HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$445+ Cheap flights from Kansai Intl (KIX) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — IAD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansai Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kansai Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) 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 April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,136
(Air Canada)

One-way from

$445
(Kiwi.com)

Popular in

March

Cheapest in

October
Provider with most accurate pricing for Osaka Kansai Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka Kansai Intl-Washington, D.C. Dulles Intl flights.
Search Deals
From Osaka Kansai Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Osaka Kansai Intl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($87 potential savings vs. average RT price).
Search Deals

Find flight deals from Kansai Intl to Dulles Intl

Cheapest flights from Kansai Intl to Dulles Intl
Explore the most affordable flight options available from Kansai Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:05 pmKIX - IAD
2 stops30h 09mAir Canada
Sun 5/255:31 pmIAD - KIX
2 stops33h 54mAir Canada
Deal found 4/15$1,136
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:30 amKIX - IAD
1 stop42h 30mLufthansa
Sun 5/2510:20 pmIAD - KIX
1 stop43h 55mLufthansa
Deal found 4/15$1,528
This KLM deal was found by Cheapflights users on 4/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:00 pmKIX - IAD
1 stop40h 35mMultiple Airlines
Mon 6/239:20 pmIAD - KIX
1 stop23h 05mMultiple Airlines
Deal found 4/15$1,529
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2912:00 pmKIX - IAD
1 stop40h 35mKLM
Thu 6/59:20 pmIAD - KIX
2 stops24h 00mKLM
Deal found 4/14$1,567
This United Airlines deal was found by Cheapflights users on 4/14. 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 6/64:55 pmKIX - IAD
1 stop25h 13mUnited Airlines
Tue 6/247:59 pmIAD - KIX
2 stops29h 51mUnited Airlines
Deal found 4/14$1,750
This Gurufare deal was found by Cheapflights users on 4/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:00 amKIX - IAD
2 stops32h 40mCathay Pacific
Sun 5/257:15 amIAD - KIX
3 stops42h 40mCathay Pacific
Deal found 4/15$1,771
This Asiana Airlines deal was found by Cheapflights users on 4/15. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/310:50 amKIX - IAD
2 stops23h 30mAsiana Airlines
Wed 6/258:15 amIAD - KIX
2 stops23h 50mAsiana Airlines
Deal found 4/15$1,820
This Air France deal was found by Cheapflights users on 4/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/511:20 amKIX - IAD
2 stops41h 15mAir France
Wed 6/259:20 pmIAD - KIX
2 stops48h 00mAir France
Deal found 4/15$1,956
This Qatar Airways deal was found by Cheapflights users on 4/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:55 pmKIX - IAD
1 stop26h 45mQatar Airways
Tue 6/2411:00 amIAD - KIX
1 stop41h 25mQatar Airways
Deal found 4/15$1,991
This Etihad Airways deal was found by Cheapflights users on 4/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:10 pmKIX - IAD
1 stop35h 00mEtihad Airways
Mon 6/2310:05 pmIAD - KIX
1 stop24h 35mEtihad Airways
Deal found 4/15$2,018
This Emirates deal was found by Cheapflights users on 4/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/511:45 pmKIX - IAD
1 stop45h 55mEmirates
Sun 6/2210:55 amIAD - KIX
1 stop41h 20mEmirates
Deal found 4/15$2,048
This Ethiopian Air deal was found by Cheapflights users on 4/14. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:00 pmKIX - IAD
3 stops52h 55mEthiopian Air
Thu 6/510:55 amIAD - KIX
2 stops45h 10mEthiopian Air
Deal found 4/14$2,646

Cheapflights Fare Finder

Customize your flight search to find flights from Kansai 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 April 15, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Kansai Intl

Fly to

Dulles Intl

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 5/12

6:05 pm-11:14 am

2 stops30h 09m

Washington, D.C. Dulles Intl

Sun 5/25

5:31 pm-4:25 pm

2 stops33h 54m

$1,136

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 5/12

9:30 am-3:00 pm

1 stop42h 30m

Washington, D.C. Dulles Intl

Sun 5/25

10:20 pm-7:15 am

1 stop43h 55m

$1,528

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 6/5

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Tue 6/24

6:30 pm-9:25 am

1 stop25h 55m

$1,529

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 5/29

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Thu 6/5

9:20 pm-10:20 am

2 stops24h 00m

$1,567

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 6/6

4:55 pm-5:08 am

1 stop25h 13m

Washington, D.C. Dulles Intl

Tue 6/24

7:59 pm-2:50 pm

2 stops29h 51m

$1,750

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 5/12

10:00 am-5:40 am

2 stops32h 40m

Washington, D.C. Dulles Intl

Sun 5/25

7:15 am-2:55 pm

3 stops42h 40m

$1,771

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 6/3

10:50 am-9:20 pm

2 stops23h 30m

Washington, D.C. Dulles Intl

Wed 6/25

8:15 am-9:05 pm

2 stops23h 50m

$1,820

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 6/5

11:20 am-3:35 pm

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 6/25

9:20 pm-10:20 am

2 stops48h 00m

$1,956

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 6/8

6:55 pm-8:40 am

1 stop26h 45m

Washington, D.C. Dulles Intl

Tue 6/24

11:00 am-5:25 pm

1 stop41h 25m

$1,991

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 6/3

6:10 pm-4:10 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Mon 6/23

10:05 pm-11:40 am

1 stop24h 35m

$2,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 19 results
1
2

Compare providers for flights from Kansai 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 Kansai Intl to Dulles Intl in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 Osaka Kansai Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka Kansai Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka Kansai 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 Osaka Kansai Intl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Osaka Kansai 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 Kansai Intl to Dulles Intl

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

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

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 April 15, 2025.
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
438 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Emirates
8.0
Very good
3,198 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,917 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,323 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Air France
7.5
Good
1,435 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Overall

8.2

Boarding

8.3

Food

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Related info for your journey

Find useful and relevant information for your journey from Kansai 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 Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Air Canada, at $1,136, was found to be the cheapest airline from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Lufthansa and KLM.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $615. Users have also found prices from $1,064 and $1,146 on Air China and Qatar Airways, respectively.

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

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

  • How can I find direct flights from Kansai 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 Kansai Intl to Dulles Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Osaka Kansai Intl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansai Intl to Dulles Intl

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.