Dulles Intl

$342+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
Apr 29 — May 61
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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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$794
(Gotogate)

One-way from

$342
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$1,191

Good round-trip deal

$1,556 or less

Good one-way deal

$1,191 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
From South Korea to Washington, D.C. Dulles Intl
One-way flight from South Korea to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 23% potential increase in price ($344 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from South Korea to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from South Korea to Washington, D.C. Dulles Intl.

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 April 24, 2025.

This WhyPayMore deal was found by Cheapflights users on 4/23. 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.
Fri 11/76:50 pmICN - IAD
2 stops26h 45mAir Canada
Fri 11/219:45 amIAD - ICN
1 stop18h 40mAir Canada
Deal found 4/23$793
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/224:40 pmICN - IAD
1 stop20h 19mMultiple Airlines
Thu 6/56:30 amIAD - ICN
1 stop21h 10mMultiple Airlines
Deal found 4/23$867
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 9/195:25 pmICN - IAD
1 stop35h 53mAmerican Airlines
Wed 10/156:45 amIAD - ICN
1 stop19h 45mAmerican Airlines
Deal found 4/23$934
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 6/306:30 pmICN - IAD
1 stop34h 15mUnited Airlines
Thu 7/105:53 pmIAD - ICN
1 stop32h 07mUnited Airlines
Deal found 4/23$970
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Sun 10/267:50 pmGMP - IAD
1 stop27h 20mANA
Wed 10/2912:10 pmIAD - GMP
1 stop34h 10mANA
Deal found 4/23$1,044
This WhyPayMore deal was found by Cheapflights users on 4/23. 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.
Thu 5/1510:25 amICN - IAD
Nonstop13h 50mKorean Air
Tue 8/58:30 pmIAD - ICN
1 stop19h 20mKorean Air
Deal found 4/23$1,045
This Gotogate deal was found by Cheapflights users on 4/23. 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.
Tue 7/298:45 pmICN - IAD
1 stop34h 09mWestJet
Wed 8/136:45 pmIAD - ICN
1 stop35h 00mWestJet
Deal found 4/23$1,129
This Japan Airlines deal was found by Cheapflights users on 4/23. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:05 pmGMP - IAD
2 stops32h 38mJapan Airlines
Wed 6/116:30 amIAD - GMP
2 stops26h 20mJapan Airlines
Deal found 4/23$1,339
This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/82:15 pmPUS - IAD
2 stops30h 21mMultiple Airlines
Sun 6/156:13 pmIAD - PUS
2 stops36h 42mMultiple Airlines
Deal found 4/23$1,442
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 9/107:55 amGMP - IAD
2 stops27h 35mMultiple Airlines
Wed 11/266:35 amIAD - GMP
2 stops25h 45mMultiple Airlines
Deal found 4/23$1,476
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 6/2510:40 amPUS - IAD
2 stops32h 19mDelta
Sun 7/137:30 amIAD - PUS
2 stops24h 15mDelta
Deal found 4/23$1,547
This Gotogate deal was found by Cheapflights users on 4/22. 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.
Wed 4/304:30 pmPUS - IAD
1 stop31h 45mKorean Air
Fri 5/21:15 pmIAD - PUS
1 stop18h 30mKorean Air
Deal found 4/22$1,643

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 April 24, 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

Mon 10/13

7:05 pm-4:10 pm

1 stop34h 05m

Washington, D.C. Dulles Intl

Tue 10/21

9:45 am-4:05 pm

2 stops41h 20m

$794

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/22

4:40 pm-11:59 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Thu 6/5

6:30 am-4:40 pm

1 stop21h 10m

$867

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 9/19

5:25 pm-4:18 pm

1 stop35h 53m

Washington, D.C. Dulles Intl

Wed 10/15

6:45 am-3:30 pm

1 stop19h 45m

$934

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/30

6:30 pm-3:45 pm

1 stop34h 15m

Washington, D.C. Dulles Intl

Thu 7/10

5:53 pm-3:00 pm

1 stop32h 07m

$970

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

10:25 am-11:15 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Tue 8/5

8:30 pm-4:50 am

1 stop19h 20m

$1,045

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 7/29

8:45 pm-5:54 pm

1 stop34h 09m

Washington, D.C. Dulles Intl

Wed 8/13

6:45 pm-6:45 pm

1 stop35h 00m

$1,129

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sat 9/27

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 10/17

12:15 pm-10:20 pm

1 stop21h 05m

$1,142

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 5/12

12:05 pm-7:43 am

2 stops32h 38m

Washington, D.C. Dulles Intl

Wed 6/11

6:30 am-9:50 pm

2 stops26h 20m

$1,339

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Sun 6/8

2:15 pm-7:36 am

2 stops30h 21m

Washington, D.C. Dulles Intl

Sun 6/15

6:13 pm-7:55 pm

2 stops36h 42m

$1,442

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 9/10

7:55 am-10:30 pm

2 stops27h 35m

Washington, D.C. Dulles Intl

Wed 11/26

6:35 am-10:20 pm

2 stops25h 45m

$1,476

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 30 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, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $309). Flying from South Korea to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 April 24, 2025.

When flying from South Korea to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 24, 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).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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).

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 April 24, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan Airlines from South Korea to Washington, D.C. to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
8.3
Very good

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
8.0
Very good

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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.
  • 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 WestJet ($474), American Airlines ($594), and Air China ($658).

  • What are the most popular routes 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 $1,637 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 $828.

  • 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, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $309). Flying from South Korea to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 South Korea?

Book flights to South Korea if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Fairfax
Tysons
Springfield
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Gaithersburg
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Falls Church
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National Harbor
Oxon Hill

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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.

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$688Average$866FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$726Average$909FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$965Average$970FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,313Average$1,577FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,314Average$1,551FlexibilityNo cancel feeOn-time81%

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