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Dulles Intl

$449+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$998
(Air Canada)

One-way from

$449
(Kiwi.com)
From Osaka Kansai Intl to Washington, D.C. Dulles Intl
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One-way flight from Osaka Kansai Intl to Washington, D.C. Dulles Intl
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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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/9. 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.
Thu 10/166:05 pmKIX - IAD
2 stops28h 33mAir Canada
Sat 10/185:22 pmIAD - KIX
2 stops34h 03mAir Canada
Deal found 9/9$998
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/257:35 amKIX - IAD
2 stops26h 30mMultiple Airlines
Sat 11/19:00 amIAD - KIX
2 stops23h 40mMultiple Airlines
Deal found 9/10$1,196
This Expedia deal was found by Cheapflights users on 9/11. 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.
Sun 10/2610:50 amKIX - IAD
2 stops32h 33mMultiple Airlines
Sun 11/28:30 amIAD - KIX
2 stops34h 05mMultiple Airlines
Deal found 9/11$1,499
This KLM deal was found by Cheapflights users on 9/11. 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.
Fri 12/1912:45 pmKIX - IAD
2 stops41h 20mKLM
Sun 1/46:05 pmIAD - KIX
1 stop27h 15mKLM
Deal found 9/11$1,529
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/196:35 pmKIX - IAD
2 stops18h 48mUnited Airlines
Mon 1/56:30 amIAD - KIX
1 stop20h 10mUnited Airlines
Deal found 9/11$1,551
This United Airlines deal was found by Cheapflights users on 9/11. 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 12/198:20 amKIX - IAD
2 stops26h 35mUnited Airlines
Sun 1/45:20 pmIAD - KIX
2 stops33h 20mUnited Airlines
Deal found 9/11$1,553
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Fri 12/193:00 pmKIX - IAD
2 stops19h 26mMultiple Airlines
Mon 1/59:00 amIAD - KIX
2 stops23h 20mMultiple Airlines
Deal found 9/11$1,560

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 September 11, 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

Sun 10/26

10:50 am-6:23 am

2 stops32h 33m

Washington, D.C. Dulles Intl

Sun 11/2

8:30 am-8:35 am

2 stops34h 05m

$1,499

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

12:45 pm-4:05 pm

2 stops41h 20m

Washington, D.C. Dulles Intl

Sun 1/4

6:05 pm-11:20 am

1 stop27h 15m

$1,529

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

8:20 am-8:55 pm

2 stops26h 35m

Washington, D.C. Dulles Intl

Sun 1/4

5:20 pm-4:40 pm

2 stops33h 20m

$1,553

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:23 pm

2 stops18h 48m

Washington, D.C. Dulles Intl

Mon 1/5

6:30 am-4:40 pm

1 stop20h 10m

$1,554

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

3:00 pm-8:26 pm

2 stops19h 26m

Washington, D.C. Dulles Intl

Mon 1/5

9:00 am-10:20 pm

2 stops23h 20m

$1,560

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/23

7:55 pm-3:17 pm

3 stops56h 22m

$449

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 10/22

6:05 pm-9:38 am

1 stop28h 33m

$458

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 10/21

6:05 pm-11:13 am

2 stops30h 08m

$502

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 10/23

6:05 pm-9:05 pm

2 stops40h 00m

$502

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 10/24

7:40 am-11:59 am

3 stops41h 19m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
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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 26h 35m. The distance between Osaka Kansai Intl Airport and Washington, D.C. Dulles Intl Airport is about 6948 mi. This flight may include one or multiple stops.

  • 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 $292). Flying from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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Alternative routes for Kansai Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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