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Washington, D.C.

$323+ Cheap flights from Incheon Intl (ICN) to Washington, D.C. (WAS)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — WAS
nov 30 — dez 71
dom 11/30
dom 12/7
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Washington, D.C. are usually found in December or November, booked 61 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Incheon Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated outubro 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Trip.com)

One-way from

$323
(Kiwi.com)

Popular in

July

Cheapest in

December

Average price

$900

Good round-trip deal

$1,392 or less

Good one-way deal

$1,080 or less
Provider with most accurate pricing for Incheon Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Washington, D.C. (WAS) flights.
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From Incheon Intl to Washington, D.C. (WAS)
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One-way flight from Incheon Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 19% potential increase in price ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Incheon Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Incheon Intl to Washington, D.C. (WAS).
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Find flight deals from Incheon Intl to Washington, D.C.

Cheapest flights from Incheon Intl to Washington, D.C.
Explore the most affordable flight options available from Incheon Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on outubro 31, 2025.

This Trip.com deal was found by Cheapflights users on 10/30. 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.
qui 11/136:55 pmICN - DCA
2 stops31h 24mAir Canada
qua 11/268:40 pmDCA - ICN
2 stops30h 30mAir Canada
Deal found 10/30$340
This Tourvis deal was found by Cheapflights users on 10/29. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/46:55 pmICN - DCA
2 stops31h 24mAir Canada
dom 11/912:55 pmDCA - ICN
2 stops38h 15mAir Canada
Deal found 10/29$352
This Tourvis deal was found by Cheapflights users on 10/30. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/236:55 pmICN - DCA
2 stops29h 31mAir Canada
sex 11/2812:55 pmDCA - ICN
2 stops38h 15mAir Canada
Deal found 10/30$353
This Hanatour deal was found by Cheapflights users on 10/29. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/206:55 pmICN - DCA
2 stops28h 00mAir Canada
seg 12/18:40 pmDCA - ICN
2 stops29h 20mAir Canada
Deal found 10/29$358
This Kissandfly.com deal was found by Cheapflights users on 10/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/138:10 pmICN - IAD
1 stop38h 16mAir Canada
qua 11/269:00 amIAD - ICN
2 stops42h 10mAir Canada
Deal found 10/30$362
This Hanatour deal was found by Cheapflights users on 10/29. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/226:55 pmICN - DCA
2 stops29h 31mAir Canada
sáb 11/296:59 amDCA - ICN
1 stop21h 26mAir Canada
Deal found 10/29$365
This Hanatour deal was found by Cheapflights users on 10/29. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/228:10 pmICN - IAD
1 stop33h 36mAir Canada
sáb 11/294:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 10/29$371
This Hanatour deal was found by Cheapflights users on 10/31. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/138:10 pmICN - IAD
1 stop38h 16mAir Canada
qui 11/274:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 10/31$372
This Hanatour deal was found by Cheapflights users on 10/29. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/208:10 pmICN - IAD
1 stop33h 36mAir Canada
seg 12/19:00 amIAD - ICN
1 stop19h 25mAir Canada
Deal found 10/29$384
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/236:55 pmICN - IAD
2 stops39h 59mAir Canada
sex 11/289:45 amIAD - ICN
2 stops41h 25mAir Canada
Deal found 10/30$437
This American Airlines deal was found by Cheapflights users on 10/30. 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.
qui 11/137:15 pmICN - BWI
1 stop17h 39mAmerican Airlines
qua 11/267:07 pmBWI - ICN
1 stop31h 38mAmerican Airlines
Deal found 10/30$476
This American Airlines deal was found by Cheapflights users on 10/30. 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.
qua 12/247:15 pmICN - BWI
2 stops36h 55mAmerican Airlines
ter 12/307:11 pmBWI - ICN
1 stop31h 34mAmerican Airlines
Deal found 10/30$478

Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Washington, D.C. 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 outubro 31, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Washington, D.C. that are best for you.

Fly from

Incheon Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

dom 11/23

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

sex 11/28

12:55 pm-5:10 pm

2 stops38h 15m

$353

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

qua 12/24

5:55 pm-10:35 pm

2 stops42h 40m

Washington, D.C. Reagan-National

seg 2/23

4:10 pm-5:10 pm

2 stops59h 00m

$441

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

qui 11/13

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

qui 11/27

6:50 pm-5:10 pm

2 stops32h 20m

$466

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

seg 2/2

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

sex 2/20

8:00 am-6:35 pm

1 stop20h 35m

$473

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sex 12/26

8:35 pm-6:13 am

1 stop23h 38m

Washington, D.C. Dulles Intl

qua 1/21

6:04 pm-6:35 pm

1 stop34h 31m

$475

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

qua 4/8

8:35 pm-5:49 am

1 stop22h 14m

Washington, D.C. Dulles Intl

qua 4/29

10:00 am-6:35 pm

1 stop19h 35m

$482

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

qui 2/19

8:35 pm-5:55 am

1 stop23h 20m

Washington, D.C. Dulles Intl

qui 3/5

7:00 am-6:35 pm

1 stop21h 35m

$482

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

ter 11/18

7:15 pm-10:14 am

2 stops28h 59m

Baltimore/Washington

ter 12/2

7:37 pm-4:45 pm

2 stops31h 08m

$491

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

sex 11/14

12:45 pm-9:43 pm

1 stop22h 58m

Washington, D.C. Reagan-National

qui 11/27

5:59 pm-5:40 am

1 stop21h 41m

$491

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

sex 3/13

11:45 am-5:19 pm

1 stop18h 34m

Baltimore/Washington

ter 3/17

6:25 pm-3:15 pm

1 stop31h 50m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 54 results
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Compare providers for flights from Incheon Intl to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to Washington, D.C.

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

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

Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $412). Flying from Incheon Intl Airport to Washington, D.C. in July is currently the most expensive (average of $954). 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 ICN to WAS?

Find hourly flight availability from Incheon Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated outubro 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Incheon Intl Airport to Washington, D.C. as you normally would.

How much does it cost to fly round-trip from Incheon Intl Airport to Washington, D.C.?

The best insider tips for Incheon Intl Airport to Washington, D.C. flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Washington, D.C. trip
Airports
ICN

Plan for extra time at security; lines can take up to 20 minutes, especially without fast track options.

Read more about ICNby Gabriel Leigh
IAD

Use the Silver Line Metro for a cheap, 40-minute ride to D.C. from IAD, just 5 minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated outubro 31, 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Washington, D.C., such as Korean Air, Asiana Airlines, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
7,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
8,995 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,385 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Incheon Intl Airport to Washington, D.C.?

    For as low as $491, Air Canada can have you in Washington, D.C. from Incheon Intl Airport in 28h 59m. The distance between Incheon Intl Airport and Washington, D.C. is about 6938 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Incheon Intl Airport to Washington, D.C. round-trip?

    According to our current data, American Airlines ($501), United Airlines ($519), and Air Canada ($688) offers the cheapest pricing from Incheon Intl Airport to Washington, D.C.. American Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

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

    The most popular flight routes from Incheon Intl Airport to Washington, D.C. are Incheon Intl - Washington, D.C. Dulles Intl, Incheon Intl - Baltimore/Washington and Incheon Intl - Washington, D.C. Reagan-National.

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

    While on average a flight from Incheon Intl Airport to Washington, D.C. is generally $1,330, our data shows the cheapest flight currently is $655. When looking at the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl), you can expect to pay $464 for that flight.

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

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

  • How can I find direct flights from Incheon Intl to Washington, D.C.?

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to Washington, D.C. 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 Incheon Intl Airport to Washington, D.C.?

    Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $412). Flying from Incheon Intl Airport to Washington, D.C. in July is currently the most expensive (average of $954). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Incheon Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Dulles Intl flights
Incheon Intl to Reagan-National flights

Top 5 airlines flying from Incheon Intl to Washington, D.C.

Discover the top 5 airlines that operate flights from Incheon Intl to Washington, D.C.. 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 outubro 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$964FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$508Average$738FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$1,519FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$688Average$973FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,185Average$1,407FlexibilityNo cancel feeOn-time81%

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