Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $1,304

This is the cheapest round-trip 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 2/9. 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
6:04 pm - 10:50 am
IAD
-
PUS
26h 46m2 stops
Multiple Airlines Logo
7:50 pm - 5:40 am
PUS
-
IAD
23h 50m2 stops
$1,304Multiple Airlines
Mon, Feb 9 - Thu, Feb 26
Multiple Airlines Logo
6:04 pm - 6:50 pm
IAD
-
PUS
34h 46m2 stops
Multiple Airlines Logo
7:50 pm - 5:20 pm
PUS
-
IAD
35h 30m2 stops
$1,311Multiple Airlines
Mon, Feb 9 - Thu, Feb 26
Delta Logo
11:50 am - 3:10 pm
IAD
-
PUS
37h 20m1 stop
Delta Logo
7:00 am - 9:50 am
PUS
-
IAD
16h 50m1 stop
$1,771Delta
Mon, Feb 9 - Thu, Feb 26
Korean Air Logo
12:50 pm - 3:10 pm
IAD
-
PUS
37h 20m1 stop
Korean Air Logo
7:55 am - 10:50 am
PUS
-
IAD
15h 55m1 stop
$1,775Korean Air
Wed, Mar 18 - Thu, Mar 26
Delta Logo
6:00 am - 8:10 am
IAD
-
PUS
36h 10m2 stops
Delta Logo
7:55 am - 9:50 am
PUS
-
IAD
15h 55m1 stop
$1,776Delta
Mon, Feb 9 - Thu, Feb 26
Air China Logo
11:00 pm - 11:45 am
IAD
-
PUS
23h 45m1 stop
Air China Logo
12:45 pm - 12:39 am
PUS
-
IAD
48h 54m2 stops
$1,807Air China
Fri, Mar 27 - Sat, Apr 11
Delta Logo
10:06 am - 8:45 pm
IAD
-
PUS
21h 39m2 stops
Delta Logo
4:30 pm - 11:49 pm
PUS
-
IAD
20h 19m2 stops
$1,886Delta
Fri, Mar 27 - Sat, Apr 11
Korean Air Logo
6:00 am - 7:35 pm
IAD
-
PUS
24h 35m2 stops
Korean Air Logo
8:00 am - 6:39 pm
PUS
-
IAD
23h 39m2 stops
$1,891Korean Air
Sat, Mar 28 - Sat, Apr 4
Korean Air Logo
7:20 am - 8:45 pm
IAD
-
PUS
24h 25m2 stops
Korean Air Logo
8:00 am - 11:15 am
PUS
-
IAD
16h 15m1 stop
$1,939Korean Air
Sat, Mar 28 - Sat, Apr 4
Multiple Airlines Logo
6:15 am - 11:45 am
IAD
-
PUS
40h 30m2 stops
Multiple Airlines Logo
11:50 am - 5:49 am
PUS
-
IAD
30h 59m2 stops
$1,941Multiple Airlines
Wed, Mar 18 - Thu, Mar 26

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 18
IAD12:50 pmWashington, D.C. Dulles Intl
37h 20m
1 stop
PUS3:10 pmBusan Gimhae
Mar 26
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Korean Air
Mar 28
IAD6:00 amWashington, D.C. Dulles Intl
24h 35m
2 stops
PUS7:35 pmBusan Gimhae
Apr 4
PUS8:00 amBusan Gimhae
23h 39m
2 stops
IAD6:39 pmWashington, D.C. Dulles Intl
Korean Air
Mar 28
IAD7:20 amWashington, D.C. Dulles Intl
24h 25m
2 stops
PUS8:45 pmBusan Gimhae
Apr 4
PUS8:00 amBusan Gimhae
16h 15m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl

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 9
IAD11:50 amWashington, D.C. Dulles Intl
37h 20m
1 stop
PUS3:10 pmBusan Gimhae
Feb 26
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Delta
Feb 9
IAD6:00 amWashington, D.C. Dulles Intl
36h 10m
2 stops
PUS8:10 amBusan Gimhae
Feb 26
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
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 19m
2 stops
IAD11:49 pmWashington, D.C. Dulles Intl

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 December 11, 2025.
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

Mon 2/9

6:04 pm-10:50 am

2 stops26h 46m

Busan Gimhae

Thu 2/26

7:50 pm-5:40 am

2 stops23h 50m

$1,304

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 2/9

6:04 pm-6:50 pm

2 stops34h 46m

Busan Gimhae

Thu 2/26

7:50 pm-5:20 pm

2 stops35h 30m

$1,311

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 2/9

11:50 am-3:10 pm

1 stop37h 20m

Busan Gimhae

Thu 2/26

7:00 am-9:50 am

1 stop16h 50m

$1,771

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 3/18

12:50 pm-3:10 pm

1 stop37h 20m

Busan Gimhae

Thu 3/26

7:55 am-10:50 am

1 stop15h 55m

$1,775

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 2/9

6:00 am-8:10 am

2 stops36h 10m

Busan Gimhae

Thu 2/26

7:55 am-9:50 am

1 stop15h 55m

$1,776

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/27

11:00 pm-11:45 am

1 stop23h 45m

Busan Gimhae

Sat 4/11

12:45 pm-12:39 am

2 stops48h 54m

$1,807

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/27

10:06 am-8:45 pm

2 stops21h 39m

Busan Gimhae

Sat 4/11

4:30 pm-11:49 pm

2 stops20h 19m

$1,886

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 3/28

6:00 am-7:35 pm

2 stops24h 35m

Busan Gimhae

Sat 4/4

8:00 am-6:39 pm

2 stops23h 39m

$1,891

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 3/28

7:20 am-8:45 pm

2 stops24h 25m

Busan Gimhae

Sat 4/4

8:00 am-11:15 am

1 stop16h 15m

$1,939

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 3/18

6:15 am-11:45 am

2 stops40h 30m

Busan Gimhae

Thu 3/26

11:50 am-5:49 am

2 stops30h 59m

$1,941

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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. Dulles Intl 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. Dulles Intl 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.

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

34h 46m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Busan takes 34h 46m
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.
  • 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 34h 46m.

  • 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
127 reviews
Search Air China flights
Korean AirPriceFrom $1,779Free CancellationRating
8.4
1,184 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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1 adult
Sat 1/10
Sat 1/17

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