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$482+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ICN
abr 2 — abr 91
qua 4/2
qua 4/9
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 março 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$785
(Air China)

One-way from

$491
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$1,081

Good round-trip deal

$1,389 or less

Good one-way deal

$592 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
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From Washington, D.C. Dulles Intl to South Korea
Search Deals
One-way flight from Washington, D.C. Dulles Intl to South Korea
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($363 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in March 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 março 28, 2025.

This Air China deal was found by Cheapflights users on 3/27. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/2611:00 pmIAD - ICN
1 stop25h 40mAir China
sáb 5/31:05 pmICN - IAD
1 stop19h 25mAir China
Deal found 3/27$785
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/211:30 pmIAD - ICN
1 stop39h 10mTurkish Airlines
ter 6/2411:20 pmICN - IAD
1 stop33h 25mTurkish Airlines
Deal found 3/27$892
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/107:00 amIAD - ICN
1 stop24h 30mMultiple Airlines
sáb 5/176:20 pmICN - IAD
1 stop24h 35mMultiple Airlines
Deal found 3/27$962
This Justfly.com deal was found by Cheapflights users on 3/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 7/46:45 pmIAD - ICN
1 stop35h 00mWestJet
qui 7/178:45 pmICN - IAD
1 stop34h 09mWestJet
Deal found 3/27$1,130
This oojo deal was found by Cheapflights users on 3/27. 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.
ter 4/225:38 pmIAD - ICN
2 stops36h 27mCathay Pacific
seg 4/283:10 pmICN - IAD
2 stops37h 50mCathay Pacific
Deal found 3/27$1,134
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 4/155:44 pmIAD - ICN
2 stops33h 21mAir Canada
qua 5/285:45 pmICN - IAD
2 stops27h 09mAir Canada
Deal found 3/27$1,214
This Ovago deal was found by Cheapflights users on 3/25. 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.
sáb 4/511:00 pmIAD - GMP
1 stop25h 05mAir China
sáb 4/128:35 amGMP - IAD
1 stop23h 55mAir China
Deal found 3/25$1,285
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
ter 4/1511:00 pmIAD - GMP
1 stop25h 05mMultiple Airlines
seg 4/288:35 amGMP - IAD
2 stops40h 10mMultiple Airlines
Deal found 3/26$1,381
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/26:50 pmIAD - PUS
3 stops33h 00mMultiple Airlines
sex 6/1312:45 pmPUS - IAD
1 stop19h 45mMultiple Airlines
Deal found 3/27$1,583
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/221:15 pmIAD - GMP
2 stops32h 50mANA
qua 10/157:55 pmGMP - IAD
1 stop27h 10mANA
Deal found 3/27$1,606
This KAYAK deal was found by Cheapflights users on 3/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/17:00 amIAD - GMP
2 stops25h 50mJapan Airlines
ter 9/97:55 amGMP - IAD
2 stops36h 37mJapan Airlines
Deal found 3/25$1,690
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 5/182:25 pmIAD - CJU
3 stops33h 05mMultiple Airlines
sex 5/307:55 amCJU - IAD
2 stops24h 35mMultiple Airlines
Deal found 3/27$1,725

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 março 28, 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

sáb 4/26

11:00 pm-1:40 pm

1 stop25h 40m

Incheon Intl

sáb 5/3

1:05 pm-7:30 pm

1 stop19h 25m

$785

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

seg 4/21

1:30 pm-5:40 pm

1 stop39h 10m

Incheon Intl

ter 6/24

11:20 pm-7:45 pm

1 stop33h 25m

$892

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sáb 5/10

7:00 am-8:30 pm

1 stop24h 30m

Incheon Intl

sáb 5/17

6:20 pm-5:55 am

1 stop24h 35m

$962

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sex 7/4

6:45 pm-6:45 pm

1 stop35h 00m

Incheon Intl

qui 7/17

8:45 pm-5:54 pm

1 stop34h 09m

$1,130

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

ter 4/22

5:38 pm-7:05 pm

2 stops36h 27m

Incheon Intl

seg 4/28

3:10 pm-4:00 pm

2 stops37h 50m

$1,134

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

ter 4/15

5:44 pm-4:05 pm

2 stops33h 21m

Incheon Intl

qua 5/28

5:45 pm-7:54 am

2 stops27h 09m

$1,214

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

sáb 4/5

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

sáb 4/12

8:35 am-7:30 pm

1 stop23h 55m

$1,285

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

ter 4/15

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

seg 4/28

8:35 am-11:45 am

2 stops40h 10m

$1,381

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

seg 6/2

6:50 pm-4:50 pm

3 stops33h 00m

Busan Gimhae

sex 6/13

12:45 pm-7:30 pm

1 stop19h 45m

$1,583

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

ter 4/22

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

ter 4/29

12:40 pm-10:05 am

1 stop34h 25m

$1,611

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 32 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 $1,002). Flying from Washington, D.C. Dulles Intl Airport to South Korea in June is currently the most expensive (average of $1,661). 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 março 28, 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.

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 março 28, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to South Korea, such as Korean Air, Japan Airlines and ANA. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,050 reviews
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
829 reviews
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,897 reviews
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
9,798 reviews
Korean Air
8.4
Very good
1,050 reviews

Entertainment

8.2

Overall

8.4

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 Air China. According to our data, you can fly for as low as $491. Users have also found prices from $494 and $526 on WestJet and Turkish Airlines, 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 - Busan Gimhae.

  • 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 $563. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $860 on average our data indicates $3,259 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 $1,002). Flying from Washington, D.C. Dulles Intl Airport to South Korea in June is currently the most expensive (average of $1,661). 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.
Dulles Intl to Haneda flights
Dulles Intl to Narita flights
Reagan-National to Haneda flights
Reagan-National to Narita flights
Dulles Intl to Incheon Intl flights
Baltimore to Narita flights
Baltimore to Haneda flights
Dulles Intl to Suvarnabhumi flights
Dulles Intl to Hyderabad flights
Reagan-National to Hyderabad flights
Baltimore to Hyderabad flights
Dulles Intl to Manila flights
Reagan-National to Suvarnabhumi flights
Dulles Intl to Bangalore flights
Baltimore to Suvarnabhumi flights
Reagan-National to Incheon Intl flights
Dulles Intl to Taiwan Taoyuan Intl flights
Dulles Intl to Ho Chi Minh City flights
Baltimore to Incheon Intl flights
Baltimore to Bangalore flights
Reagan-National to Bangalore flights
Reagan-National to Manila flights
Dulles Intl to New Delhi flights
Dulles Intl to Gimpo Intl flights
Dulles Intl to Hongqiao Intl flights
Reagan-National to New Delhi flights
Dulles Intl to Mumbai flights
Baltimore to Manila flights
Dulles Intl to Capital flights
Reagan-National to Taiwan Taoyuan Intl flights
Dulles Intl to Denpasar flights
Baltimore to Taiwan Taoyuan Intl flights
Reagan-National to Denpasar flights
Baltimore to Denpasar flights
Baltimore to Mumbai flights
Reagan-National to Gimpo Intl flights
Baltimore to New Delhi flights
Reagan-National to Mumbai flights
Reagan-National to Hongqiao Intl flights
Dulles Intl to Chennai flights
Reagan-National to Capital flights
Baltimore to Ho Chi Minh City flights
Dulles Intl to Sung Shan flights
Reagan-National to Ho Chi Minh City flights
Dulles Intl to Lahore flights
Dulles Intl to Islamabad flights
Dulles Intl to Pu Dong flights
Baltimore to Capital flights
Reagan-National to Chennai flights
Baltimore to Chennai flights

Top 9 airlines flying from Dulles Intl to South Korea

Discover the top 9 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 março 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$802Average$1,070FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,193FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,164FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$1,312Average$1,958FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,548Average$1,933FlexibilityNo cancel feeOn-time81%
KLMCheapest$1,559Average$1,787FlexibilityNo cancel feeOn-time75%
DeltaCheapest$1,575Average$1,974FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$1,583Average$1,710FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$1,605Average$2,279FlexibilityNo cancel feeOn-time69%
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