What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $831. Users have also found prices from $948 and $1,253 on Air China and Asiana Airlines, respectively.

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 $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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 month to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport?

Our data shows that May tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Osaka Kansai Intl Airport. Users have commonly found prices around $1,624 for the month, but tickets can be as low as $1,075. Due to multiple factors, prepare for potentially higher prices in March.

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.

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.

$683+ 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

Round-trip from	$1,001 (Air Canada)
One-way from	$683 (EVA Air)
Popular in	March
Cheapest in	May
Average price	$1,610

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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Highest demand for flights based on searches. 17% potential increase in price ($346 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($93 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 julio 7, 2025.

mar. 8/266:05 pmKIX - IAD

1 stop25h 26mAir Canada

mar. 9/165:37 pmIAD - KIX

2 stops33h 48mAir Canada

Deal found 7/7

$1,001

jue. 8/217:40 amKIX - IAD

2 stops26h 21mMultiple Airlines

jue. 8/2810:20 amIAD - KIX

1 stop17h 05mMultiple Airlines

Deal found 7/6

$1,136

jue. 10/168:30 amKIX - IAD

1 stop20h 05mUnited Airlines

sáb. 10/1810:05 pmIAD - KIX

1 stop27h 45mUnited Airlines

Deal found 7/6

$1,272

jue. 10/166:45 amKIX - IAD

1 stop16h 20mANA

sáb. 10/1812:15 pmIAD - KIX

1 stop21h 05mANA

Deal found 7/4

$1,359

lun. 7/289:30 amKIX - IAD

1 stop42h 50mLufthansa

lun. 8/255:16 pmIAD - KIX

2 stops24h 59mLufthansa

Deal found 7/5

$1,534

vie. 8/2912:35 pmKIX - IAD

1 stop35h 40mKorean Air

vie. 11/711:50 amIAD - KIX

1 stop19h 10mKorean Air

Deal found 7/5

$1,563

jue. 10/169:10 amKIX - IAD

2 stops22h 29mAsiana Airlines

sáb. 10/185:42 pmIAD - KIX

2 stops33h 08mAsiana Airlines

Deal found 7/6

$1,603

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 julio 7, 2025.

mar. 8/266:05 pmKIX - IAD

1 stop25h 26mAir Canada

mar. 9/165:37 pmIAD - KIX

2 stops33h 48mAir Canada

Deal found 7/7

$1,001

jue. 8/217:40 amKIX - IAD

2 stops26h 21mMultiple Airlines

jue. 8/2810:20 amIAD - KIX

1 stop17h 05mMultiple Airlines

Deal found 7/6

$1,136

jue. 10/168:30 amKIX - IAD

1 stop20h 05mUnited Airlines

sáb. 10/1810:05 pmIAD - KIX

1 stop27h 45mUnited Airlines

Deal found 7/6

$1,272

jue. 10/166:45 amKIX - IAD

1 stop16h 20mANA

sáb. 10/1812:15 pmIAD - KIX

1 stop21h 05mANA

Deal found 7/4

$1,359

lun. 7/289:30 amKIX - IAD

1 stop42h 50mLufthansa

lun. 8/255:16 pmIAD - KIX

2 stops24h 59mLufthansa

Deal found 7/5

$1,534

vie. 8/2912:35 pmKIX - IAD

1 stop35h 40mKorean Air

vie. 11/711:50 amIAD - KIX

1 stop19h 10mKorean Air

Deal found 7/5

$1,563

jue. 10/169:10 amKIX - IAD

2 stops22h 29mAsiana Airlines

sáb. 10/185:42 pmIAD - KIX

2 stops33h 08mAsiana Airlines

Deal found 7/6

$1,603

Last-minute flights from Kansai Intl to Dulles Intl
Discover last-minute flight deals from Kansai Intl to Dulles Intl. Data last updated julio 7, 2025 and is based on user searches.

lun. 7/289:30 amKIX - IAD

1 stop42h 50mLufthansa

lun. 8/255:16 pmIAD - KIX

2 stops24h 59mLufthansa

Deal found 7/5

$1,534

mar. 8/194:55 pmKIX - IAD

1 stop17h 27mUnited Airlines

mar. 8/263:00 pmIAD - KIX

1 stop34h 50mUnited Airlines

Deal found 7/5

$1,275

jue. 8/217:40 amKIX - IAD

2 stops26h 21mMultiple Airlines

jue. 8/2810:20 amIAD - KIX

1 stop17h 05mMultiple Airlines

Deal found 7/6

$1,136

mar. 8/266:05 pmKIX - IAD

1 stop25h 26mAir Canada

mar. 9/165:37 pmIAD - KIX

2 stops33h 48mAir Canada

Deal found 7/7

$1,001

vie. 8/2912:35 pmKIX - IAD

1 stop35h 40mKorean Air

vie. 11/711:50 amIAD - KIX

1 stop19h 10mKorean Air

Deal found 7/5

$1,563

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 julio 7, 2025.

dom. 11/96:00 pmKIX - IAD

2 stops26h 23mMultiple Airlines

Deal found 7/6

$683

sáb. 10/251:10 pmKIX - IAD

2 stops40h 36mChina Airlines

Deal found 7/7

$831

vie. 10/249:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 7/6

$948

dom. 10/269:10 amKIX - IAD

2 stops24h 29mAsiana Airlines

Deal found 7/6

$1,253

dom. 11/910:50 pmKIX - IAD

1 stop26h 55mTurkish Airlines

Deal found 7/6

$1,315

lun. 8/46:55 pmKIX - IAD

1 stop33h 45mQatar Airways

Deal found 7/5

$1,502

sáb. 10/255:00 pmKIX - IAD

3 stops53h 00mEthiopian Air

Deal found 7/7

$2,001

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

mar. 8/26

6:05 pm-6:31 am

1 stop25h 26m

Washington, D.C. Dulles Intl

mar. 9/16

5:37 pm-4:25 pm

2 stops33h 48m

$1,001

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

jue. 8/21

7:40 am-9:01 pm

2 stops26h 21m

Washington, D.C. Dulles Intl

jue. 8/28

10:20 am-4:25 pm

1 stop17h 05m

$1,136

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

jue. 10/16

8:30 am-3:35 pm

1 stop20h 05m

Washington, D.C. Dulles Intl

sáb. 10/18

10:05 pm-2:50 pm

1 stop27h 45m

$1,272

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

jue. 10/16

6:45 am-10:05 am

1 stop16h 20m

Washington, D.C. Dulles Intl

sáb. 10/18

12:15 pm-10:20 pm

1 stop21h 05m

$1,359

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

lun. 7/28

9:30 am-3:20 pm

1 stop42h 50m

Washington, D.C. Dulles Intl

lun. 8/25

5:16 pm-7:15 am

2 stops24h 59m

$1,534

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 8/29

12:35 pm-11:15 am

1 stop35h 40m

Washington, D.C. Dulles Intl

vie. 11/7

11:50 am-9:00 pm

1 stop19h 10m

$1,563

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

jue. 10/16

9:10 am-6:39 pm

2 stops22h 29m

Washington, D.C. Dulles Intl

sáb. 10/18

5:42 pm-3:50 pm

2 stops33h 08m

$1,603

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

dom. 11/9

6:00 pm-6:23 am

2 stops26h 23m

$683

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

sáb. 10/25

1:10 pm-4:46 pm

2 stops40h 36m

$831

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

vie. 10/24

9:05 am-7:30 pm

1 stop23h 25m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 14 results

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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with ANA, Korean Air, and China Airlines from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

ANA

8.4

Very good

895 reviews

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Korean Air

8.4

Very good

1,103 reviews

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

China Airlines

8.3

Very good

744 reviews

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Asiana Airlines

8.2

Very good

454 reviews

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Qatar Airways

7.4

Good

3,590 reviews

ANA

8.4

Very good

895 reviews

Reviews

1 / 20

10.0

Excellent

Kenneth,Jul 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Related info for your journey

What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport one-way?
For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $831. Users have also found prices from $948 and $1,253 on Air China and Asiana Airlines, respectively.
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 $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

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$683+ 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 11/9. 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

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3. Compare prices and book

Cheap flight deals from Kansai Intl to Dulles Intl

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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 julio 7, 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 julio 7, 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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with ANA, Korean Air, and China Airlines from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

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?

What is the cheapest month to book a flight from Osaka Kansai Intl Airport to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Osaka Kansai 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 julio 7, 2025.