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Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $596

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. Dulles Intl Airport to Busan departing on 5/10. 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. Dulles Intl Airport to Busan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:27 pm - 10:50 am
IAD
-
PUS
26h 23m
2 stops
Multiple Airlines Logo
11:50 am - 5:40 am
PUS
-
IAD
30h 50m
2 stops
$1,322Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
6:27 pm - 10:50 am
IAD
-
PUS
26h 23m
2 stops
Multiple Airlines Logo
11:50 am - 5:40 am
PUS
-
IAD
30h 50m
2 stops
$1,323Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
6:27 pm - 8:45 pm
IAD
-
PUS
36h 18m
2 stops
Multiple Airlines Logo
2:50 pm - 5:40 am
PUS
-
IAD
27h 50m
2 stops
$1,329Multiple Airlines
Fri, Mar 6 - Fri, Mar 13
Multiple Airlines Logo
9:15 pm - 9:00 pm
IAD
-
PUS
33h 45m
2 stops
Multiple Airlines Logo
3:00 pm - 11:45 am
PUS
-
IAD
34h 45m
2 stops
$1,369Multiple Airlines
Sat, Feb 14 - Thu, Mar 5
Multiple Airlines Logo
9:15 pm - 8:35 pm
IAD
-
PUS
33h 20m
2 stops
Multiple Airlines Logo
12:45 pm - 6:30 pm
PUS
-
IAD
19h 45m
1 stop
$1,407Multiple Airlines
Sat, Feb 14 - Fri, Mar 6
Multiple Airlines Logo
9:45 am - 10:00 pm
IAD
-
PUS
22h 15m
2 stops
Multiple Airlines Logo
12:45 pm - 7:30 pm
PUS
-
IAD
19h 45m
1 stop
$1,471Multiple Airlines
Fri, Mar 6 - Fri, Mar 13
Multiple Airlines Logo
7:20 pm - 9:30 am
IAD
-
PUS
25h 10m
2 stops
Multiple Airlines Logo
8:00 pm - 7:34 am
PUS
-
IAD
24h 34m
2 stops
$1,478Multiple Airlines
Sun, May 10 - Sat, May 23
Multiple Airlines Logo
11:10 am - 1:00 pm
IAD
-
PUS
35h 50m
1 stop
Multiple Airlines Logo
2:05 pm - 7:30 pm
PUS
-
IAD
42h 25m
2 stops
$1,527Multiple Airlines
Sun, Feb 15 - Mon, Mar 9
Air China Logo
10:00 pm - 11:45 am
IAD
-
PUS
23h 45m
1 stop
Air China Logo
12:45 pm - 7:30 pm
PUS
-
IAD
19h 45m
1 stop
$1,593Air China
Fri, Mar 6 - Fri, Mar 13
Multiple Airlines Logo
9:45 am - 8:05 am
IAD
-
PUS
32h 20m
3 stops
Multiple Airlines Logo
2:05 pm - 10:50 am
PUS
-
IAD
33h 45m
2 stops
$1,595Multiple Airlines
Fri, Mar 6 - Fri, Mar 13

Delta flights from Washington, D.C. Dulles Intl Airport to Busan

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Busan flight tickets
Delta
Feb 13
IAD11:50 amWashington, D.C. Dulles Intl
30h 20m
1 stop
PUS8:10 amBusan Gimhae
Mar 4
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,820
Delta
Feb 13
IAD6:00 amWashington, D.C. Dulles Intl
23h 35m
2 stops
PUS7:35 pmBusan Gimhae
Mar 9
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,825
Delta
Feb 13
IAD11:50 amWashington, D.C. Dulles Intl
30h 20m
1 stop
PUS8:10 amBusan Gimhae
Mar 5
PUS4:10 pmBusan Gimhae
21h 45m
2 stops
IAD11:55 pmWashington, D.C. Dulles Intl
$1,830

Korean Air flights from Washington, D.C. Dulles Intl Airport to Busan

Our best Korean Air deals on Washington, D.C. Dulles Intl Airport to Busan flight tickets
Korean Air
Mar 5
IAD11:50 amWashington, D.C. Dulles Intl
30h 20m
1 stop
PUS8:10 amBusan Gimhae
Mar 12
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,724
Korean Air
Mar 5
IAD11:50 amWashington, D.C. Dulles Intl
18h 55m
1 stop
PUS8:45 pmBusan Gimhae
Mar 12
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,735
Korean Air
Mar 7
IAD11:50 amWashington, D.C. Dulles Intl
18h 55m
1 stop
PUS8:45 pmBusan Gimhae
Mar 14
PUS12:00 pmBusan Gimhae
35h 50m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,771

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Thu 3/5

6:27 pm-10:50 am

2 stops26h 23m

Busan Gimhae

Thu 3/12

11:50 am-5:40 am

2 stops30h 50m

$1,322

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Thu 3/5

6:27 pm-10:50 am

2 stops26h 23m

Busan Gimhae

Thu 3/12

11:50 am-5:40 am

2 stops30h 50m

$1,323

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/6

6:27 pm-8:45 pm

2 stops36h 18m

Busan Gimhae

Fri 3/13

2:50 pm-5:40 am

2 stops27h 50m

$1,329

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 2/14

9:15 pm-9:00 pm

2 stops33h 45m

Busan Gimhae

Thu 3/5

3:00 pm-11:45 am

2 stops34h 45m

$1,369

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 2/14

9:15 pm-8:35 pm

2 stops33h 20m

Busan Gimhae

Fri 3/6

12:45 pm-6:30 pm

1 stop19h 45m

$1,407

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/6

9:45 am-10:00 pm

2 stops22h 15m

Busan Gimhae

Fri 3/13

12:45 pm-7:30 pm

1 stop19h 45m

$1,471

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 5/10

7:20 pm-9:30 am

2 stops25h 10m

Busan Gimhae

Sat 5/23

8:00 pm-7:34 am

2 stops24h 34m

$1,478

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 2/15

11:10 am-1:00 pm

1 stop35h 50m

Busan Gimhae

Mon 3/9

2:05 pm-7:30 pm

2 stops42h 25m

$1,527

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/6

10:00 pm-11:45 am

1 stop23h 45m

Busan Gimhae

Fri 3/13

12:45 pm-7:30 pm

1 stop19h 45m

$1,593

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/6

9:45 am-8:05 am

3 stops32h 20m

Busan Gimhae

Fri 3/13

2:05 pm-10:50 am

2 stops33h 45m

$1,595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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. Dulles Intl 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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Busan flights?

You could potentially save up to 19% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Busan flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Busan

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

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

Fastest flight time

18h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Busan takes 18h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Busan. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Busan.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Busan Gimhae by plane?

    There are 7042.9 mi between Washington, D.C. Dulles Intl and Busan Gimhae. In terms of flight time, this usually takes a little over 18h 15m.

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

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

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl 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. Dulles Intl 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.

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Busan

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Busan with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $1,364Free CancellationRating
7.2
138 reviews
Search Air China flights
Korean AirPriceFrom $1,779Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights

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?

If you are simply researching potential flights to Busan, momondo offers a useful price alert feature which will track prices for flights to Busan from Washington, D.C. and alert you when they change.

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