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Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $620

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 9/24. 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

China Eastern Logo
12:09 pm - 4:50 pmIAD-PUS
38h 41m2 stops
China Eastern Logo
12:35 pm - 7:08 pmPUS-IAD
44h 33m2 stops
$1,017China Eastern
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Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
7:43 am - 10:50 amIAD-PUS
37h 07m2 stops
Multiple Airlines Logo
10:10 am - 6:23 amPUS-IAD
34h 13m2 stops
$1,157Multiple Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 11
Multiple Airlines Logo
6:13 pm - 10:50 amIAD-PUS
26h 37m2 stops
Multiple Airlines Logo
11:50 am - 6:23 amPUS-IAD
32h 33m2 stops
$1,295Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 11
Multiple Airlines Logo
7:43 am - 10:50 amIAD-PUS
37h 07m2 stops
Multiple Airlines Logo
12:45 pm - 6:30 pmPUS-IAD
19h 45m1 stop
$1,310Multiple Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 11
Air China Logo
10:00 pm - 11:45 amIAD-PUS
23h 45m1 stop
Air China Logo
12:45 pm - 6:30 pmPUS-IAD
19h 45m1 stop
$1,318Air China
Find Deal
Tue, Nov 4 - Tue, Nov 11
Air China Logo
6:30 am - 11:45 amIAD-PUS
39h 15m2 stops
Air China Logo
12:45 pm - 7:26 pmPUS-IAD
44h 41m2 stops
$1,427Air China
Find Deal
Wed, Nov 5 - Tue, Nov 11
Delta Logo
11:50 am - 8:45 pmIAD-PUS
18h 55m1 stop
Delta Logo
7:55 am - 9:50 amPUS-IAD
15h 55m1 stop
$1,894Delta
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Mon, Nov 3 - Wed, Nov 12
Delta Logo
6:05 am - 7:30 pmIAD-PUS
23h 25m2 stops
Delta Logo
7:00 am - 9:50 amPUS-IAD
16h 50m1 stop
$1,899Delta
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Mon, Nov 3 - Wed, Nov 12
Korean Air Logo
12:50 pm - 8:45 pmIAD-PUS
18h 55m1 stop
Korean Air Logo
7:55 am - 9:50 amPUS-IAD
15h 55m1 stop
$1,948Korean Air
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Sat, Nov 1 - Tue, Nov 11
Korean Air Logo
7:05 am - 7:35 pmIAD-PUS
22h 30m2 stops
Korean Air Logo
7:00 am - 9:50 amPUS-IAD
16h 50m1 stop
$1,953Korean Air
Find Deal
Sun, Nov 2 - Wed, Nov 12

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
Nov 1
IAD12:50 pmWashington, D.C. Dulles Intl
18h 55m
1 stop
PUS8:45 pmBusan Gimhae
Nov 11
PUS7:55 amBusan Gimhae
15h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,948
Find similar
Korean Air
Nov 2
IAD7:05 amWashington, D.C. Dulles Intl
22h 30m
2 stops
PUS7:35 pmBusan Gimhae
Nov 12
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
$1,953
Find similar
Korean Air
Nov 4
IAD7:05 amWashington, D.C. Dulles Intl
23h 40m
2 stops
PUS8:45 pmBusan Gimhae
Nov 11
PUS4:10 pmBusan Gimhae
21h 42m
2 stops
IAD11:52 pmWashington, D.C. Dulles Intl
$1,954
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Air China flights from Washington, D.C. Dulles Intl Airport to Busan

Our best Air China deals on Washington, D.C. Dulles Intl Airport to Busan flight tickets
Air China
Nov 4
IAD10:00 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
PUS11:45 amBusan Gimhae
Nov 11
PUS12:45 pmBusan Gimhae
19h 45m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$1,318
Find similar
Air China
Nov 5
IAD6:30 amWashington, D.C. Dulles Intl
39h 15m
2 stops
PUS11:45 amBusan Gimhae
Nov 11
PUS12:45 pmBusan Gimhae
44h 41m
2 stops
IAD7:26 pmWashington, D.C. Dulles Intl
$1,427
Find similar
Air China
Nov 5
IAD6:30 amWashington, D.C. Dulles Intl
39h 15m
2 stops
PUS11:45 amBusan Gimhae
Nov 11
PUS12:45 pmBusan Gimhae
19h 45m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$1,451
Find similar

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 September 17, 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 11/3

12:09 pm-4:50 pm

2 stops38h 41m

Busan Gimhae

Mon 11/10

12:35 pm-7:08 pm

2 stops44h 33m

$1,017

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-10:50 am

2 stops37h 07m

Busan Gimhae

Tue 11/11

10:10 am-6:23 am

2 stops34h 13m

$1,157

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 11/3

6:13 pm-10:50 am

2 stops26h 37m

Busan Gimhae

Tue 11/11

11:50 am-6:23 am

2 stops32h 33m

$1,295

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-10:50 am

2 stops37h 07m

Busan Gimhae

Tue 11/11

12:45 pm-6:30 pm

1 stop19h 45m

$1,310

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-11:45 am

1 stop23h 45m

Busan Gimhae

Tue 11/11

12:45 pm-6:30 pm

1 stop19h 45m

$1,318

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 11/5

6:30 am-11:45 am

2 stops39h 15m

Busan Gimhae

Tue 11/11

12:45 pm-7:26 pm

2 stops44h 41m

$1,427

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 11/3

11:50 am-8:45 pm

1 stop18h 55m

Busan Gimhae

Wed 11/12

7:55 am-9:50 am

1 stop15h 55m

$1,894

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 11/3

6:05 am-7:30 pm

2 stops23h 25m

Busan Gimhae

Wed 11/12

7:00 am-9:50 am

1 stop16h 50m

$1,899

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 11/1

12:50 pm-8:45 pm

1 stop18h 55m

Busan Gimhae

Tue 11/11

7:55 am-9:50 am

1 stop15h 55m

$1,948

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/2

7:05 am-7:35 pm

2 stops22h 30m

Busan Gimhae

Wed 11/12

7:00 am-9:50 am

1 stop16h 50m

$1,953

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. 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.

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

Direct flights

None
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.
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  • 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 17h 45m.

  • 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
7.3
101 reviews
Search Air China flights
Korean AirPriceFrom $1,975Free CancellationRating
8.4
1,140 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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