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Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $544

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 9/15. 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

Logo
4:30 pm - 1:15 pmIAD-PUS
54h 45m2 stops
Logo
7:30 am - 3:54 pmPUS-IAD
46h 24m2 stops
$1,699
Find Deal
Sun, Nov 9 - Sun, Nov 16
Korean Air Logo
11:50 am - 4:05 pmIAD-PUS
38h 15m1 stop
Korean Air Logo
3:50 pm - 9:50 amPUS-IAD
32h 00m1 stop
$1,899Korean Air
Find Deal
Sun, Nov 9 - Sun, Nov 16
Logo
4:30 pm - 1:15 pmIAD-PUS
54h 45m2 stops
Logo
9:45 am - 9:50 amPUS-IAD
38h 05m1 stop
$1,951
Find Deal
Sun, Nov 9 - Sun, Nov 16

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 August 2, 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

Sun 11/9

4:30 pm-1:15 pm

2 stops54h 45m

Busan Gimhae

Sun 11/16

7:30 am-3:54 pm

2 stops46h 24m

$1,699

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/9

11:50 am-4:05 pm

1 stop38h 15m

Busan Gimhae

Sun 11/16

3:50 pm-9:50 am

1 stop32h 00m

$1,899

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/9

4:30 pm-1:15 pm

2 stops54h 45m

Busan Gimhae

Sun 11/16

9:45 am-9:50 am

1 stop38h 05m

$1,951

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 9/15

5:52 pm-1:00 pm

3 stops54h 08m

$544

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 9/15

9:40 pm-6:55 am

2 stops44h 15m

$607

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Mon 9/15

1:15 pm-6:20 pm

1 stop40h 05m

$1,032

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 9/30

11:00 pm-11:45 am

1 stop23h 45m

$1,132

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 9/30

6:09 pm-11:15 am

2 stops28h 06m

$1,162

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Thu 9/25

6:09 pm-7:00 pm

2 stops35h 51m

$1,193

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Tue 9/30

11:00 pm-11:45 am

1 stop23h 45m

$1,224

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

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

Best Price Found

$544

Fastest flight time

18h 30m

Direct flights

None

Airports in Busan

1 airport
The best one-way flight to Busan from Washington, D.C. Dulles Intl Airport in the past 72 hours is $544. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Busan found on momondo in the last 72 hours is $1,699.
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. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Busan Gimhae Airport.
There is 1 airport near Busan: Busan Gimhae (PUS)
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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 38h 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
7.3
93 reviews
Search Air China flights
Korean AirPriceFrom $1,868Free CancellationRating
8.4
1,122 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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