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Dulles Intl

$431+ Cheap flights from Incheon Intl (ICN) to Dulles Intl (IAD)

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from Incheon Intl to Washington, D.C. Dulles Intl are usually found in April or December, booked 71 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Incheon Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Dulles Intl (IAD). 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 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$688
(American Airlines)

One-way from

$431
(American Airlines)

Popular in

August

Cheapest in

April

Average price

$1,506
Provider with most accurate pricing for Incheon Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Washington, D.C. Dulles Intl flights.
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From Incheon Intl to Washington, D.C. Dulles Intl
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One-way flight from Incheon Intl to Washington, D.C. Dulles Intl
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High demand for flights, 10% 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 January 2025
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Find flight deals from Incheon Intl to Dulles Intl

Cheapest flights from Incheon Intl to Dulles Intl
Explore the most affordable flight options available from Incheon Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This American Airlines deal was found by Cheapflights users on 1/16. 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.
Tue 2/116:50 pmICN - IAD
1 stop17h 51mAmerican Airlines
Tue 2/186:12 amIAD - ICN
1 stop20h 33mAmerican Airlines
Deal found 1/16$693
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 1/3012:45 pmICN - IAD
1 stop22h 13mUnited Airlines
Sun 3/210:20 pmIAD - ICN
2 stops27h 55mUnited Airlines
Deal found 1/15$716
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Fri 3/283:30 pmICN - IAD
1 stop36h 40mAir China
Tue 4/16:00 pmIAD - ICN
2 stops33h 35mAir China
Deal found 1/16$778
This Gotogate deal was found by Cheapflights users on 1/16. 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.
Fri 3/144:55 pmICN - IAD
2 stops35h 18mAir Canada
Sat 3/223:55 pmIAD - ICN
2 stops58h 30mAir Canada
Deal found 1/16$875
This Gotogate deal was found by Cheapflights users on 1/16. 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 9/225:45 pmICN - IAD
2 stops40h 16mMultiple Airlines
Tue 10/149:40 pmIAD - ICN
1 stop31h 00mMultiple Airlines
Deal found 1/16$1,098
This WhyPayMore deal was found by Cheapflights users on 1/15. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1610:15 amICN - IAD
Nonstop13h 35mKorean Air
Sun 3/237:59 pmIAD - ICN
1 stop20h 31mKorean Air
Deal found 1/15$1,107

Find flights from Incheon Intl to Dulles Intl within your budget

Customize your flight search to find flights from Incheon Intl to Dulles 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 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/11

6:50 pm-10:41 pm

1 stop17h 51m

Washington, D.C. Dulles Intl

Tue 2/18

6:12 am-4:45 pm

1 stop20h 33m

$693

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/30

12:45 pm-8:58 pm

1 stop22h 13m

Washington, D.C. Dulles Intl

Sun 3/2

10:20 pm-4:15 pm

2 stops27h 55m

$716

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 3/28

3:30 pm-3:10 pm

1 stop36h 40m

Washington, D.C. Dulles Intl

Tue 4/1

6:00 pm-4:35 pm

2 stops33h 35m

$778

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 3/14

4:55 pm-3:13 pm

2 stops35h 18m

Washington, D.C. Dulles Intl

Sat 3/22

3:55 pm-3:25 pm

2 stops58h 30m

$875

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sun 3/16

10:15 am-10:50 am

Nonstop13h 35m

Washington, D.C. Dulles Intl

Sun 3/23

7:59 pm-5:30 am

1 stop20h 31m

$1,107

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 6/12

5:45 pm-4:23 pm

1 stop35h 38m

Washington, D.C. Dulles Intl

Tue 8/12

12:35 pm-5:40 pm

1 stop40h 05m

$1,133

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 2/3

6:50 pm-10:41 pm

1 stop17h 51m

$431

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 2/5

6:00 pm-4:28 pm

1 stop36h 28m

$446

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/7

5:30 pm-2:13 pm

2 stops33h 43m

$461

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

5:45 pm-9:00 pm

2 stops40h 15m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 20 results
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Compare providers for flights from Incheon Intl to Dulles 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 Incheon Intl to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Incheon Intl Airport-Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Washington, D.C. Dulles Intl Airport 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. Dulles 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 Incheon Intl Airport-Washington, D.C. Dulles 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 Incheon Intl to Dulles Intl

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Dulles Intl. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 IAD?

Find hourly flight availability from Incheon Intl to Dulles 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 17, 2025.

One of the essential ways to save on airfare from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 31% on airfare.

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

Explore weekly flight availability from Incheon Intl to Dulles 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 17, 2025.

The most flights from ICN to IAD 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 Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles 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 Dulles Intl. Reviews last updated January 17, 2025.
To help decide which airline to fly from Seoul to Washington, D.C., see what other customers have to say about American Airlines, United Airlines and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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.

Emirates
8.1
Very good
3,350 reviews
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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.

Qatar Airways
7.5
Good
3,752 reviews
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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.

United Airlines
7.4
Good
8,964 reviews
Korean Air
8.5
Very good
1,034 reviews

Entertainment

8.2

Food

8.1

Overall

8.5

Comfort

8.3

Crew

8.7

Boarding

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

    Cheapflights users have booked flights from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport round-trip from $688. Other airlines that can offer you cheap pricing are United Airlines, from $713, and Air China, from $778. These flights start at 54% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $431 on American Airlines. Other airlines that offer cheap prices include United Airlines from $445 and Air China from $456 one-way.

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

    Looking at all options, your cheapest flight can be booked for $1,073. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $710 on average our data indicates $2,800 when flying from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Incheon Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for Incheon Intl to Dulles Intl

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

Top 4 airlines flying from Incheon Intl to Dulles Intl

Discover the top 4 airlines that operate flights from Incheon Intl to Dulles 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$713Average$866FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$733Average$1,159FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,313Average$1,613FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,368Average$1,654FlexibilityNo cancel feeOn-time81%
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