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

Currently priced at $899, 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 $917 and $961, respectively. Air Canada is currently priced 21% 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 $483. However, be on the lookout for offers from Air Canada and American Airlines, 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 $1,393 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 $822.

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.

$409+ Flights from Seoul to Washington, D.C. - Compare & Save Big

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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	$811 (Kiwi.com)
One-way from	$409 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$1,191
Good round-trip deal	$1,440 or less
Good one-way deal	$1,085 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).

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 April 30, 2025.

Wed 5/78:40 pmICN - BWI

2 stops22h 30mMultiple Airlines

Wed 5/148:44 pmBWI - ICN

1 stop31h 51mMultiple Airlines

Deal found 4/29

$726

Wed 5/284:40 pmICN - IAD

1 stop20h 19mMultiple Airlines

Wed 6/116:30 amIAD - ICN

1 stop21h 10mMultiple Airlines

Deal found 4/27

$811

Fri 10/315:50 pmICN - IAD

2 stops30h 26mAir Canada

Fri 11/79:45 amIAD - ICN

1 stop18h 40mAir Canada

Deal found 4/28

$883

Fri 9/126:00 pmICN - DCA

1 stop16h 51mAir Canada

Tue 9/236:00 amDCA - ICN

1 stop21h 15mAir Canada

Deal found 4/28

$911

Wed 5/75:25 pmICN - IAD

2 stops28h 13mAmerican Airlines

Wed 5/146:17 amIAD - ICN

1 stop20h 13mAmerican Airlines

Deal found 4/29

$917

Wed 5/75:25 pmICN - DCA

1 stop20h 21mAmerican Airlines

Wed 5/145:00 amDCA - ICN

1 stop21h 30mAmerican Airlines

Deal found 4/29

$926

Mon 5/55:25 pmICN - BWI

1 stop18h 56mAmerican Airlines

Wed 9/246:56 amBWI - ICN

1 stop19h 34mAmerican Airlines

Deal found 4/29

$927

Sat 5/34:50 pmICN - IAD

1 stop35h 00mUnited Airlines

Tue 5/612:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$959

Mon 9/155:45 pmICN - DCA

2 stops29h 35mMultiple Airlines

Tue 10/144:35 pmDCA - ICN

2 stops39h 35mMultiple Airlines

Deal found 4/28

$971

Mon 10/67:55 pmGMP - IAD

1 stop27h 10mANA

Thu 10/1612:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,033

Wed 7/28:15 amICN - DCA

2 stops51h 44mLOT

Tue 8/126:30 amDCA - ICN

2 stops34h 55mLOT

Deal found 4/28

$1,163

Wed 8/279:25 pmICN - BWI

2 stops33h 57mAlaska Airlines

Tue 9/97:22 pmBWI - ICN

2 stops58h 38mAlaska Airlines

Deal found 4/29

$1,198

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 30, 2025.

Wed 5/284:40 pmICN - IAD

1 stop20h 19mMultiple Airlines

Wed 6/116:30 amIAD - ICN

1 stop21h 10mMultiple Airlines

Deal found 4/27

$811

Wed 10/155:45 pmICN - IAD

2 stops40h 20mAir Canada

Wed 10/229:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/27

$899

Thu 5/155:25 pmICN - IAD

2 stops43h 37mAmerican Airlines

Tue 8/56:35 amIAD - ICN

2 stops43h 55mAmerican Airlines

Deal found 4/29

$917

Mon 6/306:30 pmICN - IAD

1 stop34h 15mUnited Airlines

Mon 7/143:00 pmIAD - ICN

1 stop35h 00mUnited Airlines

Deal found 4/29

$961

Mon 10/67:55 pmGMP - IAD

1 stop27h 10mANA

Thu 10/1612:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,033

Thu 5/1510:25 amICN - IAD

Nonstop13h 50mKorean Air

Tue 8/58:31 pmIAD - ICN

1 stop19h 19mKorean Air

Deal found 4/29

$1,104

Wed 7/28:15 amICN - DCA

2 stops51h 44mLOT

Tue 8/126:30 amDCA - ICN

2 stops34h 55mLOT

Deal found 4/28

$1,163

Wed 8/279:25 pmICN - BWI

2 stops33h 57mAlaska Airlines

Tue 9/97:22 pmBWI - ICN

2 stops58h 38mAlaska Airlines

Deal found 4/29

$1,198

Fri 9/197:55 amGMP - DCA

2 stops18h 58mJapan Airlines

Mon 10/208:25 amDCA - GMP

2 stops37h 20mJapan Airlines

Deal found 4/28

$1,281

Mon 6/308:45 pmICN - BWI

2 stops27h 07mWestJet

Fri 8/85:40 amBWI - ICN

2 stops24h 05mWestJet

Deal found 4/29

$1,286

Wed 6/46:40 pmICN - DCA

1 stop16h 21mDelta

Tue 6/106:06 amDCA - ICN

1 stop22h 44mDelta

Deal found 4/28

$1,299

Tue 9/211:20 amICN - BWI

2 stops42h 47mSingapore Airlines

Tue 9/307:28 pmBWI - ICN

2 stops37h 52mSingapore Airlines

Deal found 4/29

$1,632

Last-minute flights from Seoul to Washington, D.C.
Discover last-minute flight deals from Seoul to Washington, D.C.. Data last updated April 30, 2025 and is based on user searches.

Thu 5/17:55 pmGMP - IAD

1 stop27h 10mANA

Thu 5/812:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/29

$1,038

Sat 5/34:50 pmICN - IAD

1 stop35h 00mUnited Airlines

Tue 5/612:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$959

Sun 5/44:50 pmICN - IAD

1 stop36h 40mUnited Airlines

Sun 5/1812:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$1,150

Sun 5/412:35 amICN - IAD

2 stops32h 30mEthiopian Air

Mon 5/199:40 pmIAD - ICN

2 stops29h 20mEthiopian Air

Deal found 4/29

$1,165

Sun 5/47:55 pmGMP - IAD

1 stop27h 10mANA

Thu 5/812:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,306

Mon 5/58:40 pmICN - IAD

1 stop32h 20mMultiple Airlines

Wed 9/249:00 amIAD - ICN

1 stop19h 55mMultiple Airlines

Deal found 4/28

$841

Mon 5/55:25 pmICN - BWI

1 stop18h 56mAmerican Airlines

Wed 9/246:56 amBWI - ICN

1 stop19h 34mAmerican Airlines

Deal found 4/29

$927

Wed 5/78:40 pmICN - BWI

2 stops22h 30mMultiple Airlines

Wed 5/148:44 pmBWI - ICN

1 stop31h 51mMultiple Airlines

Deal found 4/29

$726

Wed 5/75:25 pmICN - IAD

2 stops28h 13mAmerican Airlines

Wed 5/146:17 amIAD - ICN

1 stop20h 13mAmerican Airlines

Deal found 4/29

$917

Wed 5/75:25 pmICN - DCA

1 stop20h 21mAmerican Airlines

Wed 5/145:00 amDCA - ICN

1 stop21h 30mAmerican Airlines

Deal found 4/29

$926

Wed 5/77:05 pmICN - DCA

1 stop16h 23mAir Canada

Wed 5/144:35 pmDCA - ICN

2 stops34h 30mAir Canada

Deal found 4/29

$995

Wed 5/75:45 pmICN - IAD

2 stops28h 54mAir Canada

Wed 5/219:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/29

$1,024

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 30, 2025.

Wed 5/286:20 pmICN - IAD

1 stop24h 35mMultiple Airlines

Deal found 4/29

$409

Mon 5/126:20 pmICN - DCA

2 stops35h 39mMultiple Airlines

Deal found 4/29

$418

Fri 5/306:20 pmICN - BWI

2 stops35h 33mMultiple Airlines

Deal found 4/29

$422

Thu 6/128:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 4/28

$483

Tue 5/137:40 pmGMP - IAD

3 stops57h 05mMultiple Airlines

Deal found 4/28

$560

Mon 5/267:25 pmGMP - BWI

3 stops37h 14mMultiple Airlines

Deal found 4/28

$573

Wed 9/246:00 pmICN - IAD

1 stop30h 16mAir Canada

Deal found 4/29

$585

Tue 5/275:25 pmICN - IAD

1 stop18h 32mAmerican Airlines

Deal found 4/29

$586

Tue 5/275:25 pmICN - DCA

1 stop18h 39mAmerican Airlines

Deal found 4/29

$586

Fri 6/131:05 pmICN - IAD

1 stop19h 25mAir China

Deal found 4/29

$592

Thu 5/155:25 pmICN - BWI

1 stop34h 10mAmerican Airlines

Deal found 4/29

$597

Thu 6/198:45 pmICN - BWI

3 stops33h 04mWestJet

Deal found 4/28

$605

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

Wed 5/28

4:40 pm-11:59 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Wed 6/11

6:30 am-4:40 pm

1 stop21h 10m

$811

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/15

5:45 pm-9:05 pm

2 stops40h 20m

Washington, D.C. Dulles Intl

Wed 10/22

9:45 am-4:05 pm

2 stops41h 20m

$899

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Sat 6/14

8:55 pm-11:23 am

2 stops27h 28m

Baltimore/Washington

Sat 6/21

12:25 pm-4:30 am

2 stops27h 05m

$907

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 9/12

6:00 pm-9:51 pm

1 stop16h 51m

Washington, D.C. Reagan-National

Tue 9/23

6:00 am-4:15 pm

1 stop21h 15m

$911

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

5:25 pm-12:02 am

2 stops43h 37m

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-3:30 pm

2 stops43h 55m

$917

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

Mon 7/14

3:00 pm-3:00 pm

1 stop35h 00m

$961

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 9/15

5:45 pm-10:20 am

2 stops29h 35m

Washington, D.C. Reagan-National

Tue 10/14

4:35 pm-9:10 pm

2 stops39h 35m

$971

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 5/12

5:25 pm-9:59 am

2 stops29h 34m

Baltimore/Washington

Sat 6/14

7:49 pm-3:30 pm

2 stops30h 41m

$980

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 10/6

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Thu 10/16

12:15 pm-10:20 pm

1 stop21h 05m

$1,033

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/9

5:25 pm-12:46 am

1 stop44h 21m

Washington, D.C. Reagan-National

Tue 5/20

5:00 am-3:30 pm

1 stop21h 30m

$1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $373). 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

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Korean Air

8.4

Very good

1,066 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,459 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

ANA

8.3

Very good

852 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Singapore Airlines

8.1

Very good

1,292 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What are the cheapest airlines flying from Seoul to Washington, D.C. round-trip?
Currently priced at $899, 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 $917 and $961, respectively. Air Canada is currently priced 21% 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 $483. However, be on the lookout for offers from Air Canada and American Airlines, 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 $1,393 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 $822.
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 $373). 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

Alexandria

Arlington

Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

Towson

Herndon

Bowie

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$1,037	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$882	Average$1,551	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,127	Average$1,466	FlexibilityNo cancel fee	On-time81%

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$409+ 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 5/28. 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

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

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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 30, 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 30, 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 25, 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 30, 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 30, 2025.