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

Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $1,420. Additional round-trip tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at $1,604 and $1,626, respectively. These flights start at 15% 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 EVA Air ($801), Japan Airlines ($993), and Delta ($1,059).

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 $309). Flying from Osaka 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 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 Itami - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Baltimore/Washington.

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 October, with the cheapest ticket starting at $1,208.

Most accurate provider : When it comes to deals on Osaka-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Osaka-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams 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-Washington, D.C. 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 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.

$513+ Flights from Osaka to Washington, D.C.

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,307 (SmartFares)
One-way from	$513 (Kiwi.com)
Popular in	March
Cheapest in	October

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.

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

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

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 April 29, 2025.

Fri 6/133:10 pmKIX - IAD

2 stops29h 17mMultiple Airlines

Fri 6/206:13 pmIAD - KIX

2 stops30h 47mMultiple Airlines

Deal found 4/29

$1,307

Thu 6/123:10 pmKIX - BWI

3 stops27h 33mMultiple Airlines

Thu 6/198:35 pmBWI - KIX

2 stops26h 40mMultiple Airlines

Deal found 4/29

$1,345

Thu 8/284:55 pmKIX - BWI

2 stops30h 00mUnited Airlines

Thu 10/96:30 amBWI - KIX

1 stop19h 20mUnited Airlines

Deal found 4/28

$1,420

Thu 6/1212:00 pmKIX - IAD

1 stop40h 35mKLM

Thu 6/195:25 pmIAD - KIX

1 stop27h 55mKLM

Deal found 4/28

$1,604

Fri 6/2012:35 pmKIX - BWI

2 stops24h 13mDelta

Sun 6/294:45 pmBWI - KIX

2 stops29h 35mDelta

Deal found 4/28

$1,626

Fri 6/136:05 pmKIX - DCA

1 stop17h 23mAir Canada

Fri 6/206:40 pmDCA - KIX

1 stop32h 45mAir Canada

Deal found 4/29

$1,646

Thu 6/127:40 amKIX - DCA

2 stops27h 13mMultiple Airlines

Thu 6/196:59 amDCA - KIX

1 stop20h 26mMultiple Airlines

Deal found 4/29

$1,686

Fri 6/204:55 pmKIX - IAD

1 stop27h 40mUnited Airlines

Sun 6/291:05 pmIAD - KIX

2 stops36h 45mUnited Airlines

Deal found 4/28

$1,727

Wed 6/253:00 pmITM - DCA

2 stops20h 27mAir Canada

Mon 6/306:59 amDCA - ITM

2 stops23h 11mAir Canada

Deal found 4/29

$1,763

Wed 6/252:35 pmITM - IAD

2 stops21h 04mAmerican Airlines

Mon 6/306:27 amIAD - ITM

2 stops23h 13mAmerican Airlines

Deal found 4/29

$1,779

Thu 6/128:30 amITM - DCA

2 stops19h 00mJapan Airlines

Thu 6/196:00 amDCA - ITM

2 stops24h 05mJapan Airlines

Deal found 4/29

$1,819

Thu 6/122:50 pmKIX - DCA

2 stops21h 17mJapan Airlines

Thu 6/196:00 amDCA - KIX

2 stops27h 15mJapan Airlines

Deal found 4/28

$1,828

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 April 29, 2025.

Fri 6/133:10 pmKIX - IAD

2 stops29h 17mMultiple Airlines

Fri 6/206:13 pmIAD - KIX

2 stops30h 47mMultiple Airlines

Deal found 4/29

$1,307

Thu 8/284:55 pmKIX - BWI

2 stops30h 00mUnited Airlines

Thu 10/96:30 amBWI - KIX

1 stop19h 20mUnited Airlines

Deal found 4/28

$1,420

Thu 6/1212:00 pmKIX - IAD

1 stop40h 35mKLM

Thu 6/195:25 pmIAD - KIX

1 stop27h 55mKLM

Deal found 4/28

$1,604

Fri 6/2012:35 pmKIX - BWI

2 stops24h 13mDelta

Sun 6/294:45 pmBWI - KIX

2 stops29h 35mDelta

Deal found 4/28

$1,626

Fri 6/136:05 pmKIX - DCA

1 stop17h 23mAir Canada

Fri 6/206:40 pmDCA - KIX

1 stop32h 45mAir Canada

Deal found 4/29

$1,646

Wed 6/252:35 pmITM - IAD

2 stops21h 04mAmerican Airlines

Mon 6/306:27 amIAD - ITM

2 stops23h 13mAmerican Airlines

Deal found 4/29

$1,779

Thu 6/128:30 amITM - DCA

2 stops19h 00mJapan Airlines

Thu 6/196:00 amDCA - ITM

2 stops24h 05mJapan Airlines

Deal found 4/29

$1,819

Wed 6/257:30 amITM - IAD

1 stop15h 35mANA

Mon 6/3012:15 pmIAD - ITM

1 stop16h 55mANA

Deal found 4/29

$1,989

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

Thu 6/1211:45 pmKIX - IAD

1 stop45h 55mEmirates

Thu 6/1910:55 amIAD - KIX

1 stop41h 20mEmirates

Deal found 4/28

$2,052

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

Fri 6/138:30 amITM - IAD

2 stops47h 45mAir France

Fri 6/206:30 pmIAD - ITM

2 stops29h 05mAir France

Deal found 4/29

$2,146

Last-minute flights from Osaka to Washington, D.C.
Discover last-minute flight deals from Osaka to Washington, D.C.. Data last updated April 29, 2025 and is based on user searches.

Tue 5/66:05 pmKIX - DCA

2 stops36h 58mAir Canada

Mon 5/126:59 amDCA - KIX

2 stops20h 26mAir Canada

Deal found 4/28

$5,162

Tue 5/611:50 amKIX - DCA

2 stops25h 56mAmerican Airlines

Mon 5/128:15 amDCA - KIX

1 stop21h 30mAmerican Airlines

Deal found 4/28

$6,797

Tue 5/65:45 pmKIX - DCA

2 stops28h 44mCathay Pacific

Mon 5/126:59 pmDCA - KIX

3 stops30h 56mCathay Pacific

Deal found 4/28

$7,331

Tue 5/64:50 pmKIX - DCA

1 stop17h 44mUnited Airlines

Mon 5/125:59 pmDCA - KIX

1 stop31h 51mUnited Airlines

Deal found 4/28

$8,652

Wed 5/2812:00 pmITM - BWI

2 stops22h 42mUnited Airlines

Wed 6/46:51 amBWI - ITM

2 stops21h 14mUnited Airlines

Deal found 4/28

$2,197

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 April 29, 2025.

Sun 5/118:55 pmKIX - BWI

3 stops46h 15mMultiple Airlines

Deal found 4/28

$513

Sun 5/117:40 amKIX - DCA

3 stops51h 19mMultiple Airlines

Deal found 4/28

$536

Sun 5/118:55 pmKIX - IAD

2 stops56h 05mMultiple Airlines

Deal found 4/28

$578

Thu 8/287:45 amITM - BWI

3 stops26h 17mMultiple Airlines

Deal found 4/28

$714

Tue 7/811:10 amKIX - IAD

2 stops33h 17mEVA Air

Deal found 4/28

$801

Tue 7/11:10 pmKIX - BWI

2 stops30h 09mEVA Air

Deal found 4/29

$831

Sun 10/191:10 pmKIX - DCA

2 stops44h 45mEVA Air

Deal found 4/28

$873

Fri 9/1912:25 pmITM - DCA

2 stops23h 35mJapan Airlines

Deal found 4/29

$993

Fri 8/229:05 amKIX - BWI

2 stops28h 12mDelta

Deal found 4/28

$1,059

Thu 8/284:55 pmKIX - BWI

1 stop25h 53mUnited Airlines

Deal found 4/28

$1,074

Fri 8/226:05 pmKIX - IAD

2 stops39h 56mAir Canada

Deal found 4/28

$1,142

Fri 8/226:05 pmKIX - DCA

2 stops40h 43mAir Canada

Deal found 4/28

$1,142

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

Fri 6/13

3:10 pm-7:27 am

2 stops29h 17m

Washington, D.C. Dulles Intl

Fri 6/20

6:13 pm-2:00 pm

2 stops30h 47m

$1,307

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Thu 6/12

3:10 pm-5:43 am

3 stops27h 33m

Baltimore/Washington

Thu 6/19

8:35 pm-12:15 pm

2 stops26h 40m

$1,345

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Thu 8/28

4:55 pm-9:55 am

2 stops30h 00m

Baltimore/Washington

Thu 10/9

6:30 am-2:50 pm

1 stop19h 20m

$1,420

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 6/12

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Thu 6/19

5:25 pm-10:20 am

1 stop27h 55m

$1,604

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 6/20

12:35 pm-11:48 pm

2 stops24h 13m

Baltimore/Washington

Sun 6/29

4:45 pm-11:20 am

2 stops29h 35m

$1,626

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 6/13

6:05 pm-10:28 pm

1 stop17h 23m

Washington, D.C. Reagan-National

Fri 6/20

6:40 pm-4:25 pm

1 stop32h 45m

$1,646

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 6/12

7:40 am-9:53 pm

2 stops27h 13m

Washington, D.C. Reagan-National

Thu 6/19

6:59 am-4:25 pm

1 stop20h 26m

$1,686

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 6/20

4:55 pm-7:35 am

1 stop27h 40m

Washington, D.C. Dulles Intl

Sun 6/29

1:05 pm-2:50 pm

2 stops36h 45m

$1,727

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Wed 6/25

3:00 pm-10:27 pm

2 stops20h 27m

Washington, D.C. Reagan-National

Mon 6/30

6:59 am-7:10 pm

2 stops23h 11m

$1,763

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 6/25

2:35 pm-10:39 pm

2 stops21h 04m

Washington, D.C. Dulles Intl

Mon 6/30

6:27 am-6:40 pm

2 stops23h 13m

$1,779

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results

...

Compare providers for flights from Osaka to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Osaka-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Osaka-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams 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-Washington, D.C. 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 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.

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.

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

1,186 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

ANA

8.3

Very good

852 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

Related info for your journey

What are the cheapest airlines flying from Osaka to Washington, D.C. round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $1,420. Additional round-trip tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at $1,604 and $1,626, respectively. These flights start at 15% 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 EVA Air ($801), Japan Airlines ($993), and Delta ($1,059).
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 Itami - Washington, D.C. Dulles Intl, Osaka Kansai Intl - Washington, D.C. Dulles Intl and Osaka Kansai Intl - Baltimore/Washington.
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 $309). Flying from Osaka 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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$513+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Round-trip from

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Popular in

Cheapest in

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 April 29, 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 April 29, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Osaka to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Osaka to Washington, D.C. in April.

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.

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

Find hourly flight availability from Osaka to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

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 April 29, 2025.