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

The cheapest airlines for a one-way flight from Osaka Kansai Intl Airport to Washington, D.C. are EVA Air ($717), Air China ($818), and Air Canada ($1,138).

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

Currently, August is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. (average of $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. in June is currently the most expensive (average of $373). 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.

What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Baltimore/Washington or Osaka Kansai Intl - Washington, D.C. Reagan-National when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..

What is the cheapest month to fly from Osaka Kansai Intl Airport to Washington, D.C.?

October is one of the best times of the year to fly to Washington, D.C. from Osaka Kansai Intl Airport. Prices for October average $1,683 per person but you can even find prices for as low as $1,208. The most expensive prices can be found in the month of March. Opting for a October flight can save you 46% on your journey compared to booking in March

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

When flying from Osaka Kansai Intl Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 7% versus a flight in the morning.

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kansai Intl to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington, D.C..

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

Yes. Cheapflights offers flight deals from Kansai Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$505+ Flights from Osaka Kansai Intl Airport to Washington, D.C.

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Cheap flight deals from Kansai Intl to Washington, D.C.

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,180 (Trip.com)
One-way from	$505 (Kiwi.com)
Popular in	March
Cheapest in	October
Average price	$1,983

Provider with most accurate pricing for Osaka (OSA)-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Osaka (OSA)-Washington, D.C. (WAS) flights.

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From Osaka Kansai Intl to Washington, D.C. (WAS)

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One-way flight from Osaka Kansai Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 14% potential increase in price ($287 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($87 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 5/146:30 pmKIX - IAD

2 stops34h 44mMultiple Airlines

Sat 5/177:25 pmIAD - KIX

2 stops25h 45mMultiple Airlines

Deal found 4/30

$1,180

Sat 6/143:10 pmKIX - BWI

3 stops35h 03mMultiple Airlines

Sat 6/215:57 pmBWI - KIX

3 stops31h 03mMultiple Airlines

Deal found 4/30

$1,271

Wed 6/256:05 pmKIX - DCA

1 stop17h 22mAir Canada

Mon 6/308:40 pmDCA - KIX

1 stop30h 45mAir Canada

Deal found 4/29

$1,458

Sat 6/143:30 pmKIX - DCA

3 stops30h 23mMultiple Airlines

Sat 6/218:40 pmDCA - KIX

3 stops30h 45mMultiple Airlines

Deal found 4/30

$1,663

Sat 6/1412:00 pmKIX - IAD

1 stop40h 35mKLM

Sat 6/215:25 pmIAD - KIX

2 stops27h 00mKLM

Deal found 4/30

$1,669

Wed 6/2511:20 amKIX - IAD

1 stop44h 55mAir France

Mon 6/309:20 pmIAD - KIX

1 stop23h 05mAir France

Deal found 4/29

$1,702

Wed 6/254:55 pmKIX - BWI

2 stops25h 25mUnited Airlines

Mon 6/306:42 amBWI - KIX

1 stop19h 08mUnited Airlines

Deal found 4/29

$1,743

Mon 5/129:10 amKIX - IAD

2 stops33h 30mCathay Pacific

Sun 5/257:25 pmIAD - KIX

3 stops30h 30mCathay Pacific

Deal found 4/30

$1,764

Wed 5/144:50 pmKIX - IAD

2 stops25h 32mUnited Airlines

Sat 5/172:32 pmIAD - KIX

1 stop35h 18mUnited Airlines

Deal found 4/30

$1,947

Wed 5/146:10 pmKIX - IAD

1 stop35h 00mEtihad Airways

Sat 5/1710:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Deal found 4/30

$1,955

Sun 6/154:55 pmKIX - DCA

3 stops38h 07mUnited Airlines

Sat 6/284:17 pmDCA - KIX

2 stops33h 33mUnited Airlines

Deal found 4/29

$2,015

Fri 6/136:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Fri 6/209:00 pmIAD - KIX

1 stop31h 25mQatar Airways

Deal found 4/29

$2,038

Best flights from Kansai Intl to Washington, D.C.
Discover carefully curated flight deals from Kansai Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 5/146:30 pmKIX - IAD

2 stops34h 44mMultiple Airlines

Sat 5/177:25 pmIAD - KIX

2 stops25h 45mMultiple Airlines

Deal found 4/30

$1,180

Wed 6/256:05 pmKIX - DCA

1 stop17h 22mAir Canada

Mon 6/308:40 pmDCA - KIX

1 stop30h 45mAir Canada

Deal found 4/29

$1,458

Sat 6/1412:00 pmKIX - IAD

1 stop40h 35mKLM

Sat 6/215:25 pmIAD - KIX

2 stops27h 00mKLM

Deal found 4/30

$1,669

Wed 6/2511:20 amKIX - IAD

1 stop44h 55mAir France

Mon 6/309:20 pmIAD - KIX

1 stop23h 05mAir France

Deal found 4/29

$1,702

Wed 6/254:55 pmKIX - BWI

2 stops25h 25mUnited Airlines

Mon 6/306:42 amBWI - KIX

1 stop19h 08mUnited Airlines

Deal found 4/29

$1,743

Mon 5/129:10 amKIX - IAD

2 stops33h 30mCathay Pacific

Sun 5/257:25 pmIAD - KIX

3 stops30h 30mCathay Pacific

Deal found 4/30

$1,764

Wed 5/146:10 pmKIX - IAD

1 stop35h 00mEtihad Airways

Sat 5/1710:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Deal found 4/30

$1,955

Fri 6/136:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Fri 6/209:00 pmIAD - KIX

1 stop31h 25mQatar Airways

Deal found 4/29

$2,038

Fri 6/139:05 amKIX - IAD

1 stop23h 25mAir China

Fri 6/2011:00 pmIAD - KIX

1 stop27h 20mAir China

Deal found 4/29

$2,056

Sun 6/1512:35 pmKIX - BWI

2 stops21h 08mDelta

Sat 6/287:40 pmBWI - KIX

2 stops26h 40mDelta

Deal found 4/29

$2,150

Sat 6/1411:45 pmKIX - IAD

1 stop45h 55mEmirates

Sat 6/2110:55 amIAD - KIX

1 stop41h 20mEmirates

Deal found 4/29

$2,268

Sat 6/143:10 pmKIX - BWI

3 stops35h 03mMultiple Airlines

Sat 6/215:57 pmBWI - KIX

3 stops31h 03mMultiple Airlines

Deal found 4/30

$1,271

Last-minute flights from Kansai Intl to Washington, D.C.
Discover last-minute flight deals from Kansai Intl to Washington, D.C.. Data last updated May 1, 2025 and is based on user searches.

Mon 5/121:10 pmKIX - BWI

2 stops29h 03mMultiple Airlines

Sun 5/257:00 pmBWI - KIX

2 stops28h 10mMultiple Airlines

Deal found 4/30

$1,499

Mon 5/129:10 amKIX - IAD

2 stops33h 30mCathay Pacific

Sun 5/257:25 pmIAD - KIX

3 stops30h 30mCathay Pacific

Deal found 4/30

$1,764

Mon 5/124:50 pmKIX - BWI

1 stop27h 27mUnited Airlines

Sun 5/256:51 amBWI - KIX

2 stops23h 39mUnited Airlines

Deal found 4/30

$2,128

Wed 5/146:30 pmKIX - IAD

2 stops34h 44mMultiple Airlines

Sat 5/177:25 pmIAD - KIX

2 stops25h 45mMultiple Airlines

Deal found 4/30

$1,180

Wed 5/144:50 pmKIX - IAD

2 stops25h 32mUnited Airlines

Sat 5/172:32 pmIAD - KIX

1 stop35h 18mUnited Airlines

Deal found 4/30

$1,947

Wed 5/146:10 pmKIX - IAD

1 stop35h 00mEtihad Airways

Sat 5/1710:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Deal found 4/30

$1,955

One-way flights from Kansai Intl to Washington, D.C.
Search for one-way flight options from Kansai Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 5/1412:10 pmKIX - IAD

3 stops39h 13mMultiple Airlines

Deal found 4/30

$505

Sun 6/157:35 amKIX - BWI

3 stops35h 08mMultiple Airlines

Deal found 4/30

$560

Sun 6/1512:25 pmKIX - DCA

3 stops45h 34mMultiple Airlines

Deal found 4/30

$696

Sat 9/2011:10 amKIX - IAD

2 stops33h 22mEVA Air

Deal found 4/29

$717

Fri 9/1911:10 amKIX - DCA

2 stops46h 49mEVA Air

Deal found 4/29

$717

Fri 6/209:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/29

$818

Fri 7/41:10 pmKIX - BWI

2 stops41h 58mEVA Air

Deal found 4/30

$996

Fri 7/46:05 pmKIX - DCA

1 stop27h 47mAir Canada

Deal found 4/30

$1,138

Fri 10/174:20 pmKIX - DCA

3 stops29h 47mCathay Pacific

Deal found 4/30

$1,149

Tue 7/16:05 pmKIX - IAD

1 stop25h 16mAir Canada

Deal found 4/30

$1,163

Tue 7/224:55 pmKIX - BWI

1 stop25h 33mUnited Airlines

Deal found 4/30

$1,183

Sun 7/2712:35 pmKIX - BWI

2 stops30h 25mDelta

Deal found 4/30

$1,217

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 5/14

6:30 pm-4:14 pm

2 stops34h 44m

Washington, D.C. Dulles Intl

Sat 5/17

7:25 pm-10:10 am

2 stops25h 45m

$1,180

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Sat 6/14

3:10 pm-1:13 pm

3 stops35h 03m

Baltimore/Washington

Sat 6/21

5:57 pm-2:00 pm

3 stops31h 03m

$1,271

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 6/25

6:05 pm-10:27 pm

1 stop17h 22m

Washington, D.C. Reagan-National

Mon 6/30

8:40 pm-4:25 pm

1 stop30h 45m

$1,458

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 6/14

3:30 pm-8:53 am

3 stops30h 23m

Washington, D.C. Reagan-National

Sat 6/21

8:40 pm-4:25 pm

3 stops30h 45m

$1,663

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 6/14

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Sat 6/21

5:25 pm-9:25 am

2 stops27h 00m

$1,669

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 6/25

11:20 am-7:15 pm

1 stop44h 55m

Washington, D.C. Dulles Intl

Mon 6/30

9:20 pm-9:25 am

1 stop23h 05m

$1,702

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 6/25

4:55 pm-5:20 am

2 stops25h 25m

Baltimore/Washington

Mon 6/30

6:42 am-2:50 pm

1 stop19h 08m

$1,743

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 5/12

9:10 am-5:40 am

2 stops33h 30m

Washington, D.C. Dulles Intl

Sun 5/25

7:25 pm-2:55 pm

3 stops30h 30m

$1,764

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 5/14

4:50 pm-5:22 am

2 stops25h 32m

Washington, D.C. Dulles Intl

Sat 5/17

2:32 pm-2:50 pm

1 stop35h 18m

$1,947

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 5/14

6:10 pm-4:10 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Sat 5/17

10:05 pm-11:40 am

1 stop24h 35m

$1,955

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 43 results

...

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Japan Airlines and Asiana Airlines from Osaka to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,459 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Asiana Airlines

8.2

Very good

442 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Emirates

8.0

Very good

3,215 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Delta

8.0

Very good

7,934 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Osaka Kansai Intl Airport to Washington, D.C. are EVA Air ($717), Air China ($818), and Air Canada ($1,138).
What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?
Most travelers choose Osaka Kansai Intl - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Baltimore/Washington or Osaka Kansai Intl - Washington, D.C. Reagan-National when deciding on the best route from Osaka Kansai Intl Airport to Washington, D.C..
Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Kansai Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansai Intl to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington, D.C..
Can I find deals for business class flights from Kansai Intl to Washington, D.C.?
Yes. Cheapflights offers flight deals from Kansai Intl to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Washington, D.C. (average of $309). Flying from Osaka Kansai Intl Airport to Washington, D.C. in June is currently the most expensive (average of $373). 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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$505+ Cheap flights from Kansai Intl (KIX) to Washington, D.C. (WAS)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansai Intl to Washington, D.C. with Cheapflights

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Cheap flight deals from Kansai Intl to Washington, D.C.

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Find flight deals from Kansai Intl to Washington, D.C.

Cheapest flights from Kansai Intl to Washington, D.C.Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. that are best for you.

Best time to book a flight from Kansai Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Kansai Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Japan Airlines and Asiana Airlines from Osaka to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up 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 Washington, D.C.. 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. one-way?

What are the most popular routes from Osaka Kansai Intl Airport to Washington, D.C.?

Can I find deals for flights from Kansai Intl to Washington, D.C. that include hotel bookings?

How can I find direct flights from Kansai Intl to Washington, D.C.?

Can I find deals for business class flights from Kansai Intl to Washington, D.C.?

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

Traveling to a place near Osaka Kansai Intl Airport?

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Cheapest flights from Kansai Intl to Washington, D.C.
Explore the most affordable flight options available from Kansai Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.