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$1,268+ Cheap flights from Reagan-National (DCA) to Busan (PUS)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — PUS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Busan

Best flights from Reagan-National to Busan
Discover carefully curated flight deals from Reagan-National to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/11. 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.
Mon 3/96:59 pmDCA - PUS
2 stops57h 41mMultiple Airlines
Fri 3/133:45 pmPUS - DCA
2 stops39h 14mMultiple Airlines
Deal found 12/11$1,268
This Korean Air deal was found by Cheapflights users on 12/11. 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.
Sun 1/185:00 pmDCA - PUS
2 stops27h 50mKorean Air
Wed 1/2812:00 pmPUS - DCA
2 stops23h 34mKorean Air
Deal found 12/11$1,791
This Air Canada deal was found by Cheapflights users on 12/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/258:40 pmDCA - PUS
2 stops45h 30mMultiple Airlines
Sun 2/111:05 amPUS - DCA
2 stops25h 30mMultiple Airlines
Deal found 12/11$1,757

Find flight deals from Reagan-National to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,268
(Expedia)
Provider with most accurate pricing for Washington, D.C. Reagan-National-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Busan Gimhae flights.
Search Deals
From Washington, D.C. Reagan-National to Busan Gimhae
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Busan that are best for you.

Fly from

Reagan-National

Fly to

Busan

Route

Depart

Return

Price

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Mon 3/9

6:59 pm-5:40 pm

2 stops57h 41m

Busan Gimhae

Fri 3/13

3:45 pm-5:59 pm

2 stops39h 14m

$1,268

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 1/25

8:40 pm-8:10 am

2 stops45h 30m

Busan Gimhae

Sun 2/1

11:05 am-10:35 pm

2 stops25h 30m

$1,757

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 1/18

5:00 pm-10:50 am

2 stops27h 50m

Busan Gimhae

Wed 1/28

12:00 pm-9:34 pm

2 stops23h 34m

$1,791

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Reagan-National to Busan

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

Have a flexible travel schedule? Discover the best time to fly to Busan from Reagan-National 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 Reagan-National 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. Reagan-National?

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

  • How long is the flight from Washington, D.C. Reagan-National Airport to Busan?

    A quick flight from Washington, D.C. Reagan-National Airport to Busan can take about 27h 50m. Korean Air provides one of the quickest options available for as low as $1,791. The distance between Washington, D.C. Reagan-National Airport and Busan is about 7055 mi.

  • Can I find deals for flights from Reagan-National to Busan that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Busan?

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

  • Can I find deals for business class flights from Reagan-National to Busan?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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