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$643+ Cheap flights from Dulles Intl (IAD) to Busan (PUS)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Dulles Intl to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Busan (PUS). 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 July 3, 2025.

Round-trip from

$1,422
(oojo)

One-way from

$643
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,144
From Washington, D.C. Dulles Intl to Busan Gimhae
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One-way flight from Washington, D.C. Dulles Intl to Busan Gimhae
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Highest demand for flights based on searches. 2% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Busan

Cheapest flights from Dulles Intl to Busan
Explore the most affordable flight options available from Dulles Intl to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:43 amIAD - PUS
2 stops37h 07mChina Airlines
Sun 11/237:45 pmPUS - IAD
2 stops24h 10mChina Airlines
Deal found 6/30$1,234
This China Airlines deal was found by Cheapflights users on 7/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:59 pmIAD - PUS
2 stops24h 21mMultiple Airlines
Mon 9/18:00 pmPUS - IAD
2 stops24h 33mMultiple Airlines
Deal found 7/2$1,579
This Gotogate deal was found by Cheapflights users on 7/2. 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 8/181:30 pmIAD - PUS
1 stop18h 15mKorean Air
Mon 9/15:45 pmPUS - IAD
1 stop30h 10mKorean Air
Deal found 7/2$1,719
This Delta deal was found by Cheapflights users on 6/30. 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 11/137:50 pmIAD - PUS
2 stops29h 25mDelta
Sun 11/234:10 pmPUS - IAD
1 stop31h 40mDelta
Deal found 6/30$1,899

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Busan 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 July 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Busan that are best for you.

Fly from

Dulles Intl

Fly to

Busan

Route

Depart

Return

Price

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 8/16

6:13 pm-7:00 pm

2 stops35h 47m

Busan Gimhae

Sat 8/23

12:15 pm-7:32 am

2 stops32h 17m

$1,422

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 8/18

7:59 pm-9:20 am

2 stops24h 21m

Busan Gimhae

Mon 9/1

8:00 pm-7:33 am

2 stops24h 33m

$1,579

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 8/18

1:30 pm-8:45 pm

1 stop18h 15m

Busan Gimhae

Mon 9/1

5:45 pm-10:55 am

1 stop30h 10m

$1,719

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 8/13

12:50 pm-10:30 am

3 stops56h 40m

$643

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 8/13

1:30 pm-9:30 am

1 stop31h 00m

$1,052

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 9/30

6:09 pm-7:00 pm

2 stops35h 51m

$1,170

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 9/30

11:00 pm-11:45 am

1 stop23h 45m

$1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Dulles Intl to Busan

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

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. 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 Busan. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Korean Air, China Airlines, and Air China from Washington, D.C. Dulles Intl Airport to Busan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,101 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.3
Very good
744 reviews
Korean Air
8.4
Very good
1,101 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.2
Good
92 reviews
Korean Air
8.4
Very good
1,101 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

    For a flight from Washington, D.C. Dulles Intl to Busan, you will be flying into Gimhae. Busan Gimhae (PUS) is just 7.2 mi from the center of the city. Gimhae is the only Busan airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 1 airline has flights to Busan Gimhae from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Busan round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Busan is China Airlines. Our recent data shows that you can find tickets from as low as $1,422 on this airline. An additional option worth looking into is Korean Air, starting at $1,719.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Busan one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Busan are Korean Air ($1,052), China Airlines ($1,170), and Air China ($1,196).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Busan 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 Washington, D.C. Dulles Intl Airport to Busan?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Busan (average of $1,166). Flying from Washington, D.C. Dulles Intl Airport to Busan in December is currently the most expensive (average of $2,247). 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

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Top airline flying from Dulles Intl to Busan

Discover the top airline that operate flights from Dulles Intl to Busan. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,827Average$1,948FlexibilityNo cancel feeOn-time81%

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