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 38h 45m. The distance between Osaka Kansai Intl Airport and Washington, D.C. Dulles Intl Airport is about 6948 mi.

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.

$417+ Flights from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport

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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 December 5, 2025.

Fri 12/193:00 pmKIX - IAD

2 stops19h 26mMultiple Airlines

Sun 1/44:30 pmIAD - KIX

2 stops38h 05mMultiple Airlines

Deal found 12/3

$1,146

Thu 12/251:00 pmKIX - IAD

2 stops34h 05mMultiple Airlines

Thu 1/89:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 12/3

$1,366

Thu 12/251:00 pmKIX - IAD

1 stop41h 05mKLM

Thu 1/87:49 pmIAD - KIX

2 stops49h 31mKLM

Deal found 12/3

$1,448

Fri 12/195:50 pmKIX - IAD

2 stops28h 52mAmerican Airlines

Mon 1/56:05 amIAD - KIX

2 stops24h 30mAmerican Airlines

Deal found 12/4

$1,452

Fri 12/196:35 pmKIX - IAD

2 stops24h 44mUnited Airlines

Sun 1/44:10 pmIAD - KIX

1 stop34h 30mUnited Airlines

Deal found 12/3

$1,714

Fri 12/195:50 pmKIX - IAD

2 stops20h 14mAmerican Airlines

Sun 1/46:05 amIAD - KIX

2 stops24h 30mAmerican Airlines

Deal found 12/4

$1,738

Thu 12/256:45 amKIX - IAD

1 stop16h 25mANA

Thu 1/811:10 amIAD - KIX

1 stop21h 10mANA

Deal found 12/3

$1,788

Fri 12/197:05 amKIX - IAD

1 stop16h 05mANA

Mon 1/511:10 amIAD - KIX

1 stop21h 10mANA

Deal found 12/3

$1,804

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 December 5, 2025.

Mon 1/193:45 pmKIX - IAD

2 stops18h 41mMultiple Airlines

Mon 1/269:00 amIAD - KIX

2 stops20h 25mMultiple Airlines

Deal found 12/5

$1,100

Thu 2/53:45 pmKIX - IAD

2 stops38h 45mAir Canada

Sun 2/89:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/2

$1,146

Sat 1/178:45 pmKIX - IAD

2 stops33h 41mAlaska Airlines

Sat 1/245:26 pmIAD - KIX

3 stops35h 19mAlaska Airlines

Deal found 12/3

$1,213

Fri 2/139:00 amKIX - IAD

1 stop23h 30mAir China

Fri 2/2010:00 pmIAD - KIX

1 stop32h 10mAir China

Deal found 12/3

$1,218

Fri 12/193:00 pmKIX - IAD

2 stops19h 26mMultiple Airlines

Mon 1/59:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 12/3

$1,146

Thu 1/223:45 pmKIX - IAD

2 stops38h 45mAir Canada

Mon 1/269:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/4

$1,184

Sat 1/176:10 pmKIX - IAD

2 stops36h 16mMultiple Airlines

Sat 1/246:04 pmIAD - KIX

2 stops25h 51mMultiple Airlines

Deal found 12/3

$1,150

Mon 1/198:45 pmKIX - IAD

2 stops34h 19mAlaska Airlines

Mon 1/265:26 pmIAD - KIX

3 stops35h 19mAlaska Airlines

Deal found 12/5

$1,274

Fri 2/133:00 pmKIX - IAD

2 stops19h 29mMultiple Airlines

Fri 2/209:00 amIAD - KIX

2 stops20h 25mMultiple Airlines

Deal found 12/3

$1,216

Tue 3/37:50 amKIX - IAD

2 stops27h 04mMultiple Airlines

Thu 4/2312:37 pmIAD - KIX

3 stops32h 03mMultiple Airlines

Deal found 12/3

$1,246

Last-minute flights from Kansai Intl to Dulles Intl
Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated December 5, 2025 and is based on user searches.

Fri 12/193:00 pmKIX - IAD

2 stops19h 26mMultiple Airlines

Mon 1/59:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 12/3

$1,146

Fri 12/195:50 pmKIX - IAD

2 stops28h 52mAmerican Airlines

Mon 1/56:05 amIAD - KIX

2 stops24h 30mAmerican Airlines

Deal found 12/4

$1,452

Thu 12/251:00 pmKIX - IAD

2 stops34h 05mMultiple Airlines

Thu 1/89:00 amIAD - KIX

2 stops21h 35mMultiple Airlines

Deal found 12/3

$1,366

Thu 12/251:00 pmKIX - IAD

1 stop41h 05mKLM

Thu 1/87:49 pmIAD - KIX

2 stops49h 31mKLM

Deal found 12/3

$1,448

Sat 1/176:10 pmKIX - IAD

2 stops36h 16mMultiple Airlines

Sat 1/246:04 pmIAD - KIX

2 stops25h 51mMultiple Airlines

Deal found 12/3

$1,150

Sat 1/178:45 pmKIX - IAD

2 stops33h 41mAlaska Airlines

Sat 1/245:26 pmIAD - KIX

3 stops35h 19mAlaska Airlines

Deal found 12/3

$1,213

Sun 1/1812:55 pmKIX - IAD

2 stops41h 31mMultiple Airlines

Sun 1/256:04 pmIAD - KIX

2 stops25h 51mMultiple Airlines

Deal found 12/4

$1,167

Mon 1/193:45 pmKIX - IAD

2 stops18h 41mMultiple Airlines

Mon 1/269:00 amIAD - KIX

2 stops20h 25mMultiple Airlines

Deal found 12/5

$1,100

Mon 1/198:45 pmKIX - IAD

2 stops34h 19mAlaska Airlines

Mon 1/265:26 pmIAD - KIX

3 stops35h 19mAlaska Airlines

Deal found 12/5

$1,274

Thu 1/223:45 pmKIX - IAD

2 stops38h 45mAir Canada

Mon 1/269:00 amIAD - KIX

2 stops20h 25mAir Canada

Deal found 12/4

$1,184

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 December 5, 2025.

Mon 12/159:10 pmKIX - IAD

3 stops55h 19mMultiple Airlines

Deal found 12/4

$417

Sat 12/139:10 pmKIX - IAD

3 stops58h 15mMultiple Airlines

Deal found 12/4

$514

Fri 3/67:50 amKIX - IAD

3 stops51h 23mMultiple Airlines

Deal found 12/4

$529

Wed 12/108:00 amKIX - IAD

3 stops53h 10mMultiple Airlines

Deal found 12/4

$531

Sat 3/78:25 pmKIX - IAD

3 stops52h 13mMultiple Airlines

Deal found 12/4

$534

Tue 3/317:40 amKIX - IAD

3 stops50h 33mMultiple Airlines

Deal found 12/3

$548

Fri 12/128:00 amKIX - IAD

3 stops53h 05mMultiple Airlines

Deal found 12/4

$558

Thu 3/510:50 amKIX - IAD

3 stops44h 24mMultiple Airlines

Deal found 12/4

$571

Thu 12/1110:50 amKIX - IAD

3 stops43h 34mMultiple Airlines

Deal found 12/4

$600

Sat 1/1710:50 amKIX - IAD

3 stops37h 29mMultiple Airlines

Deal found 12/4

$607

Wed 3/411:15 amKIX - IAD

3 stops44h 12mMultiple Airlines

Deal found 12/4

$627

Find flight deals from Kansai Intl to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,041 (Mytrip)
One-way from	$417 (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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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

Mon 1/19

3:45 pm-8:26 pm

2 stops18h 41m

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

$1,100

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 2/5

3:45 pm-4:30 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Sun 2/8

9:00 am-7:25 pm

2 stops20h 25m

$1,146

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-8:35 pm

2 stops21h 35m

$1,146

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 1/17

6:10 pm-4:26 pm

2 stops36h 16m

Washington, D.C. Dulles Intl

Sat 1/24

6:04 pm-9:55 am

2 stops25h 51m

$1,150

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 1/22

3:45 pm-4:30 pm

2 stops38h 45m

Washington, D.C. Dulles Intl

Mon 1/26

9:00 am-7:25 pm

2 stops20h 25m

$1,184

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 1/17

8:45 pm-4:26 pm

2 stops33h 41m

Washington, D.C. Dulles Intl

Sat 1/24

5:26 pm-6:45 pm

3 stops35h 19m

$1,213

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 2/13

3:00 pm-8:29 pm

2 stops19h 29m

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-7:25 pm

2 stops20h 25m

$1,216

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 2/13

9:00 am-6:30 pm

1 stop23h 30m

Washington, D.C. Dulles Intl

Fri 2/20

10:00 pm-8:10 pm

1 stop32h 10m

$1,218

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 3/3

7:50 am-8:54 pm

2 stops27h 04m

Washington, D.C. Dulles Intl

Thu 4/23

12:37 pm-9:40 am

3 stops32h 03m

$1,246

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 1/19

8:45 pm-5:04 pm

2 stops34h 19m

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-6:45 pm

3 stops35h 19m

$1,274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 20 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 38h 45m. 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.

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$417+ 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 12/15. 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

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 December 5, 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 December 5, 2025.

Find flight deals from Kansai Intl to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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?

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

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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 December 5, 2025.