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Washington, D.C.

$423+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — WAS
Dec 31 — Jan 71
Tue 12/31
Tue 1/7
1 adult, Economy
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The best prices from Incheon Intl to Washington, D.C. are usually found in November or October, booked 53 days in advance, depart on a Sunday or Wednesday and return on a Thursday

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 December 26, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$695
(American Airlines)

One-way from

$423
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,015
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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High demand for flights, 17% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in December 2024
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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 December 26, 2024.

This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:00 pmICN - BWI
1 stop28h 07mUnited Airlines
Fri 1/106:15 amBWI - ICN
1 stop20h 00mUnited Airlines
Deal found 12/26$718
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2712:45 pmICN - IAD
2 stops20h 19mUnited Airlines
Wed 1/1512:51 pmIAD - ICN
2 stops26h 49mUnited Airlines
Deal found 12/25$895
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2712:45 pmICN - DCA
1 stop18h 07mUnited Airlines
Tue 3/185:56 pmDCA - ICN
1 stop21h 44mUnited Airlines
Deal found 12/25$895
This Gotogate deal was found by Cheapflights users on 12/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:55 pmICN - DCA
2 stops57h 25mAir Canada
Fri 1/34:10 pmDCA - ICN
2 stops57h 05mAir Canada
Deal found 12/26$1,352
This Justfly.com deal was found by Cheapflights users on 12/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:15 amICN - IAD
Nonstop13h 35mKorean Air
Wed 1/2912:05 pmIAD - ICN
1 stop28h 25mKorean Air
Deal found 12/26$1,460
This Gotogate deal was found by Cheapflights users on 12/24. 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.
Sun 12/2912:20 amICN - IAD
1 stop30h 05mEtihad Airways
Mon 2/179:30 pmIAD - ICN
1 stop23h 45mEtihad Airways
Deal found 12/24$1,509
This Delta deal was found by Cheapflights users on 12/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:30 pmICN - IAD
1 stop18h 28mDelta
Sun 12/2911:50 amIAD - ICN
Nonstop15h 50mDelta
Deal found 12/25$1,537
This Gotogate deal was found by Cheapflights users on 12/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:30 amICN - IAD
2 stops45h 30mEthiopian Air
Thu 1/28:40 pmIAD - ICN
2 stops29h 05mEthiopian Air
Deal found 12/26$1,565
This Gotogate deal was found by Cheapflights users on 12/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:10 amICN - IAD
1 stop26h 05mTurkish Airlines
Thu 1/29:25 pmIAD - ICN
1 stop21h 40mTurkish Airlines
Deal found 12/25$1,572
This Korean Air deal was found by Cheapflights users on 12/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:35 amICN - BWI
1 stop16h 09mKorean Air
Tue 3/188:10 amBWI - ICN
1 stop18h 40mKorean Air
Deal found 12/25$1,636
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:10 amICN - IAD
1 stop26h 05mMultiple Airlines
Tue 1/145:25 pmIAD - ICN
2 stops37h 05mMultiple Airlines
Deal found 12/25$1,700
This Agoda.com deal was found by Cheapflights users on 12/25. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:30 pmICN - DCA
1 stop16h 30mKorean Air
Sun 12/296:05 amDCA - ICN
1 stop19h 45mKorean Air
Deal found 12/25$1,709

Find flights from Incheon Intl to Washington, D.C. within your budget

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 December 26, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 2/3

6:50 pm-11:27 pm

1 stop18h 37m

Baltimore/Washington

Mon 2/10

3:03 pm-4:45 pm

1 stop35h 42m

$695

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 2/18

12:45 pm-11:21 pm

2 stops24h 36m

Baltimore/Washington

Wed 4/30

6:34 pm-4:20 am

1 stop20h 46m

$717

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 2/28

6:50 pm-10:33 pm

1 stop17h 43m

Washington, D.C. Dulles Intl

Thu 3/13

6:18 am-3:55 pm

1 stop20h 37m

$871

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/30

4:55 pm-3:13 pm

2 stops36h 18m

Washington, D.C. Dulles Intl

Sat 2/8

8:18 am-3:15 pm

2 stops64h 57m

$882

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/23

12:45 pm-7:27 pm

1 stop20h 42m

Washington, D.C. Dulles Intl

Fri 2/7

12:51 pm-5:40 am

2 stops26h 49m

$894

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 4/8

11:30 am-9:30 pm

1 stop23h 00m

Washington, D.C. Reagan-National

Tue 4/15

5:59 pm-4:20 am

1 stop21h 21m

$894

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 2/11

7:30 pm-11:53 pm

1 stop18h 23m

Baltimore/Washington

Wed 2/26

6:00 am-3:30 pm

1 stop19h 30m

$921

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 3/27

7:10 pm-8:57 am

1 stop26h 47m

Washington, D.C. Reagan-National

Thu 4/3

9:40 am-5:30 pm

1 stop18h 50m

$929

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sat 1/25

6:50 pm-12:45 am

1 stop19h 55m

Washington, D.C. Reagan-National

Mon 2/3

5:00 am-4:45 pm

1 stop21h 45m

$947

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

2:40 pm-9:09 pm

1 stop19h 29m

Washington, D.C. Dulles Intl

Sat 5/24

10:00 am-5:45 pm

1 stop18h 45m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 58 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Incheon Intl to Washington, D.C.

Get recent, data-driven insights about flights from Incheon Intl to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Incheon Intl Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Washington, D.C.. Price data was last updated on December 20, 2024.

The best time to book flights from Incheon Intl Airport to Washington, D.C. is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $241). Flying from Incheon Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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 December 26, 2024.

When flying from Incheon Intl Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 33% versus a flight in the morning.

Weekly flight availability from Incheon Intl Airport to Washington, D.C.

Explore weekly flight availability from Incheon Intl to Washington, D.C.. 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 December 26, 2024.

The most flights from ICN to WAS 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 Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 December 26, 2024.
Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as United Airlines, Emirates and Korean Air. 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
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,025 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
470 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very good
3,393 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,329 reviews
Korean Air
8.4
Very good
1,025 reviews

Boarding

8.5

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

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

    According to our current data, American Airlines ($695), United Airlines ($717), and Air Canada ($882) offers the cheapest pricing from Incheon Intl Airport to Washington, D.C.. American Airlines is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $435. United Airlines flights start at $446 while deals on Air China start at $455 one-way.

  • 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.

  • 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $241). Flying from Incheon Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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.

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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 December 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$693Average$947FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$727Average$1,195FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$853Average$1,181FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,127Average$1,581FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,395Average$1,683FlexibilityNo cancel feeOn-timeN/A
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