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Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $542

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 4/1. 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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0 bags

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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
7:05 am - 3:10 pm
IAD
-
PUS
42h 05m2 stops
Multiple Airlines Logo
12:45 pm - 6:30 pm
PUS
-
IAD
19h 45m1 stop
$1,256Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
7:05 am - 8:10 am
IAD
-
PUS
35h 05m2 stops
Multiple Airlines Logo
4:10 pm - 5:40 am
PUS
-
IAD
27h 30m2 stops
$1,340Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
10:40 am - 6:20 am
IAD
-
PUS
29h 40m2 stops
Multiple Airlines Logo
12:45 pm - 6:30 pm
PUS
-
IAD
19h 45m1 stop
$1,341Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
7:05 am - 8:10 am
IAD
-
PUS
35h 05m2 stops
Multiple Airlines Logo
4:10 pm - 5:20 pm
PUS
-
IAD
39h 10m2 stops
$1,461Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
Multiple Airlines Logo
10:40 am - 6:20 am
IAD
-
PUS
29h 40m2 stops
Multiple Airlines Logo
7:20 am - 12:12 pm
PUS
-
IAD
42h 52m3 stops
$1,509Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
9:00 am - 8:55 am
IAD
-
PUS
33h 55m3 stops
Multiple Airlines Logo
12:45 pm - 6:30 pm
PUS
-
IAD
19h 45m1 stop
$1,575Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
9:00 am - 8:55 am
IAD
-
PUS
33h 55m3 stops
Multiple Airlines Logo
7:20 am - 12:12 pm
PUS
-
IAD
42h 52m3 stops
$1,576Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
9:00 am - 8:55 am
IAD
-
PUS
33h 55m3 stops
Multiple Airlines Logo
7:20 am - 12:12 pm
PUS
-
IAD
42h 52m3 stops
$1,593Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
10:40 am - 6:20 am
IAD
-
PUS
29h 40m2 stops
Multiple Airlines Logo
7:20 am - 9:21 pm
PUS
-
IAD
28h 01m2 stops
$1,618Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
9:00 am - 8:55 am
IAD
-
PUS
33h 55m3 stops
Multiple Airlines Logo
7:20 am - 9:21 pm
PUS
-
IAD
28h 01m2 stops
$1,656Multiple Airlines
Fri, Feb 20 - Fri, Feb 27

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
Apr 23
IAD1:15 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
PUS7:45 amBusan Gimhae
May 17
PUS4:30 pmBusan Gimhae
31h 45m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
$1,634
Korean Air
Feb 21
IAD11:50 amWashington, D.C. Dulles Intl
37h 20m
1 stop
PUS3:10 pmBusan Gimhae
Feb 28
PUS4:10 pmBusan Gimhae
31h 40m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,772
Korean Air
Feb 20
IAD11:50 amWashington, D.C. Dulles Intl
18h 55m
1 stop
PUS8:45 pmBusan Gimhae
Feb 27
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,778

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
Mar 27
IAD10:06 amWashington, D.C. Dulles Intl
21h 39m
2 stops
PUS8:45 pmBusan Gimhae
Apr 11
PUS4:30 pmBusan Gimhae
20h 10m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
$1,885
Delta
Mar 28
IAD7:00 amWashington, D.C. Dulles Intl
24h 45m
2 stops
PUS8:45 pmBusan Gimhae
Apr 4
PUS8:00 amBusan Gimhae
16h 15m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
$8,887

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 8, 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

Fri 2/20

7:05 am-3:10 pm

2 stops42h 05m

Busan Gimhae

Fri 2/27

12:45 pm-6:30 pm

1 stop19h 45m

$1,256

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

7:05 am-8:10 am

2 stops35h 05m

Busan Gimhae

Fri 2/27

4:10 pm-5:40 am

2 stops27h 30m

$1,340

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

10:40 am-6:20 am

2 stops29h 40m

Busan Gimhae

Fri 2/27

12:45 pm-6:30 pm

1 stop19h 45m

$1,341

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 2/21

7:05 am-8:10 am

2 stops35h 05m

Busan Gimhae

Sat 2/28

4:10 pm-5:20 pm

2 stops39h 10m

$1,461

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

10:40 am-6:20 am

2 stops29h 40m

Busan Gimhae

Fri 2/27

7:20 am-12:12 pm

3 stops42h 52m

$1,509

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-8:55 am

3 stops33h 55m

Busan Gimhae

Fri 2/27

12:45 pm-6:30 pm

1 stop19h 45m

$1,575

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-8:55 am

3 stops33h 55m

Busan Gimhae

Fri 2/27

7:20 am-12:12 pm

3 stops42h 52m

$1,576

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-8:55 am

3 stops33h 55m

Busan Gimhae

Fri 2/27

7:20 am-12:12 pm

3 stops42h 52m

$1,593

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

10:40 am-6:20 am

2 stops29h 40m

Busan Gimhae

Fri 2/27

7:20 am-9:21 pm

2 stops28h 01m

$1,618

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-8:55 am

3 stops33h 55m

Busan Gimhae

Fri 2/27

7:20 am-9:21 pm

2 stops28h 01m

$1,656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Busan takes 18h 30m
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 30m.

  • 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
136 reviews
Search Air China flights
Korean AirPriceFrom $1,779Free CancellationRating
8.4
1,188 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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