pm-5:16 am

2 stops25h 16m

Washington, D.C. Dulles Intl

Thu 12/4

6:39 pm-5:40 am

1 stop21h 01m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/29

11:55 am-6:55 am

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 11/5

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-11:59 pm

2 stops25h 14m

Washington, D.C. Reagan-National

Mon 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 12/3

6:00 pm-8:58 am

2 stops28h 58m

Washington, D.C. Reagan-National

Sun 12/7

12:00 pm-5:40 am

2 stops27h 40m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results

...

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

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, August is the cheapest month in which you can book a flight from Seoul to Washington, D.C. (average of $292). Flying from Seoul to Washington, D.C. in April is currently the most expensive (average of $337). 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?

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 40% on your trip compared to booking a flight in the morning.

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.?

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

1,139 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

1,139 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Asiana Airlines

8.2

Very good

479 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Delta

8.0

Very good

7,954 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,929 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air Canada

7.1

Good

10,000 reviews

Korean Air

8.4

Very good

1,139 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 $503, United Airlines can have you in Washington, D.C. from Seoul in 30h 19m. The distance between Seoul and Washington, D.C. is about 6938 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 $590, 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 $676 and $688, respectively. American Airlines is currently priced 44% below the average price you’ll pay for this route.
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 $1,425 for a flight from Seoul to Washington, D.C.. The cheapest flight overall is $983 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $490.
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 $292). Flying from Seoul to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

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Laurel

Towson

Dundalk

National Harbor

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$590	Average$964	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$649	Average$1,516	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$676	Average$825	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$688	Average$980	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,184	Average$1,404	FlexibilityNo cancel fee	On-time81%

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$381+ Cheap flights from Seoul (SEL) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 September 15, 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 September 15, 2025.

Cheapflights Fare Finder

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

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

IAD

Our travel experts

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.

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.?

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 September 15, 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.?

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

What are the cheapest flights 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 September 15, 2025.