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

Cheapflights users have booked flights from Washington, D.C. to Osaka round-trip from $1,085. Other airlines that can offer you cheap pricing are Delta, from $1,242, and ANA, from $1,271. Users have found that Cathay Pacific is 24% cheaper than the other options available to this destination.

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

The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $631. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Washington, D.C. to Osaka for a low price.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $898). Flying from Washington, D.C. to Osaka in December is currently the most expensive (average of $1,350). 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 Washington, D.C. to Osaka?

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

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

When deciding which route to take from Washington, D.C. to Osaka consider Washington, D.C. Dulles Intl - Osaka Kansai Intl, Baltimore/Washington - Osaka Kansai Intl or Washington, D.C. Dulles Intl - Osaka Itami as they are the most popular.

What are the most popular airlines that fly from Washington, D.C. to Osaka?

Air Canada, ANA and United Airlines are the most popular airlines when flying from Washington, D.C. to Osaka.

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 24% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Washington, D.C. to Osaka?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 7% on flights from Washington, D.C. to Osaka compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,013. For sooner than that we have options available in the next 3 days from $1,264.

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

Our data shows that January tends to be the cheapest month to fly to Osaka from Washington, D.C.. Users have commonly found prices around $1,437 for the month, but tickets can be as low as $935. Due to multiple factors, prepare for potentially higher prices in December.

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

Most trusted provider : When it comes to deals on Washington, D.C.-Osaka flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Osaka 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 Washington, D.C. to Osaka that include hotel bookings?

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

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

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

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

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

$522+ Flights from Washington, D.C. to Osaka

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Osaka are usually found in January or November, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,077 (Cathay Pacific)
One-way from	$631 (Justfly.com)
Popular in	December
Cheapest in	January
Average price	$1,528

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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

Cheapest flights from Washington, D.C. to Osaka
Explore the most affordable flight options available from Washington, D.C. to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Wed 10/16:30 amBWI - KIX

1 stop19h 20mANA

Wed 10/154:50 pmKIX - BWI

1 stop17h 39mANA

Deal found 4/22

$1,033

Mon 9/226:00 amBWI - ITM

2 stops24h 45mJapan Airlines

Mon 10/67:05 amITM - BWI

2 stops22h 06mJapan Airlines

Deal found 4/21

$1,049

Fri 9/56:15 amBWI - UKB

2 stops26h 30mANA

Fri 9/197:05 amUKB - BWI

2 stops19h 43mANA

Deal found 4/21

$1,057

Tue 10/76:30 amBWI - ITM

2 stops23h 25mANA

Sat 11/151:00 pmITM - BWI

2 stops21h 57mANA

Deal found 4/22

$1,057

Tue 10/76:30 amBWI - KIX

1 stop19h 20mUnited Airlines

Tue 10/218:30 amKIX - BWI

3 stops27h 15mUnited Airlines

Deal found 4/22

$1,062

Mon 9/16:00 amBWI - KIX

2 stops27h 15mJapan Airlines

Wed 9/109:05 pmKIX - BWI

2 stops32h 45mJapan Airlines

Deal found 4/22

$1,076

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/22

$1,077

Mon 5/55:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Mon 5/1210:00 amKIX - IAD

2 stops43h 17mCathay Pacific

Deal found 4/21

$1,085

Mon 5/511:55 amDCA - KIX

2 stops29h 45mCathay Pacific

Mon 5/127:35 pmKIX - DCA

2 stops42h 11mCathay Pacific

Deal found 4/21

$1,093

Tue 10/76:55 pmBWI - KIX

2 stops28h 05mMultiple Airlines

Tue 10/212:00 pmKIX - BWI

2 stops28h 45mMultiple Airlines

Deal found 4/22

$1,101

Sat 9/136:56 pmBWI - ITM

2 stops23h 29mMultiple Airlines

Sat 9/272:05 pmITM - BWI

2 stops18h 09mMultiple Airlines

Deal found 4/21

$1,102

Mon 9/15:06 pmDCA - KIX

2 stops29h 54mMultiple Airlines

Tue 9/237:05 pmKIX - DCA

2 stops39h 54mMultiple Airlines

Deal found 4/22

$1,113

Best flights from Washington, D.C. to Osaka
Discover carefully curated flight deals from Washington, D.C. to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/22

$1,077

Mon 5/55:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Mon 5/1210:00 amKIX - IAD

2 stops43h 17mCathay Pacific

Deal found 4/21

$1,085

Sun 7/66:00 amBWI - KIX

2 stops26h 00mDelta

Wed 8/2712:35 pmKIX - BWI

2 stops30h 31mDelta

Deal found 4/21

$1,242

Fri 4/256:36 amBWI - KIX

1 stop19h 14mANA

Fri 5/26:45 amKIX - BWI

2 stops27h 52mANA

Deal found 4/22

$1,271

Sat 4/264:21 pmBWI - KIX

2 stops33h 29mUnited Airlines

Thu 5/14:50 pmKIX - BWI

2 stops25h 23mUnited Airlines

Deal found 4/22

$1,304

Tue 5/61:30 pmIAD - KIX

1 stop40h 30mTurkish Airlines

Thu 6/2610:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/21

$1,458

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Fri 7/116:05 pmKIX - DCA

1 stop17h 22mAir Canada

Deal found 4/21

$1,468

Sat 5/36:40 amBWI - KIX

2 stops23h 05mAmerican Airlines

Sat 5/175:55 pmKIX - BWI

2 stops18h 58mAmerican Airlines

Deal found 4/22

$1,509

Tue 7/111:00 pmIAD - KIX

1 stop24h 40mAir China

Fri 7/119:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/21

$1,602

Wed 5/218:15 amDCA - KIX

1 stop21h 30mJapan Airlines

Wed 6/42:50 pmKIX - DCA

2 stops20h 46mJapan Airlines

Deal found 4/21

$1,713

Wed 9/35:00 pmDCA - UKB

2 stops28h 00mKorean Air

Wed 9/176:30 pmUKB - DCA

2 stops33h 41mKorean Air

Deal found 4/22

$1,744

Wed 5/2110:05 pmIAD - KIX

1 stop24h 35mEtihad Airways

Wed 6/49:10 amKIX - IAD

2 stops44h 00mEtihad Airways

Deal found 4/22

$1,753

Last-minute flights from Washington, D.C. to Osaka
Discover last-minute flight deals from Washington, D.C. to Osaka. Data last updated April 22, 2025 and is based on user searches.

Fri 4/256:36 amBWI - KIX

1 stop19h 14mANA

Fri 5/26:45 amKIX - BWI

2 stops27h 52mANA

Deal found 4/22

$1,271

Sat 4/266:31 amBWI - ITM

2 stops21h 34mANA

Thu 5/12:00 pmITM - BWI

2 stops20h 37mANA

Deal found 4/22

$1,275

Sat 4/264:21 pmBWI - KIX

2 stops33h 29mUnited Airlines

Thu 5/14:50 pmKIX - BWI

2 stops25h 23mUnited Airlines

Deal found 4/22

$1,304

Sat 4/266:34 pmBWI - ITM

2 stops33h 31mUnited Airlines

Fri 5/212:00 pmITM - BWI

2 stops22h 37mUnited Airlines

Deal found 4/21

$1,306

Sat 4/2611:54 amDCA - KIX

2 stops29h 46mMultiple Airlines

Thu 5/16:30 pmKIX - DCA

2 stops39h 28mMultiple Airlines

Deal found 4/22

$1,348

Mon 4/289:40 pmIAD - KIX

1 stop32h 20mTurkish Airlines

Tue 5/1310:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/22

$1,555

Mon 4/2812:10 pmIAD - ITM

1 stop17h 00mANA

Tue 4/298:15 pmITM - IAD

2 stops50h 50mANA

Deal found 4/21

$2,545

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/22

$1,077

Wed 4/309:00 pmIAD - KIX

1 stop31h 25mQatar Airways

Sun 5/46:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Deal found 4/22

$1,944

Wed 4/306:30 amIAD - ITM

2 stops24h 20mJapan Airlines

Sun 5/42:35 pmITM - IAD

2 stops30h 08mJapan Airlines

Deal found 4/22

$2,669

Wed 4/3012:15 pmIAD - UKB

1 stop20h 30mANA

Sun 5/47:05 amUKB - IAD

1 stop21h 35mANA

Deal found 4/22

$2,676

Wed 4/306:30 amIAD - ITM

2 stops21h 35mUnited Airlines

Sun 5/412:00 pmITM - IAD

1 stop16h 40mUnited Airlines

Deal found 4/22

$2,690

One-way flights from Washington, D.C. to Osaka
Search for one-way flight options from Washington, D.C. to Osaka. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Mon 7/216:15 amBWI - UKB

2 stops26h 30mANA

Deal found 4/22

$631

Mon 7/216:42 amBWI - KIX

1 stop19h 08mANA

Deal found 4/22

$634

Mon 7/216:15 amBWI - ITM

2 stops25h 00mANA

Deal found 4/22

$634

Sun 7/206:42 amBWI - KIX

1 stop19h 08mUnited Airlines

Deal found 4/22

$637

Sun 7/204:39 pmBWI - KIX

2 stops29h 41mDelta

Deal found 4/22

$684

Sun 7/208:10 amBWI - UKB

2 stops36h 50mKorean Air

Deal found 4/22

$687

Tue 6/107:17 amBWI - KIX

3 stops49h 33mMultiple Airlines

Deal found 4/22

$694

Mon 7/2112:16 pmDCA - KIX

2 stops29h 24mCathay Pacific

Deal found 4/22

$694

Mon 7/216:44 pmIAD - KIX

2 stops31h 31mCathay Pacific

Deal found 4/22

$694

Tue 6/107:17 amBWI - ITM

3 stops47h 28mMultiple Airlines

Deal found 4/22

$700

Sat 6/147:30 amIAD - KIX

2 stops46h 15mMultiple Airlines

Deal found 4/22

$715

Sun 7/205:20 pmBWI - ITM

2 stops35h 15mAmerican Airlines

Deal found 4/22

$723

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Mon 9/22

6:00 am-7:45 pm

2 stops24h 45m

Osaka Itami

Mon 10/6

7:05 am-4:11 pm

2 stops22h 06m

$1,049

BaltimoreKobe

BWI - UKB

BWIUKB

Baltimore/Washington

Fri 9/5

6:15 am-9:45 pm

2 stops26h 30m

Kobe

Fri 9/19

7:05 am-1:48 pm

2 stops19h 43m

$1,057

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Tue 10/7

6:30 am-6:55 pm

2 stops23h 25m

Osaka Itami

Sat 11/15

1:00 pm-8:57 pm

2 stops21h 57m

$1,057

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 4/30

7:00 am-6:40 am

2 stops34h 40m

Osaka Kansai Intl

Sun 5/4

10:00 am-4:38 pm

2 stops43h 38m

$1,077

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 5/5

5:07 pm-1:00 pm

2 stops30h 53m

Osaka Kansai Intl

Mon 5/12

10:00 am-4:17 pm

2 stops43h 17m

$1,085

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Mon 5/5

11:55 am-6:40 am

2 stops29h 45m

Osaka Kansai Intl

Mon 5/12

7:35 pm-12:46 am

2 stops42h 11m

$1,093

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sat 9/13

6:56 pm-7:25 am

2 stops23h 29m

Osaka Itami

Sat 9/27

2:05 pm-7:14 pm

2 stops18h 09m

$1,102

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Wed 10/8

6:30 am-5:05 pm

2 stops21h 35m

Osaka Itami

Wed 10/15

12:00 pm-10:45 pm

3 stops23h 45m

$1,114

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 7/6

6:00 am-9:00 pm

2 stops26h 00m

Osaka Kansai Intl

Wed 8/27

12:35 pm-6:06 am

2 stops30h 31m

$1,220

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sat 4/26

8:10 pm-9:00 pm

2 stops35h 50m

Osaka Kansai Intl

Thu 5/1

7:40 am-5:46 am

3 stops35h 06m

$1,258

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 results

...

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

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 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 Washington, D.C.-Osaka flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Osaka flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Osaka flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Osaka 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 Washington, D.C. to Osaka

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

How far ahead should I book a flight from Washington, D.C. to Osaka?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Osaka, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

It’s typically best to fly out from Washington, D.C. to Osaka in the afternoon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Osaka by month

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka have to say. 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

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,179 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,062 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,450 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

China Airlines

8.3

Very good

727 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

847 reviews

EVA Air

8.4

Very good

1,179 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. to Osaka round-trip?
Cheapflights users have booked flights from Washington, D.C. to Osaka round-trip from $1,085. Other airlines that can offer you cheap pricing are Delta, from $1,242, and ANA, from $1,271. Users have found that Cathay Pacific is 24% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Osaka one-way?
The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $631. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Washington, D.C. to Osaka for a low price.
What are the most popular routes from Washington, D.C. to Osaka?
When deciding which route to take from Washington, D.C. to Osaka consider Washington, D.C. Dulles Intl - Osaka Kansai Intl, Baltimore/Washington - Osaka Kansai Intl or Washington, D.C. Dulles Intl - Osaka Itami as they are the most popular.
Can I find deals for flights from Washington, D.C. to Osaka that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Osaka?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Osaka.
Can I find deals for business class flights from Washington, D.C. to Osaka?
Yes. Cheapflights offers flight deals from Washington, D.C. to Osaka 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 Washington, D.C. to Osaka?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Osaka (average of $898). Flying from Washington, D.C. to Osaka in December is currently the most expensive (average of $1,350). 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

Nara

Nishinomiya

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Osaka

Dulles Intl to Kansai Intl flights

Dulles Intl to Itami flights

Reagan-National to Kansai Intl flights

Reagan-National to Itami flights

Other flights to Osaka

Los Angeles to Kansai Intl flights

Honolulu to Kansai Intl flights

San Francisco to Kansai Intl flights

Osaka Kansai Intl Airport to Okinawa flights

Osaka Kansai Intl Airport to Sapporo Chitose Airport flights

Osaka Kansai Intl Airport to Tokyo Narita Airport flights

Osaka Kansai Intl Airport to Tokyo Haneda Airport flights

Osaka Itami Airport to Tokyo Haneda Airport flights

Osaka Kansai Intl Airport to Seoul Gimpo Intl Airport flights

Kobe to Okinawa flights

Osaka Kansai Intl Airport to Incheon Intl Airport flights

Osaka Kansai Intl Airport to Tokyo Haneda Airport flights

Osaka Kansai Intl Airport to Shanghai Pu Dong Airport flights

Osaka Itami Airport to Tokyo Narita Airport flights

Osaka Kansai Intl Airport to Busan flights

Osaka Kansai Intl Airport to Shanghai Pu Dong Airport flights

Osaka Itami Airport to Sapporo Chitose Airport flights

Osaka Kansai Intl Airport to Okinawa flights

Osaka Kansai Intl Airport to Jeju City flights

Osaka Kansai Intl Airport to Incheon Intl Airport flights

Top 3 airlines flying from Washington, D.C. to Osaka

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$929	Average$1,020	FlexibilityNo cancel fee	On-time67%
ANA	Cheapest$1,457	Average$1,892	FlexibilityNo cancel fee	On-time80%
United Airlines	Cheapest$1,666	Average$1,884	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$522+ Cheap flights from Washington, D.C. (WAS) to Osaka (OSA)

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Osaka are usually found in January or November, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to OsakaExplore the most affordable flight options available from Washington, D.C. to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Washington, D.C. to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

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

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

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 Washington, D.C. to Osaka in April.

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

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

Cheapflights Insights

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

How far ahead should I book a flight from Washington, D.C. to Osaka?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Osaka. Price data was last updated on April 18, 2025.

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

Find hourly flight availability from Washington, D.C. to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Osaka. Reviews last updated April 22, 2025.

See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka have to say. In addition to providing an overall rating, users have also rated airlines 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 Washington, D.C. to Osaka. 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 Washington, D.C. to Osaka round-trip?

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Osaka

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Washington, D.C. to Osaka

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Osaka
Explore the most affordable flight options available from Washington, D.C. to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.