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Cheap flights from Washington, D.C. Reagan-National Airport to Busan from $916

This is the cheapest one-way 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 6/21. 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
5:00 pm - 5:40 pm
DCA
-
PUS
34h 40m
2 stops
Multiple Airlines Logo
6:55 pm - 4:08 pm
PUS
-
DCA
35h 13m
2 stops
$1,837Multiple Airlines
Mon, Nov 2 - Thu, Dec 24
Korean Air Logo
5:00 pm - 7:45 am
DCA
-
PUS
25h 45m
2 stops
Korean Air Logo
10:40 am - 11:24 pm
PUS
-
DCA
25h 44m
2 stops
$2,027Korean Air
Sun, Sep 6 - Thu, Sep 10
Multiple Airlines Logo
9:59 am - 7:00 pm
DCA
-
PUS
44h 01m
2 stops
Multiple Airlines Logo
12:45 pm - 10:59 pm
PUS
-
DCA
47h 14m
2 stops
$2,132Multiple Airlines
Tue, Jun 16 - Mon, Jun 29
Multiple Airlines Logo
11:00 am - 9:10 am
DCA
-
PUS
33h 10m
3 stops
Multiple Airlines Logo
9:50 pm - 7:58 pm
PUS
-
DCA
35h 08m
3 stops
$2,171Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
11:00 am - 8:05 am
DCA
-
PUS
32h 05m
3 stops
Multiple Airlines Logo
11:00 am - 8:53 am
PUS
-
DCA
34h 53m
3 stops
$2,181Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
8:40 pm - 7:50 pm
DCA
-
PUS
34h 10m
2 stops
Multiple Airlines Logo
12:45 pm - 8:52 am
PUS
-
DCA
33h 07m
3 stops
$2,190Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
9:59 am - 6:00 pm
DCA
-
PUS
43h 01m
2 stops
Multiple Airlines Logo
7:10 pm - 8:00 pm
PUS
-
DCA
37h 50m
2 stops
$2,216Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
6:59 pm - 6:00 pm
DCA
-
PUS
34h 01m
2 stops
Multiple Airlines Logo
12:45 pm - 8:00 pm
PUS
-
DCA
44h 15m
2 stops
$2,220Multiple Airlines
Sun, Jun 28 - Sun, Jul 5
Multiple Airlines Logo
6:59 am - 7:00 am
DCA
-
PUS
35h 01m
3 stops
Multiple Airlines Logo
12:45 pm - 8:52 am
PUS
-
DCA
33h 07m
3 stops
$2,239Multiple Airlines
Sun, Jun 21 - Tue, Jun 30
Multiple Airlines Logo
6:55 pm - 7:50 pm
DCA
-
PUS
35h 55m
2 stops
Multiple Airlines Logo
7:30 am - 8:52 am
PUS
-
DCA
38h 22m
3 stops
$2,254Multiple Airlines
Fri, Jun 26 - Fri, Jul 3

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Busan flight tickets
Delta
Jun 23
DCA8:50 pmWashington, D.C. Reagan-National
23h 40m
2 stops
PUS9:30 amBusan Gimhae
Jun 30
PUS4:30 pmBusan Gimhae
19h 56m
2 stops
DCA11:26 pmWashington, D.C. Reagan-National
$2,542
Delta
Jun 21
DCA8:00 amWashington, D.C. Reagan-National
22h 35m
2 stops
PUS7:35 pmBusan Gimhae
Jul 1
PUS10:40 amBusan Gimhae
25h 46m
2 stops
DCA11:26 pmWashington, D.C. Reagan-National
$2,592
Delta
Jun 22
DCA8:00 amWashington, D.C. Reagan-National
21h 20m
2 stops
PUS6:20 pmBusan Gimhae
Jul 2
PUS8:00 amBusan Gimhae
23h 59m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
$2,632

Korean Air flights from Washington, D.C. Reagan-National Airport to Busan

Our best Korean Air deals on Washington, D.C. Reagan-National Airport to Busan flight tickets
Korean Air
Sep 6
DCA5:00 pmWashington, D.C. Reagan-National
25h 45m
2 stops
PUS7:45 amBusan Gimhae
Sep 10
PUS10:40 amBusan Gimhae
25h 44m
2 stops
DCA11:24 pmWashington, D.C. Reagan-National
$2,027
Korean Air
Jun 28
DCA7:35 pmWashington, D.C. Reagan-National
23h 10m
2 stops
PUS7:45 amBusan Gimhae
Jul 5
PUS6:30 pmBusan Gimhae
35h 29m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$2,462
Korean Air
Jun 20
DCA8:00 amWashington, D.C. Reagan-National
23h 45m
2 stops
PUS8:45 pmBusan Gimhae
Jul 1
PUS10:40 amBusan Gimhae
25h 46m
2 stops
DCA11:26 pmWashington, D.C. Reagan-National
$2,677

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 May 14, 2026.
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

Cheapest round-trip

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Mon 11/2

5:00 pm-5:40 pm

2 stops34h 40m

Busan Gimhae

Thu 12/24

6:55 pm-4:08 pm

2 stops35h 13m

$1,837
Quickest round-trip

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 9/6

5:00 pm-7:45 am

2 stops25h 45m

Busan Gimhae

Thu 9/10

10:40 am-11:24 pm

2 stops25h 44m

$2,027

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 6/16

9:59 am-7:00 pm

2 stops44h 01m

Busan Gimhae

Mon 6/29

12:45 pm-10:59 pm

2 stops47h 14m

$2,132

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 6/9

11:00 am-9:10 am

3 stops33h 10m

Busan Gimhae

Tue 6/16

9:50 pm-7:58 pm

3 stops35h 08m

$2,171

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 6/9

11:00 am-8:05 am

3 stops32h 05m

Busan Gimhae

Tue 6/16

11:00 am-8:53 am

3 stops34h 53m

$2,181

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 6/21

8:40 pm-7:50 pm

2 stops34h 10m

Busan Gimhae

Tue 6/30

12:45 pm-8:52 am

3 stops33h 07m

$2,190

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 6/9

9:59 am-6:00 pm

2 stops43h 01m

Busan Gimhae

Tue 6/16

7:10 pm-8:00 pm

2 stops37h 50m

$2,216

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 6/28

6:59 pm-6:00 pm

2 stops34h 01m

Busan Gimhae

Sun 7/5

12:45 pm-8:00 pm

2 stops44h 15m

$2,220

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sun 6/21

6:59 am-7:00 am

3 stops35h 01m

Busan Gimhae

Tue 6/30

12:45 pm-8:52 am

3 stops33h 07m

$2,239

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 6/26

6:55 pm-7:50 pm

2 stops35h 55m

Busan Gimhae

Fri 7/3

7:30 am-8:52 am

3 stops38h 22m

$2,254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Washington, D.C. Reagan-National to Busan Gimhae?

China Airlines and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to Busan Gimhae

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

21h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Busan takes 21h 35m
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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Busan

  • 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 21h 35m.

  • 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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