Cheap flights from Washington, D.C. Dulles Intl Airport to Busan from $530

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 12/7. 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

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Multiple Airlines Logo
9:45 am - 1:00 pmIAD-PUS
37h 15m2 stops
Multiple Airlines Logo
11:05 am - 8:54 pmPUS-IAD
23h 49m2 stops
$1,578Multiple Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 26
Multiple Airlines Logo
10:40 am - 7:10 amIAD-PUS
30h 30m3 stops
Multiple Airlines Logo
10:35 am - 8:20 amPUS-IAD
35h 45m3 stops
$1,619Multiple Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 26
Multiple Airlines Logo
7:45 pm - 11:15 amIAD-PUS
26h 30m2 stops
Multiple Airlines Logo
12:15 pm - 5:49 amPUS-IAD
30h 34m2 stops
$1,689Multiple Airlines
Find Deal
Fri, Apr 3 - Sat, Apr 11
Multiple Airlines Logo
10:40 am - 6:20 amIAD-PUS
29h 40m2 stops
Multiple Airlines Logo
10:35 am - 8:20 amPUS-IAD
35h 45m3 stops
$1,753Multiple Airlines
Find Deal
Sun, Feb 8 - Thu, Feb 26
Air China Logo
8:30 am - 11:45 amIAD-PUS
38h 15m2 stops
Air China Logo
12:45 pm - 6:45 amPUS-IAD
31h 00m2 stops
$1,763Air China
Find Deal
Sun, Apr 5 - Fri, Apr 17
Delta Logo
7:49 pm - 10:50 amIAD-PUS
25h 01m2 stops
Delta Logo
7:00 am - 9:50 amPUS-IAD
16h 50m1 stop
$1,778Delta
Find Deal
Sun, Feb 8 - Thu, Feb 26
Air China Logo
11:00 pm - 11:45 amIAD-PUS
23h 45m1 stop
Air China Logo
12:45 pm - 12:50 amPUS-IAD
49h 05m2 stops
$1,784Air China
Find Deal
Fri, Mar 27 - Sat, Apr 11
Korean Air Logo
11:50 am - 3:10 pmIAD-PUS
37h 20m1 stop
Korean Air Logo
7:00 am - 9:50 amPUS-IAD
16h 50m1 stop
$1,827Korean Air
Find Deal
Sun, Feb 8 - Thu, Feb 26
Korean Air Logo
12:50 pm - 8:45 pmIAD-PUS
18h 55m1 stop
Korean Air Logo
7:00 am - 11:15 amPUS-IAD
17h 15m1 stop
$1,995Korean Air
Find Deal
Fri, Mar 27 - Sat, Apr 11
Delta Logo
7:51 pm - 10:50 amIAD-PUS
24h 59m2 stops
Delta Logo
12:00 pm - 9:50 amPUS-IAD
35h 50m1 stop
$2,376Delta
Find Deal
Sun, Mar 1 - Wed, Mar 4

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
Apr 5
IAD8:30 amWashington, D.C. Dulles Intl
38h 15m
2 stops
PUS11:45 amBusan Gimhae
Apr 17
PUS12:45 pmBusan Gimhae
31h 00m
2 stops
IAD6:45 amWashington, D.C. Dulles Intl
Air China
Mar 27
IAD11:00 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
PUS11:45 amBusan Gimhae
Apr 11
PUS12:45 pmBusan Gimhae
49h 05m
2 stops
IAD12:50 amWashington, D.C. Dulles Intl
Air China
Apr 3
IAD11:00 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
PUS11:45 amBusan Gimhae
Apr 11
PUS12:45 pmBusan Gimhae
49h 05m
2 stops
IAD12:50 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 8
IAD7:49 pmWashington, D.C. Dulles Intl
25h 01m
2 stops
PUS10:50 amBusan Gimhae
Feb 26
PUS7:00 amBusan Gimhae
16h 50m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Delta
Mar 1
IAD7:51 pmWashington, D.C. Dulles Intl
24h 59m
2 stops
PUS10:50 amBusan Gimhae
Mar 4
PUS12:00 pmBusan Gimhae
35h 50m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Delta
Mar 1
IAD7:59 pmWashington, D.C. Dulles Intl
24h 51m
2 stops
PUS10:50 amBusan Gimhae
Mar 4
PUS4:10 pmBusan Gimhae
31h 40m
1 stop
IAD9:50 amWashington, 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 November 3, 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 2/8

9:45 am-1:00 pm

2 stops37h 15m

Busan Gimhae

Thu 2/26

11:05 am-8:54 pm

2 stops23h 49m

$1,578

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 2/8

10:40 am-7:10 am

3 stops30h 30m

Busan Gimhae

Thu 2/26

10:35 am-8:20 am

3 stops35h 45m

$1,619

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 4/3

7:45 pm-11:15 am

2 stops26h 30m

Busan Gimhae

Sat 4/11

12:15 pm-5:49 am

2 stops30h 34m

$1,689

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 2/8

10:40 am-6:20 am

2 stops29h 40m

Busan Gimhae

Thu 2/26

10:35 am-8:20 am

3 stops35h 45m

$1,753

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 4/5

8:30 am-11:45 am

2 stops38h 15m

Busan Gimhae

Fri 4/17

12:45 pm-6:45 am

2 stops31h 00m

$1,763

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 2/8

7:49 pm-10:50 am

2 stops25h 01m

Busan Gimhae

Thu 2/26

7:00 am-9:50 am

1 stop16h 50m

$1,778

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-12:50 am

2 stops49h 05m

$1,784

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 2/8

11:50 am-3:10 pm

1 stop37h 20m

Busan Gimhae

Thu 2/26

7:00 am-9:50 am

1 stop16h 50m

$1,827

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Fri 3/27

12:50 pm-8:45 pm

1 stop18h 55m

Busan Gimhae

Sat 4/11

7:00 am-11:15 am

1 stop17h 15m

$1,995

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 3/1

7:51 pm-10:50 am

2 stops24h 59m

Busan Gimhae

Wed 3/4

12:00 pm-9:50 am

1 stop35h 50m

$2,376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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.

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

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.
  • 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 55m.

  • 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
7.1
122 reviews
Search Air China flights
Korean AirPriceFrom $1,779Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights

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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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Wed 12/3
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