$667 Cheap Flights from Washington (DCA) to Busan (PUS)

View $667 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)

Cheap Flights from Washington to Busan (DCA-PUS)

Prices were available within the past 7 days and start at $667 for one-way flights and $1,102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Nov 3 - Mon, Nov 17
DCA
Washington
PUS
Busan
$1,102 Roundtrip, found 1 day ago
$1,102
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Mon, Nov 3 from Washington to Busan, returning Mon, Nov 17, priced at $1,102 found 1 day ago
Alaska Airlines
Mon, Feb 9 - Mon, Mar 2
DCA
Washington
PUS
Busan
$1,306 Roundtrip, found 10 hours ago
$1,306
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Mon, Feb 9 from Washington to Busan, returning Mon, Mar 2, priced at $1,306 found 10 hours ago
Alaska Airlines
Fri, May 1 - Fri, May 8
DCA
Washington
PUS
Busan
$1,311 Roundtrip, found 2 days ago
$1,311
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Washington to Busan, returning Fri, May 8, priced at $1,311 found 2 days ago
Alaska Airlines
Mon, Oct 27 - Thu, Oct 30
DCA
Washington
PUS
Busan
$1,319 Roundtrip, found 1 day ago
$1,319
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Washington to Busan, returning Thu, Oct 30, priced at $1,319 found 1 day ago
Alaska Airlines
Mon, Nov 17 - Mon, Dec 8
DCA
Washington
PUS
Busan
$1,322 Roundtrip, found 7 hours ago
$1,322
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, Nov 17 from Washington to Busan, returning Mon, Dec 8, priced at $1,322 found 7 hours ago
Alaska Airlines
Sun, Jan 18 - Mon, Feb 2
DCA
Washington
PUS
Busan
$1,325 Roundtrip, found 5 days ago
$1,325
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Jan 18 from Washington to Busan, returning Mon, Feb 2, priced at $1,325 found 5 days ago
Alaska Airlines
Sun, Jan 18 - Mon, Feb 2
DCA
Washington
PUS
Busan
$1,327 Roundtrip, found 5 days ago
$1,327
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Jan 18 from Washington to Busan, returning Mon, Feb 2, priced at $1,327 found 5 days ago
Alaska Airlines
Mon, Oct 27 - Thu, Oct 30
DCA
Washington
PUS
Busan
$1,334 Roundtrip, found 1 day ago
$1,334
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Washington to Busan, returning Thu, Oct 30, priced at $1,334 found 1 day ago
Korean Air
Mon, Nov 10 - Mon, Nov 17
DCA
Washington
PUS
Busan
$1,914 Roundtrip, found 1 day ago
$1,914
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Nov 10 from Washington to Busan, returning Mon, Nov 17, priced at $1,914 found 1 day ago
Delta
Mon, Dec 1 - Mon, Dec 8
DCA
Washington
PUS
Busan
$2,106 Roundtrip, found 15 hours ago
$2,106
Roundtrip
found 15 hours ago
Select Delta flight, departing Mon, Dec 1 from Washington to Busan, returning Mon, Dec 8, priced at $2,106 found 15 hours ago

Alternative airports near Busan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimhae PUS. Cheapest option available. Flights from $2,158
PUS
Gimhae
Cheapest
Flights from $2,158
Flights from Washington (DCA) to Busan (PUS)
Origin airport
Ronald Reagan Washington National
Destination airport
Gimhae
Airlines serving
China Eastern Airlines, Delta, Korean Air, Philippine Airlines
Roundtrip price
$1,101
Distance
7059 mi

Washington to Busan Flights

The cheapest times to fly from Washington to Busan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Busan are during the month of November. You can find some of the cheapest flights from Washington to Busan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Busan

Sunday is one of the best days to book for cheap flights from Washington to Busan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Busan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Busan in 2025. You can also book with separate airlines for your outbound and return journeys, from $667 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Busan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Busan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS) cost?
Get a cheap one-way flight from $667 or cheap return flight from $1,102 from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)?
The cheapest month to fly from DCA to PUS is November, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from DCA to PUS. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)?
You'll have to hop on a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DCA to PUS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)?
To arrive at Gimhae Airport (PUS) without delays, book a flight that takes off from Ronald Reagan Washington National Airport (DCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS) last-minute?
Holding off until right before your break to book a ticket from DCA to PUS generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a DCA to PUS flight and hotel package?
Opting for a DCA to PUS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Gimhae Airport (PUS)?
If you reserved your DCA to PUS flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.