Cheap flights from Washington, D.C. to Busan from $427

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. to Busan departing on 9/15. 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. to Busan (WAS-PUS)

Cheap round-trip flights

 Logo
5:35 am - 7:15 pmBWI-PUS
24h 40m2 stops
 Logo
7:35 am - 11:45 pmPUS-BWI
29h 10m3 stops
$1,217
Find Deal
Tue, Oct 7 - Tue, Oct 14
 Logo
5:35 am - 7:15 pmBWI-PUS
24h 40m2 stops
 Logo
7:35 am - 10:28 amPUS-BWI
39h 53m3 stops
$1,265
Find Deal
Mon, Oct 6 - Mon, Oct 13
 Logo
6:25 am - 7:45 amIAD-PUS
36h 20m2 stops
 Logo
8:45 am - 7:33 amPUS-IAD
35h 48m2 stops
$1,312
Find Deal
Mon, Oct 6 - Mon, Oct 13
Delta Logo
6:00 am - 7:35 pmBWI-PUS
24h 35m2 stops
Delta Logo
10:40 am - 8:43 pmPUS-BWI
23h 03m2 stops
$1,541Delta
Find Deal
Mon, Oct 6 - Mon, Oct 13
Delta Logo
9:00 am - 7:35 pmBWI-PUS
21h 35m2 stops
Delta Logo
7:00 am - 3:39 pmPUS-BWI
21h 39m2 stops
$1,591Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
Delta Logo
6:19 am - 7:25 pmBWI-PUS
23h 06m2 stops
Delta Logo
10:25 am - 12:11 amPUS-BWI
27h 46m2 stops
$1,641Delta
Find Deal
Mon, Feb 16 - Thu, Feb 19
Korean Air Logo
1:15 pm - 7:45 amIAD-PUS
29h 30m1 stop
Korean Air Logo
8:05 am - 10:55 amPUS-IAD
15h 50m1 stop
$1,717Korean Air
Find Deal
Tue, Oct 7 - Tue, Oct 14
Korean Air Logo
9:00 am - 6:20 pmBWI-PUS
44h 20m2 stops
Korean Air Logo
8:45 am - 12:41 amPUS-BWI
28h 56m2 stops
$1,772Korean Air
Find Deal
Wed, Oct 8 - Wed, Oct 15
Korean Air Logo
1:15 pm - 7:45 amIAD-PUS
29h 30m1 stop
Korean Air Logo
10:40 am - 10:55 amPUS-IAD
37h 15m1 stop
$1,792Korean Air
Find Deal
Mon, Oct 6 - Mon, Oct 13
Korean Air Logo
9:50 am - 7:35 pmIAD-PUS
20h 45m2 stops
Korean Air Logo
4:30 pm - 11:18 pmPUS-IAD
19h 48m2 stops
$1,798Korean Air
Find Deal
Tue, Oct 7 - Tue, Oct 14

Delta flights from Washington, D.C. to Busan

Our best Delta deals on Washington, D.C. to Busan flight tickets
Delta
Oct 6
BWI6:00 amBaltimore/Washington
24h 35m
2 stops
PUS7:35 pmBusan Gimhae
Oct 13
PUS10:40 amBusan Gimhae
23h 03m
2 stops
BWI8:43 pmBaltimore/Washington
Delta
Oct 7
BWI9:00 amBaltimore/Washington
21h 35m
2 stops
PUS7:35 pmBusan Gimhae
Oct 14
PUS7:00 amBusan Gimhae
21h 39m
2 stops
BWI3:39 pmBaltimore/Washington
Delta
Feb 16
BWI6:19 amBaltimore/Washington
23h 06m
2 stops
PUS7:25 pmBusan Gimhae
Feb 19
PUS10:25 amBusan Gimhae
27h 46m
2 stops
BWI12:11 amBaltimore/Washington

Korean Air flights from Washington, D.C. to Busan

Our best Korean Air deals on Washington, D.C. to Busan flight tickets
Korean Air
Oct 7
IAD1:15 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
PUS7:45 amBusan Gimhae
Oct 14
PUS8:05 amBusan Gimhae
15h 50m
1 stop
IAD10:55 amWashington, D.C. Dulles Intl
Korean Air
Oct 8
BWI9:00 amBaltimore/Washington
44h 20m
2 stops
PUS6:20 pmBusan Gimhae
Oct 15
PUS8:45 amBusan Gimhae
28h 56m
2 stops
BWI12:41 amBaltimore/Washington
Korean Air
Oct 6
IAD1:15 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
PUS7:45 amBusan Gimhae
Oct 13
PUS10:40 amBusan Gimhae
37h 15m
1 stop
IAD10:55 amWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Tue 10/7

5:35 am-7:15 pm

2 stops24h 40m

Busan Gimhae

Tue 10/14

7:35 am-11:45 pm

3 stops29h 10m

$1,217

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Mon 10/6

5:35 am-7:15 pm

2 stops24h 40m

Busan Gimhae

Mon 10/13

7:35 am-10:28 am

3 stops39h 53m

$1,265

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 10/6

6:25 am-7:45 am

2 stops36h 20m

Busan Gimhae

Mon 10/13

8:45 am-7:33 am

2 stops35h 48m

$1,312

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Mon 10/6

6:00 am-7:35 pm

2 stops24h 35m

Busan Gimhae

Mon 10/13

10:40 am-8:43 pm

2 stops23h 03m

$1,541

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Tue 10/7

9:00 am-7:35 pm

2 stops21h 35m

Busan Gimhae

Tue 10/14

7:00 am-3:39 pm

2 stops21h 39m

$1,591

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Mon 2/16

6:19 am-7:25 pm

2 stops23h 06m

Busan Gimhae

Thu 2/19

10:25 am-12:11 am

2 stops27h 46m

$1,641

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 10/7

1:15 pm-7:45 am

1 stop29h 30m

Busan Gimhae

Tue 10/14

8:05 am-10:55 am

1 stop15h 50m

$1,717

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Wed 10/8

9:00 am-6:20 pm

2 stops44h 20m

Busan Gimhae

Wed 10/15

8:45 am-12:41 am

2 stops28h 56m

$1,772

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 10/6

1:15 pm-7:45 am

1 stop29h 30m

Busan Gimhae

Mon 10/13

10:40 am-10:55 am

1 stop37h 15m

$1,792

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 10/7

9:50 am-7:35 pm

2 stops20h 45m

Busan Gimhae

Tue 10/14

4:30 pm-11:18 pm

2 stops19h 48m

$1,798

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. 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. 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. 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. to Busan

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Busan (WAS to PUS) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Busan. There are no popular flight routes from Washington, D.C. to Busan.
  • How far is Washington, D.C. to Busan Gimhae by plane?

    The distance between Washington, D.C. and Busan Gimhae is about 7053.9 mi. 20h 45m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Washington, D.C. to Busan Gimhae Airport?

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

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

    The travel and health documents required for your trip to Busan Gimhae Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Busan Gimhae Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. to Busan?

Best airlines flying from Washington, D.C. to Busan

Compare and see reviews for airlines that fly from Washington, D.C. to Busan with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $1,192Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
Air ChinaPriceFrom $1,364Free CancellationRating
7.3
95 reviews
Search Air China flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Busan from Washington, D.C..

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

All flight searches from Washington, D.C. to Busan on momondo can be filtered to show those which offer flexible booking policies.

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?

Of course. momondo tracks the price of Washington, D.C. to Busan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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