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Dulles Intl

$522+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — IAD
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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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 October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,090
(Air China)

One-way from

$522
(Kiwi.com)
Provider with most accurate pricing for Busan Gimhae-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Busan Gimhae-Washington, D.C. Dulles Intl flights.
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From Busan Gimhae to Washington, D.C. Dulles Intl
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One-way flight from Busan Gimhae to Washington, D.C. Dulles Intl
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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 October 6, 2025.

This Air China deal was found by Cheapflights users on 10/4. 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.
Fri 11/2112:45 pmPUS - IAD
1 stop19h 45mAir China
Fri 12/510:00 pmIAD - PUS
1 stop23h 45mAir China
Deal found 10/4$1,090
This Trip.com deal was found by Cheapflights users on 10/4. 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.
Fri 11/215:50 pmPUS - IAD
2 stops29h 20mMultiple Airlines
Fri 12/511:10 amIAD - PUS
2 stops34h 25mMultiple Airlines
Deal found 10/4$1,155
This Delta deal was found by Cheapflights users on 10/4. 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.
Fri 11/214:10 pmPUS - IAD
2 stops33h 21mDelta
Fri 12/511:50 amIAD - PUS
1 stop17h 45mDelta
Deal found 10/4$1,247
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:30 pmPUS - IAD
1 stop27h 20mKorean Air
Mon 11/1011:50 amIAD - PUS
1 stop34h 45mKorean Air
Deal found 10/5$1,591
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:55 pmPUS - IAD
3 stops33h 45mMultiple Airlines
Mon 11/109:00 amIAD - PUS
2 stops36h 35mMultiple Airlines
Deal found 10/5$9,361

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 October 6, 2025.
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

Fri 11/21

12:45 pm-6:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Fri 12/5

10:00 pm-11:45 am

1 stop23h 45m

$1,090

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 11/21

5:50 pm-9:10 am

2 stops29h 20m

Washington, D.C. Dulles Intl

Fri 12/5

11:10 am-11:35 am

2 stops34h 25m

$1,155

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 11/21

4:10 pm-11:31 am

2 stops33h 21m

Washington, D.C. Dulles Intl

Fri 12/5

11:50 am-7:35 pm

1 stop17h 45m

$1,247

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Sat 11/8

8:30 pm-9:50 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 11/10

11:50 am-12:35 pm

1 stop34h 45m

$1,591

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Sat 11/8

6:55 pm-2:40 pm

3 stops33h 45m

Washington, D.C. Dulles Intl

Mon 11/10

9:00 am-11:35 am

2 stops36h 35m

$9,361

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Thu 10/30

7:30 pm-4:40 pm

2 stops58h 10m

$625

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Mon 12/29

5:50 pm-11:45 am

2 stops31h 55m

$852

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Mon 12/29

7:00 am-9:50 am

1 stop16h 50m

$1,150

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Thu 10/30

7:55 am-10:50 am

1 stop15h 55m

$1,427

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Busan-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 Air China, Delta, and Korean Air fly from Busan to Washington, D.C. Dulles Intl Airport in about 19h 45m. The time it takes to get you to your destination can typically vary by up to 13h 36m. Airlines will cover a distance of 7040 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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
Arlington
Tysons
Silver Spring
Springfield
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Rockville

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