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Cheap flights from Washington, D.C. Reagan-National Airport to Busan from $490

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 12/7. 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 - 8:45 pmDCA-PUS
37h 45m2 stops
Multiple Airlines Logo
12:00 pm - 9:59 pmPUS-DCA
23h 59m2 stops
$1,304Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
9:59 am - 9:00 pmDCA-PUS
45h 01m2 stops
Multiple Airlines Logo
3:00 pm - 8:00 pmPUS-DCA
43h 00m2 stops
$1,562Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
China Eastern Logo
11:10 am - 4:50 pmDCA-PUS
39h 40m2 stops
China Eastern Logo
5:50 pm - 6:00 pmPUS-DCA
38h 10m2 stops
$1,735China Eastern
Find Deal
Wed, Nov 5 - Mon, Nov 10
Korean Air Logo
9:00 am - 8:45 pmDCA-PUS
22h 45m2 stops
Korean Air Logo
7:00 am - 4:59 pmPUS-DCA
22h 59m2 stops
$2,014Korean Air
Find Deal
Fri, Mar 27 - Sat, Apr 11
Philippine Airlines Logo
4:59 pm - 7:55 pmDCA-PUS
36h 56m2 stops
Philippine Airlines Logo
8:55 pm - 8:44 pmPUS-DCA
37h 49m2 stops
$2,033Philippine Airlines
Find Deal
Tue, Nov 4 - Mon, Nov 10
Korean Air Logo
8:40 pm - 8:10 amDCA-PUS
21h 30m2 stops
Korean Air Logo
4:10 pm - 10:41 pmPUS-DCA
20h 31m2 stops
$2,114Korean Air
Find Deal
Tue, Nov 4 - Wed, Nov 12
Philippine Airlines Logo
4:59 pm - 7:55 pmDCA-PUS
36h 56m2 stops
Philippine Airlines Logo
8:55 pm - 8:44 pmPUS-DCA
37h 49m2 stops
$2,123Philippine Airlines
Find Deal
Tue, Nov 4 - Mon, Nov 10
China Eastern Logo
11:10 am - 11:35 amDCA-PUS
34h 25m2 stops
China Eastern Logo
5:50 pm - 6:00 pmPUS-DCA
38h 10m2 stops
$2,208China Eastern
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Wed, Nov 5 - Mon, Nov 10
Delta Logo
10:00 am - 7:35 pmDCA-PUS
20h 35m2 stops
Delta Logo
7:00 am - 4:29 pmPUS-DCA
22h 29m2 stops
$2,388Delta
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Mon, Apr 20 - Thu, Apr 23
Delta Logo
6:59 am - 7:35 pmDCA-PUS
22h 36m2 stops
Delta Logo
7:00 am - 11:41 amPUS-DCA
18h 41m2 stops
$11,656Delta
Find Deal
Fri, Nov 7 - Wed, Nov 12

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

Our best Philippine Airlines deals on Washington, D.C. Reagan-National Airport to Busan flight tickets
Philippine Airlines
Nov 4
DCA4:59 pmWashington, D.C. Reagan-National
36h 56m
2 stops
PUS7:55 pmBusan Gimhae
Nov 10
PUS8:55 pmBusan Gimhae
37h 49m
2 stops
DCA8:44 pmWashington, D.C. Reagan-National
$2,033
Find similar
Philippine Airlines
Nov 4
DCA4:59 pmWashington, D.C. Reagan-National
36h 56m
2 stops
PUS7:55 pmBusan Gimhae
Nov 10
PUS8:55 pmBusan Gimhae
37h 49m
2 stops
DCA8:44 pmWashington, D.C. Reagan-National
$2,123
Find similar
Philippine Airlines
Apr 20
DCA5:30 pmWashington, D.C. Reagan-National
37h 15m
2 stops
PUS7:45 pmBusan Gimhae
Apr 23
PUS8:45 pmBusan Gimhae
37h 08m
2 stops
DCA8:53 pmWashington, D.C. Reagan-National
$2,186
Find similar

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
Mar 27
DCA9:00 amWashington, D.C. Reagan-National
22h 45m
2 stops
PUS8:45 pmBusan Gimhae
Apr 11
PUS7:00 amBusan Gimhae
22h 59m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$2,014
Find similar
Korean Air
Nov 4
DCA8:40 pmWashington, D.C. Reagan-National
21h 30m
2 stops
PUS8:10 amBusan Gimhae
Nov 12
PUS4:10 pmBusan Gimhae
20h 31m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
$2,114
Find similar
Korean Air
Nov 5
DCA8:59 amWashington, D.C. Reagan-National
21h 46m
2 stops
PUS8:45 pmBusan Gimhae
Nov 11
PUS7:00 amBusan Gimhae
19h 56m
2 stops
DCA12:56 pmWashington, D.C. Reagan-National
$2,394
Find similar

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 October 23, 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

Sat 12/6

5:00 pm-8:45 pm

2 stops37h 45m

Busan Gimhae

Sat 12/13

12:00 pm-9:59 pm

2 stops23h 59m

$1,304

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 12/5

9:59 am-9:00 pm

2 stops45h 01m

Busan Gimhae

Fri 12/12

3:00 pm-8:00 pm

2 stops43h 00m

$1,562

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Wed 11/5

11:10 am-4:50 pm

2 stops39h 40m

Busan Gimhae

Mon 11/10

5:50 pm-6:00 pm

2 stops38h 10m

$1,735

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 3/27

9:00 am-8:45 pm

2 stops22h 45m

Busan Gimhae

Sat 4/11

7:00 am-4:59 pm

2 stops22h 59m

$2,014

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 11/4

4:59 pm-7:55 pm

2 stops36h 56m

Busan Gimhae

Mon 11/10

8:55 pm-8:44 pm

2 stops37h 49m

$2,033

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 11/4

8:40 pm-8:10 am

2 stops21h 30m

Busan Gimhae

Wed 11/12

4:10 pm-10:41 pm

2 stops20h 31m

$2,114

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 11/4

4:59 pm-7:55 pm

2 stops36h 56m

Busan Gimhae

Mon 11/10

8:55 pm-8:44 pm

2 stops37h 49m

$2,123

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Wed 11/5

11:10 am-11:35 am

2 stops34h 25m

Busan Gimhae

Mon 11/10

5:50 pm-6:00 pm

2 stops38h 10m

$2,208

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Mon 4/20

10:00 am-7:35 pm

2 stops20h 35m

Busan Gimhae

Thu 4/23

7:00 am-4:29 pm

2 stops22h 29m

$2,388

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Fri 11/7

6:59 am-7:35 pm

2 stops22h 36m

Busan Gimhae

Wed 11/12

7:00 am-11:41 am

2 stops18h 41m

$11,656

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 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

Direct flights

None
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.
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  • 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 20h 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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