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Cheap flights from Washington, D.C. Reagan-National Airport to Busan from $1,371

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Busan departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Busan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 10:50 am
DCA
-
PUS
36h 20m2 stops
Multiple Airlines Logo
11:50 am - 8:41 pm
PUS
-
DCA
45h 51m2 stops
$1,371Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
Multiple Airlines Logo
9:30 am - 7:00 pm
DCA
-
PUS
44h 30m2 stops
Multiple Airlines Logo
8:00 pm - 8:01 pm
PUS
-
DCA
37h 01m2 stops
$1,449Multiple Airlines
Wed, Apr 15 - Sat, Apr 25
Multiple Airlines Logo
12:55 pm - 8:55 am
DCA
-
PUS
30h 00m3 stops
Multiple Airlines Logo
11:05 am - 10:35 pm
PUS
-
DCA
25h 30m2 stops
$1,593Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
9:40 am - 11:35 am
DCA
-
PUS
35h 55m2 stops
Multiple Airlines Logo
11:05 am - 7:45 pm
PUS
-
DCA
22h 40m2 stops
$1,647Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Delta Logo
8:36 am - 7:35 pm
DCA
-
PUS
21h 59m2 stops
Delta Logo
4:30 pm - 11:46 pm
PUS
-
DCA
20h 16m2 stops
$1,886Delta
Fri, Mar 27 - Sat, Apr 11
Korean Air Logo
10:10 am - 8:45 pm
DCA
-
PUS
21h 35m2 stops
Korean Air Logo
4:30 pm - 11:39 pm
PUS
-
DCA
20h 09m2 stops
$1,891Korean Air
Sat, Mar 28 - Sat, Apr 4
Philippine Airlines Logo
4:59 pm - 7:55 pm
DCA
-
PUS
61h 56m2 stops
Philippine Airlines Logo
8:55 pm - 8:00 pm
PUS
-
DCA
36h 05m2 stops
$2,101Philippine Airlines
Thu, Mar 12 - Mon, Mar 16

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated December 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Wed 3/18

9:30 am-10:50 am

2 stops36h 20m

Busan Gimhae

Thu 3/26

11:50 am-8:41 pm

2 stops45h 51m

$1,371

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Wed 4/15

9:30 am-7:00 pm

2 stops44h 30m

Busan Gimhae

Sat 4/25

8:00 pm-8:01 pm

2 stops37h 01m

$1,449

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 1/23

12:55 pm-8:55 am

3 stops30h 00m

Busan Gimhae

Fri 1/30

11:05 am-10:35 pm

2 stops25h 30m

$1,593

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 1/23

9:40 am-11:35 am

2 stops35h 55m

Busan Gimhae

Fri 1/30

11:05 am-7:45 pm

2 stops22h 40m

$1,647

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 3/27

8:36 am-7:35 pm

2 stops21h 59m

Busan Gimhae

Sat 4/11

4:30 pm-11:46 pm

2 stops20h 16m

$1,886

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sat 3/28

10:10 am-8:45 pm

2 stops21h 35m

Busan Gimhae

Sat 4/4

4:30 pm-11:39 pm

2 stops20h 09m

$1,891

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Thu 3/12

4:59 pm-7:55 pm

2 stops61h 56m

Busan Gimhae

Mon 3/16

8:55 pm-8:00 pm

2 stops36h 05m

$2,101

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Busan from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Busan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Busan?

Our data shows that Thursday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,868. Flights from Washington, D.C. Reagan-National Airport to Busan on a Saturday will generally be more expensive and average around $2,265. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Busan?

At noon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Busan when you can find flight prices for as low as $1,947. Flying to Busan at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Busan, so prices are often more expensive at around $2,139 per ticket.

When to book flights from Washington, D.C. Reagan-National Airport to Busan

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Busan according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Busan (DCA to PUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Busan

Fastest flight time

36h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Busan takes 36h 20m
There are no direct flights from Washington, D.C. Reagan-National Airport to Busan. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Busan.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Busan Gimhae by plane?

    Washington, D.C. Reagan-National and Busan Gimhae are 7057.3 mi apart from one another. A reasonable flight in good conditions will take 36h 20m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Busan Gimhae Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Busan Gimhae Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Busan Gimhae Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Busan Gimhae Airport.

  • What documentation or ID do you need to fly to Busan Gimhae Airport?

    The required travel and health documents for your Busan Gimhae Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Busan Gimhae Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Busan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Busan for you.

Can I find flights from Washington, D.C. to Busan with flexible booking policies on momondo?

Flights from Washington, D.C. to Busan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Busan?

Once you have performed a search for Washington, D.C. to Busan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Busan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Busan from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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