HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$697+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PUS
2月 26 — 3月 51
水 2/26
水 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Busan 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 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 2月 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,365
(Expedia)

One-way from

$697
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,721
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Busan Gimhae flights.
Search Deals
From Washington, D.C. Dulles Intl to Busan Gimhae
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($317 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 2月 21, 2025.

This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 3/217:31 amIAD - PUS
2 stops46h 14mMultiple Airlines
金 3/2812:45 pmPUS - IAD
1 stop39h 25mMultiple Airlines
Deal found 2/19$1,365
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
月 4/75:47 pmIAD - PUS
2 stops28h 58mAir China
月 4/1412:45 pmPUS - IAD
1 stop39h 55mAir China
Deal found 2/20$1,450
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 3/2112:50 pmIAD - PUS
1 stop30h 20mKorean Air
日 3/3010:40 amPUS - IAD
1 stop37h 35mKorean Air
Deal found 2/20$1,885

Find flights from Dulles Intl to Busan within your budget

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 2月 21, 2025.

Fly from

Dulles Intl

Fly to

Busan

Route

Depart

Return

Price

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

金 3/21

7:31 am-6:45 pm

2 stops46h 14m

Busan Gimhae

金 3/28

12:45 pm-3:10 pm

1 stop39h 25m

$1,365

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

月 4/7

5:47 pm-11:45 am

2 stops28h 58m

Busan Gimhae

月 4/14

12:45 pm-3:40 pm

1 stop39h 55m

$1,450

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

金 3/21

12:50 pm-8:10 am

1 stop30h 20m

Busan Gimhae

日 3/30

10:40 am-11:15 am

1 stop37h 35m

$1,885

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

水 2/26

9:30 pm-8:05 am

3 stops44h 35m

$697

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

水 2/26

11:50 am-10:50 am

1 stop33h 00m

$1,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Busan 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 Washington, D.C. Dulles Intl Airport-Busan 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 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.

Travel insights for flights from Dulles Intl to Busan

Get recent, data-driven insights about flights from Dulles Intl to Busan including ideal travel times, pricing trends, and more.

Rainfall in Busan by month

Plan your trip to Busan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Busan ranges from 0.9 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Busan when rainfall is around 0.9 in.

Temperature in Busan by month

Plan your trip to Busan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Busan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 2月 21, 2025.
Korean Air
8.4
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Korean Air
8.4
Very good
1,037 reviews
Korean Air
8.4
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

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 Air China. Our recent data shows that you can find tickets from as low as $1,450 on this airline. An additional option worth looking into is Korean Air, starting at $1,885.

  • 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

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.

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 2月 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,827Average$1,915FlexibilityNo cancel feeOn-time81%
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.