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 25h 32m. 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.

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.

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).

What is the cheapest time of day to fly from KIX to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport as you normally would.

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.

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.

$387+ Flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

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Cheap flight deals from Kansai Intl to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,126 (Air Canada)
One-way from	$387 (Kiwi.com)

Provider with most accurate pricing for Osaka Kansai Intl-Washington, D.C. Dulles Intl flight deals.

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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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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 November 12, 2025.

Fri 12/1910:50 amKIX - IAD

2 stops24h 35mMultiple Airlines

Sun 1/44:30 pmIAD - KIX

2 stops38h 05mMultiple Airlines

Deal found 11/12

$1,126

Sun 12/712:55 pmKIX - IAD

2 stops31h 11mMultiple Airlines

Sun 12/147:34 amIAD - KIX

2 stops36h 21mMultiple Airlines

Deal found 11/10

$1,381

Mon 12/221:50 pmKIX - IAD

1 stop42h 40mAir China

Fri 1/210:00 pmIAD - KIX

1 stop24h 40mAir China

Deal found 11/11

$1,395

Fri 12/262:00 pmKIX - IAD

2 stops30h 13mMultiple Airlines

Fri 1/27:33 amIAD - KIX

2 stops37h 37mMultiple Airlines

Deal found 11/11

$1,536

Thu 12/257:40 amKIX - IAD

2 stops29h 12mMultiple Airlines

Thu 1/111:50 amIAD - KIX

1 stop26h 10mMultiple Airlines

Deal found 11/10

$1,674

Sat 12/271:00 pmKIX - IAD

2 stops34h 05mMultiple Airlines

Sat 1/32:35 pmIAD - KIX

2 stops39h 45mMultiple Airlines

Deal found 11/12

$1,675

Best flights from Kansai Intl to Dulles Intl
Discover carefully curated flight deals from Kansai Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2025.

Fri 12/1910:50 amKIX - IAD

2 stops23h 36mMultiple Airlines

Mon 1/59:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 11/10

$1,131

Mon 12/221:50 pmKIX - IAD

1 stop42h 40mAir China

Fri 1/210:00 pmIAD - KIX

1 stop24h 40mAir China

Deal found 11/10

$1,400

Tue 4/144:55 pmKIX - IAD

2 stops25h 32mUnited Airlines

Sat 4/182:36 pmIAD - KIX

1 stop35h 14mUnited Airlines

Deal found 11/11

$1,544

Mon 1/266:10 pmKIX - IAD

2 stops36h 16mMultiple Airlines

Thu 2/126:27 pmIAD - KIX

2 stops25h 28mMultiple Airlines

Deal found 11/12

$1,515

Mon 1/268:20 amKIX - IAD

1 stop21h 20mUnited Airlines

Thu 2/126:20 amIAD - KIX

1 stop20h 20mUnited Airlines

Deal found 11/12

$1,560

Fri 12/262:00 pmKIX - IAD

2 stops30h 13mMultiple Airlines

Fri 1/27:33 amIAD - KIX

2 stops37h 37mMultiple Airlines

Deal found 11/11

$1,553

Last-minute flights from Kansai Intl to Dulles Intl
Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated November 12, 2025 and is based on user searches.

Sun 12/712:55 pmKIX - IAD

2 stops31h 11mMultiple Airlines

Sun 12/147:34 amIAD - KIX

2 stops36h 21mMultiple Airlines

Deal found 11/10

$1,381

Fri 12/1910:50 amKIX - IAD

2 stops24h 35mMultiple Airlines

Sun 1/44:30 pmIAD - KIX

2 stops38h 05mMultiple Airlines

Deal found 11/12

$1,126

Mon 12/221:50 pmKIX - IAD

1 stop42h 40mAir China

Fri 1/210:00 pmIAD - KIX

1 stop24h 40mAir China

Deal found 11/11

$1,395

Thu 12/257:40 amKIX - IAD

2 stops29h 12mMultiple Airlines

Thu 1/111:50 amIAD - KIX

1 stop26h 10mMultiple Airlines

Deal found 11/10

$1,674

Fri 12/262:00 pmKIX - IAD

2 stops30h 13mMultiple Airlines

Fri 1/27:33 amIAD - KIX

2 stops37h 37mMultiple Airlines

Deal found 11/11

$1,536

Sat 12/271:00 pmKIX - IAD

2 stops34h 05mMultiple Airlines

Sat 1/32:35 pmIAD - KIX

2 stops39h 45mMultiple Airlines

Deal found 11/12

$1,675

One-way flights from Kansai Intl to Dulles Intl
Search for one-way flight options from Kansai Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 12, 2025.

Wed 12/38:00 amKIX - IAD

3 stops48h 18mMultiple Airlines

Deal found 11/9

$387

Thu 12/48:00 amKIX - IAD

3 stops46h 24mMultiple Airlines

Deal found 11/9

$456

Tue 1/279:10 pmKIX - IAD

3 stops51h 14mMultiple Airlines

Deal found 11/12

$513

Mon 1/269:10 pmKIX - IAD

3 stops51h 14mMultiple Airlines

Deal found 11/12

$523

Mon 1/263:45 pmKIX - IAD

2 stops18h 41mAir Canada

Deal found 11/12

$547

Thu 11/279:50 amKIX - IAD

3 stops45h 24mMultiple Airlines

Deal found 11/10

$587

Tue 12/163:45 pmKIX - IAD

2 stops19h 35mAir Canada

Deal found 11/12

$613

Tue 12/210:00 amKIX - IAD

2 stops43h 30mMultiple Airlines

Deal found 11/9

$662

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/19

10:50 am-8:26 pm

2 stops23h 36m

Washington, D.C. Dulles Intl

Mon 1/5

9:00 am-8:35 pm

2 stops21h 35m

$1,131

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 12/22

1:50 pm-6:30 pm

1 stop42h 40m

Washington, D.C. Dulles Intl

Fri 1/2

10:00 pm-12:40 pm

1 stop24h 40m

$1,400

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/26

6:10 pm-4:26 pm

2 stops36h 16m

Washington, D.C. Dulles Intl

Thu 2/12

6:27 pm-9:55 am

2 stops25h 28m

$1,515

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 4/14

4:55 pm-5:27 am

2 stops25h 32m

Washington, D.C. Dulles Intl

Sat 4/18

2:36 pm-2:50 pm

1 stop35h 14m

$1,544

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 12/26

2:00 pm-6:13 am

2 stops30h 13m

Washington, D.C. Dulles Intl

Fri 1/2

7:33 am-11:10 am

2 stops37h 37m

$1,553

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/26

8:20 am-3:40 pm

1 stop21h 20m

Washington, D.C. Dulles Intl

Thu 2/12

6:20 am-4:40 pm

1 stop20h 20m

$1,560

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 12/4

8:00 am-4:24 pm

3 stops46h 24m

$456

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 1/27

9:10 pm-10:24 am

3 stops51h 14m

$513

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/26

9:10 pm-10:24 am

3 stops51h 14m

$523

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/26

3:45 pm-8:26 pm

2 stops18h 41m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 15 results

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.

Related info for your journey

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 25h 32m. 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.

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$387+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansai Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansai Intl to Dulles Intl

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Round-trip from

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Find flight deals from Kansai Intl to Dulles Intl

Cheapest flights from Kansai Intl to Dulles IntlExplore 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 November 12, 2025.

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 November 12, 2025.

Cheapflights Fare Finder

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.

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.

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?

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

How can I find direct flights from Kansai Intl to Dulles Intl?

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

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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 November 12, 2025.