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

Airlines like Air Canada, ANA, and United Airlines fly from South Korea to Washington, D.C. in about 23h 49m. The time it takes to get you to your destination can typically vary by up to 5h 45m. The distance from South Korea to 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 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 AIR PREMIA ($420), American Airlines ($551), and United Airlines ($554).

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 - Washington, D.C. Reagan-National or Incheon Intl - Baltimore/Washington, 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 $2,131, our data indicates the cheapest price to be $728. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $1,074.

What are the most reliable airlines from South Korea to Washington, D.C.?

The top 3 most reliable airlines when flying from South Korea to Washington, D.C. are Delta (79%), Korean Air (79%) and AIR PREMIA (78%).

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.

$530+ Cheap Flights from South Korea to Washington, D.C.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Korea 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.

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

Cheapest

Best

Last-minute

One-way

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 September 12, 2026.

Wed 10/289:55 pm -

2 stops38h 48m

Sun 11/111:35 pm -

Nonstop15h 50m

Deal found 9/9

$991

Sun 10/257:45 pm -

2 stops47h 35m

Sun 11/111:35 pm -

Nonstop15h 50m

Deal found 9/9

$1,040

Tue 10/209:25 pm -

2 stops48h 46m

Mon 10/2612:35 am -

Nonstop15h 50m

Deal found 9/7

$1,045

Tue 9/2910:35 pm -

3 stops55h 43m

Wed 10/141:20 pm -

Nonstop15h 35m

Deal found 9/10

$1,074

Tue 10/205:45 pm -

2 stops30h 28m

Tue 10/271:19 pm -

2 stops37h 51m

Deal found 9/7

$1,076

Wed 10/285:55 pm -

2 stops29h 34m

Wed 11/48:45 pm -

2 stops30h 25m

Deal found 9/9

$1,090

Tue 10/65:45 pm -

2 stops28h 10m

Tue 10/208:40 pm -

2 stops30h 25m

Deal found 9/9

$1,095

Thu 10/155:45 pm -

2 stops30h 36m

Mon 10/1910:19 pm -

2 stops28h 46m

Deal found 9/9

$1,096

Mon 10/269:55 pm -

2 stops56h 17m

Mon 11/211:35 pm -

Nonstop15h 50m

Deal found 9/11

$1,101

Mon 10/57:20 am -

2 stops35h 12m

Mon 10/196:00 am -

2 stops35h 00m

Deal found 9/8

$1,103

Wed 10/285:55 pm -

2 stops29h 34m

Wed 11/118:45 pm -

1 stop31h 40m

Deal found 9/9

$1,112

Thu 10/225:45 pm -

2 stops28h 10m

Thu 10/296:59 am -

1 stop21h 26m

Deal found 9/7

$1,117

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 September 12, 2026.

Mon 10/57:20 am -

2 stops35h 12m

Mon 10/196:00 am -

2 stops35h 00m

Deal found 9/8

$1,103

Thu 10/225:45 pm -

2 stops28h 10m

Thu 10/296:59 am -

1 stop21h 26m

Deal found 9/7

$1,117

Wed 10/287:30 am -

2 stops51h 15m

Wed 11/45:05 pm -

2 stops36h 05m

Deal found 9/12

$1,131

Fri 10/164:50 pm -

1 stop19h 03m

Sun 10/257:00 am -

1 stop19h 25m

Deal found 9/8

$1,275

Wed 10/287:50 pm -

1 stop27h 20m

Wed 11/411:10 am -

1 stop21h 20m

Deal found 9/12

$1,283

Sat 10/2411:20 am -

1 stop23h 40m

Fri 10/301:15 am -

1 stop27h 25m

Deal found 9/9

$1,295

Thu 10/157:40 pm -

1 stop16h 43m

Sun 10/187:30 am -

1 stop20h 50m

Deal found 9/8

$1,316

Tue 9/298:00 am -

2 stops28h 10m

Wed 10/146:00 am -

2 stops26h 15m

Deal found 9/10

$1,390

Thu 12/3112:20 am -

1 stop29h 35m

Mon 1/48:05 pm -

1 stop31h 10m

Deal found 9/10

$1,618

Thu 12/1710:15 am -

Nonstop13h 35m

Tue 2/2311:50 am -

Nonstop15h 50m

Deal found 9/7

$1,757

Fri 10/2312:45 pm -

1 stop19h 45m

Fri 10/3011:00 pm -

1 stop23h 45m

Deal found 9/8

$1,900

Mon 10/267:30 am -

2 stops35h 02m

Mon 11/26:00 am -

2 stops34h 05m

Deal found 9/11

$1,134

Thu 12/176:55 pm -

2 stops41h 04m

Tue 2/2311:05 am -

2 stops40h 05m

Deal found 9/7

$1,138

Mon 12/286:00 pm -

1 stop20h 59m

Fri 1/17:39 pm -

1 stop20h 01m

Deal found 9/10

$1,276

Thu 12/176:55 pm -

2 stops35h 30m

Tue 2/239:55 am -

1 stop18h 30m

Deal found 9/7

$1,164

Thu 10/227:55 pm -

1 stop27h 10m

Thu 10/2912:15 pm -

1 stop33h 55m

Deal found 9/7

$1,316

Thu 10/227:00 pm -

1 stop23h 45m

Thu 10/297:00 am -

1 stop20h 20m

Deal found 9/7

$1,317

Tue 10/137:45 pm -

1 stop39h 15m

Sat 10/171:15 am -

1 stop28h 30m

Deal found 9/12

$1,356

Mon 11/212:45 pm -

1 stop18h 00m

Fri 11/67:00 am -

1 stop19h 25m

Deal found 9/8

$1,277

Fri 12/256:55 pm -

2 stops29h 34m

Sat 1/26:55 pm -

1 stop33h 30m

Deal found 9/9

$1,175

Wed 10/78:00 am -

2 stops37h 03m

Tue 10/136:59 am -

2 stops25h 16m

Deal found 9/11

$1,437

Tue 12/1512:20 pm -

1 stop34h 50m

Wed 12/238:15 am -

2 stops24h 15m

Deal found 9/10

$1,331

Fri 10/234:30 pm -

2 stops20h 29m

Fri 10/309:38 am -

2 stops22h 07m

Deal found 9/8

$1,335

Sun 10/115:15 pm -

1 stop17h 12m

Fri 10/166:45 am -

1 stop19h 35m

Deal found 9/12

$1,278

Wed 10/285:55 pm -

2 stops29h 34m

Wed 11/46:55 pm -

1 stop33h 30m

Deal found 9/12

$1,178

Thu 10/158:00 am -

2 stops37h 03m

Sun 10/2510:23 am -

2 stops22h 42m

Deal found 9/10

$1,448

Thu 10/1512:40 pm -

1 stop34h 25m

Sun 10/1812:15 pm -

1 stop21h 05m

Deal found 9/12

$1,352

Wed 10/144:50 pm -

1 stop19h 03m

Sun 10/188:20 pm -

1 stop30h 00m

Deal found 9/12

$1,278

Thu 10/228:00 am -

2 stops37h 03m

Thu 10/2910:13 am -

2 stops22h 52m

Deal found 9/7

$1,450

Thu 12/2410:15 am -

Nonstop13h 35m

Sun 1/311:50 am -

Nonstop15h 50m

Deal found 9/9

$1,773

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 September 12, 2026 and is based on user searches.

Tue 9/2910:35 pm -

3 stops55h 43m

Wed 10/141:20 pm -

Nonstop15h 35m

Deal found 9/10

$1,074

Mon 10/57:20 am -

2 stops35h 12m

Mon 10/196:00 am -

2 stops35h 00m

Deal found 9/8

$1,103

Tue 10/65:45 pm -

2 stops28h 10m

Tue 10/208:40 pm -

2 stops30h 25m

Deal found 9/9

$1,095

Thu 10/155:45 pm -

2 stops30h 36m

Mon 10/1910:19 pm -

2 stops28h 46m

Deal found 9/9

$1,096

Tue 10/209:25 pm -

2 stops48h 46m

Mon 10/2612:35 am -

Nonstop15h 50m

Deal found 9/7

$1,045

Tue 10/205:45 pm -

2 stops30h 28m

Tue 10/271:19 pm -

2 stops37h 51m

Deal found 9/7

$1,076

Thu 10/225:45 pm -

2 stops28h 10m

Thu 10/296:59 am -

1 stop21h 26m

Deal found 9/7

$1,117

Sun 10/257:45 pm -

2 stops47h 35m

Sun 11/111:35 pm -

Nonstop15h 50m

Deal found 9/9

$1,040

Mon 10/269:55 pm -

2 stops56h 17m

Mon 11/211:35 pm -

Nonstop15h 50m

Deal found 9/11

$1,101

Wed 10/289:55 pm -

2 stops38h 48m

Sun 11/111:35 pm -

Nonstop15h 50m

Deal found 9/9

$991

Wed 10/285:55 pm -

2 stops29h 34m

Wed 11/48:45 pm -

2 stops30h 25m

Deal found 9/9

$1,090

Wed 10/285:55 pm -

2 stops29h 34m

Wed 11/118:45 pm -

1 stop31h 40m

Deal found 9/9

$1,112

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 September 12, 2026.

Tue 10/279:55 pm -

2 stops48h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$530

Wed 11/119:55 pm -

3 stops39h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$534

Mon 10/59:25 pm -

2 stops56h 53m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$539

Wed 10/289:55 pm -

2 stops38h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$540

Tue 10/69:25 pm -

2 stops56h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$541

Mon 10/269:55 pm -

2 stops38h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$545

Thu 10/299:55 pm -

2 stops38h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$550

Tue 11/179:55 pm -

2 stops32h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$555

Tue 10/139:25 pm -

2 stops39h 56m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$562

Thu 10/229:25 pm -

2 stops56h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$565

Tue 10/139:25 pm -

2 stops40h 09m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/9

$566

Tue 10/69:25 pm -

2 stops37h 33m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$567

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$991 (Kiwi.com)
One-way from	$530 (Kiwi.com)
Popular in	March
Cheapest in	November
Average price	$842
Good round-trip deal	$1,230 or less
Good one-way deal	$836 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. 0% potential increase in price ($9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

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

Cheapest round-trip

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Sat 11/7

7:45 pm-4:47 pm

3 stops35h 02m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$627

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Thu 10/15

8:30 pm-9:45 pm

2 stops62h 15m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$654

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Thu 10/1

7:20 am-8:00 am

2 stops37h 40m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$654

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Wed 10/7

7:20 am-3:29 pm

2 stops45h 09m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$654

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Wed 10/7

7:20 am-5:32 am

2 stops35h 12m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$655

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Wed 11/18

7:30 am-10:29 pm

2 stops28h 59m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$655

IncheonWashington, D.C.

ICN Incheon Intl - DCA Washington, D.C. Reagan-National

ICNDCA

Incheon Intl

Tue 12/8

1:30 pm-8:04 am

2 stops32h 34m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$663

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Mon 11/23

7:30 am-5:40 am

2 stops36h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$664

IncheonWashington, D.C.

ICN Incheon Intl - IAD Washington, D.C. Dulles Intl

ICNIAD

Incheon Intl

Wed 11/11

7:30 am-5:38 am

2 stops36h 08m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$666

SeoulBaltimore

GMP Seoul Gimpo Intl - BWI Baltimore/Washington

GMPBWI

Seoul Gimpo Intl

Tue 10/6

5:05 pm-8:30 pm

3 stops40h 25m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

ICN-IAD

ICN-DCA

GMP-BWI

ICN-BWI

GMP-DCA

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.

KR0-WAS

ICN-IAD

ICN-DCA

GMP-BWI

ICN-BWI

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

Currently, November is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $509). Flying from South Korea to Washington, D.C. in January is currently the most expensive (average of $1,525). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Washington, D.C. as you normally would.

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

The most flights from KR0 to WAS are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, 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 11% of weekly flights between South Korea and Washington, D.C. have experienced delays in the past year, with the average delay time being 88 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, AIR PREMIA have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from South Korea to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air,AIR PREMIA, andAsiana Airlines 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

1,220 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

1,220 reviews

Korean Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

AIR PREMIA

8.1

Very good

106 reviews

Korean Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Asiana Airlines

8.1

Very good

561 reviews

Korean Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

10,212 reviews

Korean Air

8.4

Very good

1,220 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air Canada

7.1

Good

11,619 reviews

Korean Air

8.4

Very good

1,220 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 Air Canada, ANA, and United Airlines fly from South Korea to Washington, D.C. in about 23h 49m. The time it takes to get you to your destination can typically vary by up to 5h 45m. The distance from South Korea to 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 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 AIR PREMIA ($420), American Airlines ($551), and United Airlines ($554).
What are the most popular routes from South Korea to Washington, D.C.?
While some choose either Incheon Intl - Washington, D.C. Reagan-National or Incheon Intl - Baltimore/Washington, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C..
What are the most reliable airlines from South Korea to Washington, D.C.?
The top 3 most reliable airlines when flying from South Korea to Washington, D.C. are Delta (79%), Korean Air (79%) and AIR PREMIA (78%).
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 $2,131, our data indicates the cheapest price to be $728. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $1,074.
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, November is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $509). Flying from South Korea to Washington, D.C. in January is currently the most expensive (average of $1,525). 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

Owings Mills

Tysons

Lanham

Reston

Herndon

Rockville

Hyattsville

Fredericksburg

Woodbridge

Falls Church

Hanover

Laurel

Oxon Hill

Clinton

Hunt Valley

Silver Spring

Largo

Springfield

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Top destinations

Washington, D.C. flight routes

Top 4 airlines flying from South Korea to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$494	Average$876	FlexibilityNo cancel fee	On-time69%
AIR PREMIA	Cheapest$888	Average$1,171	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,257	Average$1,569	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,297	Average$1,950	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$530+ Cheap flights from South Korea 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 12, 2026.

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 September 12, 2026.

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 September 12, 2026.

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 September 12, 2026.

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 September 12, 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated September 12, 2026 and is based on user searches.

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 September 12, 2026.

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 September 12, 2026.

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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 September 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Washington, D.C. as you normally would.

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

The most flights from KR0 to WAS are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, 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 11% of weekly flights between South Korea and Washington, D.C. have experienced delays in the past year, with the average delay time being 88 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, AIR PREMIA have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The price you pay for your flight from South Korea to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air,AIR PREMIA, andAsiana Airlines 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

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 most reliable airlines 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.?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Korea to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from South Korea to Washington, D.C. by cabin class

Find flights from South Korea to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

South Korea and Washington, D.C. flights

Browse other South Korea and Washington, D.C. flight options. Last updated on September 12, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

South Korea to Washington, D.C. flights

Consider these flights traveling from South Korea to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

Top 4 airlines flying from South Korea to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart

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 September 12, 2026.

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 September 12, 2026.

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 September 12, 2026 and is based on user searches.

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 September 12, 2026.