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

Airlines like United Airlines, ANA, and Philippine Airlines fly from South Korea to Washington, D.C. in about 26h 22m. The time it takes to get you to your destination can typically vary by up to 11h 27m. The distance from South Korea to Washington, D.C. is about 6939 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 to fly from South Korea to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from South Korea to Washington, D.C. are American Airlines ($440), United Airlines ($443), and Korean Air ($776).

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 South Korea to Washington, D.C.?

While some choose either Incheon Intl - Baltimore/Washington or Incheon Intl - Washington, D.C. Reagan-National, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C..

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

Looking for the cheapest flight from South Korea to Washington, D.C.? While on average our users pay $1,285, our data indicates the cheapest price to be $1,052. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $511.

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

Consider American Airlines, United Airlines or Breeze Airways when booking your flight. These represent the most popular airlines when flying from South Korea to Washington, D.C..

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

Yes. In addition to deals on South Korea to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Korea 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 South Korea to Washington, D.C..

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

Yes. Cheapflights offers flight deals from South Korea 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 South Korea to Washington, D.C.

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Cheap flight deals from South Korea to Washington, D.C.

Cheapest flights from South Korea to Washington, D.C.
Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Mon 12/158:35 pmICN - IAD

1 stop34h 01mHawaiian Airlines

Fri 2/276:27 pmIAD - ICN

1 stop34h 08mHawaiian Airlines

Deal found 12/15

$477

Wed 12/247:15 pmICN - BWI

2 stops30h 29mAmerican Airlines

Mon 2/165:54 pmBWI - ICN

2 stops32h 51mAmerican Airlines

Deal found 12/15

$483

Mon 12/156:55 pmICN - IAD

2 stops30h 28mAir Canada

Fri 2/2710:09 pmIAD - ICN

2 stops27h 51mAir Canada

Deal found 12/15

$483

Wed 12/247:15 pmICN - IAD

1 stop35h 01mAmerican Airlines

Mon 2/164:40 pmIAD - ICN

2 stops34h 05mAmerican Airlines

Deal found 12/15

$490

Wed 12/247:15 pmICN - DCA

2 stops27h 30mAmerican Airlines

Mon 2/166:35 pmDCA - ICN

1 stop32h 10mAmerican Airlines

Deal found 12/15

$490

Thu 12/2512:45 pmICN - BWI

1 stop23h 09mUnited Airlines

Sun 2/158:42 amBWI - ICN

1 stop30h 58mUnited Airlines

Deal found 12/14

$511

Thu 12/256:00 pmICN - IAD

2 stops25h 19mUnited Airlines

Sat 2/141:20 pmIAD - ICN

2 stops26h 20mUnited Airlines

Deal found 12/14

$511

Thu 12/256:00 pmICN - DCA

1 stop17h 43mUnited Airlines

Sat 2/145:50 pmDCA - ICN

1 stop21h 50mUnited Airlines

Deal found 12/14

$511

Thu 12/2512:45 pmICN - BWI

1 stop23h 09mUnited 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

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 12/15

$521

Best flights from South Korea to Washington, D.C.
Discover carefully curated flight deals from South Korea 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 16, 2025.

Fri 12/2612:45 pmICN - IAD

1 stop26h 22mUnited Airlines

Mon 2/166:05 pmIAD - ICN

1 stop21h 35mUnited Airlines

Deal found 12/14

$511

Fri 4/247:40 amGMP - IAD

2 stops36h 55mANA

Wed 4/2912:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 12/14

$1,043

Wed 1/288:55 pmPUS - DCA

2 stops37h 49mPhilippine Airlines

Wed 2/45:30 pmDCA - PUS

2 stops36h 25mPhilippine Airlines

Deal found 12/14

$1,169

Sun 2/112:00 pmPUS - IAD

2 stops41h 49mMultiple Airlines

Tue 2/104:30 pmIAD - PUS

2 stops56h 40mMultiple Airlines

Deal found 12/15

$1,171

Tue 3/105:00 pmICN - BWI

1 stop37h 20mUnited Airlines

Mon 4/136:31 pmBWI - ICN

1 stop20h 49mUnited Airlines

Deal found 12/14

$606

Wed 4/17:55 amGMP - DCA

2 stops20h 49mJapan Airlines

Sun 4/55:00 pmDCA - GMP

2 stops39h 50mJapan Airlines

Deal found 12/14

$1,261

Fri 1/912:45 pmPUS - IAD

1 stop19h 45mAir China

Tue 2/1010:00 pmIAD - PUS

1 stop23h 45mAir China

Deal found 12/14

$1,283

Thu 1/2912:45 pmICN - BWI

1 stop18h 41mUnited Airlines

Thu 2/512:25 pmBWI - ICN

2 stops37h 50mUnited Airlines

Deal found 12/15

$606

Wed 1/2812:00 pmPUS - IAD

1 stop35h 50mKorean Air

Wed 2/411:50 amIAD - PUS

1 stop30h 20mKorean Air

Deal found 12/14

$1,368

Thu 2/1912:45 pmICN - BWI

2 stops36h 45mUnited Airlines

Tue 3/248:02 amBWI - ICN

2 stops31h 38mUnited Airlines

Deal found 12/14

$606

Tue 3/36:00 pmICN - BWI

2 stops19h 25mUnited Airlines

Mon 4/612:40 pmBWI - ICN

2 stops37h 20mUnited Airlines

Deal found 12/15

$606

Wed 2/1112:45 pmICN - BWI

1 stop18h 41mUnited Airlines

Mon 3/96:31 pmBWI - ICN

1 stop21h 09mUnited Airlines

Deal found 12/15

$606

Thu 2/1912:45 pmICN - BWI

2 stops36h 45mUnited Airlines

Mon 3/236:31 pmBWI - ICN

1 stop21h 09mUnited Airlines

Deal found 12/14

$606

Thu 1/2912:45 pmICN - IAD

2 stops24h 37mUnited Airlines

Thu 2/51:05 pmIAD - ICN

2 stops26h 35mUnited Airlines

Deal found 12/15

$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

Mon 3/26:00 pmICN - IAD

1 stop16h 48mUnited Airlines

Wed 3/44:10 pmIAD - ICN

1 stop23h 30mUnited Airlines

Deal found 12/14

$606

Thu 1/294:10 pmPUS - DCA

2 stops20h 25mMultiple Airlines

Thu 2/58:40 pmDCA - PUS

2 stops45h 30mMultiple Airlines

Deal found 12/15

$1,192

Wed 1/1412:25 pmGMP - IAD

2 stops33h 05mANA

Sun 1/188:20 amIAD - GMP

2 stops37h 00mANA

Deal found 12/16

$1,098

Wed 4/17:55 amGMP - BWI

2 stops23h 09mJapan Airlines

Sun 4/56:52 amBWI - GMP

2 stops49h 58mJapan Airlines

Deal found 12/14

$1,262

Tue 3/36:00 pmICN - IAD

1 stop16h 48mUnited Airlines

Thu 4/1610:05 pmIAD - ICN

2 stops27h 55mUnited Airlines

Deal found 12/14

$606

Thu 1/297:50 pmGMP - DCA

2 stops31h 23mANA

Sat 1/316:30 amDCA - GMP

2 stops38h 50mANA

Deal found 12/16

$1,098

Thu 1/294:10 pmPUS - IAD

2 stops33h 38mMultiple Airlines

Thu 2/54:30 pmIAD - PUS

2 stops49h 40mMultiple Airlines

Deal found 12/15

$1,225

Fri 1/22:25 pmGMP - IAD

1 stop18h 05mAir China

Tue 1/610:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 12/16

$1,373

Thu 1/294:10 pmPUS - IAD

1 stop31h 40mKorean Air

Thu 2/511:50 amIAD - PUS

1 stop30h 20mKorean Air

Deal found 12/15

$1,409

Thu 1/2912:45 pmICN - IAD

1 stop22h 09mUnited Airlines

Mon 3/26:05 pmIAD - ICN

1 stop21h 35mUnited Airlines

Deal found 12/14

$606

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

Wed 2/187:50 pmGMP - IAD

1 stop27h 20mANA

Thu 2/1912:40 pmIAD - GMP

2 stops43h 50mANA

Deal found 12/16

$1,119

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

Sun 2/13:55 pmPUS - IAD

1 stop31h 55mKorean Air

Tue 2/1011:50 amIAD - PUS

1 stop18h 55mKorean Air

Deal found 12/15

$1,416

Thu 1/2912:45 pmICN - IAD

1 stop30h 47mUnited Airlines

Fri 2/68:15 amIAD - ICN

2 stops31h 25mUnited Airlines

Deal found 12/15

$606

Last-minute flights from South Korea to Washington, D.C.
Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated December 16, 2025 and is based on user searches.

Wed 12/247:15 pmICN - BWI

2 stops30h 29mAmerican Airlines

Mon 2/165:54 pmBWI - ICN

2 stops32h 51mAmerican Airlines

Deal found 12/15

$483

Wed 12/247:15 pmICN - IAD

2 stops32h 12mAmerican Airlines

Mon 2/164:40 pmIAD - ICN

2 stops34h 05mAmerican Airlines

Deal found 12/15

$483

Wed 12/247:15 pmICN - DCA

2 stops27h 30mAmerican Airlines

Mon 2/166:35 pmDCA - ICN

1 stop32h 10mAmerican Airlines

Deal found 12/15

$490

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 12/15

$521

Wed 12/249:00 amICN - DCA

2 stops27h 35mMultiple Airlines

Tue 2/178:40 pmDCA - ICN

1 stop31h 45mMultiple Airlines

Deal found 12/14

$528

Thu 12/2512:45 pmICN - BWI

1 stop23h 09mUnited Airlines

Sun 2/158:42 amBWI - ICN

1 stop30h 58mUnited Airlines

Deal found 12/14

$511

Thu 12/2512:45 pmICN - IAD

2 stops24h 38mUnited Airlines

Sat 2/1410:10 pmIAD - ICN

1 stop28h 05mUnited Airlines

Deal found 12/14

$511

Thu 12/256:00 pmICN - DCA

1 stop17h 43mUnited Airlines

Sat 2/145:50 pmDCA - ICN

1 stop21h 50mUnited Airlines

Deal found 12/14

$511

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

Fri 2/66:04 pmIAD - ICN

1 stop34h 31mHawaiian Airlines

Deal found 12/15

$541

One-way flights from South Korea to Washington, D.C.
Search for one-way flight options from South Korea to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Mon 1/266:55 pmICN - DCA

2 stops56h 07mMultiple Airlines

Deal found 12/16

$383

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 - BWI

2 stops27h 06mMultiple Airlines

Deal found 12/15

$410

Sun 2/89:20 pmICN - IAD

2 stops33h 08mMultiple Airlines

Deal found 12/15

$410

Sun 2/86:55 pmICN - DCA

3 stops55h 09mMultiple Airlines

Deal found 12/15

$416

Tue 1/209:20 pmICN - BWI

3 stops51h 07mMultiple Airlines

Deal found 12/16

$424

Sun 1/259:20 pmICN - BWI

2 stops27h 06mMultiple Airlines

Deal found 12/16

$427

Sat 2/79:20 pmICN - IAD

3 stops33h 13mMultiple Airlines

Deal found 12/15

$429

Fri 1/306:55 pmICN - IAD

3 stops53h 00mMultiple Airlines

Deal found 12/15

$433

Mon 1/266:55 pmICN - BWI

3 stops53h 32mMultiple Airlines

Deal found 12/16

$434

Find flight deals from South Korea to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$483 (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 South Korea to Washington, D.C. (WAS)

Search Deals

One-way flight from South Korea 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 South Korea to Washington, D.C. (WAS).

Search Deals

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

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Korea 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

Fri 12/26

12:45 pm-1:07 am

1 stop26h 22m

Washington, D.C. Dulles Intl

Mon 2/16

6:05 pm-5:40 am

1 stop21h 35m

$511

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 3/10

5:00 pm-5:20 pm

1 stop37h 20m

Baltimore/Washington

Mon 4/13

6:31 pm-4:20 am

1 stop20h 49m

$606

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 1/29

12:45 pm-5:26 pm

1 stop18h 41m

Baltimore/Washington

Thu 2/5

12:25 pm-4:15 pm

2 stops37h 50m

$606

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 2/19

12:45 pm-11:30 am

2 stops36h 45m

Baltimore/Washington

Tue 3/24

8:02 am-4:40 am

2 stops31h 38m

$606

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 3/3

6:00 pm-11:25 pm

2 stops19h 25m

Baltimore/Washington

Mon 4/6

12:40 pm-3:00 pm

2 stops37h 20m

$606

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

$606

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 2/19

12:45 pm-11:30 am

2 stops36h 45m

Baltimore/Washington

Mon 3/23

6:31 pm-4:40 am

1 stop21h 09m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

12:45 pm-11:22 pm

2 stops24h 37m

Washington, D.C. Dulles Intl

Thu 2/5

1:05 pm-5:40 am

2 stops26h 35m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 3/2

6:00 pm-8:48 pm

1 stop16h 48m

Washington, D.C. Dulles Intl

Wed 3/4

4:10 pm-5:40 am

1 stop23h 30m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 3/3

6:00 pm-8:48 pm

1 stop16h 48m

Washington, D.C. Dulles Intl

Thu 4/16

10:05 pm-3:00 pm

2 stops27h 55m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results

...

Best time to book a flight from South Korea to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from South Korea 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 South Korea to Washington, D.C.

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

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

It’s typically best to fly out from South Korea to Washington, D.C. at noon. Doing so could potentially save you 64% on the flight price compared to flying in the morning, which is usually more expensive.

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

Travelers seeking maximum savings on their South Korea to Washington, D.C. flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from South Korea to Washington, D.C.

The most flights from KR0 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 often are flights from South Korea to Washington, D.C. delayed?

About 19% of weekly flights between South Korea and Washington, D.C. have experienced delays in the past year, with the average delay time being 131 minutes.

What is the most punctual flight time for South Korea to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on South Korea to Washington, D.C. flights?

Over the last year, Korean Air have had the lowest number of delays on this route, with just 19% of flights being delayed.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Delta from South Korea to Washington, D.C. to help guide your decision. You can also see how each airline stacks up 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

8,008 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

10,531 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 South Korea to Washington, D.C.?
Airlines like United Airlines, ANA, and Philippine Airlines fly from South Korea to Washington, D.C. in about 26h 22m. The time it takes to get you to your destination can typically vary by up to 11h 27m. The distance from South Korea to Washington, D.C. is about 6939 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 to fly from South Korea to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from South Korea to Washington, D.C. are American Airlines ($440), United Airlines ($443), and Korean Air ($776).
What are the most popular routes from South Korea to Washington, D.C.?
While some choose either Incheon Intl - Baltimore/Washington or Incheon Intl - Washington, D.C. Reagan-National, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C..
What are the cheapest flights from South Korea to Washington, D.C.?
Looking for the cheapest flight from South Korea to Washington, D.C.? While on average our users pay $1,285, our data indicates the cheapest price to be $1,052. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $511.
Can I find deals for flights from South Korea to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on South Korea to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea 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 South Korea to Washington, D.C..
Can I find deals for business class flights from South Korea to Washington, D.C.?
Yes. Cheapflights offers flight deals from South Korea 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 South Korea to Washington, D.C.?
Currently, October is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $389). Flying from South Korea 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from South Korea 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 South Korea 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 1/26. 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 South Korea to Washington, D.C.

Cheapest flights from South Korea to Washington, D.C.Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from South Korea to Washington, D.C.

Keep the following information in mind while searching for South Korea to Washington, D.C. flight deals. Data was last updated December 16, 2025.

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Best time to book a flight from South Korea to Washington, D.C.

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

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

What is the cheapest time of day to fly from KR to WAS?

Find hourly flight availability from South Korea 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 16, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from South Korea to Washington, D.C.. Price data was last updated on December 16, 2024.

Weekly flight availability from South Korea to Washington, D.C.

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Which airline has the best punctuality record on South Korea to Washington, D.C. flights?

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Delta from South Korea to Washington, D.C. to help guide your decision. You can also see how each airline stacks up 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 South Korea 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 South Korea to Washington, D.C.?

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

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

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

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

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

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Top 5 airlines flying from South Korea to Washington, D.C.

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Cheapest flights from South Korea to Washington, D.C.
Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.