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Incheon Intl

$469+ Cheap flights from Dulles Intl (IAD) 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ICN
Dec 25 — Jan 11
Wed 12/25
Wed 1/1
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Incheon Intl are usually found in November or January, booked 40 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Dulles Intl to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 December 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(American Airlines)

One-way from

$469
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$2,038
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Incheon Intl flights.
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From Washington, D.C. Dulles Intl to Incheon Intl
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One-way flight from Washington, D.C. Dulles Intl to Incheon Intl
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Dulles Intl to Incheon Intl

Cheapest flights from Dulles Intl to Incheon Intl
Explore the most affordable flight options available from Dulles Intl to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.

This Justfly.com deal was found by Cheapflights users on 12/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:10 pmIAD - ICN
2 stops56h 05mAir Canada
Fri 1/174:55 pmICN - IAD
2 stops56h 43mAir Canada
Deal found 12/19$1,405
This Gotogate deal was found by Cheapflights users on 12/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/243:55 pmIAD - ICN
2 stops57h 20mMultiple Airlines
Fri 12/275:50 pmICN - IAD
1 stop34h 20mMultiple Airlines
Deal found 12/19$1,550
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:21 amIAD - ICN
1 stop20h 24mAmerican Airlines
Tue 1/286:50 pmICN - IAD
1 stop17h 51mAmerican Airlines
Deal found 12/20$1,561
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:30 pmIAD - ICN
1 stop25h 40mAir France
Mon 1/1312:15 pmICN - IAD
2 stops41h 30mAir France
Deal found 12/18$1,695
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.
Sun 12/2210:35 amIAD - ICN
2 stops36h 10mQatar Airways
Fri 12/2712:20 amICN - IAD
1 stop29h 35mQatar Airways
Deal found 12/18$1,829
This Turkish Airlines deal was found by Cheapflights users on 12/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/282:00 pmIAD - ICN
1 stop29h 05mTurkish Airlines
Mon 1/2010:45 amICN - IAD
1 stop46h 45mTurkish Airlines
Deal found 12/19$1,878
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:50 pmIAD - ICN
1 stop27h 00mLufthansa
Tue 1/2112:55 pmICN - IAD
1 stop40h 55mLufthansa
Deal found 12/19$2,034
This Korean Air deal was found by Cheapflights users on 12/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:50 amIAD - ICN
Nonstop15h 50mKorean Air
Tue 1/215:50 pmICN - IAD
1 stop17h 15mKorean Air
Deal found 12/19$2,048
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:50 amIAD - ICN
Nonstop15h 50mDelta
Sun 1/198:05 pmICN - IAD
1 stop33h 05mDelta
Deal found 12/19$2,061

Find flights from Dulles Intl to Incheon Intl within your budget

Customize your flight search to find flights from Dulles Intl 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 December 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 1/23

6:10 am-4:45 pm

1 stop20h 35m

Incheon Intl

Wed 1/29

6:50 pm-10:41 pm

1 stop17h 51m

$877

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 1/23

2:00 pm-9:05 am

1 stop29h 05m

Incheon Intl

Wed 1/29

12:10 am-12:15 pm

1 stop26h 05m

$992

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 1/16

6:10 am-4:45 pm

1 stop20h 35m

Incheon Intl

Wed 1/29

6:50 pm-10:41 pm

1 stop17h 51m

$1,023

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sat 4/5

5:35 pm-11:35 am

2 stops29h 00m

Incheon Intl

Fri 4/18

3:25 pm-3:10 pm

1 stop36h 45m

$1,094

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 2/3

2:00 pm-9:05 am

1 stop29h 05m

Incheon Intl

Fri 2/21

5:50 pm-2:10 pm

1 stop34h 20m

$1,105

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 3/18

3:55 pm-3:25 pm

2 stops34h 30m

Incheon Intl

Wed 6/18

5:45 pm-4:27 pm

1 stop35h 42m

$1,167

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 4/3

6:59 pm-2:10 pm

2 stops30h 11m

Incheon Intl

Thu 4/17

10:10 am-5:40 am

2 stops32h 30m

$1,224

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 1/12

8:05 pm-4:45 pm

2 stops30h 40m

$469

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 3/12

5:18 pm-5:40 pm

2 stops35h 22m

$601

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 1/14

9:25 pm-6:20 pm

1 stop30h 55m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 23 results
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Incheon Intl in December.
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*2 stars
OvagoPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 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. Dulles Intl Airport-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. Dulles Intl Airport-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Incheon Intl

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Incheon Intl. Price data was last updated on December 13, 2024.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

Find hourly flight availability from Dulles Intl 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 December 20, 2024.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Friday 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. Dulles Intl Airport to Incheon Intl Airport

Explore weekly flight availability from Dulles Intl 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 December 20, 2024.

The most flights from IAD 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 December 20, 2024.
Read reviews from past customers who have flown American Airlines, Turkish Airlines and Air Canada from Washington, D.C. to Seoul. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Korean Air
8.4
Very good
1,023 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Delta
8.0
Very good
8,601 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Cathay Pacific
7.5
Good
836 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

United Airlines
7.4
Good
9,041 reviews
Korean Air
8.4
Very good
1,023 reviews

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $877 on this airline. Additional options worth looking into are Turkish Airlines and British Airways, starting at $992 and $1,023 round-trip. American Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport are American Airlines ($469), Turkish Airlines ($623), and China Airlines ($774).

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

    On average you can expect to pay $8,341 for a flight from Washington, D.C. Dulles Intl Airport 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 $993.

  • Can I find deals for flights from Dulles Intl to Incheon Intl that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Incheon Intl?

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

  • Can I find deals for business class flights from Dulles Intl to Incheon Intl?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Incheon Intl Airport?

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

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

Top 9 airlines flying from Dulles Intl to Incheon Intl

Discover the top 9 airlines that operate flights from Dulles Intl 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 December 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$864Average$1,167FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$902Average$1,587FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$969Average$1,081FlexibilityNo cancel feeOn-time77%
Asiana AirlinesCheapest$1,420Average$1,709FlexibilityNo cancel feeOn-time76%
KLMCheapest$1,559Average$1,689FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$1,564Average$1,987FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$1,583Average$1,712FlexibilityNo cancel feeOn-time77%
DeltaCheapest$1,595Average$2,132FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,786Average$2,197FlexibilityNo cancel feeOn-time69%
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