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Dulles Intl

$398+ Cheap flights from South Korea to Dulles Intl (IAD)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheap flight deals from South Korea to Dulles Intl

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

This WhyPayMore deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/158:35 pmICN - IAD
1 stop34h 01mHawaiian Airlines
vie. 2/276:27 pmIAD - ICN
1 stop34h 08mHawaiian Airlines
Deal found 12/15$477
This Air Canada deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/156:55 pmICN - IAD
2 stops30h 28mAir Canada
vie. 2/2710:09 pmIAD - ICN
2 stops27h 51mAir Canada
Deal found 12/15$483
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:15 pmICN - IAD
1 stop35h 01mAmerican Airlines
lun. 2/164:40 pmIAD - ICN
2 stops34h 05mAmerican Airlines
Deal found 12/15$490
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:00 pmICN - IAD
2 stops25h 19mUnited Airlines
sáb. 2/141:20 pmIAD - ICN
2 stops26h 20mUnited Airlines
Deal found 12/14$511
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:00 pmICN - IAD
1 stop25h 22mUnited Airlines
sáb. 1/310:10 pmIAD - ICN
2 stops28h 05mUnited Airlines
Deal found 12/16$513
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:45 pmICN - IAD
1 stop22h 10mUnited Airlines
lun. 2/2310:10 pmIAD - ICN
1 stop28h 05mUnited Airlines
Deal found 12/16$520
This WhyPayMore deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:50 pmGMP - IAD
1 stop27h 20mANA
vie. 2/2711:10 amIAD - GMP
1 stop21h 20mANA
Deal found 12/15$1,006
This Air Canada deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:05 amPUS - IAD
2 stops23h 21mMultiple Airlines
jue. 1/110:06 pmIAD - PUS
2 stops44h 04mMultiple Airlines
Deal found 12/14$1,375
This KAYAK deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/237:50 pmGMP - IAD
1 stop27h 20mANA
mar. 2/1711:10 amIAD - GMP
1 stop21h 20mANA
Deal found 12/14$1,425
This ANA deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2312:25 pmGMP - IAD
1 stop34h 45mANA
mar. 1/611:10 amIAD - GMP
1 stop21h 20mANA
Deal found 12/16$1,437
This Expedia deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2912:25 pmGMP - IAD
1 stop34h 45mANA
jue. 1/11:00 pmIAD - GMP
2 stops32h 20mANA
Deal found 12/15$1,443
This Cheapflightsfares deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/237:50 pmGMP - IAD
1 stop27h 20mANA
vie. 1/21:00 pmIAD - GMP
2 stops32h 20mANA
Deal found 12/14$1,450

Find flight deals from South Korea to Dulles Intl

Keep the following information in mind while searching for South Korea to Dulles Intl flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$483
(American Airlines)

One-way from

$398
(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. Dulles Intl
Search Deals
One-way flight from South Korea to Washington, D.C. Dulles Intl
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. Dulles Intl.
Search Deals
Price to beat on a one-way flight from South Korea to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
Use the filters below to find and compare flights from South Korea to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

South Korea

Fly to

Dulles Intl

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 12/26

12:45 pm-1:07 am

1 stop26h 22m

Washington, D.C. Dulles Intl

lun. 2/16

6:05 pm-5:40 am

1 stop21h 35m

$511

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 1/29

12:45 pm-11:22 pm

2 stops24h 37m

Washington, D.C. Dulles Intl

jue. 2/5

1:05 pm-5:40 am

2 stops26h 35m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 3/2

6:00 pm-8:48 pm

1 stop16h 48m

Washington, D.C. Dulles Intl

mié. 3/4

4:10 pm-5:40 am

1 stop23h 30m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 3/3

6:00 pm-8:48 pm

1 stop16h 48m

Washington, D.C. Dulles Intl

jue. 4/16

10:05 pm-3:00 pm

2 stops27h 55m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 1/29

12:45 pm-8:54 pm

1 stop22h 09m

Washington, D.C. Dulles Intl

lun. 3/2

6:05 pm-5:40 am

1 stop21h 35m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 1/29

12:45 pm-5:32 am

1 stop30h 47m

Washington, D.C. Dulles Intl

vie. 2/6

8:15 am-5:40 am

2 stops31h 25m

$606

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 1/29

12:45 pm-12:59 am

1 stop26h 14m

Washington, D.C. Dulles Intl

jue. 2/12

10:10 pm-4:15 pm

1 stop28h 05m

$608

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 2/19

12:45 pm-7:24 pm

2 stops20h 39m

Washington, D.C. Dulles Intl

mar. 3/17

5:19 pm-4:40 am

2 stops22h 21m

$608

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 2/2

6:00 pm-8:54 pm

1 stop16h 54m

Washington, D.C. Dulles Intl

mar. 3/31

10:05 am-4:20 am

1 stop29h 15m

$616

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sáb. 1/31

6:00 pm-11:22 pm

2 stops19h 22m

Washington, D.C. Dulles Intl

dom. 3/8

10:30 pm-3:15 pm

2 stops27h 45m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 55 results
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Best time to book a flight from South Korea to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

Currently, November is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $439). Flying from South Korea to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $1,022). 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 IAD?

Find hourly flight availability from South Korea to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

One of the essential ways to save on airfare from South Korea to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 54% on airfare.

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

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

Travelers seeking maximum savings on their South Korea to Washington, D.C. Dulles Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons 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. Dulles Intl Airport

Explore weekly flight availability from South Korea to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 16, 2025.

The most flights from KR0 to IAD 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated diciembre 16, 2025.
Read through reviews of airlines operating flights from South Korea to Washington, D.C. Dulles Intl Airport, such as Korean Air, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!
Delta
7.9
Good
8,008 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!
United Airlines
7.4
Good
9,092 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!
American Airlines
7.2
Good
11,049 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!
Air Canada
7.1
Good
10,531 reviews
Korean Air
8.4
Very good
1,186 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!

Related info for your journey

Find useful and relevant information for your journey from South Korea to Dulles Intl. 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. Dulles Intl Airport?

    For as low as $1,283, United Airlines can have you in Washington, D.C. Dulles Intl Airport from South Korea in 19h 45m. South Korea and Washington, D.C. Dulles Intl Airport are separated by a distance of 7040 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from South Korea to Washington, D.C. Dulles Intl Airport are Breeze Airways ($34), United Airlines ($73), and Frontier ($80).

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

    While some choose either Seoul Gimpo Intl - Washington, D.C. Dulles Intl or Busan Gimhae - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from South Korea to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $1,285 for a flight from South Korea to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $1,052 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $511.

  • Can I find deals for flights from South Korea to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from South Korea to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Dulles Intl.

  • Can I find deals for business class flights from South Korea to Dulles Intl?

    Yes. Cheapflights offers flight deals from South Korea to Dulles Intl 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. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $439). Flying from South Korea to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $1,022). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
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

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Alternative routes for South Korea to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
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Hyderabad to Baltimore flights
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Singapore to Reagan-National flights
Bangalore to Dulles Intl flights
Singapore to Baltimore flights
Suvarnabhumi to Baltimore flights
Mumbai to Reagan-National flights
Narita to Dulles Intl flights
Mumbai to Baltimore flights
Islamabad to Dulles Intl flights
Kathmandu to Dulles Intl flights
Ahmedabad to Baltimore flights
Ahmedabad to Reagan-National flights
Manila to Dulles Intl flights
Soekarno-Hatta Intl to Reagan-National flights
Soekarno-Hatta Intl to Baltimore flights
New Delhi to Baltimore flights
Haneda to Baltimore flights
Ho Chi Minh City to Dulles Intl flights
Bangalore to Baltimore flights
Hongqiao Intl to Reagan-National flights
Soekarno-Hatta Intl to Dulles Intl flights
Bangalore to Reagan-National flights
Haneda to Reagan-National flights
Hongqiao Intl to Dulles Intl flights
Dhaka to Dulles Intl flights
Hongqiao Intl to Baltimore flights
Narita to Baltimore flights
Singapore to Dulles Intl flights
Islamabad to Reagan-National flights
Suvarnabhumi to Reagan-National flights

Top 5 airlines flying from South Korea to Dulles Intl

Discover the top 5 airlines that operate flights from South Korea to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$723FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$512Average$731FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$727Average$965FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,208Average$1,507FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,301Average$1,579FlexibilityNo cancel feeOn-timeN/A

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