South Korea

$396+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to South Korea with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$868
(Kiwi.com)

One-way from

$396
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,850

Good round-trip deal

$1,046 or less

Good one-way deal

$624 or less
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. 20% potential increase in price ($344 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/35:45 amBWI - ICN
2 stops50h 50mMultiple Airlines
Sat 9/1312:45 pmICN - BWI
1 stop21h 17mMultiple Airlines
Deal found 6/11$868
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 10/318:30 amBWI - ICN
1 stop31h 10mUnited Airlines
Tue 11/1812:45 pmICN - BWI
2 stops23h 56mUnited Airlines
Deal found 6/11$1,166
This Japan Airlines deal was found by Cheapflights users on 6/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:00 amBWI - GMP
2 stops39h 45mJapan Airlines
Sat 9/137:55 amGMP - BWI
2 stops22h 56mJapan Airlines
Deal found 6/10$1,171
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Wed 9/105:40 amBWI - ICN
2 stops24h 05mWestJet
Fri 9/198:45 pmICN - BWI
2 stops27h 22mWestJet
Deal found 6/11$1,182
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 8/236:25 pmBWI - ICN
1 stop30h 45mDelta
Sun 12/217:25 pmICN - BWI
1 stop19h 15mDelta
Deal found 6/10$1,185
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:38 amBWI - ICN
1 stop19h 52mAmerican Airlines
Tue 10/286:50 pmICN - BWI
1 stop30h 14mAmerican Airlines
Deal found 6/12$1,187
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Mon 9/19:40 pmIAD - ICN
1 stop22h 00mMultiple Airlines
Sun 9/2112:35 amICN - IAD
2 stops32h 30mMultiple Airlines
Deal found 6/10$1,265
This oojo deal was found by Cheapflights users on 6/10. 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.
Wed 9/178:59 amDCA - PUS
2 stops45h 01mChina Airlines
Tue 10/1412:15 pmPUS - DCA
2 stops45h 59mChina Airlines
Deal found 6/10$1,278
This oojo deal was found by Cheapflights users on 6/10. 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.
Mon 9/16:30 amDCA - ICN
2 stops42h 35mCathay Pacific
Mon 9/2210:10 amICN - DCA
2 stops34h 48mCathay Pacific
Deal found 6/10$1,295
This Justfly.com deal was found by Cheapflights users on 6/10. 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.
Tue 10/141:30 pmIAD - ICN
1 stop39h 10mTurkish Airlines
Mon 10/2712:10 amICN - IAD
1 stop25h 00mTurkish Airlines
Deal found 6/10$1,307
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/1012:55 pmDCA - ICN
3 stops38h 10mMultiple Airlines
Tue 7/229:05 pmICN - DCA
2 stops27h 58mMultiple Airlines
Deal found 6/10$1,312
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Wed 10/14:35 pmDCA - ICN
1 stop34h 40mAir Canada
Thu 10/165:45 pmICN - DCA
2 stops29h 35mAir Canada
Deal found 6/12$1,314

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 June 12, 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

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Wed 9/3

5:45 am-9:35 pm

2 stops50h 50m

Incheon Intl

Sat 9/13

12:45 pm-9:02 pm

1 stop21h 17m

$868

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Fri 10/31

8:30 am-3:15 pm

1 stop41h 45m

Incheon Intl

Tue 11/18

12:45 pm-5:28 pm

1 stop18h 43m

$1,166

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Sun 8/24

6:00 am-10:45 am

2 stops39h 45m

Seoul Gimpo Intl

Sat 9/13

7:55 am-5:51 pm

2 stops22h 56m

$1,171

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Wed 9/10

5:40 am-6:45 pm

2 stops24h 05m

Incheon Intl

Fri 9/19

8:45 pm-11:07 am

2 stops27h 22m

$1,182

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Sat 8/23

6:25 pm-2:10 pm

1 stop30h 45m

Incheon Intl

Sun 12/21

7:25 pm-12:40 am

1 stop19h 15m

$1,185

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Tue 10/14

6:38 am-3:30 pm

1 stop19h 52m

Incheon Intl

Tue 10/28

6:50 pm-12:04 pm

1 stop30h 14m

$1,187

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 9/1

9:40 pm-8:40 am

1 stop22h 00m

Incheon Intl

Sun 9/21

12:35 am-8:05 pm

2 stops32h 30m

$1,265

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/1

6:30 am-2:05 pm

2 stops42h 35m

Incheon Intl

Mon 9/22

10:10 am-7:58 am

2 stops34h 48m

$1,295

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 7/10

12:55 pm-4:05 pm

3 stops38h 10m

Incheon Intl

Tue 7/22

9:05 pm-12:03 pm

2 stops27h 58m

$1,312

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 10/1

4:35 pm-4:15 pm

1 stop34h 40m

Incheon Intl

Thu 10/16

5:45 pm-10:20 am

2 stops29h 35m

$1,314

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
1
2
3
...
6

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 $1,000). 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 June 12, 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 June 12, 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 June 12, 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.

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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
8.3
Very good

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Entertainment

8.0

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

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 $592 on Turkish Airlines. Other airlines that offer cheap prices include Air Canada from $605 and WestJet from $634 one-way.

  • What are the most popular routes 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 $1,000). 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 8 airlines flying from Washington, D.C. to South Korea

Discover the top 8 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$367Average$1,824FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$591Average$747FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$759Average$1,597FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$809Average$1,040FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$865Average$1,268FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,286FlexibilityNo cancel feeOn-time71%
DeltaCheapest$877Average$1,821FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,074Average$1,834FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.