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Dulles Intl

$1,128+ Cheap flights from Busan (PUS) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — IAD
jun. 10 — jun. 171
mar. 6/10
mar. 6/17
1 adult, Economy
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Cheap flight deals from Busan to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 5, 2025.

Round-trip from

$1,128
(Trip.com)
From Busan Gimhae to Washington, D.C. Dulles Intl
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Find flight deals from Busan to Dulles Intl

Cheapest flights from Busan to Dulles Intl
Explore the most affordable flight options available from Busan to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 5, 2025.

This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/810:40 amPUS - IAD
2 stops26h 19mMultiple Airlines
mar. 7/156:30 amIAD - PUS
2 stops36h 15mMultiple Airlines
Deal found 6/5$1,128
This Air China deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/812:45 pmPUS - IAD
1 stop19h 45mAir China
mar. 7/1511:00 pmIAD - PUS
1 stop23h 45mAir China
Deal found 6/5$1,192
This Gotogate deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/110:25 amPUS - IAD
1 stop37h 25mKorean Air
dom. 12/711:50 amIAD - PUS
1 stop18h 55mKorean Air
Deal found 6/5$1,355
This KLM deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/237:55 amPUS - IAD
2 stops45h 50mKLM
dom. 12/285:35 pmIAD - PUS
2 stops37h 10mKLM
Deal found 6/5$1,481
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/84:30 pmPUS - IAD
2 stops26h 27mDelta
mar. 7/157:30 amIAD - PUS
2 stops23h 05mDelta
Deal found 6/4$1,552

Cheapflights Fare Finder

Customize your flight search to find flights from Busan to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated junio 5, 2025.
Use the filters below to find and compare flights from Busan to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Busan

Fly to

Dulles Intl

Route

Depart

Return

Price

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mar. 7/8

10:40 am-11:59 pm

2 stops26h 19m

Washington, D.C. Dulles Intl

mar. 7/15

6:30 am-7:45 am

2 stops36h 15m

$1,128

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mar. 7/8

12:45 pm-7:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

mar. 7/15

11:00 pm-11:45 am

1 stop23h 45m

$1,192

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

lun. 12/1

10:25 am-9:50 am

1 stop37h 25m

Washington, D.C. Dulles Intl

dom. 12/7

11:50 am-8:45 pm

1 stop18h 55m

$1,355

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mié. 6/25

8:45 am-3:35 pm

2 stops43h 50m

Washington, D.C. Dulles Intl

dom. 7/13

5:25 pm-7:35 pm

2 stops37h 10m

$1,531

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mar. 7/8

4:30 pm-5:57 am

2 stops26h 27m

Washington, D.C. Dulles Intl

mar. 7/15

7:30 am-7:35 pm

2 stops23h 05m

$1,552

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mié. 7/16

4:30 pm-11:21 pm

2 stops19h 51m

$1,285

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

sáb. 7/19

7:00 am-11:15 am

1 stop17h 15m

$1,816

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Best time to book a flight from Busan to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Busan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Busan to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated junio 5, 2025.
Korean Air
8.4
Very good
1,084 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,084 reviews
Korean Air
8.4
Very good
1,084 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,958 reviews
Korean Air
8.4
Very good
1,084 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
KLM
7.8
Good
1,352 reviews
Korean Air
8.4
Very good
1,084 reviews

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Busan to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Busan to Washington, D.C. Dulles Intl?

    Located just 7.2 mi from the city center, Busan Gimhae is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Busan. Booking flights from Gimhae (PUS) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • What are the cheapest airlines flying from Busan to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Busan to Washington, D.C. Dulles Intl Airport is Air China. Our recent data shows that you can find tickets from as low as $1,192 on this airline. Additional options worth looking into are Korean Air and KLM, starting at $1,355 and $1,531 round-trip.

  • Can I find deals for flights from Busan to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Busan to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Busan to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Busan to Dulles Intl.

  • Can I find deals for business class flights from Busan to Dulles Intl?

    Yes. Cheapflights offers flight deals from Busan to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Busan to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Busan to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Busan to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $352). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Busan?

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