HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$1,024+ Cheap flights from Busan (PUS) 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.
PUS — IAD
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Busan to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Busan to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,475
(Korean Air)

One-way from

$1,024
(Orbitz)
Provider with most accurate pricing for Busan Gimhae-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Busan Gimhae-Washington, D.C. Dulles Intl flights.
Search Deals
From Busan Gimhae to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Busan Gimhae to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Busan to Dulles Intl

Cheapest flights from Busan to Dulles Intl
Explore the most affordable flight options available from Busan to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This Korean Air deal was found by Cheapflights users on 1/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:10 pmPUS - IAD
2 stops21h 45mKorean Air
Mon 3/912:50 pmIAD - PUS
1 stop18h 55mKorean Air
Deal found 1/5$1,475
This Booking.com deal was found by Cheapflights users on 1/6. 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.
Fri 3/612:45 pmPUS - IAD
1 stop19h 45mMultiple Airlines
Thu 3/1212:33 pmIAD - PUS
2 stops34h 12mMultiple Airlines
Deal found 1/6$5,831
This Gotogate deal was found by Cheapflights users on 1/6. 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 3/67:00 amPUS - IAD
1 stop16h 50mKorean Air
Thu 3/1212:50 pmIAD - PUS
1 stop18h 55mKorean Air
Deal found 1/6$7,990

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan 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 January 6, 2026.
Use the filters below to find and compare flights from Busan to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Busan

Fly to

Dulles Intl

Route

Depart

Return

Price

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Thu 3/5

4:10 pm-11:55 pm

2 stops21h 45m

Washington, D.C. Dulles Intl

Mon 3/9

12:50 pm-8:45 pm

1 stop18h 55m

$1,475

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 3/6

12:45 pm-6:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Thu 3/12

12:33 pm-11:45 am

2 stops34h 12m

$5,831

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 3/6

7:00 am-9:50 am

1 stop16h 50m

Washington, D.C. Dulles Intl

Thu 3/12

12:50 pm-8:45 pm

1 stop18h 55m

$7,990

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Wed 2/18

7:20 am-9:21 pm

2 stops28h 01m

$1,024

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 2/17

12:00 pm-11:46 pm

2 stops25h 46m

$1,128

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Thu 2/19

4:10 pm-11:10 pm

2 stops21h 00m

$1,128

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Wed 2/18

7:55 am-9:50 am

1 stop15h 55m

$1,137

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Mon 2/16

4:10 pm-9:50 am

1 stop31h 40m

$1,137

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Sat 2/21

4:10 pm-11:34 pm

2 stops21h 24m

$1,195

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Sun 2/15

4:10 pm-9:50 am

1 stop31h 40m

$1,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 11 results
1
2

Compare providers for flights from Busan to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Busan to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Busan-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Busan-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Busan-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Busan-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Busan-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Busan to Dulles Intl

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

Related info for your journey

Find useful and relevant information for your journey from Busan 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 airport do you fly from for flights from Busan to Washington, D.C. Dulles Intl?

    Located just 7.2 mi from the city center, Busan Gimhae is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Busan. Booking flights from Gimhae (PUS) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Busan to Washington, D.C. Dulles Intl Airport?

    Airlines like Korean Air fly from Busan to Washington, D.C. Dulles Intl Airport in about 21h 45m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 7040 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Busan 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.

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
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Busan to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Incheon Intl to Baltimore flights
Incheon Intl to Reagan-National flights
Gimpo Intl to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.