Incheon Intl

$443+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
dic. 24 — dic. 311
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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 Thursday or Wednesday and return on a Sunday

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 diciembre 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$868
(Delta)

One-way from

$443
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,548
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
High demand for flights, 19% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

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 diciembre 19, 2024.

This Air Canada deal was found by Cheapflights users on 12/18. 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.
lun. 12/308:40 pmDCA - ICN
2 stops28h 35mAir Canada
lun. 1/274:55 pmICN - DCA
2 stops31h 34mAir Canada
Deal found 12/18$1,355
This Justfly.com deal was found by Cheapflights users on 12/18. 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.
lun. 12/305:10 pmIAD - ICN
2 stops32h 05mAir Canada
lun. 1/274:55 pmICN - IAD
2 stops61h 03mAir Canada
Deal found 12/18$1,360
This American Airlines deal was found by Cheapflights users on 12/18. 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.
lun. 12/305:00 amDCA - ICN
1 stop21h 45mAmerican Airlines
lun. 1/276:50 pmICN - DCA
1 stop19h 55mAmerican Airlines
Deal found 12/18$1,370
This American Airlines deal was found by Cheapflights users on 12/18. 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.
lun. 12/306:21 amIAD - ICN
1 stop20h 24mAmerican Airlines
lun. 1/276:50 pmICN - IAD
1 stop17h 51mAmerican Airlines
Deal found 12/18$1,370
This CheapOair deal was found by Cheapflights users on 12/18. 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.
lun. 12/305:50 pmIAD - ICN
2 stops27h 50mMultiple Airlines
lun. 1/275:50 pmICN - IAD
1 stop34h 20mMultiple Airlines
Deal found 12/18$1,393
This United Airlines deal was found by Cheapflights users on 12/18. 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.
jue. 12/266:05 amBWI - ICN
1 stop20h 10mUnited Airlines
mar. 1/146:00 pmICN - BWI
1 stop27h 02mUnited Airlines
Deal found 12/18$1,413
This Delta deal was found by Cheapflights users on 12/18. 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.
jue. 12/266:02 amBWI - ICN
1 stop19h 28mDelta
lun. 1/277:25 pmICN - BWI
1 stop19h 12mDelta
Deal found 12/18$1,500
This American Airlines deal was found by Cheapflights users on 12/18. 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.
lun. 12/306:00 amBWI - ICN
1 stop20h 45mAmerican Airlines
lun. 1/276:50 pmICN - BWI
2 stops19h 28mAmerican Airlines
Deal found 12/18$1,604
This Mytrip deal was found by Cheapflights users on 12/18. 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.
lun. 12/307:30 amBWI - ICN
2 stops25h 50mMultiple Airlines
lun. 1/278:25 amICN - BWI
2 stops25h 49mMultiple Airlines
Deal found 12/18$1,613
This Mytrip deal was found by Cheapflights users on 12/18. 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.
lun. 12/304:00 pmDCA - ICN
3 stops29h 40mMultiple Airlines
lun. 1/2711:50 amICN - DCA
3 stops24h 47mMultiple Airlines
Deal found 12/18$1,662
This oojo deal was found by Cheapflights users on 12/18. 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.
jue. 12/268:05 pmIAD - ICN
2 stops50h 40mQatar Airways
lun. 12/3012:20 amICN - IAD
1 stop29h 35mQatar Airways
Deal found 12/18$1,794
This oojo deal was found by Cheapflights users on 12/18. 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.
lun. 12/309:25 pmIAD - ICN
1 stop21h 40mTurkish Airlines
mar. 1/1412:10 amICN - IAD
1 stop25h 25mTurkish Airlines
Deal found 12/18$1,925

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 diciembre 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

jue. 1/16

6:00 am-3:30 pm

1 stop19h 30m

Incheon Intl

mié. 1/29

7:30 pm-2:04 pm

1 stop32h 34m

$868

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mié. 1/22

7:45 pm-4:45 pm

1 stop31h 00m

Incheon Intl

mié. 1/29

6:50 pm-12:45 am

1 stop19h 55m

$877

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

jue. 1/23

6:10 am-4:45 pm

1 stop20h 35m

Incheon Intl

lun. 2/3

6:50 pm-10:41 pm

1 stop17h 51m

$877

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

sáb. 1/25

3:03 pm-4:45 pm

1 stop35h 42m

Incheon Intl

lun. 2/3

6:50 pm-12:18 am

2 stops19h 28m

$888

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

sáb. 4/5

6:34 pm-4:20 am

1 stop20h 46m

Incheon Intl

mar. 4/22

4:50 pm-7:08 am

1 stop27h 18m

$902

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

jue. 1/23

2:00 pm-9:05 am

1 stop29h 05m

Incheon Intl

mié. 1/29

12:10 am-7:30 pm

1 stop33h 20m

$992

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

mié. 1/22

10:37 am-4:50 am

3 stops28h 13m

Incheon Intl

mié. 1/29

10:20 am-10:02 pm

2 stops25h 42m

$1,069

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 2/18

4:35 pm-11:40 am

2 stops29h 05m

Incheon Intl

vie. 2/28

5:50 pm-2:10 pm

1 stop34h 20m

$1,072

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

lun. 2/17

4:47 pm-5:45 am

1 stop22h 58m

Incheon Intl

jue. 2/27

7:25 pm-10:26 pm

1 stop17h 01m

$1,086

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

dom. 2/16

11:10 am-3:15 pm

2 stops38h 05m

Incheon Intl

mié. 2/26

4:55 pm-10:29 am

2 stops31h 34m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 49 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 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 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 December 13, 2024.

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 $1,729). 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 diciembre 19, 2024.

Unlike at noon, when flights are generally more expensive, you can save up to 42% 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. Sunday 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 diciembre 19, 2024.

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 diciembre 19, 2024.
See what other customers who have flown with Delta, American Airlines and United Airlines 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.
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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.

8.4
Very good
1,021 reviews
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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.

8.3
Very good
754 reviews
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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.

8.0
Very good
8,600 reviews
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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.

7.8
Good
1,349 reviews
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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.

7.7
Good
1,285 reviews
8.4
Very good
1,021 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Crew

8.7

Overall

8.4

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 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, Delta ($868), American Airlines ($877), and United Airlines ($902) offers the cheapest pricing from Washington, D.C. to Incheon Intl Airport. Delta is currently priced 42% 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 ($469), United Airlines ($506), and British Airways ($550).

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

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

    On average you can expect to pay $8,341 for a flight from Washington, D.C. to Incheon Intl Airport. The cheapest flight overall is $848 while the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl) is currently priced at $992.

  • 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 $25.

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

    Taksim Square, Sultan Ahmet Camii, and Sultanahmet 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 Sultanahmet Meydani, by traveling 20.8 mi, 22.3 mi, and 22.2 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 $1,729). 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 diciembre 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$864Average$1,327FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$902Average$1,905FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$902Average$1,559FlexibilityNo cancel feeOn-time71%
DeltaCheapest$902Average$2,011FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$969Average$1,081FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$1,082Average$1,950FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,420Average$1,709FlexibilityNo cancel feeOn-time76%
KLMCheapest$1,559Average$1,689FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$1,583Average$1,712FlexibilityNo cancel feeOn-time77%
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