South Korea

$467+ Cheap flights from Washington, D.C. (WAS) 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
May 5 — May 121
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Cheap flight deals from Washington, D.C. to South Korea

Keep the following information in mind while searching for Washington, D.C. to South Korea flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$882
(CrystalTravel)

One-way from

$467
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,233

Good round-trip deal

$1,177 or less

Good one-way deal

$657 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
From Washington, D.C. (WAS) to South Korea
One-way flight from Washington, D.C. (WAS) to South Korea
Highest demand for flights based on searches. 19% potential increase in price ($334 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to South Korea.
Price to beat on a one-way flight from Washington, D.C. (WAS) to South Korea.

Find flight deals from Washington, D.C. to South Korea

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

This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:40 pmIAD - ICN
1 stop31h 00mTurkish Airlines
Fri 9/1211:20 pmICN - IAD
1 stop25h 25mTurkish Airlines
Deal found 4/28$882
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:45 amIAD - ICN
2 stops23h 45mMultiple Airlines
Wed 5/216:20 pmICN - IAD
1 stop37h 39mMultiple Airlines
Deal found 4/29$968
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:17 amBWI - ICN
2 stops48h 13mMultiple Airlines
Thu 5/2212:45 pmICN - BWI
1 stop19h 54mMultiple Airlines
Deal found 4/29$983
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:00 pmDCA - ICN
2 stops42h 30mMultiple Airlines
Fri 5/3012:45 pmICN - DCA
1 stop21h 14mMultiple Airlines
Deal found 4/29$1,042
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:38 pmIAD - ICN
2 stops30h 02mCathay Pacific
Wed 6/183:10 pmICN - IAD
2 stops28h 40mCathay Pacific
Deal found 4/29$1,061
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:09 pmDCA - ICN
2 stops50h 56mCathay Pacific
Sun 9/148:05 pmICN - DCA
2 stops25h 58mCathay Pacific
Deal found 4/29$1,084
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:56 pmBWI - ICN
1 stop20h 24mUnited Airlines
Tue 10/2111:30 amICN - BWI
1 stop22h 59mUnited Airlines
Deal found 4/29$1,178
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:45 amIAD - ICN
1 stop17h 30mAir Canada
Sat 10/255:45 pmICN - IAD
2 stops26h 50mAir Canada
Deal found 4/29$1,181
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:00 pmIAD - ICN
1 stop23h 35mAir China
Tue 9/1610:50 amICN - IAD
1 stop21h 40mAir China
Deal found 4/29$1,235
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:47 amBWI - ICN
2 stops42h 18mCathay Pacific
Sun 8/311:40 pmICN - BWI
2 stops47h 19mCathay Pacific
Deal found 4/28$1,248
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:19 amBWI - ICN
2 stops23h 26mWestJet
Thu 9/188:45 pmICN - BWI
2 stops27h 22mWestJet
Deal found 4/29$1,265
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:35 pmDCA - ICN
2 stops34h 30mAir Canada
Tue 2/176:50 pmICN - DCA
2 stops29h 29mAir Canada
Deal found 4/29$1,280

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 April 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to South Korea that are best for you.

Fly from

Washington, D.C.

Fly to

South Korea

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 9/3

9:40 pm-5:40 pm

1 stop31h 00m

Incheon Intl

Fri 9/12

11:20 pm-11:45 am

1 stop25h 25m

$882

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 5/13

5:00 pm-8:30 pm

2 stops38h 30m

Incheon Intl

Wed 5/21

6:20 pm-5:55 am

1 stop24h 35m

$906

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Tue 5/13

7:17 am-8:30 pm

2 stops48h 13m

Incheon Intl

Thu 5/22

12:45 pm-7:39 pm

1 stop19h 54m

$983

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 5/13

1:00 pm-8:30 pm

2 stops42h 30m

Incheon Intl

Fri 5/30

12:45 pm-8:59 pm

1 stop21h 14m

$1,042

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 8/31

10:09 pm-2:05 pm

2 stops50h 56m

Incheon Intl

Sun 9/14

8:05 pm-9:03 am

2 stops25h 58m

$1,084

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 5/20

7:25 pm-2:05 pm

2 stops29h 40m

Incheon Intl

Wed 5/28

10:10 am-5:55 am

2 stops32h 45m

$1,104

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Tue 9/16

6:56 pm-4:20 am

1 stop20h 24m

Incheon Intl

Tue 10/21

11:30 am-9:29 pm

1 stop22h 59m

$1,178

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 7/8

9:45 am-4:15 pm

1 stop17h 30m

Incheon Intl

Sat 10/25

5:45 pm-7:35 am

2 stops26h 50m

$1,181

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 9/9

11:00 pm-11:35 am

1 stop23h 35m

Incheon Intl

Tue 9/16

10:50 am-7:30 pm

1 stop21h 40m

$1,235

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Thu 8/21

11:47 am-7:05 pm

2 stops42h 18m

Incheon Intl

Sun 8/31

1:40 pm-11:59 pm

2 stops47h 19m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to South Korea

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $1,001). Flying from Washington, D.C. 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 WAS to KR?

Find hourly flight availability from Washington, D.C. 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 April 30, 2025.

When flying from Washington, D.C. 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. to South Korea

Explore weekly flight availability from Washington, D.C. 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 April 30, 2025.

The most flights from WAS 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).

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 April 30, 2025.
To help decide which airline to fly from Washington, D.C. to South Korea, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

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

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

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 Washington, D.C. 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. to South Korea one-way?

    One-way options have recently been found by users for as low as $507 on WestJet. Other airlines that offer cheap prices include Turkish Airlines from $528 and Cathay Pacific from $571 one-way.

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

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

    Looking at all options, your cheapest flight can be booked for $391. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $882 on average our data indicates $3,217 when flying from Washington, D.C. to South Korea.

  • Can I find deals for flights from Washington, D.C. to South Korea that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to South Korea?

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

  • Can I find deals for business class flights from Washington, D.C. to South Korea?

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $1,001). Flying from Washington, D.C. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to South Korea

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

Top 9 airlines flying from Washington, D.C. to South Korea

Discover the top 9 airlines that operate flights from Washington, D.C. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$591Average$747FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$660Average$1,755FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$807Average$1,053FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$865Average$1,266FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,303FlexibilityNo cancel feeOn-time71%
DeltaCheapest$877Average$1,836FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,077Average$1,849FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,298Average$2,023FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$1,698Average$1,707FlexibilityNo cancel feeOn-time77%

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