What are the cheapest airlines flying from Osaka to Washington, D.C. round-trip?

Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $1,204. Additional round-trip tickets that might be worth considering are offered by Air China and United Airlines, with the lowest prices starting at $1,214 and $1,410, respectively.

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

The cheapest airlines for a one-way flight from Osaka to Washington, D.C. are EVA Air ($700), Air China ($947), and Japan Airlines ($993).

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

Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. (average of $241). Flying from Osaka to Washington, D.C. in March is currently the most expensive (average of $290). 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 is the cheapest day to fly from Osaka to Washington, D.C.?

Travelers seeking maximum savings on their Osaka to Washington, D.C. flight should consider departing on Monday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

The most popular flight routes from Osaka to Washington, D.C. are Osaka Kansai Intl - Washington, D.C. Reagan-National, Osaka Itami - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Washington, D.C. Dulles Intl.

What is the cheapest day to fly round-trip from Osaka to Washington, D.C.?

Thursday is generally a great day to depart. Flying on this day could help you save up to 43%.

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

It’s typically best to fly out from Osaka to Washington, D.C. in the afternoon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

How can I find direct flights from Osaka 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 Osaka to Washington, D.C..

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

Yes. Cheapflights offers flight deals from Osaka 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.

$493+ Flights from Osaka to Washington, D.C.

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Cheap flight deals from Osaka to Washington, D.C.

Round-trip from	$1,144 (EVA Air)
One-way from	$493 (Kiwi.com)

From Osaka (OSA) to Washington, D.C. (WAS)

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

Search Deals

Find flight deals from Osaka to Washington, D.C.

Cheapest flights from Osaka to Washington, D.C.
Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Tue 9/96:30 pmKIX - IAD

2 stops26h 02mMultiple Airlines

Tue 9/166:09 pmIAD - KIX

2 stops27h 01mMultiple Airlines

Deal found 6/10

$1,144

Wed 7/27:35 amKIX - BWI

3 stops45h 33mMultiple Airlines

Wed 7/96:22 pmBWI - KIX

2 stops33h 43mMultiple Airlines

Deal found 6/10

$1,190

Fri 9/512:35 pmKIX - BWI

2 stops21h 40mDelta

Wed 11/126:00 amBWI - KIX

2 stops25h 00mDelta

Deal found 6/10

$1,204

Mon 9/154:45 pmKIX - IAD

1 stop39h 45mAir China

Fri 9/1911:00 pmIAD - KIX

1 stop27h 20mAir China

Deal found 6/10

$1,214

Wed 7/2312:25 pmKIX - DCA

3 stops33h 27mMultiple Airlines

Wed 7/3011:00 amDCA - KIX

2 stops22h 50mMultiple Airlines

Deal found 6/9

$1,355

Tue 8/264:55 pmKIX - BWI

2 stops30h 00mUnited Airlines

Wed 10/89:00 amBWI - KIX

1 stop40h 50mUnited Airlines

Deal found 6/10

$1,410

Fri 9/126:05 pmKIX - IAD

1 stop30h 40mAir Canada

Thu 9/188:28 amIAD - KIX

1 stop18h 57mAir Canada

Deal found 6/10

$1,427

Fri 10/106:05 pmKIX - DCA

1 stop36h 59mAir Canada

Thu 10/166:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 6/10

$1,427

Tue 10/286:30 pmKIX - IAD

2 stops30h 19mUnited Airlines

Tue 11/116:39 pmIAD - KIX

1 stop31h 56mUnited Airlines

Deal found 6/11

$1,431

Tue 9/912:00 pmITM - IAD

1 stop16h 35mUnited Airlines

Tue 9/166:20 amIAD - ITM

2 stops21h 45mUnited Airlines

Deal found 6/10

$1,435

Fri 11/71:00 pmITM - DCA

2 stops22h 43mUnited Airlines

Wed 11/127:00 amDCA - ITM

2 stops21h 10mUnited Airlines

Deal found 6/10

$1,441

Wed 6/118:30 amITM - DCA

2 stops20h 52mAmerican Airlines

Mon 6/236:00 amDCA - ITM

2 stops22h 35mAmerican Airlines

Deal found 6/10

$1,497

Best flights from Osaka to Washington, D.C.
Discover carefully curated flight deals from Osaka to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 9/96:30 pmKIX - IAD

2 stops26h 02mMultiple Airlines

Tue 9/166:09 pmIAD - KIX

2 stops27h 01mMultiple Airlines

Deal found 6/10

$1,144

Fri 9/512:35 pmKIX - BWI

2 stops21h 40mDelta

Wed 11/126:00 amBWI - KIX

2 stops25h 00mDelta

Deal found 6/10

$1,204

Mon 9/154:45 pmKIX - IAD

1 stop39h 45mAir China

Fri 9/1911:00 pmIAD - KIX

1 stop27h 20mAir China

Deal found 6/10

$1,214

Tue 8/264:55 pmKIX - BWI

2 stops30h 00mUnited Airlines

Wed 10/89:00 amBWI - KIX

1 stop40h 50mUnited Airlines

Deal found 6/10

$1,410

Fri 9/126:05 pmKIX - IAD

1 stop30h 40mAir Canada

Thu 9/188:28 amIAD - KIX

1 stop18h 57mAir Canada

Deal found 6/10

$1,427

Tue 8/267:25 amITM - DCA

2 stops21h 46mAmerican Airlines

Wed 10/87:45 amDCA - ITM

2 stops22h 25mAmerican Airlines

Deal found 6/10

$1,501

Tue 8/268:45 pmKIX - DCA

2 stops32h 21mAlaska Airlines

Wed 10/89:59 amDCA - KIX

2 stops43h 46mAlaska Airlines

Deal found 6/10

$1,592

Wed 7/2311:20 amKIX - IAD

1 stop44h 55mAir France

Thu 8/286:30 pmIAD - KIX

1 stop25h 55mAir France

Deal found 6/10

$1,593

Fri 9/58:30 amITM - DCA

2 stops20h 52mJapan Airlines

Wed 11/126:32 amDCA - ITM

2 stops23h 18mJapan Airlines

Deal found 6/10

$1,684

Fri 9/59:30 amKIX - IAD

1 stop46h 55mLufthansa

Wed 11/125:40 pmIAD - KIX

1 stop24h 35mLufthansa

Deal found 6/10

$1,716

Fri 11/72:05 pmITM - BWI

2 stops21h 19mANA

Wed 11/126:15 amBWI - ITM

2 stops22h 40mANA

Deal found 6/10

$1,717

Sat 8/27:35 pmKIX - IAD

2 stops48h 15mCathay Pacific

Sat 8/168:19 pmIAD - KIX

3 stops29h 36mCathay Pacific

Deal found 6/12

$1,781

Last-minute flights from Osaka to Washington, D.C.
Discover last-minute flight deals from Osaka to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Wed 6/1111:20 amKIX - DCA

2 stops44h 39mAir France

Mon 6/235:29 pmDCA - KIX

2 stops26h 56mAir France

Deal found 6/10

$1,542

Thu 6/196:30 pmKIX - IAD

2 stops25h 20mMultiple Airlines

Wed 7/28:19 pmIAD - KIX

2 stops24h 51mMultiple Airlines

Deal found 6/9

$1,395

Thu 6/196:05 pmKIX - DCA

2 stops30h 58mAir Canada

Wed 7/28:40 pmDCA - KIX

1 stop30h 45mAir Canada

Deal found 6/10

$1,560

Thu 6/197:35 pmKIX - IAD

2 stops48h 15mCathay Pacific

Wed 7/27:59 pmIAD - KIX

3 stops53h 56mCathay Pacific

Deal found 6/10

$1,790

Thu 6/196:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Wed 7/211:00 amIAD - KIX

1 stop41h 25mQatar Airways

Deal found 6/9

$1,875

Thu 6/194:55 pmKIX - BWI

1 stop25h 39mUnited Airlines

Wed 7/26:42 amBWI - KIX

1 stop19h 08mUnited Airlines

Deal found 6/10

$1,903

Thu 6/194:55 pmKIX - IAD

2 stops20h 39mUnited Airlines

Wed 7/26:32 amIAD - KIX

1 stop19h 18mUnited Airlines

Deal found 6/10

$1,907

Thu 6/194:55 pmKIX - DCA

1 stop17h 17mUnited Airlines

Wed 7/27:00 amDCA - KIX

1 stop18h 50mUnited Airlines

Deal found 6/10

$1,917

Thu 6/196:05 pmKIX - IAD

2 stops28h 32mAir Canada

Wed 7/25:12 pmIAD - KIX

1 stop34h 13mAir Canada

Deal found 6/9

$1,919

Thu 6/1912:35 pmKIX - BWI

2 stops30h 12mDelta

Wed 7/26:00 amBWI - KIX

2 stops26h 00mDelta

Deal found 6/11

$1,920

Thu 6/195:00 pmKIX - IAD

3 stops52h 55mEthiopian Air

Wed 7/29:50 pmIAD - KIX

3 stops34h 15mEthiopian Air

Deal found 6/10

$3,314

Wed 7/27:35 amKIX - BWI

3 stops45h 33mMultiple Airlines

Wed 7/96:22 pmBWI - KIX

2 stops33h 43mMultiple Airlines

Deal found 6/10

$1,190

One-way flights from Osaka to Washington, D.C.
Search for one-way flight options from Osaka to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 9/257:35 amKIX - IAD

3 stops29h 31mMultiple Airlines

Deal found 6/11

$493

Tue 6/177:35 amKIX - BWI

3 stops40h 19mMultiple Airlines

Deal found 6/11

$589

Tue 6/172:05 pmITM - IAD

3 stops53h 25mMultiple Airlines

Deal found 6/12

$637

Tue 6/172:05 pmITM - BWI

3 stops33h 49mMultiple Airlines

Deal found 6/11

$641

Wed 6/188:55 pmKIX - DCA

3 stops57h 02mMultiple Airlines

Deal found 6/12

$648

Wed 11/2610:55 amKIX - BWI

2 stops32h 50mEVA Air

Deal found 6/10

$700

Wed 9/246:30 pmKIX - DCA

2 stops39h 29mEVA Air

Deal found 6/11

$701

Tue 7/111:10 amKIX - IAD

2 stops42h 15mEVA Air

Deal found 6/11

$772

Tue 6/172:05 pmITM - DCA

3 stops39h 52mMultiple Airlines

Deal found 6/12

$799

Mon 9/222:00 pmKIX - IAD

1 stop42h 30mAir China

Deal found 6/11

$947

Tue 7/11:25 pmITM - DCA

2 stops22h 42mJapan Airlines

Deal found 6/12

$993

Wed 9/246:05 pmKIX - IAD

1 stop28h 33mAir Canada

Deal found 6/11

$1,009

Cheapflights Fare Finder

Use the filters below to find and compare flights from Osaka 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

Tue 9/9

6:30 pm-7:32 am

2 stops26h 02m

Washington, D.C. Dulles Intl

Tue 9/16

6:09 pm-10:10 am

2 stops27h 01m

$1,144

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 7/2

7:35 am-4:08 pm

3 stops45h 33m

Baltimore/Washington

Wed 7/9

6:22 pm-5:05 pm

2 stops33h 43m

$1,190

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 9/5

12:35 pm-9:15 pm

2 stops21h 40m

Baltimore/Washington

Wed 11/12

6:00 am-9:00 pm

2 stops25h 00m

$1,204

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 9/15

4:45 pm-7:30 pm

1 stop39h 45m

Washington, D.C. Dulles Intl

Fri 9/19

11:00 pm-3:20 pm

1 stop27h 20m

$1,214

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 7/23

12:25 pm-8:52 am

3 stops33h 27m

Washington, D.C. Reagan-National

Wed 7/30

11:00 am-10:50 pm

2 stops22h 50m

$1,355

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 8/26

4:55 pm-9:55 am

2 stops30h 00m

Baltimore/Washington

Wed 10/8

9:00 am-2:50 pm

1 stop40h 50m

$1,410

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 9/12

6:05 pm-11:45 am

1 stop30h 40m

Washington, D.C. Dulles Intl

Thu 9/18

8:28 am-4:25 pm

1 stop18h 57m

$1,427

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 10/10

6:05 pm-6:04 pm

1 stop36h 59m

Washington, D.C. Reagan-National

Thu 10/16

6:59 am-4:25 pm

1 stop20h 26m

$1,427

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 10/28

6:30 pm-11:49 am

2 stops30h 19m

Washington, D.C. Dulles Intl

Tue 11/11

6:39 pm-4:35 pm

1 stop31h 56m

$1,431

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 9/9

12:00 pm-3:35 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Tue 9/16

6:20 am-5:05 pm

2 stops21h 45m

$1,435

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results

...

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Osaka 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 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 ANA from Osaka to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,489 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Delta

8.0

Very good

7,950 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Alaska Airlines

8.0

Very good

10,000 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines flying from Osaka to Washington, D.C. round-trip?
Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $1,204. Additional round-trip tickets that might be worth considering are offered by Air China and United Airlines, with the lowest prices starting at $1,214 and $1,410, respectively.
What are the cheapest airlines to fly from Osaka to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Osaka to Washington, D.C. are EVA Air ($700), Air China ($947), and Japan Airlines ($993).
What are the most popular routes from Osaka to Washington, D.C.?
The most popular flight routes from Osaka to Washington, D.C. are Osaka Kansai Intl - Washington, D.C. Reagan-National, Osaka Itami - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Washington, D.C. Dulles Intl.
Can I find deals for flights from Osaka to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Osaka to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Osaka 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 Osaka to Washington, D.C..
Can I find deals for business class flights from Osaka to Washington, D.C.?
Yes. Cheapflights offers flight deals from Osaka 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 to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. (average of $241). Flying from Osaka to Washington, D.C. in March is currently the most expensive (average of $290). 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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Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

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Easton

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Manassas

Dundalk

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$493+ Cheap flights from Osaka (OSA) 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Osaka to Washington, D.C.

Round-trip from

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Find flight deals from Osaka to Washington, D.C.

Cheapest flights from Osaka to Washington, D.C.Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

Everything you need to know about your flight from Osaka 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.

Related info for your journey

Find useful and relevant information for your journey from Osaka 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 flying from Osaka to Washington, D.C. round-trip?

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

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

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

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

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

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

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Cheapest flights from Osaka to Washington, D.C.
Explore the most affordable flight options available from Osaka to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.