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Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $685

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 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
EVA Air Logo
1:15 am - 6:00 pm
IAD
-
PUS
27h 45m
1 stop
EVA Air Logo
11:20 am - 10:00 pm
PUS
-
IAD
23h 40m
1 stop
$1,188EVA Air
Wed, Sep 16 - Mon, Sep 21
STARLUX Airlines Logo
5:57 pm - 5:55 pm
IAD
-
PUS
34h 58m
2 stops
STARLUX Airlines Logo
12:30 pm - 5:40 am
PUS
-
IAD
30h 10m
2 stops
$1,360STARLUX Airlines
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
1:50 am - 11:35 am
IAD
-
PUS
20h 45m
1 stop
Multiple Airlines Logo
7:10 pm - 6:39 am
PUS
-
IAD
24h 29m
2 stops
$1,584Multiple Airlines
Mon, Aug 3 - Thu, Aug 13
EVA Air Logo
1:50 am - 6:00 pm
IAD
-
PUS
27h 10m
1 stop
EVA Air Logo
7:10 pm - 10:30 pm
PUS
-
IAD
40h 20m
1 stop
$1,590EVA Air
Mon, Aug 3 - Thu, Aug 13
Multiple Airlines Logo
5:47 pm - 10:20 am
IAD
-
PUS
27h 33m
2 stops
Multiple Airlines Logo
7:10 pm - 10:00 pm
PUS
-
IAD
39h 50m
1 stop
$1,610Multiple Airlines
Fri, Sep 4 - Sun, Sep 20
STARLUX Airlines Logo
5:57 pm - 5:55 pm
IAD
-
PUS
34h 58m
2 stops
STARLUX Airlines Logo
6:55 pm - 5:40 am
PUS
-
IAD
47h 45m
2 stops
$1,625STARLUX Airlines
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
5:47 pm - 10:20 am
IAD
-
PUS
27h 33m
2 stops
Multiple Airlines Logo
11:20 am - 5:40 am
PUS
-
IAD
31h 20m
2 stops
$1,635Multiple Airlines
Fri, Sep 4 - Sun, Sep 20
Multiple Airlines Logo
10:14 pm - 7:50 pm
IAD
-
PUS
32h 36m
2 stops
Multiple Airlines Logo
2:20 pm - 11:15 am
PUS
-
IAD
33h 55m
2 stops
$1,638Multiple Airlines
Sun, Jul 12 - Sat, Jul 18
STARLUX Airlines Logo
5:57 pm - 5:55 pm
IAD
-
PUS
34h 58m
2 stops
STARLUX Airlines Logo
6:55 pm - 5:40 am
PUS
-
IAD
47h 45m
2 stops
$1,645STARLUX Airlines
Wed, Sep 16 - Sun, Sep 20
EVA Air Logo
1:50 am - 11:35 am
IAD
-
PUS
20h 45m
1 stop
EVA Air Logo
7:10 pm - 10:30 pm
PUS
-
IAD
40h 20m
1 stop
$1,707EVA Air
Sat, Jul 18 - Sun, Jul 26

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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
Sep 4
IAD1:15 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
PUS7:45 amBusan Gimhae
Sep 20
PUS4:30 pmBusan Gimhae
31h 35m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
$1,712
Korean Air
Sep 17
IAD6:00 amWashington, D.C. Dulles Intl
24h 35m
2 stops
PUS7:35 pmBusan Gimhae
Sep 21
PUS7:00 amBusan Gimhae
17h 05m
1 stop
IAD11:05 amWashington, D.C. Dulles Intl
$1,717
Korean Air
Oct 18
IAD7:59 pmWashington, D.C. Dulles Intl
22h 46m
2 stops
PUS7:45 amBusan Gimhae
Oct 26
PUS4:10 pmBusan Gimhae
21h 10m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$1,728

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
Oct 18
IAD7:59 pmWashington, D.C. Dulles Intl
22h 46m
2 stops
PUS7:45 amBusan Gimhae
Oct 26
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,713
Delta
Oct 18
IAD1:15 pmWashington, D.C. Dulles Intl
29h 30m
1 stop
PUS7:45 amBusan Gimhae
Oct 26
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
$1,758
Delta
Aug 7
IAD12:30 pmWashington, D.C. Dulles Intl
30h 15m
2 stops
PUS7:45 amBusan Gimhae
Aug 14
PUS7:00 amBusan Gimhae
29h 59m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$1,883

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 June 15, 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

Cheapest round-trip

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 9/16

1:15 am-6:00 pm

1 stop27h 45m

Busan Gimhae

Mon 9/21

11:20 am-10:00 pm

1 stop23h 40m

$1,188

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Thu 9/17

5:57 pm-5:55 pm

2 stops34h 58m

Busan Gimhae

Mon 9/21

12:30 pm-5:40 am

2 stops30h 10m

$1,360
Quickest round-trip

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 8/3

1:50 am-11:35 am

1 stop20h 45m

Busan Gimhae

Thu 8/13

7:10 pm-6:39 am

2 stops24h 29m

$1,584

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 8/3

1:50 am-6:00 pm

1 stop27h 10m

Busan Gimhae

Thu 8/13

7:10 pm-10:30 pm

1 stop40h 20m

$1,590

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 9/4

5:47 pm-10:20 am

2 stops27h 33m

Busan Gimhae

Sun 9/20

7:10 pm-10:00 pm

1 stop39h 50m

$1,610

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 9/16

5:57 pm-5:55 pm

2 stops34h 58m

Busan Gimhae

Sun 9/20

6:55 pm-5:40 am

2 stops47h 45m

$1,625

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 9/4

5:47 pm-10:20 am

2 stops27h 33m

Busan Gimhae

Sun 9/20

11:20 am-5:40 am

2 stops31h 20m

$1,635

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 7/12

10:14 pm-7:50 pm

2 stops32h 36m

Busan Gimhae

Sat 7/18

2:20 pm-11:15 am

2 stops33h 55m

$1,638

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Wed 9/16

5:57 pm-5:55 pm

2 stops34h 58m

Busan Gimhae

Sun 9/20

6:55 pm-5:40 am

2 stops47h 45m

$1,645

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sat 7/18

1:50 am-11:35 am

1 stop20h 45m

Busan Gimhae

Sun 7/26

7:10 pm-10:30 pm

1 stop40h 20m

$1,707

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Busan

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

You could potentially save up to 44% 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

22h 46m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Busan takes 22h 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.
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Frequently asked questions about flying 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 22h 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 $1,436Free CancellationRating
7.3
155 reviews
Search Air China flights
Korean AirPriceFrom $1,771Free CancellationRating
8.4
1,218 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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