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

Currently priced at $794, Air Canada will fly you from Seoul to Washington, D.C. and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $925 and $970, respectively. Air Canada is currently priced 30% 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 WestJet, with whom users have recently found tickets for as low as $474. However, be on the lookout for offers from American Airlines and Air Canada, as they are both options that can get you from Seoul to Washington, D.C. for a low price.

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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $1,637 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 $828.

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.?

Friday 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..

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 44 days in advance, which can save you up to 36% on flights from Seoul to Washington, D.C. compared to booking the week you need them. Waiting 44 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $827. For sooner than that we have options available in the next 3 days from $953.

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 $1,140 per person but you can even find prices for as low as $748. The most expensive prices can be found in the month of August. Opting for a February flight can save you 53% on your journey compared to booking in August

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

$315+ Flights from Seoul to Washington, D.C.

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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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seoul to Washington, D.C. are usually found in February or December, booked 43 days in advance, depart on a Monday or Friday and return on a Wednesday

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$794 (Gotogate)
One-way from	$315 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$1,191
Good round-trip deal	$1,556 or less
Good one-way deal	$1,191 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 ($344 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 24, 2025.

Fri 11/76:50 pmICN - IAD

2 stops26h 45mAir Canada

Fri 11/219:45 amIAD - ICN

1 stop18h 40mAir Canada

Deal found 4/23

$793

Thu 9/187:05 pmICN - DCA

1 stop16h 29mAir Canada

Mon 11/176:59 amDCA - ICN

1 stop21h 26mAir Canada

Deal found 4/23

$800

Mon 5/196:20 pmICN - DCA

2 stops35h 39mMultiple Airlines

Sat 5/246:38 pmDCA - ICN

1 stop36h 52mMultiple Airlines

Deal found 4/22

$863

Thu 5/224:40 pmICN - IAD

1 stop20h 19mMultiple Airlines

Thu 6/56:30 amIAD - ICN

1 stop21h 10mMultiple Airlines

Deal found 4/23

$867

Mon 5/58:40 pmICN - BWI

1 stop34h 13mMultiple Airlines

Wed 5/212:59 pmBWI - ICN

2 stops24h 21mMultiple Airlines

Deal found 4/22

$881

Wed 5/215:25 pmICN - BWI

1 stop18h 56mAmerican Airlines

Mon 6/26:30 amBWI - ICN

2 stops44h 00mAmerican Airlines

Deal found 4/23

$925

Mon 5/125:25 pmICN - DCA

1 stop20h 21mAmerican Airlines

Mon 5/198:59 pmDCA - ICN

2 stops29h 31mAmerican Airlines

Deal found 4/22

$925

Fri 9/195:25 pmICN - IAD

1 stop35h 53mAmerican Airlines

Wed 10/156:45 amIAD - ICN

1 stop19h 45mAmerican Airlines

Deal found 4/23

$934

Mon 6/306:30 pmICN - IAD

1 stop34h 15mUnited Airlines

Thu 7/105:53 pmIAD - ICN

1 stop32h 07mUnited Airlines

Deal found 4/23

$970

Sun 10/267:50 pmGMP - IAD

1 stop27h 20mANA

Wed 10/2912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 4/23

$1,044

Thu 5/1510:25 amICN - IAD

Nonstop13h 50mKorean Air

Tue 8/58:30 pmIAD - ICN

1 stop19h 20mKorean Air

Deal found 4/23

$1,045

Tue 7/298:45 pmICN - IAD

1 stop34h 09mWestJet

Wed 8/136:45 pmIAD - ICN

1 stop35h 00mWestJet

Deal found 4/23

$1,129

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 April 24, 2025.

Mon 10/137:05 pmICN - IAD

1 stop34h 05mAir Canada

Tue 10/219:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/22

$794

Mon 5/196:20 pmICN - DCA

2 stops35h 39mMultiple Airlines

Sat 5/246:38 pmDCA - ICN

1 stop36h 52mMultiple Airlines

Deal found 4/22

$863

Wed 5/215:25 pmICN - BWI

2 stops36h 12mAmerican Airlines

Mon 6/21:45 pmBWI - ICN

2 stops36h 45mAmerican Airlines

Deal found 4/23

$925

Mon 6/306:30 pmICN - IAD

1 stop34h 15mUnited Airlines

Thu 7/105:53 pmIAD - ICN

1 stop32h 07mUnited Airlines

Deal found 4/23

$970

Thu 5/1510:25 amICN - IAD

Nonstop13h 50mKorean Air

Tue 8/58:30 pmIAD - ICN

1 stop19h 20mKorean Air

Deal found 4/23

$1,045

Tue 7/298:45 pmICN - IAD

1 stop34h 09mWestJet

Wed 8/136:45 pmIAD - ICN

1 stop35h 00mWestJet

Deal found 4/23

$1,129

Mon 5/199:25 pmICN - BWI

2 stops46h 04mAlaska Airlines

Mon 6/27:05 pmBWI - ICN

2 stops34h 55mAlaska Airlines

Deal found 4/23

$1,134

Sat 9/277:55 pmGMP - IAD

1 stop27h 10mANA

Fri 10/1712:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/23

$1,142

Wed 7/28:15 amICN - DCA

2 stops51h 44mLOT

Tue 8/126:30 amDCA - ICN

2 stops34h 55mLOT

Deal found 4/23

$1,175

Thu 5/86:40 pmICN - DCA

1 stop17h 46mDelta

Thu 5/226:05 amDCA - ICN

1 stop22h 45mDelta

Deal found 4/23

$1,310

Mon 5/1212:05 pmGMP - IAD

2 stops32h 38mJapan Airlines

Wed 6/116:30 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 4/23

$1,339

Wed 9/311:20 amICN - DCA

2 stops46h 39mSingapore Airlines

Mon 9/159:00 amDCA - ICN

3 stops41h 35mSingapore Airlines

Deal found 4/23

$1,418

Last-minute flights from Seoul to Washington, D.C.
Discover last-minute flight deals from Seoul to Washington, D.C.. Data last updated April 24, 2025 and is based on user searches.

Thu 4/243:45 pmICN - IAD

1 stop36h 55mUnited Airlines

Fri 4/2510:15 pmIAD - ICN

1 stop41h 05mUnited Airlines

Deal found 4/23

$986

Mon 4/2812:40 pmGMP - IAD

1 stop34h 25mANA

Mon 5/512:15 pmIAD - GMP

1 stop33h 50mANA

Deal found 4/23

$1,113

Tue 4/297:05 pmICN - IAD

2 stops39h 03mAir Canada

Tue 5/69:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/23

$1,164

Tue 4/2912:45 pmICN - IAD

2 stops38h 37mMultiple Airlines

Tue 5/207:59 pmIAD - ICN

1 stop35h 31mMultiple Airlines

Deal found 4/23

$1,319

Thu 5/14:50 pmICN - DCA

1 stop37h 07mUnited Airlines

Wed 5/143:30 pmDCA - ICN

2 stops23h 50mUnited Airlines

Deal found 4/23

$1,429

Thu 5/14:50 pmICN - BWI

1 stop27h 27mUnited Airlines

Wed 5/146:35 pmBWI - ICN

1 stop31h 25mUnited Airlines

Deal found 4/23

$1,447

Thu 5/110:15 amICN - DCA

1 stop21h 44mDelta

Sat 5/106:05 amDCA - ICN

1 stop22h 45mDelta

Deal found 4/23

$1,482

Fri 5/25:25 pmICN - IAD

1 stop18h 17mAmerican Airlines

Mon 5/125:26 pmIAD - ICN

2 stops33h 04mAmerican Airlines

Deal found 4/23

$941

Fri 5/212:35 amICN - IAD

2 stops32h 30mEthiopian Air

Thu 5/89:40 pmIAD - ICN

2 stops29h 20mEthiopian Air

Deal found 4/22

$1,222

Sat 5/312:45 pmICN - BWI

1 stop20h 33mMultiple Airlines

Sat 5/109:21 pmBWI - ICN

2 stops34h 09mMultiple Airlines

Deal found 4/23

$1,225

Sat 5/312:45 pmICN - DCA

1 stop21h 13mMultiple Airlines

Sun 5/117:00 amDCA - ICN

2 stops48h 30mMultiple Airlines

Deal found 4/23

$1,320

Sat 5/311:30 amICN - IAD

1 stop30h 53mUnited Airlines

Thu 5/812:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/22

$1,322

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 April 24, 2025.

Mon 5/196:20 pmICN - DCA

2 stops35h 39mMultiple Airlines

Deal found 4/22

$315

Mon 5/196:20 pmICN - IAD

1 stop37h 39mMultiple Airlines

Deal found 4/22

$342

Sat 5/1012:45 pmICN - BWI

1 stop19h 54mMultiple Airlines

Deal found 4/24

$445

Tue 6/178:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 4/23

$474

Fri 6/68:45 pmICN - BWI

2 stops38h 40mWestJet

Deal found 4/23

$513

Mon 5/195:25 pmICN - BWI

1 stop34h 10mAmerican Airlines

Deal found 4/22

$587

Fri 5/25:25 pmICN - IAD

1 stop18h 17mAmerican Airlines

Deal found 4/23

$594

Fri 5/25:25 pmICN - DCA

1 stop20h 30mAmerican Airlines

Deal found 4/23

$594

Mon 6/168:45 pmICN - DCA

3 stops27h 15mWestJet

Deal found 4/23

$607

Tue 6/176:00 pmICN - DCA

1 stop16h 53mAir Canada

Deal found 4/23

$628

Fri 6/1310:50 amICN - IAD

1 stop21h 40mAir China

Deal found 4/23

$658

Sun 5/1112:35 amICN - IAD

2 stops32h 30mEthiopian Air

Deal found 4/23

$680

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 - IAD

ICNIAD

Incheon Intl

Mon 10/13

7:05 pm-4:10 pm

1 stop34h 05m

Washington, D.C. Dulles Intl

Tue 10/21

9:45 am-4:05 pm

2 stops41h 20m

$794

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 9/18

7:05 pm-10:34 pm

1 stop16h 29m

Washington, D.C. Reagan-National

Mon 11/17

6:59 am-6:25 pm

1 stop21h 26m

$800

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 5/19

6:20 pm-4:59 pm

2 stops35h 39m

Washington, D.C. Reagan-National

Sat 5/24

6:38 pm-8:30 pm

1 stop36h 52m

$863

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/22

4:40 pm-11:59 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Thu 6/5

6:30 am-4:40 pm

1 stop21h 10m

$867

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 5/5

8:40 pm-5:53 pm

1 stop34h 13m

Baltimore/Washington

Wed 5/21

2:59 pm-4:20 am

2 stops24h 21m

$881

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 5/21

5:25 pm-4:37 pm

2 stops36h 12m

Baltimore/Washington

Mon 6/2

1:45 pm-3:30 pm

2 stops36h 45m

$925

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 5/12

5:25 pm-12:46 am

1 stop20h 21m

Washington, D.C. Reagan-National

Mon 5/19

8:59 pm-3:30 pm

2 stops29h 31m

$925

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 9/19

5:25 pm-4:18 pm

1 stop35h 53m

Washington, D.C. Dulles Intl

Wed 10/15

6:45 am-3:30 pm

1 stop19h 45m

$934

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/30

6:30 pm-3:45 pm

1 stop34h 15m

Washington, D.C. Dulles Intl

Thu 7/10

5:53 pm-3:00 pm

1 stop32h 07m

$970

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

10:25 am-11:15 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Tue 8/5

8:30 pm-4:50 am

1 stop19h 20m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seoul-Washington, D.C. flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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

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 $383). 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 42% 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).

Rainfall in Washington, D.C. 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

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.

Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as EVA Air, Korean Air and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,453 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

853 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Singapore Airlines

8.1

Very good

1,290 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What are the cheapest airlines flying from Seoul to Washington, D.C. round-trip?
Currently priced at $794, Air Canada will fly you from Seoul to Washington, D.C. and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $925 and $970, respectively. Air Canada is currently priced 30% 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 WestJet, with whom users have recently found tickets for as low as $474. However, be on the lookout for offers from American Airlines and Air Canada, 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 $1,637 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 $828.
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 $383). 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

Arlington

Alexandria

Woodbridge

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Gaithersburg

Silver Spring

Linthicum Heights

Falls Church

Laurel

Easton

Herndon

Bowie

Towson

National Harbor

Oxon Hill

Reston

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$687	Average$806	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$688	Average$982	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$726	Average$1,038	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$882	Average$1,574	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,127	Average$1,508	FlexibilityNo cancel fee	On-time81%

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$315+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Seoul to Washington, D.C. are usually found in February or December, booked 43 days in advance, depart on a Monday or Friday and return on a Wednesday

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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 April 24, 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 April 24, 2025.

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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 April.

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.

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 April 18, 2025.

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 April 24, 2025.

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

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as EVA Air, Korean Air and Japan Airlines. Reviews also offer insight into each airline's 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.

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.?

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Alternative routes for Seoul to 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 April 24, 2025.