What are the cheapest airlines to fly from South Korea to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airlines for a one-way flight from South Korea to Washington, D.C. Dulles Intl Airport are Air Canada ($406), WestJet ($521), and Japan Airlines ($594).

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.

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).

What are the most popular routes from South Korea to Washington, D.C. Dulles Intl Airport?

While some choose either Seoul Gimpo Intl - Washington, D.C. Dulles Intl or Busan Gimhae - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C. Dulles Intl Airport.

What are the cheapest flights from South Korea to Washington, D.C. Dulles Intl Airport?

On average you can expect to pay $1,576 for a flight from South Korea to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $1,298 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $731.

What are the most popular airlines that fly from South Korea to Washington, D.C. Dulles Intl Airport?

Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from South Korea to Washington, D.C. Dulles Intl Airport.

What is the cheapest month to fly from South Korea to Washington, D.C. Dulles Intl Airport?

February is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from South Korea. Prices for February average $1,025 per person but you can even find prices for as low as $748. The most expensive prices can be found in the month of July. Opting for a February flight can save you 18% on your journey compared to booking in July

Can I find deals for flights from South Korea to Dulles Intl that include hotel bookings?

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

How can I find direct flights from South Korea to Dulles Intl?

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

Can I find deals for business class flights from South Korea to Dulles Intl?

Yes. Cheapflights offers flight deals from South Korea 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.

$406+ Flights from South Korea to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from South Korea to Dulles Intl

Round-trip from	$520 (Booking.com)
One-way from	$406 (Mytrip)
Popular in	July
Cheapest in	February
Average price	$1,216
Good round-trip deal	$1,318 or less

From South Korea to Washington, D.C. Dulles Intl

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One-way flight from South Korea to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 9% potential increase in price ($112 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from South Korea to Washington, D.C. Dulles Intl.

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Find flight deals from South Korea to Dulles Intl

Cheapest flights from South Korea to Dulles Intl
Explore the most affordable flight options available from South Korea to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Fri 9/126:00 pmICN - IAD

2 stops30h 45mAir Canada

Thu 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Deal found 7/29

$520

Wed 8/274:50 pmICN - IAD

1 stop39h 02mUnited Airlines

Fri 8/2912:20 pmIAD - ICN

1 stop38h 30mUnited Airlines

Deal found 7/30

$630

Wed 9/107:55 pmGMP - IAD

1 stop27h 10mANA

Fri 12/511:05 amIAD - GMP

1 stop21h 25mANA

Deal found 7/30

$968

Tue 10/2112:45 pmPUS - IAD

1 stop19h 45mAir China

Fri 10/2411:00 pmIAD - PUS

1 stop23h 45mAir China

Deal found 7/28

$1,043

Tue 10/2112:45 pmPUS - IAD

1 stop19h 45mMultiple Airlines

Fri 10/2411:00 pmIAD - PUS

2 stops28h 05mMultiple Airlines

Deal found 7/28

$1,197

Tue 9/29:15 pmPUS - IAD

1 stop26h 40mKorean Air

Wed 9/101:15 pmIAD - PUS

1 stop29h 30mKorean Air

Deal found 7/28

$1,506

Wed 9/38:45 amPUS - IAD

2 stops43h 50mKLM

Wed 9/106:30 pmIAD - PUS

2 stops37h 15mKLM

Deal found 7/27

$1,541

Best flights from South Korea to Dulles Intl
Discover carefully curated flight deals from South Korea to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Fri 9/126:00 pmICN - IAD

2 stops30h 45mAir Canada

Thu 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Deal found 7/29

$520

Wed 8/274:50 pmICN - IAD

1 stop39h 02mUnited Airlines

Fri 8/2912:20 pmIAD - ICN

1 stop38h 30mUnited Airlines

Deal found 7/30

$630

Wed 9/107:55 pmGMP - IAD

1 stop27h 10mANA

Fri 12/511:05 amIAD - GMP

1 stop21h 25mANA

Deal found 7/30

$968

Tue 10/2112:45 pmPUS - IAD

1 stop19h 45mAir China

Fri 10/2411:00 pmIAD - PUS

1 stop23h 45mAir China

Deal found 7/28

$1,043

Tue 10/2112:45 pmPUS - IAD

1 stop19h 45mMultiple Airlines

Fri 10/2411:00 pmIAD - PUS

2 stops28h 05mMultiple Airlines

Deal found 7/28

$1,197

Tue 9/29:15 pmPUS - IAD

1 stop26h 40mKorean Air

Wed 9/101:15 pmIAD - PUS

1 stop29h 30mKorean Air

Deal found 7/28

$1,506

Wed 9/38:45 amPUS - IAD

2 stops43h 50mKLM

Wed 9/106:30 pmIAD - PUS

2 stops37h 15mKLM

Deal found 7/27

$1,541

Last-minute flights from South Korea to Dulles Intl
Discover last-minute flight deals from South Korea to Dulles Intl. Data last updated July 30, 2025 and is based on user searches.

Fri 8/14:30 pmPUS - IAD

2 stops39h 45mMultiple Airlines

Mon 9/16:30 pmIAD - PUS

2 stops26h 00mMultiple Airlines

Deal found 7/29

$1,606

Mon 8/49:00 amICN - IAD

1 stop19h 45mUnited Airlines

Tue 8/53:00 pmIAD - ICN

1 stop35h 00mUnited Airlines

Deal found 7/30

$629

Mon 8/49:25 pmICN - IAD

2 stops34h 34mAlaska Airlines

Thu 8/147:59 pmIAD - ICN

3 stops34h 01mAlaska Airlines

Deal found 7/29

$1,277

Thu 8/77:55 amGMP - IAD

2 stops27h 49mMultiple Airlines

Tue 8/126:27 amIAD - GMP

2 stops39h 18mMultiple Airlines

Deal found 7/30

$1,444

Thu 8/77:55 amGMP - IAD

2 stops36h 32mJapan Airlines

Sun 8/106:30 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 7/30

$1,485

Thu 8/77:55 pmGMP - IAD

1 stop27h 10mANA

Sun 8/1012:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 7/30

$1,735

Fri 8/85:45 pmICN - IAD

1 stop25h 36mAir Canada

Wed 10/225:37 pmIAD - ICN

1 stop33h 38mAir Canada

Deal found 7/29

$948

Sun 8/105:25 pmICN - IAD

2 stops42h 31mAmerican Airlines

Sat 8/166:27 amIAD - ICN

1 stop20h 03mAmerican Airlines

Deal found 7/30

$943

Sun 8/248:45 amPUS - IAD

2 stops43h 50mKLM

Fri 8/295:25 pmIAD - PUS

2 stops28h 50mKLM

Deal found 7/30

$1,910

Mon 8/2512:05 pmGMP - IAD

2 stops32h 27mJapan Airlines

Fri 9/197:00 amIAD - GMP

2 stops25h 50mJapan Airlines

Deal found 7/29

$1,346

Mon 8/2510:40 amPUS - IAD

1 stop37h 35mKorean Air

Thu 9/41:15 pmIAD - PUS

1 stop18h 30mKorean Air

Deal found 7/28

$1,553

Tue 8/266:00 pmICN - IAD

1 stop30h 13mAir Canada

Thu 9/189:35 amIAD - ICN

1 stop17h 40mAir Canada

Deal found 7/29

$878

One-way flights from South Korea to Dulles Intl
Search for one-way flight options from South Korea to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Fri 9/126:00 pmICN - IAD

1 stop30h 13mAir Canada

Deal found 7/29

$406

Mon 9/296:20 pmICN - IAD

2 stops43h 03mMultiple Airlines

Deal found 7/29

$459

Sun 10/128:45 pmICN - IAD

1 stop34h 05mWestJet

Deal found 7/29

$521

Wed 9/107:55 amGMP - IAD

2 stops36h 38mJapan Airlines

Deal found 7/29

$594

Wed 9/107:55 amGMP - IAD

2 stops21h 55mMultiple Airlines

Deal found 7/30

$620

Tue 8/57:15 pmGMP - IAD

2 stops37h 04mEVA Air

Deal found 7/30

$945

Thu 12/112:25 pmGMP - IAD

2 stops30h 26mAir China

Deal found 7/28

$950

Wed 9/37:55 pmGMP - IAD

1 stop27h 10mANA

Deal found 7/29

$1,065

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Korea to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 9/12

6:00 pm-11:45 am

2 stops30h 45m

Washington, D.C. Dulles Intl

Thu 9/25

9:35 am-4:15 pm

1 stop17h 40m

$520

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 8/27

4:50 pm-6:52 pm

1 stop39h 02m

Washington, D.C. Dulles Intl

Fri 8/29

12:20 pm-3:50 pm

1 stop38h 30m

$630

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 9/10

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 12/5

11:05 am-10:30 pm

1 stop21h 25m

$968

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 10/21

12:45 pm-7:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Fri 10/24

11:00 pm-11:45 am

1 stop23h 45m

$1,043

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 10/21

12:45 pm-7:30 pm

1 stop19h 45m

Washington, D.C. Dulles Intl

Fri 10/24

11:00 pm-4:05 pm

2 stops28h 05m

$1,197

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Tue 9/2

9:15 pm-10:55 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 9/10

1:15 pm-7:45 am

1 stop29h 30m

$1,506

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

Wed 9/3

8:45 am-3:35 pm

2 stops43h 50m

Washington, D.C. Dulles Intl

Wed 9/10

6:30 pm-8:45 pm

2 stops37h 15m

$1,541

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 9/12

6:00 pm-11:13 am

1 stop30h 13m

$406

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 9/29

6:20 pm-12:23 am

2 stops43h 03m

$459

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sun 10/12

8:45 pm-5:50 pm

1 stop34h 05m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results

Best time to book a flight from South Korea to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Korea 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 South Korea to Washington, D.C. Dulles Intl Airport

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

Currently, July is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $306). Flying from South Korea to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from KR to IAD?

When flying from South Korea to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from South Korea to Washington, D.C. Dulles Intl Airport

The most flights from KR0 to IAD are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from South Korea to Washington, D.C. Dulles Intl Airport, such as EVA Air, ANA, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,222 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very good

922 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,121 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,536 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

KLM

7.8

Good

1,383 reviews

EVA Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from South Korea to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from South Korea to Washington, D.C. Dulles Intl Airport are Air Canada ($406), WestJet ($521), and Japan Airlines ($594).
What are the most popular routes from South Korea to Washington, D.C. Dulles Intl Airport?
While some choose either Seoul Gimpo Intl - Washington, D.C. Dulles Intl or Busan Gimhae - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C. Dulles Intl Airport.
What are the cheapest flights from South Korea to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $1,576 for a flight from South Korea to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $1,298 while the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl) is currently priced at $731.
Can I find deals for flights from South Korea to Dulles Intl that include hotel bookings?
Yes. In addition to deals on South Korea to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Dulles Intl.
Can I find deals for business class flights from South Korea to Dulles Intl?
Yes. Cheapflights offers flight deals from South Korea 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 South Korea to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Dulles Intl Airport (average of $306). Flying from South Korea to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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Top 5 airlines flying from South Korea to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$688	Average$964	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$724	Average$902	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$873	Average$965	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,223	Average$1,497	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,313	Average$1,577	FlexibilityNo cancel fee	On-timeN/A

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$406+ Cheap flights from South Korea to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Korea to Dulles Intl with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Korea to Dulles Intl

Keep the following information in mind while searching for South Korea to Dulles Intl flight deals. Data was last updated July 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Find flight deals from South Korea to Dulles Intl

Cheapest flights from South Korea to Dulles IntlExplore the most affordable flight options available from South Korea to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from South Korea to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Korea to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from South Korea to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Korea with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest time of day to fly from KR to IAD?

Find hourly flight availability from South Korea to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Weekly flight availability from South Korea to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from South Korea to Washington, D.C. Dulles Intl Airport, such as EVA Air, ANA, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from South Korea 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 are the cheapest airlines to fly from South Korea to Washington, D.C. Dulles Intl Airport one-way?

What are the most popular routes from South Korea to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from South Korea to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from South Korea to Dulles Intl that include hotel bookings?

How can I find direct flights from South Korea to Dulles Intl?

Can I find deals for business class flights from South Korea to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from South Korea to Dulles Intl

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Cheapest flights from South Korea to Dulles Intl
Explore the most affordable flight options available from South Korea to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.