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 15h 25m. 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

$523+ Cheap 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

Best

Last-minute

One-way

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 August 27, 2026.

Fri 10/26:00 pm -

1 stop15h 25m

Thu 10/229:55 am -

1 stop17h 30m

Deal found 8/24

$1,167

Thu 10/812:00 pm -

1 stop35h 50m

Wed 10/141:15 am -

1 stop21h 55m

Deal found 8/23

$1,180

Mon 10/267:25 pm -

2 stops33h 28m

Tue 11/31:19 pm -

2 stops38h 21m

Deal found 8/22

$1,187

Sun 9/276:00 pm -

1 stop34h 25m

Mon 10/124:00 pm -

1 stop35h 25m

Deal found 8/26

$1,190

Tue 10/66:00 pm -

2 stops26h 43m

Tue 10/1312:35 pm -

2 stops38h 50m

Deal found 8/22

$1,191

Mon 10/267:25 pm -

2 stops33h 28m

Sun 11/112:39 pm -

2 stops39h 01m

Deal found 8/22

$1,196

Wed 10/76:00 pm -

1 stop15h 25m

Wed 10/144:00 pm -

1 stop35h 25m

Deal found 8/23

$1,221

Thu 10/86:00 pm -

2 stops26h 43m

Thu 10/1510:10 pm -

2 stops29h 15m

Deal found 8/24

$1,222

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 August 27, 2026.

Sun 10/187:25 pm -

1 stop27h 20m

Thu 10/223:10 pm -

2 stops39h 10m

Deal found 8/26

$1,301

Sun 9/136:00 pm -

2 stops26h 43m

Sun 12/279:55 am -

2 stops19h 35m

Deal found 8/26

$1,397

Wed 10/2810:55 am -

1 stop24h 00m

Fri 10/301:15 am -

1 stop26h 40m

Deal found 8/22

$1,531

Sun 10/113:10 pm -

2 stops27h 30m

Sun 10/185:33 pm -

2 stops29h 42m

Deal found 8/26

$1,709

Mon 9/76:55 pm -

1 stop33h 45m

Tue 12/228:05 pm -

1 stop30h 20m

Deal found 8/25

$1,919

Sat 10/248:20 pm -

2 stops50h 45m

Mon 11/22:35 pm -

2 stops54h 35m

Deal found 8/22

$1,331

Sat 11/149:50 am -

2 stops37h 15m

Mon 11/232:35 pm -

2 stops38h 30m

Deal found 8/24

$1,332

Sat 10/248:20 pm -

2 stops50h 45m

Sun 11/12:35 pm -

2 stops50h 40m

Deal found 8/22

$1,333

Sat 10/2411:10 am -

1 stop23h 50m

Wed 11/411:55 pm -

1 stop27h 00m

Deal found 8/22

$1,619

Sun 10/43:10 pm -

2 stops27h 30m

Thu 10/85:33 pm -

2 stops31h 27m

Deal found 8/24

$1,742

Fri 10/93:10 pm -

2 stops27h 30m

Fri 10/165:33 pm -

2 stops29h 42m

Deal found 8/25

$1,838

Last-minute flights from Kansai Intl to Dulles Intl
Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated August 27, 2026 and is based on user searches.

Tue 9/17:30 pm -

1 stop28h 20m

Mon 9/141:20 pm -

1 stop31h 45m

Deal found 8/25

$1,227

Thu 9/106:00 pm -

2 stops40h 14m

Mon 11/95:46 pm -

2 stops57h 54m

Deal found 8/22

$1,233

Fri 9/116:00 pm -

2 stops35h 35m

Mon 11/95:46 pm -

2 stops57h 54m

Deal found 8/22

$1,241

Sat 9/126:00 pm -

2 stops39h 25m

Mon 11/95:46 pm -

2 stops57h 54m

Deal found 8/22

$1,273

Sun 9/1311:35 am -

1 stop36h 15m

Sun 12/2711:35 pm -

1 stop20h 20m

Deal found 8/26

$1,224

Mon 9/216:00 pm -

2 stops26h 43m

Mon 9/284:00 pm -

1 stop35h 25m

Deal found 8/23

$1,237

Sun 9/276:00 pm -

1 stop34h 25m

Mon 10/124:00 pm -

1 stop35h 25m

Deal found 8/26

$1,190

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 August 27, 2026.

Sun 11/158:40 pm -

3 stops58h 32m

Deal found 8/23

$523

Fri 10/97:35 am -

3 stops46h 43m

Deal found 8/25

$551

Wed 9/97:35 am -

3 stops46h 43m

Deal found 8/22

$554

Fri 9/1112:10 pm -

3 stops42h 08m

Deal found 8/22

$595

Mon 9/147:35 am -

3 stops39h 42m

Deal found 8/22

$607

Thu 9/107:55 pm -

1 stop27h 55m

Deal found 8/25

$612

Wed 10/147:45 am -

3 stops29h 36m

Deal found 8/26

$628

Tue 9/811:35 pm -

3 stops37h 24m

Deal found 8/22

$653

Find flight deals from Kansai Intl to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,167 (Gotogate)
One-way from	$523 (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

Cheapest round-trip

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sun 10/18

7:25 pm-9:45 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Thu 10/22

3:10 pm-7:20 pm

2 stops39h 10m

$1,301

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 10/24

8:20 pm-10:05 am

2 stops50h 45m

Washington, D.C. Dulles Intl

Mon 11/2

2:35 pm-11:10 am

2 stops54h 35m

$1,331

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 11/14

9:50 am-9:05 am

2 stops37h 15m

Washington, D.C. Dulles Intl

Mon 11/23

2:35 pm-7:05 pm

2 stops38h 30m

$1,332

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 10/24

8:20 pm-10:05 am

2 stops50h 45m

Washington, D.C. Dulles Intl

Sun 11/1

2:35 pm-7:15 am

2 stops50h 40m

$1,333

Quickest round-trip

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sun 9/13

6:00 pm-7:43 am

2 stops26h 43m

Washington, D.C. Dulles Intl

Sun 12/27

9:55 am-7:30 pm

2 stops19h 35m

$1,397

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Wed 10/28

10:55 am-9:55 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Fri 10/30

1:15 am-4:55 pm

1 stop26h 40m

$1,531

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sat 10/24

11:10 am-10:00 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Wed 11/4

11:55 pm-4:55 pm

1 stop27h 00m

$1,619

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sun 10/11

3:10 pm-5:40 am

2 stops27h 30m

Washington, D.C. Dulles Intl

Sun 10/18

5:33 pm-12:15 pm

2 stops29h 42m

$1,709

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Sun 10/4

3:10 pm-5:40 am

2 stops27h 30m

Washington, D.C. Dulles Intl

Thu 10/8

5:33 pm-2:00 pm

2 stops31h 27m

$1,742

OsakaWashington, D.C.

KIX Osaka Kansai Intl - IAD Washington, D.C. Dulles Intl

KIXIAD

Osaka Kansai Intl

Fri 10/9

3:10 pm-5:40 am

2 stops27h 30m

Washington, D.C. Dulles Intl

Fri 10/16

5:33 pm-12:15 pm

2 stops29h 42m

$1,838

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 15 resultsSorted by cheapest first

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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

KIX-IAD

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 15h 25m. 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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$523+ 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 11/15. 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

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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 August 27, 2026.

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 August 27, 2026.

Best flights from Kansai Intl to Dulles IntlDiscover 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 August 27, 2026.

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 August 27, 2026.

Last-minute flights from Kansai Intl to Dulles IntlDiscover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated August 27, 2026 and is based on user searches.

Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated August 27, 2026 and is based on user searches.

One-way flights from Kansai Intl to Dulles IntlSearch for one-way flight options from Kansai Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Search for one-way flight options from Kansai Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

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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

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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Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

Search flights from Kansai Intl to Dulles Intl by cabin class

Find flights from Kansai Intl to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kansai Intl and Dulles Intl flights

Browse other Kansai Intl and Dulles Intl flight options. Last updated on August 27, 2026.

Other flights from Kansai Intl

Browse through other flights departing from Kansai Intl. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

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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 August 27, 2026.

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 August 27, 2026.

Last-minute flights from Kansai Intl to Dulles Intl
Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated August 27, 2026 and is based on user searches.

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 August 27, 2026.