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 $995. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $1,081 and $1,167, respectively. These flights start at 38% lower than the current average price 3 months from now.

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 Delta ($559), China Airlines ($725), and EVA Air ($857).

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.

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.

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).

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. Dulles Intl, Osaka Itami - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Washington, D.C. Reagan-National.

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 month to fly from Osaka to Washington, D.C.?

Flights from Osaka to Washington, D.C. lean towards being more expensive in March. Prices are generally better when you fly from Osaka to Washington, D.C. in May, with the cheapest ticket starting at $1,075.

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.

$484+ Flights from Osaka to Washington, D.C.

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

Round-trip from	$906 (Mytrip)
One-way from	$484 (Mytrip)
Popular in	March
Cheapest in	May
Average price	$1,586

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

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

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Highest demand for flights based on searches. 17% potential increase in price ($349 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 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 July 31, 2025.

Fri 9/1212:35 pmKIX - BWI

2 stops31h 25mMultiple Airlines

Fri 9/195:45 amBWI - KIX

2 stops26h 15mMultiple Airlines

Deal found 7/29

$906

Tue 8/269:05 amKIX - IAD

2 stops27h 16mDelta

Tue 9/166:15 amIAD - KIX

2 stops25h 45mDelta

Deal found 7/31

$995

Tue 8/2612:35 pmKIX - DCA

2 stops24h 11mDelta

Tue 9/166:00 amDCA - KIX

2 stops26h 00mDelta

Deal found 7/31

$995

Thu 12/412:45 pmKIX - IAD

2 stops31h 10mMultiple Airlines

Tue 12/97:00 amIAD - KIX

2 stops44h 50mMultiple Airlines

Deal found 7/31

$1,079

Fri 12/196:35 pmKIX - BWI

2 stops24h 49mUnited Airlines

Mon 1/510:23 amBWI - KIX

2 stops40h 17mUnited Airlines

Deal found 7/31

$1,081

Tue 8/2612:35 pmKIX - BWI

2 stops24h 48mDelta

Tue 9/166:15 amBWI - KIX

2 stops25h 45mDelta

Deal found 7/30

$1,083

Thu 10/161:30 pmITM - DCA

2 stops33h 56mAmerican Airlines

Mon 10/205:21 pmDCA - ITM

2 stops26h 14mAmerican Airlines

Deal found 7/30

$1,167

Thu 12/41:50 pmKIX - IAD

1 stop42h 40mAir China

Tue 12/910:00 pmIAD - KIX

1 stop28h 00mAir China

Deal found 7/31

$1,178

Thu 8/288:40 amITM - BWI

3 stops35h 14mMultiple Airlines

Thu 9/45:45 amBWI - ITM

2 stops25h 00mMultiple Airlines

Deal found 7/29

$1,203

Sun 9/141:00 pmITM - DCA

2 stops22h 34mAir Canada

Sun 9/219:40 amDCA - ITM

2 stops20h 15mAir Canada

Deal found 7/31

$1,315

Sun 9/146:05 pmKIX - IAD

1 stop28h 33mAir Canada

Sun 9/215:22 pmIAD - KIX

2 stops34h 03mAir Canada

Deal found 7/31

$1,349

Thu 8/286:05 pmKIX - DCA

2 stops30h 58mAir Canada

Thu 9/46:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 7/29

$1,356

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 July 31, 2025.

Fri 9/1212:35 pmKIX - BWI

2 stops31h 25mMultiple Airlines

Fri 9/195:45 amBWI - KIX

2 stops26h 15mMultiple Airlines

Deal found 7/29

$906

Tue 8/269:05 amKIX - IAD

2 stops27h 16mDelta

Tue 9/166:15 amIAD - KIX

2 stops25h 45mDelta

Deal found 7/31

$995

Fri 12/196:35 pmKIX - BWI

2 stops24h 49mUnited Airlines

Mon 1/510:23 amBWI - KIX

2 stops40h 17mUnited Airlines

Deal found 7/31

$1,081

Thu 10/161:30 pmITM - DCA

2 stops33h 56mAmerican Airlines

Mon 10/205:21 pmDCA - ITM

2 stops26h 14mAmerican Airlines

Deal found 7/30

$1,167

Thu 12/41:50 pmKIX - IAD

1 stop42h 40mAir China

Tue 12/910:00 pmIAD - KIX

1 stop28h 00mAir China

Deal found 7/31

$1,178

Sun 9/141:00 pmITM - DCA

2 stops22h 34mAir Canada

Sun 9/219:40 amDCA - ITM

2 stops20h 15mAir Canada

Deal found 7/31

$1,315

Tue 10/712:00 pmKIX - IAD

1 stop40h 35mKLM

Mon 11/106:50 pmIAD - KIX

1 stop26h 00mKLM

Deal found 7/30

$1,488

Thu 10/167:10 pmKIX - IAD

2 stops38h 51mAsiana Airlines

Sat 10/186:30 pmIAD - KIX

2 stops37h 35mAsiana Airlines

Deal found 7/30

$1,524

Tue 8/262:35 pmITM - DCA

2 stops20h 40mJapan Airlines

Tue 9/165:00 amDCA - ITM

2 stops24h 40mJapan Airlines

Deal found 7/31

$1,526

Tue 10/78:45 pmKIX - DCA

1 stop32h 18mAlaska Airlines

Mon 11/106:58 pmDCA - KIX

2 stops33h 47mAlaska Airlines

Deal found 7/30

$1,604

Tue 10/72:05 pmITM - IAD

2 stops19h 50mANA

Mon 11/1011:05 amIAD - ITM

1 stop19h 30mANA

Deal found 7/30

$1,669

Thu 8/289:05 amKIX - IAD

1 stop39h 10mKorean Air

Thu 9/41:15 pmIAD - KIX

1 stop38h 50mKorean Air

Deal found 7/29

$1,734

Last-minute flights from Osaka to Washington, D.C.
Discover last-minute flight deals from Osaka to Washington, D.C.. Data last updated July 31, 2025 and is based on user searches.

Fri 8/156:30 pmKIX - IAD

2 stops25h 49mMultiple Airlines

Mon 8/188:19 pmIAD - KIX

2 stops24h 51mMultiple Airlines

Deal found 7/31

$1,485

Tue 8/269:05 amKIX - IAD

2 stops27h 16mDelta

Tue 9/166:15 amIAD - KIX

2 stops25h 45mDelta

Deal found 7/31

$995

Tue 8/2612:35 pmKIX - DCA

2 stops24h 11mDelta

Tue 9/166:00 amDCA - KIX

2 stops26h 00mDelta

Deal found 7/31

$995

Tue 8/2612:35 pmKIX - BWI

2 stops24h 48mDelta

Tue 9/166:15 amBWI - KIX

2 stops25h 45mDelta

Deal found 7/30

$1,083

Tue 8/264:55 pmKIX - BWI

2 stops19h 22mUnited Airlines

Tue 9/167:00 pmBWI - KIX

1 stop30h 50mUnited Airlines

Deal found 7/31

$1,464

Tue 8/262:35 pmITM - DCA

2 stops20h 40mJapan Airlines

Tue 9/165:00 amDCA - ITM

2 stops24h 40mJapan Airlines

Deal found 7/31

$1,526

Tue 8/266:05 pmKIX - IAD

2 stops28h 32mAir Canada

Tue 9/1610:20 amIAD - KIX

1 stop17h 05mAir Canada

Deal found 7/31

$1,531

Tue 8/262:35 pmITM - BWI

2 stops21h 27mAmerican Airlines

Tue 9/166:41 amBWI - ITM

2 stops22h 59mAmerican Airlines

Deal found 7/31

$1,563

Tue 8/268:25 amITM - IAD

2 stops23h 31mAmerican Airlines

Tue 9/166:25 amIAD - ITM

2 stops23h 15mAmerican Airlines

Deal found 7/31

$1,632

Thu 8/287:35 amKIX - BWI

3 stops34h 40mMultiple Airlines

Thu 9/45:45 amBWI - KIX

2 stops27h 05mMultiple Airlines

Deal found 7/29

$1,033

Thu 8/288:40 amITM - BWI

3 stops35h 14mMultiple Airlines

Thu 9/45:45 amBWI - ITM

2 stops25h 00mMultiple Airlines

Deal found 7/29

$1,203

Thu 8/286:05 pmKIX - DCA

2 stops30h 58mAir Canada

Thu 9/46:59 amDCA - KIX

1 stop20h 26mAir Canada

Deal found 7/29

$1,356

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 July 31, 2025.

Tue 10/217:35 amKIX - BWI

3 stops27h 58mMultiple Airlines

Deal found 7/30

$484

Tue 10/217:35 amKIX - IAD

3 stops29h 10mMultiple Airlines

Deal found 7/30

$559

Tue 10/2112:35 pmKIX - BWI

2 stops33h 38mDelta

Deal found 7/30

$559

Tue 10/217:35 amKIX - DCA

2 stops26h 39mMultiple Airlines

Deal found 7/30

$574

Sat 10/118:00 amITM - BWI

3 stops27h 33mMultiple Airlines

Deal found 7/29

$585

Tue 10/218:30 amITM - DCA

2 stops25h 44mMultiple Airlines

Deal found 7/30

$607

Tue 10/2112:30 pmITM - IAD

3 stops39h 36mMultiple Airlines

Deal found 7/30

$641

Tue 12/167:00 pmKIX - IAD

2 stops24h 55mChina Airlines

Deal found 7/31

$664

Wed 12/176:00 pmKIX - IAD

2 stops25h 55mEVA Air

Deal found 7/31

$684

Sat 8/237:05 pmKIX - DCA

2 stops38h 54mChina Airlines

Deal found 7/30

$803

Wed 8/131:10 pmKIX - DCA

2 stops45h 32mEVA Air

Deal found 7/30

$857

Sun 11/3010:55 amKIX - BWI

2 stops32h 43mEVA Air

Deal found 7/29

$859

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

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 9/12

12:35 pm-7:00 am

2 stops31h 25m

Baltimore/Washington

Fri 9/19

5:45 am-9:00 pm

2 stops26h 15m

$906

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 8/26

9:05 am-11:21 pm

2 stops27h 16m

Washington, D.C. Dulles Intl

Tue 9/16

6:15 am-9:00 pm

2 stops25h 45m

$995

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 8/26

12:35 pm-11:46 pm

2 stops24h 11m

Washington, D.C. Reagan-National

Tue 9/16

6:00 am-9:00 pm

2 stops26h 00m

$995

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 12/4

12:45 pm-5:55 am

2 stops31h 10m

Washington, D.C. Dulles Intl

Tue 12/9

7:00 am-5:50 pm

2 stops44h 50m

$1,079

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 12/19

6:35 pm-5:24 am

2 stops24h 49m

Baltimore/Washington

Mon 1/5

10:23 am-4:40 pm

2 stops40h 17m

$1,081

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 8/26

12:35 pm-12:23 am

2 stops24h 48m

Baltimore/Washington

Tue 9/16

6:15 am-9:00 pm

2 stops25h 45m

$1,083

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 10/16

1:30 pm-10:26 am

2 stops33h 56m

Washington, D.C. Reagan-National

Mon 10/20

5:21 pm-8:35 am

2 stops26h 14m

$1,167

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 12/4

1:50 pm-6:30 pm

1 stop42h 40m

Washington, D.C. Dulles Intl

Tue 12/9

10:00 pm-4:00 pm

1 stop28h 00m

$1,178

OsakaBaltimore

ITM - BWI

ITMBWI

Osaka Itami

Thu 8/28

8:40 am-6:54 am

3 stops35h 14m

Baltimore/Washington

Thu 9/4

5:45 am-7:45 pm

2 stops25h 00m

$1,203

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Sun 9/14

1:00 pm-10:34 pm

2 stops22h 34m

Washington, D.C. Reagan-National

Sun 9/21

9:40 am-6:55 pm

2 stops20h 15m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Osaka to Washington, D.C., such as EVA Air, ANA, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,220 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

1,220 reviews

EVA Air

8.4

Very good

1,220 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

8.4

Very good

922 reviews

EVA Air

8.4

Very good

1,220 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

Korean Air

8.4

Very good

1,121 reviews

EVA Air

8.4

Very good

1,220 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

1,536 reviews

EVA Air

8.4

Very good

1,220 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

China Airlines

8.3

Very good

754 reviews

EVA Air

8.4

Very good

1,220 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 $995. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $1,081 and $1,167, respectively. These flights start at 38% lower than the current average price 3 months from now.
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 Delta ($559), China Airlines ($725), and EVA Air ($857).
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. Dulles Intl, Osaka Itami - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Washington, D.C. Reagan-National.
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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$484+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

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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 July 31, 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 July 31, 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.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Osaka to Washington, D.C., such as EVA Air, ANA, and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.?

Traveling to a place near 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 July 31, 2025.