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Dulles Intl

$327+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(Hanatour)

One-way from

$327
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$982

Good round-trip deal

$1,392 or less

Good one-way deal

$1,080 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
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From South Korea to Washington, D.C. Dulles Intl
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One-way flight from South Korea to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 17% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from South Korea to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from South Korea to Washington, D.C. Dulles Intl.
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Find 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 octubre 30, 2025.

This Hanatour deal was found by Cheapflights users on 10/28. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:55 pmICN - IAD
2 stops34h 51mAir Canada
mar. 11/184:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 10/28$359
This Kissandfly.com deal was found by Cheapflights users on 10/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:10 pmICN - IAD
1 stop38h 16mAir Canada
mié. 11/269:00 amIAD - ICN
2 stops42h 10mAir Canada
Deal found 10/30$362
This Hanatour deal was found by Cheapflights users on 10/29. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/228:10 pmICN - IAD
1 stop33h 36mAir Canada
sáb. 11/294:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 10/29$371
This WhyPayMore deal was found by Cheapflights users on 10/28. 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. 12/1512:25 pmGMP - IAD
1 stop34h 45mANA
vie. 2/2711:10 amIAD - GMP
1 stop21h 20mANA
Deal found 10/28$1,031
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/107:50 pmGMP - IAD
1 stop27h 20mANA
mié. 12/311:00 pmIAD - GMP
2 stops32h 20mANA
Deal found 10/29$1,058
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/317:20 amPUS - IAD
2 stops24h 24mAsiana Airlines
mar. 11/46:00 pmIAD - PUS
2 stops32h 25mAsiana Airlines
Deal found 10/30$1,082
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/243:50 pmGMP - IAD
2 stops18h 36mMultiple Airlines
lun. 1/129:00 amIAD - GMP
2 stops23h 30mMultiple Airlines
Deal found 10/30$1,095
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:45 amGMP - IAD
2 stops37h 42mANA
vie. 12/511:10 amIAD - GMP
1 stop34h 10mANA
Deal found 10/28$1,130
This ANA deal was found by Cheapflights users on 10/30. 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.
jue. 11/277:45 amGMP - IAD
2 stops24h 42mANA
jue. 12/411:10 amIAD - GMP
1 stop21h 20mANA
Deal found 10/30$1,214
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/612:00 pmPUS - IAD
2 stops41h 46mMultiple Airlines
mar. 11/114:30 pmIAD - PUS
2 stops49h 40mMultiple Airlines
Deal found 10/30$1,305
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/44:10 pmPUS - IAD
2 stops33h 29mDelta
jue. 12/1111:50 amIAD - PUS
1 stop30h 20mDelta
Deal found 10/30$1,354
This Rumbo deal was found by Cheapflights users on 10/28. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1312:25 pmGMP - IAD
1 stop34h 45mANA
mié. 11/2611:10 amIAD - GMP
1 stop34h 10mANA
Deal found 10/28$1,360

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 octubre 30, 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

8:35 pm-6:13 am

1 stop23h 38m

Washington, D.C. Dulles Intl

sáb. 1/17

6:04 pm-6:35 pm

1 stop34h 31m

$475

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 3/19

8:35 pm-5:49 am

1 stop22h 14m

Washington, D.C. Dulles Intl

sáb. 3/21

7:00 am-6:35 pm

1 stop22h 35m

$480

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 3/9

8:35 pm-5:55 am

1 stop22h 20m

Washington, D.C. Dulles Intl

sáb. 3/21

7:00 am-6:35 pm

1 stop22h 35m

$482

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 2/25

12:45 pm-5:18 am

2 stops30h 33m

Washington, D.C. Dulles Intl

jue. 4/2

10:06 pm-3:00 pm

2 stops27h 54m

$492

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 3/11

5:00 pm-8:48 pm

1 stop16h 48m

Washington, D.C. Dulles Intl

lun. 3/23

4:10 pm-4:40 am

1 stop23h 30m

$492

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sáb. 3/7

6:00 pm-12:25 am

1 stop20h 25m

Washington, D.C. Dulles Intl

mar. 3/24

12:40 pm-4:40 am

1 stop27h 00m

$492

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 3/10

11:45 am-11:55 pm

2 stops25h 10m

Washington, D.C. Dulles Intl

dom. 3/22

6:25 am-3:15 pm

1 stop19h 50m

$492

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sáb. 2/7

12:45 pm-4:30 pm

1 stop17h 45m

Washington, D.C. Dulles Intl

lun. 2/23

1:02 pm-5:40 am

2 stops26h 38m

$494

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 2/10

6:00 pm-5:21 am

2 stops25h 21m

Washington, D.C. Dulles Intl

jue. 2/26

6:05 pm-5:40 am

1 stop21h 35m

$494

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 2/17

12:45 pm-4:27 pm

1 stop17h 42m

Washington, D.C. Dulles Intl

lun. 3/9

2:15 pm-4:40 am

1 stop25h 25m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 48 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 octubre 30, 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.

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 octubre 30, 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
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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
7,993 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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
8,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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
11,030 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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
10,377 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Crew

8.7

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 $475, Alaska Airlines can have you in Washington, D.C. Dulles Intl Airport from South Korea in 23h 38m. South Korea and Washington, D.C. Dulles Intl Airport are separated by a distance of 6939 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,330 for a flight from South Korea to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $655 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $470.

  • 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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
Mumbai to Dulles Intl flights
Haneda to Dulles Intl flights
Suvarnabhumi to Dulles Intl flights
Mumbai to Baltimore flights
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Hyderabad to Dulles Intl flights
Hyderabad to Baltimore flights
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Haneda to Reagan-National flights
Hyderabad to Reagan-National flights
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Narita to Baltimore flights
Manila to Dulles Intl flights
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Suvarnabhumi to Baltimore flights
New Delhi to Reagan-National flights
Bangalore to Dulles Intl flights
Lahore to Dulles Intl flights
Haneda to Baltimore flights
Bangalore to Baltimore flights
Bangalore to Reagan-National flights
Suvarnabhumi to Reagan-National flights
New Delhi to Baltimore flights
Ahmedabad to Dulles Intl flights
Manila to Reagan-National flights
Kuala Lumpur Intl to Dulles Intl flights
Islamabad to Dulles Intl flights
Manila to Baltimore flights
Kansai Intl to Reagan-National flights
Kathmandu to Dulles Intl flights
Ahmedabad to Reagan-National flights
Kathmandu to Reagan-National flights
Karachi to Dulles Intl flights
Lahore to Reagan-National flights
Dhaka to Baltimore flights
Kansai Intl to Dulles Intl flights
Tbilisi to Dulles Intl flights
Tbilisi to Baltimore flights
Dhaka to Dulles Intl flights
Islamabad to Baltimore flights
Dhaka 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$964FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$519Average$740FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$873Average$965FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,208Average$1,504FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,303Average$1,576FlexibilityNo cancel feeOn-timeN/A

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