HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$472+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — IAD
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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

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 January 22, 2026.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:00 pm
KIX
-
IAD
2 stops47h 09m
Multiple Airlines
Thu 5/77:10 am
IAD
-
KIX
2 stops40h 40m
Multiple Airlines
Deal found 1/21$1,045
This Air China 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:05 am
KIX
-
IAD
1 stop23h 25m
Air China
Fri 5/811:00 pm
IAD
-
KIX
1 stop24h 40m
Air China
Deal found 1/21$1,067
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.
Thu 4/92:00 pm
KIX
-
IAD
2 stops28h 40m
Multiple Airlines
Tue 4/217:11 pm
IAD
-
KIX
2 stops28h 39m
Multiple Airlines
Deal found 1/21$1,096
This HIS 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
KIX
-
IAD
2 stops29h 24m
STARLUX Airlines
Wed 6/105:01 pm
IAD
-
KIX
2 stops30h 14m
STARLUX Airlines
Deal found 1/21$1,133
This Air China 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:00 pm
KIX
-
IAD
1 stop42h 30m
Air China
Fri 5/811:00 pm
IAD
-
KIX
1 stop24h 40m
Air China
Deal found 1/21$1,146
This Flightnetwork deal was found by Cheapflights users on 1/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:30 pm
KIX
-
IAD
2 stops33h 53m
Multiple Airlines
Fri 5/89:55 am
IAD
-
KIX
2 stops22h 00m
Multiple Airlines
Deal found 1/22$1,161
This Trip.com deal was found by Cheapflights users on 1/22. 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.
Sun 3/812:55 pm
KIX
-
IAD
2 stops29h 45m
Multiple Airlines
Sun 3/156:27 pm
IAD
-
KIX
2 stops26h 28m
Multiple Airlines
Deal found 1/22$1,169
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:00 pm
KIX
-
IAD
1 stop42h 30m
Air China
Tue 4/2111:00 pm
IAD
-
KIX
1 stop27h 20m
Air China
Deal found 1/21$1,176
This Air China 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:00 pm
KIX
-
IAD
1 stop42h 30m
Air China
Fri 6/1211:00 pm
IAD
-
KIX
1 stop32h 30m
Air China
Deal found 1/21$1,209
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.
Fri 3/67:50 am
KIX
-
IAD
3 stops26h 36m
Multiple Airlines
Fri 3/1312:50 pm
IAD
-
KIX
1 stop18h 55m
Multiple Airlines
Deal found 1/20$1,229

Find 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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,045
(Expedia)

One-way from

$472
(Kiwi.com)
Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. (WAS) 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

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 January 22, 2026.
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

Sat 5/2

2:30 pm-11:23 am

2 stops33h 53m

Washington, D.C. Dulles Intl

Fri 5/8

9:55 am-8:55 pm

2 stops22h 00m

$1,161

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 3/8

12:55 pm-4:40 am

2 stops29h 45m

Washington, D.C. Dulles Intl

Sun 3/15

6:27 pm-9:55 am

2 stops26h 28m

$1,169

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 3/6

7:50 am-8:26 pm

3 stops26h 36m

Washington, D.C. Dulles Intl

Fri 3/13

12:50 pm-8:45 pm

1 stop18h 55m

$1,229

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 3/6

12:20 pm-5:40 am

2 stops31h 20m

Washington, D.C. Dulles Intl

Fri 3/13

6:27 pm-11:10 am

2 stops27h 43m

$1,289

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 3/6

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Fri 3/13

11:00 pm-8:10 pm

1 stop32h 10m

$1,306

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 3/25

8:25 pm-12:31 am

3 stops41h 06m

$472

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/21

9:00 pm-5:50 am

3 stops45h 50m

$560

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 5/26

7:40 am-11:59 pm

3 stops53h 19m

$581

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 5/24

7:40 am-11:59 pm

3 stops53h 19m

$588

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 3/24

8:00 am-5:22 pm

3 stops46h 22m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 14 results
1
2

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.

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.

  • How long is the flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport?

    Departing from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport will take you 31h 20m. The distance between Osaka Kansai Intl Airport and Washington, D.C. Dulles Intl Airport is about 6948 mi.

  • 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.
Osaka Itami to Dulles Intl flights
Kansai Intl to Baltimore flights
Kansai Intl to Reagan-National flights
Osaka 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.