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$441+ Cheap flights from Dulles Intl (IAD) to South Korea

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.
IAD — ICN
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to South Korea

Keep the following information in mind while searching for Dulles Intl to South Korea flight deals. Data was last updated julio 29, 2025.

Round-trip from

$1,093
(Air Canada)

One-way from

$441
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,538

Good round-trip deal

$1,027 or less

Good one-way deal

$491 or less
From Washington, D.C. Dulles Intl to South Korea
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One-way flight from Washington, D.C. Dulles Intl to South Korea
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Highest demand for flights based on searches. 17% potential increase in price ($286 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 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 Washington, D.C. Dulles Intl to South Korea.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to South Korea.
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Find flight deals from Dulles Intl to South Korea

Cheapest flights from Dulles Intl to South Korea
Explore the most affordable flight options available from Dulles Intl to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/139:00 amIAD - ICN
1 stop20h 35mHawaiian Airlines
vie. 9/268:35 pmICN - IAD
1 stop23h 58mHawaiian Airlines
Deal found 7/29$1,094
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/149:00 amIAD - ICN
1 stop20h 35mAlaska Airlines
dom. 9/218:35 pmICN - IAD
1 stop23h 58mAlaska Airlines
Deal found 7/28$1,099
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/41:30 pmIAD - ICN
1 stop30h 10mTurkish Airlines
vie. 10/2411:20 pmICN - IAD
1 stop25h 25mTurkish Airlines
Deal found 7/28$1,104
This Gotogate deal was found by Cheapflights users on 7/28. 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. 9/155:37 pmIAD - ICN
2 stops33h 28mAir Canada
vie. 9/196:00 pmICN - IAD
2 stops28h 38mAir Canada
Deal found 7/28$1,111
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/189:00 amIAD - ICN
1 stop20h 35mMultiple Airlines
lun. 9/226:20 pmICN - IAD
2 stops35h 32mMultiple Airlines
Deal found 7/28$1,114
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/210:20 amIAD - GMP
2 stops23h 05mMultiple Airlines
mar. 9/169:00 amGMP - IAD
2 stops34h 31mMultiple Airlines
Deal found 7/28$1,157
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:13 pmIAD - PUS
2 stops33h 27mEVA Air
mar. 12/26:55 pmPUS - IAD
2 stops25h 00mEVA Air
Deal found 7/27$1,226
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/1411:00 pmIAD - PUS
1 stop23h 45mAir China
vie. 10/3112:45 pmPUS - IAD
1 stop19h 45mAir China
Deal found 7/27$1,295
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/211:00 pmIAD - GMP
1 stop25h 05mAir China
mar. 9/98:35 amGMP - IAD
1 stop23h 55mAir China
Deal found 7/27$1,322
This flugladen.de deal was found by Cheapflights users on 7/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/101:30 pmIAD - TAE
3 stops66h 05mMultiple Airlines
mié. 9/177:05 amTAE - IAD
3 stops65h 40mMultiple Airlines
Deal found 7/27$1,374
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/312:15 pmIAD - PUS
1 stop35h 35mMultiple Airlines
dom. 8/177:50 pmPUS - IAD
2 stops57h 35mMultiple Airlines
Deal found 7/28$1,457
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/912:15 pmIAD - GMP
1 stop21h 05mANA
mar. 9/1612:40 pmGMP - IAD
1 stop34h 25mANA
Deal found 7/29$1,603

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to South Korea 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 julio 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Korea that are best for you.

Fly from

Dulles Intl

Fly to

South Korea

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

vie. 12/12

9:00 am-6:25 pm

1 stop19h 25m

Incheon Intl

sáb. 12/27

8:10 pm-11:01 am

2 stops28h 51m

$1,093

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sáb. 9/13

9:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

vie. 9/26

8:35 pm-7:33 am

1 stop23h 58m

$1,094

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

dom. 9/14

9:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

dom. 9/21

8:35 pm-7:33 am

1 stop23h 58m

$1,099

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sáb. 11/22

9:10 pm-9:05 am

1 stop21h 55m

Incheon Intl

dom. 12/7

12:10 am-7:15 pm

1 stop33h 05m

$1,102

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

lun. 8/25

6:45 pm-12:30 pm

3 stops28h 45m

Incheon Intl

lun. 9/15

8:45 pm-9:38 am

2 stops25h 53m

$1,103

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mar. 9/2

10:20 am-10:25 pm

2 stops23h 05m

Seoul Gimpo Intl

mar. 9/16

9:00 am-6:31 am

2 stops34h 31m

$1,157

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

mar. 10/14

11:00 pm-11:45 am

1 stop23h 45m

Busan Gimhae

vie. 10/31

12:45 pm-7:30 pm

1 stop19h 45m

$1,295

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mar. 9/2

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

mar. 9/9

8:35 am-7:30 pm

1 stop23h 55m

$1,322

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

mié. 9/10

1:30 pm-8:35 pm

3 stops66h 05m

Daegu

mié. 9/17

7:05 am-11:45 am

3 stops65h 40m

$1,374

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

dom. 8/3

12:15 pm-12:50 pm

1 stop35h 35m

Busan Gimhae

dom. 8/17

7:50 pm-4:25 pm

2 stops57h 35m

$1,457

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 28 results
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Best time to book a flight from Dulles Intl to South Korea

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Korea (average of $998). Flying from Washington, D.C. Dulles Intl Airport to South Korea in December is currently the most expensive (average of $1,635). 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 IAD to KR?

Find hourly flight availability from Dulles Intl to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to South Korea, 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 Washington, D.C. Dulles Intl Airport to South Korea

Explore weekly flight availability from Dulles Intl to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 29, 2025.

The most flights from IAD to KR0 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 South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated julio 29, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to South Korea, 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
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,221 reviews
EVA Air
8.4
Very good
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ANA
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Alaska Airlines
8.0
Very good
10,000 reviews
EVA Air
8.4
Very good
1,221 reviews

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $441. Users have also found prices from $515 and $551 on Turkish Airlines and Air Canada, respectively.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to South Korea is Washington, D.C. Dulles Intl - Incheon Intl. You may also consider Washington, D.C. Dulles Intl - Seoul Gimpo Intl or Washington, D.C. Dulles Intl - Jeju City.

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

    Looking at all options, your cheapest flight can be booked for $398. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $889 on average our data indicates $2,806 when flying from Washington, D.C. Dulles Intl Airport to South Korea.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to South Korea 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 Washington, D.C. Dulles Intl Airport to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Korea (average of $998). Flying from Washington, D.C. Dulles Intl Airport to South Korea in December is currently the most expensive (average of $1,635). 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

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Alternative routes for Dulles Intl to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Mumbai flights
Reagan-National to Ho Chi Minh City flights
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Dulles Intl to Ahmedabad flights
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Reagan-National to Incheon Intl flights
Baltimore to Ho Chi Minh City flights
Dulles Intl to Taiwan Taoyuan Intl flights
Dulles Intl to Chennai flights
Dulles Intl to Hongqiao Intl flights
Baltimore to Incheon Intl flights
Dulles Intl to Denpasar flights
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Dulles Intl to Kathmandu flights
Dulles Intl to Hong Kong flights
Baltimore to Hong Kong flights
Baltimore to Denpasar flights
Baltimore to Taiwan Taoyuan Intl flights
Reagan-National to Denpasar flights
Dulles Intl to Singapore flights
Dulles Intl to Dhaka flights
Reagan-National to Taiwan Taoyuan Intl flights
Reagan-National to Hongqiao Intl flights
Reagan-National to Chennai flights

Top 8 airlines flying from Dulles Intl to South Korea

Discover the top 8 airlines that operate flights from Dulles Intl to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$367Average$1,896FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$591Average$1,121FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$759Average$1,530FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$800Average$997FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,185FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,265FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,535Average$2,018FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,575Average$2,097FlexibilityNo cancel feeOn-timeN/A

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