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 Canada ($406), WestJet ($498), and Japan Airlines ($566).

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 Seoul Gimpo Intl - Washington, D.C. Dulles Intl 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 popular airlines that fly from South Korea to Washington, D.C.?

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

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from South Korea in February are about $1,025 on average during February, but can be found for as low as $748.

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.

$375+ Flights from South Korea to Washington, D.C.

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

Round-trip from	$490 (Trip.com)
One-way from	$375 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$1,216
Good round-trip deal	$1,318 or less

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. 9% potential increase in price ($112 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

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Find 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 julio 30, 2025.

vie. 9/126:00 pmICN - DCA

1 stop29h 20mAir Canada

mié. 9/244:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 7/29

$490

vie. 9/126:00 pmICN - IAD

2 stops30h 45mAir Canada

jue. 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Deal found 7/29

$520

mié. 8/274:50 pmICN - IAD

1 stop39h 02mUnited Airlines

vie. 8/2912:20 pmIAD - ICN

1 stop38h 30mUnited Airlines

Deal found 7/30

$630

vie. 9/126:00 pmICN - BWI

3 stops34h 25mMultiple Airlines

mié. 9/244:27 pmBWI - ICN

3 stops34h 48mMultiple Airlines

Deal found 7/29

$686

jue. 8/286:40 pmICN - BWI

1 stop18h 07mDelta

jue. 9/47:15 amBWI - ICN

1 stop19h 05mDelta

Deal found 7/30

$778

lun. 11/38:35 pmICN - DCA

1 stop35h 23mAlaska Airlines

mié. 11/126:58 pmDCA - ICN

2 stops33h 37mAlaska Airlines

Deal found 7/30

$780

mié. 9/1711:30 amICN - BWI

2 stops20h 42mUnited Airlines

mar. 9/2310:51 amBWI - ICN

2 stops28h 29mUnited Airlines

Deal found 7/30

$791

lun. 10/66:50 pmICN - BWI

1 stop18h 51mKorean Air

mar. 10/149:00 amBWI - ICN

1 stop19h 25mKorean Air

Deal found 7/29

$806

vie. 8/228:55 pmICN - BWI

1 stop21h 53mAsiana Airlines

dom. 9/217:37 pmBWI - ICN

1 stop33h 18mAsiana Airlines

Deal found 7/29

$850

sáb. 11/86:50 pmICN - BWI

1 stop37h 23mAmerican Airlines

vie. 11/216:02 amBWI - ICN

1 stop20h 43mAmerican Airlines

Deal found 7/30

$900

mié. 9/107:55 pmGMP - IAD

1 stop27h 10mANA

vie. 12/511:05 amIAD - GMP

1 stop21h 25mANA

Deal found 7/30

$968

sáb. 9/207:55 amGMP - DCA

2 stops19h 25mMultiple Airlines

sáb. 9/2710:45 pmDCA - GMP

2 stops23h 00mMultiple Airlines

Deal found 7/30

$991

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 julio 30, 2025.

vie. 9/126:00 pmICN - DCA

1 stop29h 20mAir Canada

mié. 9/244:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 7/29

$490

mié. 8/274:50 pmICN - IAD

1 stop39h 02mUnited Airlines

vie. 8/2912:20 pmIAD - ICN

1 stop38h 30mUnited Airlines

Deal found 7/30

$630

vie. 9/126:00 pmICN - BWI

3 stops34h 25mMultiple Airlines

mié. 9/244:27 pmBWI - ICN

3 stops34h 48mMultiple Airlines

Deal found 7/29

$686

jue. 8/286:40 pmICN - BWI

1 stop18h 07mDelta

jue. 9/47:15 amBWI - ICN

1 stop19h 05mDelta

Deal found 7/30

$778

lun. 11/38:35 pmICN - DCA

2 stops35h 23mAlaska Airlines

mié. 11/126:58 pmDCA - ICN

2 stops33h 37mAlaska Airlines

Deal found 7/30

$780

lun. 10/66:50 pmICN - BWI

1 stop18h 51mKorean Air

mar. 10/149:00 amBWI - ICN

1 stop19h 25mKorean Air

Deal found 7/29

$806

vie. 8/228:55 pmICN - BWI

1 stop21h 53mAsiana Airlines

dom. 9/217:37 pmBWI - ICN

1 stop33h 18mAsiana Airlines

Deal found 7/29

$850

mié. 9/107:55 pmGMP - IAD

1 stop27h 10mANA

vie. 12/511:05 amIAD - GMP

1 stop21h 25mANA

Deal found 7/30

$968

vie. 9/126:00 pmICN - IAD

2 stops30h 45mAir Canada

jue. 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Deal found 7/29

$520

mar. 10/2112:45 pmPUS - IAD

1 stop19h 45mAir China

vie. 10/2411:00 pmIAD - PUS

1 stop23h 45mAir China

Deal found 7/28

$1,043

jue. 9/187:55 amGMP - DCA

2 stops19h 29mJapan Airlines

mar. 9/239:59 amDCA - GMP

2 stops22h 51mJapan Airlines

Deal found 7/30

$1,132

mié. 9/38:45 amPUS - IAD

2 stops43h 50mKLM

mié. 9/106:30 pmIAD - PUS

2 stops37h 15mKLM

Deal found 7/27

$1,541

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 julio 30, 2025 and is based on user searches.

vie. 8/14:50 pmICN - DCA

1 stop17h 37mUnited Airlines

mié. 8/2711:00 amDCA - ICN

2 stops28h 20mUnited Airlines

Deal found 7/30

$960

lun. 8/49:00 amICN - IAD

1 stop19h 45mUnited Airlines

mar. 8/53:00 pmIAD - ICN

1 stop35h 00mUnited Airlines

Deal found 7/30

$629

lun. 8/411:30 amICN - BWI

1 stop33h 13mUnited Airlines

lun. 8/186:42 amBWI - ICN

1 stop19h 18mUnited Airlines

Deal found 7/29

$1,108

lun. 8/49:25 pmICN - IAD

2 stops34h 34mAlaska Airlines

jue. 8/147:59 pmIAD - ICN

3 stops34h 01mAlaska Airlines

Deal found 7/29

$1,277

lun. 8/49:25 pmICN - BWI

2 stops33h 45mAlaska Airlines

lun. 8/187:10 pmBWI - ICN

3 stops34h 50mAlaska Airlines

Deal found 7/29

$1,436

mar. 8/57:40 pmICN - BWI

1 stop23h 08mDelta

dom. 8/107:10 amBWI - ICN

1 stop19h 10mDelta

Deal found 7/30

$1,066

mar. 8/54:50 pmICN - DCA

1 stop17h 37mUnited Airlines

lun. 8/117:00 amDCA - ICN

1 stop19h 00mUnited Airlines

Deal found 7/30

$1,171

mié. 8/66:50 pmICN - BWI

1 stop19h 04mKorean Air

mié. 8/275:40 amBWI - ICN

1 stop19h 30mKorean Air

Deal found 7/29

$1,155

jue. 8/77:55 amGMP - IAD

2 stops27h 49mMultiple Airlines

mar. 8/126:27 amIAD - GMP

2 stops39h 18mMultiple Airlines

Deal found 7/30

$1,444

jue. 8/77:55 amGMP - IAD

2 stops36h 32mJapan Airlines

dom. 8/106:30 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 7/30

$1,485

vie. 8/85:45 pmICN - IAD

1 stop25h 36mAir Canada

mié. 10/225:37 pmIAD - ICN

1 stop33h 38mAir Canada

Deal found 7/29

$948

vie. 8/86:00 pmICN - DCA

1 stop16h 48mAir Canada

lun. 8/119:40 amDCA - ICN

1 stop17h 35mAir Canada

Deal found 7/30

$1,151

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 julio 30, 2025.

mar. 9/212:45 pmICN - BWI

1 stop31h 09mMultiple Airlines

Deal found 7/29

$375

vie. 9/126:00 pmICN - IAD

1 stop30h 13mAir Canada

Deal found 7/29

$406

mié. 9/106:00 pmICN - DCA

1 stop29h 20mAir Canada

Deal found 7/30

$416

lun. 9/296:20 pmICN - IAD

2 stops43h 03mMultiple Airlines

Deal found 7/29

$459

mar. 8/266:55 pmGMP - BWI

3 stops48h 59mMultiple Airlines

Deal found 7/29

$499

mar. 9/212:45 pmICN - DCA

3 stops46h 14mMultiple Airlines

Deal found 7/30

$510

dom. 10/128:45 pmICN - IAD

1 stop34h 05mWestJet

Deal found 7/29

$521

mié. 9/107:55 amGMP - BWI

2 stops22h 55mJapan Airlines

Deal found 7/29

$566

mié. 9/107:55 amGMP - DCA

2 stops19h 29mJapan Airlines

Deal found 7/29

$566

mié. 9/107:55 amGMP - IAD

2 stops36h 38mJapan Airlines

Deal found 7/29

$594

mar. 8/266:55 pmGMP - DCA

3 stops39h 04mMultiple Airlines

Deal found 7/29

$599

mié. 9/107:55 amGMP - IAD

2 stops21h 55mMultiple Airlines

Deal found 7/30

$620

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 - DCA

ICNDCA

Incheon Intl

vie. 9/12

6:00 pm-10:20 am

1 stop29h 20m

Washington, D.C. Reagan-National

mié. 9/24

4:35 pm-4:15 pm

1 stop34h 40m

$490

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 9/12

6:00 pm-11:45 am

2 stops30h 45m

Washington, D.C. Dulles Intl

jue. 9/25

9:35 am-4:15 pm

1 stop17h 40m

$520

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 8/27

4:50 pm-6:52 pm

1 stop39h 02m

Washington, D.C. Dulles Intl

vie. 8/29

12:20 pm-3:50 pm

1 stop38h 30m

$630

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

vie. 9/12

6:00 pm-3:25 pm

3 stops34h 25m

Baltimore/Washington

mié. 9/24

4:27 pm-4:15 pm

3 stops34h 48m

$686

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

jue. 8/28

6:40 pm-11:47 pm

1 stop18h 07m

Baltimore/Washington

jue. 9/4

7:15 am-3:20 pm

1 stop19h 05m

$778

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

lun. 11/3

8:35 pm-5:58 pm

2 stops35h 23m

Washington, D.C. Reagan-National

mié. 11/12

6:58 pm-6:35 pm

2 stops33h 37m

$780

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mié. 9/17

11:30 am-7:12 pm

2 stops20h 42m

Baltimore/Washington

mar. 9/23

10:51 am-4:20 am

2 stops28h 29m

$791

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

lun. 10/6

6:50 pm-12:41 am

1 stop18h 51m

Baltimore/Washington

mar. 10/14

9:00 am-5:25 pm

1 stop19h 25m

$806

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

lun. 12/22

12:45 pm-9:13 pm

1 stop22h 28m

Washington, D.C. Reagan-National

lun. 1/5

6:00 pm-5:40 am

1 stop21h 40m

$845

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

vie. 8/22

8:55 pm-5:48 am

1 stop21h 53m

Baltimore/Washington

dom. 9/21

7:37 pm-5:55 pm

1 stop33h 18m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 41 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, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $241). Flying from South Korea to Washington, D.C. in March is currently the most expensive (average of $290). 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 (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with EVA Air, Korean Air, and ANA 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.

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,222 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,121 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very good

922 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,536 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Asiana Airlines

8.2

Very good

467 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

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 Canada ($406), WestJet ($498), and Japan Airlines ($566).
What are the most popular routes from South Korea to Washington, D.C.?
While some choose either Seoul Gimpo Intl - Washington, D.C. Dulles Intl or Incheon Intl - Baltimore/Washington, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route 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.
What is the cheapest month to book a flight from South Korea to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $241). Flying from South Korea to Washington, D.C. in March is currently the most expensive (average of $290). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

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$688	Average$831	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$688	Average$980	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$724	Average$825	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$882	Average$1,543	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,127	Average$1,403	FlexibilityNo cancel fee	On-time81%

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$375+ 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 9/2. 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

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Cheap 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 julio 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find 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 julio 30, 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 julio 30, 2025.

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

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 julio 30, 2025.

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

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with EVA Air, Korean Air, and ANA 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.

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.?

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

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

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

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 julio 30, 2025.