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$498+ Cheap flights from Reagan-National (DCA) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — PUS
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
1 adult, Economy
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Cheap 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 septembre 11, 2025.

Round-trip from

$1,305
(Mytrip)

One-way from

$498
(Kiwi.com)

Popular in

December

Cheapest in

January
From Washington, D.C. Reagan-National to Busan Gimhae
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One-way flight from Washington, D.C. Reagan-National to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($63 potential savings vs. average RT price).
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Find flight deals from Reagan-National to Busan

Cheapest flights from Reagan-National to Busan
Explore the most affordable flight options available from Reagan-National to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/236:00 amDCA - PUS
2 stops24h 15mMultiple Airlines
jeu. 10/3011:05 amPUS - DCA
3 stops34h 50mMultiple Airlines
Deal found 9/9$1,305
This Expedia deal was found by Cheapflights users on 9/9. 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.
sam. 10/256:59 pmDCA - PUS
2 stops31h 11mMultiple Airlines
sam. 11/14:10 pmPUS - DCA
2 stops38h 43mMultiple Airlines
Deal found 9/9$1,323
This Expedia deal was found by Cheapflights users on 9/9. 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.
ven. 10/249:59 amDCA - PUS
2 stops34h 11mMultiple Airlines
ven. 10/3111:50 amPUS - DCA
2 stops45h 10mMultiple Airlines
Deal found 9/9$1,347

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 septembre 11, 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

jeu. 10/23

6:00 am-7:15 pm

2 stops24h 15m

Busan Gimhae

jeu. 10/30

11:05 am-8:55 am

3 stops34h 50m

$1,305

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

sam. 10/25

6:59 pm-3:10 pm

2 stops31h 11m

Busan Gimhae

sam. 11/1

4:10 pm-5:53 pm

2 stops38h 43m

$1,323

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

ven. 10/24

9:59 am-9:10 am

2 stops34h 11m

Busan Gimhae

ven. 10/31

11:50 am-8:00 pm

2 stops45h 10m

$1,347

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

lun. 9/29

6:00 pm-1:00 pm

3 stops54h 00m

$498

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

dim. 12/7

8:00 am-8:35 pm

3 stops46h 35m

$615

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

mer. 10/15

6:59 pm-4:35 pm

2 stops56h 36m

$670

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

lun. 10/20

6:31 pm-7:15 pm

3 stops35h 44m

$680

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

lun. 9/15

6:59 pm-7:00 pm

2 stops35h 01m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Busan?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Busan (average of $1,166). Flying from Washington, D.C. Reagan-National Airport to Busan in December is currently the most expensive (average of $2,244). 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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