Dulles Intl

$409+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
May 4 — May 111
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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 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$811
(Kiwi.com)

One-way from

$409
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,191

Good round-trip deal

$1,440 or less

Good one-way deal

$1,085 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 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/284:40 pmICN - IAD
1 stop20h 19mMultiple Airlines
Wed 6/116:30 amIAD - ICN
1 stop21h 10mMultiple Airlines
Deal found 4/27$811
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:50 pmICN - IAD
2 stops30h 26mAir Canada
Fri 11/79:45 amIAD - ICN
1 stop18h 40mAir Canada
Deal found 4/28$883
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:25 pmICN - IAD
2 stops28h 13mAmerican Airlines
Wed 5/146:17 amIAD - ICN
1 stop20h 13mAmerican Airlines
Deal found 4/29$917
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/34:50 pmICN - IAD
1 stop35h 00mUnited Airlines
Tue 5/612:10 pmIAD - ICN
1 stop34h 20mUnited Airlines
Deal found 4/29$959
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Mon 10/67:55 pmGMP - IAD
1 stop27h 10mANA
Thu 10/1612:15 pmIAD - GMP
1 stop21h 05mANA
Deal found 4/28$1,033
This Air China deal was found by Cheapflights users on 4/28. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:45 pmPUS - IAD
1 stop19h 45mAir China
Tue 7/1511:00 pmIAD - PUS
1 stop23h 45mAir China
Deal found 4/28$1,154
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:00 amPUS - IAD
2 stops34h 40mMultiple Airlines
Fri 6/2011:00 amIAD - PUS
3 stops33h 05mMultiple Airlines
Deal found 4/29$1,215
This Japan Airlines deal was found by Cheapflights users on 4/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:55 amGMP - IAD
2 stops36h 48mJapan Airlines
Tue 5/206:30 amIAD - GMP
2 stops26h 20mJapan Airlines
Deal found 4/28$1,323
This Japan Airlines deal was found by Cheapflights users on 4/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:05 pmGMP - IAD
2 stops32h 31mMultiple Airlines
Tue 6/176:27 amIAD - GMP
2 stops26h 23mMultiple Airlines
Deal found 4/28$1,409
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/124:30 pmPUS - IAD
2 stops19h 49mDelta
Thu 6/197:40 amIAD - PUS
2 stops22h 55mDelta
Deal found 4/29$1,532
This Air France deal was found by Cheapflights users on 4/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:30 pmPUS - IAD
2 stops36h 05mKLM
Tue 7/155:25 pmIAD - PUS
2 stops37h 10mKLM
Deal found 4/28$1,562
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:35 amGMP - IAD
1 stop23h 55mAir China
Fri 1/1610:00 pmIAD - GMP
1 stop25h 05mAir China
Deal found 4/29$1,834

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 29, 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

Wed 5/28

4:40 pm-11:59 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Wed 6/11

6:30 am-4:40 pm

1 stop21h 10m

$811

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/15

5:45 pm-9:05 pm

2 stops40h 20m

Washington, D.C. Dulles Intl

Wed 10/22

9:45 am-4:05 pm

2 stops41h 20m

$899

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

5:25 pm-12:02 am

2 stops43h 37m

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-3:30 pm

2 stops43h 55m

$917

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

Mon 7/14

3:00 pm-3:00 pm

1 stop35h 00m

$961

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 10/6

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Thu 10/16

12:15 pm-10:20 pm

1 stop21h 05m

$1,033

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

8:31 pm-4:50 am

1 stop19h 19m

$1,104

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 7/1

12:45 pm-7:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Tue 7/15

11:00 pm-11:45 am

1 stop23h 45m

$1,154

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 6/13

10:00 am-7:40 am

2 stops34h 40m

Washington, D.C. Dulles Intl

Fri 6/20

11:00 am-9:05 am

3 stops33h 05m

$1,215

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 5/12

7:55 am-7:43 am

2 stops36h 48m

Washington, D.C. Dulles Intl

Tue 5/20

6:30 am-9:50 pm

2 stops26h 20m

$1,323

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 6/11

12:05 pm-7:36 am

2 stops32h 31m

Washington, D.C. Dulles Intl

Tue 6/17

6:27 am-9:50 pm

2 stops26h 23m

$1,409

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 29 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 $373). 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 29, 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 29, 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 29, 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.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
8.3
Very good

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
8.0
Very good

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 ($483), Air Canada ($585), and American Airlines ($586).

  • 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 $1,393 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 $822.

  • 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 $373). 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
Alexandria
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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$688Average$866FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$726Average$907FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$965Average$970FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,300Average$1,532FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,313Average$1,532FlexibilityNo cancel feeOn-timeN/A

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