Incheon Intl

$452+ Cheap flights from Washington, D.C. (WAS) to Incheon Intl (ICN)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
Jan 26 — Feb 21
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The best prices from Washington, D.C. to Incheon Intl are usually found in January or November, booked 38 days in advance, depart on a Sunday or Wednesday and return on a Friday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Incheon Intl (ICN). 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(Trip.com)

One-way from

$452
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,087

Good round-trip deal

$1,294 or less

Good one-way deal

$863 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Incheon Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Incheon Intl flights.
From Washington, D.C. (WAS) to Incheon Intl
One-way flight from Washington, D.C. (WAS) to Incheon Intl
Highest demand for flights based on searches. 18% potential increase in price ($328 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Incheon Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Incheon Intl.

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

Cheapest flights from Washington, D.C. to Incheon Intl
Explore the most affordable flight options available from Washington, D.C. to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 2/205:09 amDCA - ICN
2 stops21h 36mAmerican Airlines
Wed 3/56:50 pmICN - DCA
2 stops26h 37mAmerican Airlines
Deal found 1/21$876
This Trip.com deal was found by Cheapflights users on 1/21. 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 3/37:00 amDCA - ICN
2 stops32h 30mMultiple Airlines
Mon 3/104:40 pmICN - DCA
2 stops32h 23mMultiple Airlines
Deal found 1/21$892
This CrystalTravel deal was found by Cheapflights users on 1/21. 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.
Mon 2/179:25 pmIAD - ICN
1 stop30h 55mTurkish Airlines
Sun 3/212:10 amICN - IAD
1 stop33h 20mTurkish Airlines
Deal found 1/21$958
This Mytrip deal was found by Cheapflights users on 1/20. 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 3/67:00 amBWI - ICN
2 stops32h 40mMultiple Airlines
Tue 3/188:25 amICN - BWI
3 stops34h 25mMultiple Airlines
Deal found 1/20$972
This Trip.com deal was found by Cheapflights users on 1/21. 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.
Wed 3/267:00 amIAD - ICN
1 stop24h 30mMultiple Airlines
Wed 4/235:30 pmICN - IAD
2 stops27h 13mMultiple Airlines
Deal found 1/21$1,012
This Flighttix deal was found by Cheapflights users on 1/21. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/208:53 pmDCA - ICN
2 stops29h 52mBritish Airways
Wed 3/56:50 pmICN - DCA
2 stops25h 44mBritish Airways
Deal found 1/21$1,076
This oojo deal was found by Cheapflights users on 1/20. 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 4/86:00 pmIAD - ICN
2 stops28h 35mAir China
Fri 4/255:50 pmICN - IAD
1 stop34h 50mAir China
Deal found 1/20$1,168
This Air Canada deal was found by Cheapflights users on 1/20. 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 7/84:35 pmDCA - ICN
2 stops34h 30mAir Canada
Tue 7/226:00 pmICN - DCA
1 stop29h 18mAir Canada
Deal found 1/20$1,172
This Air Canada deal was found by Cheapflights users on 1/21. 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 5/135:30 pmIAD - ICN
1 stop33h 35mAir Canada
Tue 6/245:45 pmICN - IAD
1 stop35h 42mAir Canada
Deal found 1/21$1,172
This oojo deal was found by Cheapflights users on 1/20. 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 4/87:00 amIAD - ICN
2 stops40h 35mCathay Pacific
Mon 4/143:10 pmICN - IAD
2 stops27h 30mCathay Pacific
Deal found 1/20$1,217
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/208:30 amBWI - ICN
2 stops39h 45mAir China
Mon 3/33:30 pmICN - BWI
2 stops29h 21mAir China
Deal found 1/19$1,315
This oojo deal was found by Cheapflights users on 1/20. 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.
Thu 1/239:29 amDCA - ICN
2 stops37h 16mCathay Pacific
Mon 2/33:00 pmICN - DCA
2 stops32h 32mCathay Pacific
Deal found 1/20$1,316

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

Customize your flight search to find flights from Washington, D.C. to Incheon Intl 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 2/20

5:09 am-4:45 pm

2 stops21h 36m

Incheon Intl

Wed 3/5

6:50 pm-7:27 am

2 stops26h 37m

$876

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 2/17

6:00 am-3:30 pm

1 stop19h 30m

Incheon Intl

Thu 3/20

5:50 pm-9:55 pm

1 stop17h 05m

$877

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 2/17

5:00 am-4:45 pm

2 stops21h 45m

Incheon Intl

Thu 2/27

6:50 pm-10:59 pm

1 stop18h 09m

$882

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/3

7:00 am-5:30 am

2 stops32h 30m

Incheon Intl

Mon 3/10

4:40 pm-12:03 pm

2 stops32h 23m

$892

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 2/17

9:25 pm-6:20 pm

1 stop30h 55m

Incheon Intl

Sun 3/2

12:10 am-7:30 pm

1 stop33h 20m

$958

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 3/26

7:00 am-8:30 pm

1 stop24h 30m

Incheon Intl

Wed 4/23

5:30 pm-7:43 am

2 stops27h 13m

$1,012

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 3/24

1:45 pm-9:05 pm

2 stops42h 20m

Incheon Intl

Thu 4/10

12:50 pm-9:02 pm

1 stop21h 12m

$1,030

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 2/20

8:53 pm-4:45 pm

2 stops29h 52m

Incheon Intl

Wed 3/5

6:50 pm-6:34 am

2 stops25h 44m

$1,076

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 4/8

6:00 pm-11:35 am

2 stops28h 35m

Incheon Intl

Fri 4/25

5:50 pm-3:40 pm

1 stop34h 50m

$1,168

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 7/8

4:35 pm-4:05 pm

2 stops34h 30m

Incheon Intl

Tue 7/22

6:00 pm-10:18 am

1 stop29h 18m

$1,172

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 42 results
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Compare providers for flights from Washington, D.C. to Incheon Intl

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 Washington, D.C. to Incheon Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 Washington, D.C.-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Incheon Intl Airport 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 Washington, D.C.-Incheon Intl Airport 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 Washington, D.C. to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Incheon Intl. Price data was last updated on January 17, 2025.

The price you pay for your flight from Washington, D.C. to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Incheon Intl Airport (average of $1,086). Flying from Washington, D.C. to Incheon Intl Airport in June is currently the most expensive (average of $1,722). 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 ICN?

Find hourly flight availability from Washington, D.C. to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 36% on flights from Washington, D.C. to Incheon Intl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Washington, D.C. to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Incheon Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Incheon Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Incheon Intl. 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 January 21, 2025.

The most flights from WAS to ICN 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 Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport 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 Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated January 21, 2025.
See what other customers who have flown with Turkish Airlines, Air China and Cathay Pacific from Washington, D.C. to Seoul have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.5
Very good
1,039 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.3
Very good
466 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.1
Very good
3,360 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

8.0
Very good
8,521 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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.

7.6
Good
1,117 reviews
8.5
Very good
1,039 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.5

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 Washington, D.C. to Incheon Intl. 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 Washington, D.C. to Incheon Intl Airport round-trip?

    According to our current data, Turkish Airlines ($958), Air China ($1,168), and Cathay Pacific ($1,217) offers the cheapest pricing from Washington, D.C. to Incheon Intl Airport. Turkish Airlines is currently priced 35% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Incheon Intl Airport are American Airlines ($470), Turkish Airlines ($528), and WestJet ($649).

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

  • Where are the most common layover locations when flying from Washington, D.C. to Incheon Intl Airport?

  • What are some popular things to do or see while on a layover in Toronto?

    The majority of Toronto visitors spend their time at Union Station, CN Tower, and Hockey Hall of Fame. Union Station, CN Tower, and Hockey Hall of Fame are located about 12.1 mi, 11.9 mi, and 12.3 mi, respectively from Toronto Pearson Intl. Those on a layover in Toronto in need of a rental car can book one at Toronto Pearson Intl for about $27.

  • What are some popular points of interest to see during a layover in Istanbul?

    Taksim Square, Sultan Ahmet Camii, and Beyazit Meydani are currently the most popular points of interest in Istanbul at the moment. Travelers on a layover in Istanbul can visit Taksim Square, Sultan Ahmet Camii, and Beyazit Meydani, by traveling 20.8 mi, 22.3 mi, and 21.7 mi, respectively after landing at Istanbul. Travelers can book a car rental at Istanbul for about $28 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to Incheon Intl Airport flights?

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

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

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

    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 Incheon Intl.

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Incheon Intl Airport (average of $1,086). Flying from Washington, D.C. to Incheon Intl Airport in June is currently the most expensive (average of $1,722). 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 Washington, D.C. to Incheon Intl

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

Top 9 airlines flying from Washington, D.C. to Incheon Intl

Discover the top 9 airlines that operate flights from Washington, D.C. to Incheon Intl. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$864Average$1,391FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,448FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$902Average$1,864FlexibilityNo cancel feeOn-time69%
DeltaCheapest$902Average$2,011FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$968Average$1,080FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$1,082Average$1,891FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,407Average$1,741FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$1,583Average$1,712FlexibilityNo cancel feeOn-time77%
KLMCheapest$1,598Average$1,689FlexibilityNo cancel feeOn-time75%
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