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Dulles Intl

$1,250+ Cheap flights from Busan (PUS) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — IAD
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
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Cheap 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 February 22, 2026.

This Air China deal was found by Cheapflights users on 2/21. 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 4/712:45 pm
PUS
-
IAD
1 stop19h 45m
Air China
Tue 4/1411:00 pm
IAD
-
PUS
1 stop23h 45m
Air China
Deal found 2/21$1,250
This Korean Air deal was found by Cheapflights users on 2/18. 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 pm
PUS
-
IAD
2 stops21h 45m
Korean Air
Mon 3/912:50 pm
IAD
-
PUS
1 stop30h 20m
Korean Air
Deal found 2/18$1,427
This WhyPayMore deal was found by Cheapflights users on 2/20. 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.
Sat 2/217:55 am
PUS
-
IAD
1 stop15h 55m
Korean Air
Sun 4/261:15 pm
IAD
-
PUS
1 stop31h 15m
Korean Air
Deal found 2/20$1,435
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 2/217:00 am
PUS
-
IAD
2 stops30h 34m
Delta
Sun 4/266:00 am
IAD
-
PUS
2 stops25h 45m
Delta
Deal found 2/20$1,516

Find 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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,250
(Air China)
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
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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 February 22, 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-8:10 am

1 stop30h 20m

$1,427

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 4/7

8:00 am-3:35 pm

2 stops44h 35m

Washington, D.C. Dulles Intl

Tue 4/14

6:15 pm-8:45 pm

2 stops37h 30m

$1,540

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 4/7

4:30 pm-12:27 am

2 stops20h 57m

Washington, D.C. Dulles Intl

Tue 4/14

1:15 pm-8:45 pm

1 stop18h 30m

$1,716

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 3/6

7:50 pm-5:27 pm

3 stops35h 37m

$2,482

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Fri 3/27

7:40 am-5:40 am

2 stops35h 00m

$2,636

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

  • 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 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
Herndon
Hyattsville
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
Clinton
Towson

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