How long is the flight from Washington, D.C. to Osaka?

Airlines like United Airlines, ANA, and Air Canada fly from Washington, D.C. to Osaka in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 10h 26m. The distance between Washington, D.C. and Osaka is about 6940 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 $1,134. Another airline that can offer you cheap pricing is United Airlines. Users have found that ANA is 16% cheaper than the other options available to this destination.

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.

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).

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, Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Reagan-National - Osaka Kansai Intl as they are the most popular.

Most accurate provider : When it comes to deals on Washington, D.C.-Osaka flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Osaka flight deals on Cheapflights vs. eDreams >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 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 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.

$415+ Flights from Washington, D.C. to Osaka

Q: How much does it cost to fly round-trip from Washington, D.C. to Osaka?

Airfare is below average for this route at the moment. Washington, D.C. to Osaka flights typically cost between $1,347 and $2,386 in January. The cheapest round-trip price found within the last 3 days was $832 on United Airlines (Jan 10-Jan 23).

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Cheapflights Tip: The best prices from Washington, D.C. to Osaka are usually found in September or October, booked 68 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap 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 December 18, 2025.

Mon 12/296:30 amIAD - KIX

1 stop20h 10mUnited Airlines

Thu 1/86:35 pmKIX - IAD

1 stop16h 19mUnited Airlines

Deal found 12/15

$1,319

Mon 12/2911:10 amIAD - ITM

1 stop30h 20mANA

Thu 1/87:30 amITM - IAD

1 stop22h 10mANA

Deal found 12/16

$1,607

Mon 12/297:00 amDCA - KIX

1 stop19h 40mUnited Airlines

Thu 1/86:35 pmKIX - DCA

1 stop17h 17mUnited Airlines

Deal found 12/17

$1,623

Sun 12/288:15 amIAD - KIX

2 stops23h 35mANA

Thu 1/86:45 amKIX - IAD

1 stop22h 55mANA

Deal found 12/15

$1,643

Thu 12/2510:05 pmIAD - KIX

1 stop28h 35mUnited Airlines

Thu 1/86:35 pmKIX - IAD

1 stop16h 19mUnited Airlines

Deal found 12/15

$1,673

Wed 12/244:10 pmIAD - KIX

1 stop34h 30mUnited Airlines

Thu 1/86:35 pmKIX - IAD

1 stop24h 57mUnited Airlines

Deal found 12/15

$1,690

Mon 12/299:36 amDCA - KIX

2 stops39h 39mCathay Pacific

Thu 1/89:25 amKIX - DCA

2 stops27h 35mCathay Pacific

Deal found 12/17

$1,735

Mon 12/2911:10 amIAD - UKB

1 stop30h 50mANA

Thu 1/87:05 amUKB - IAD

1 stop22h 35mANA

Deal found 12/16

$1,770

Mon 12/294:50 pmDCA - ITM

2 stops24h 50mJapan Airlines

Thu 1/82:30 pmITM - DCA

2 stops21h 33mJapan Airlines

Deal found 12/16

$1,799

Tue 12/3011:10 amIAD - KIX

1 stop21h 10mMultiple Airlines

Wed 1/78:45 pmKIX - IAD

2 stops34h 19mMultiple Airlines

Deal found 12/15

$1,915

Sat 12/2710:05 pmIAD - KIX

1 stop28h 35mUnited Airlines

Wed 1/76:35 pmKIX - IAD

1 stop26h 12mUnited Airlines

Deal found 12/15

$1,973

Tue 12/3011:10 amIAD - KIX

1 stop21h 10mMultiple Airlines

Tue 1/64:00 pmKIX - IAD

2 stops37h 55mMultiple Airlines

Deal found 12/15

$1,987

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 December 18, 2025.

Sat 1/106:34 pmBWI - KIX

1 stop32h 06mUnited Airlines

Fri 1/236:35 pmKIX - BWI

1 stop36h 51mUnited Airlines

Deal found 12/17

$832

Mon 1/2610:05 amBWI - UKB

2 stops21h 40mANA

Mon 2/99:15 pmUKB - BWI

2 stops30h 56mANA

Deal found 12/15

$860

Mon 1/129:00 amIAD - ITM

2 stops20h 10mMultiple Airlines

Tue 1/203:25 pmITM - IAD

2 stops19h 01mMultiple Airlines

Deal found 12/17

$904

Sat 1/1710:06 pmIAD - ITM

2 stops31h 04mAir Canada

Sat 1/244:00 pmITM - IAD

2 stops18h 26mAir Canada

Deal found 12/16

$905

Sun 4/199:59 amDCA - ITM

2 stops20h 51mJapan Airlines

Wed 4/292:35 pmITM - DCA

2 stops20h 40mJapan Airlines

Deal found 12/15

$950

Wed 1/148:47 amDCA - ITM

2 stops21h 08mAmerican Airlines

Sun 1/252:40 pmITM - DCA

2 stops18h 04mAmerican Airlines

Deal found 12/16

$1,022

Sun 1/2511:50 amIAD - KIX

1 stop18h 55mKorean Air

Sun 2/89:00 amKIX - IAD

1 stop38h 50mKorean Air

Deal found 12/15

$1,022

Tue 1/64:10 pmBWI - KIX

2 stops34h 30mUnited Airlines

Wed 1/216:35 pmKIX - BWI

2 stops35h 31mUnited Airlines

Deal found 12/16

$843

Thu 2/510:05 amBWI - ITM

2 stops34h 05mANA

Fri 2/1310:00 amITM - BWI

2 stops25h 18mANA

Deal found 12/17

$927

Tue 1/64:10 pmBWI - KIX

2 stops34h 30mUnited Airlines

Tue 1/206:35 pmKIX - BWI

2 stops30h 45mUnited Airlines

Deal found 12/16

$843

Sun 1/1110:06 pmIAD - ITM

2 stops31h 04mMultiple Airlines

Mon 1/193:25 pmITM - IAD

2 stops19h 01mMultiple Airlines

Deal found 12/17

$984

Mon 3/308:30 amDCA - ITM

2 stops23h 00mJapan Airlines

Mon 4/132:35 pmITM - DCA

2 stops20h 51mJapan Airlines

Deal found 12/16

$994

Sun 1/258:40 pmDCA - KIX

2 stops32h 45mAir Canada

Thu 1/293:45 pmKIX - DCA

2 stops20h 50mAir Canada

Deal found 12/15

$1,012

Tue 1/612:25 pmBWI - KIX

2 stops38h 15mUnited Airlines

Fri 1/236:35 pmKIX - BWI

3 stops33h 36mUnited Airlines

Deal found 12/16

$843

Fri 1/306:00 amIAD - ITM

2 stops23h 55mAmerican Airlines

Fri 2/132:40 pmITM - IAD

2 stops22h 08mAmerican Airlines

Deal found 12/17

$1,026

Sun 4/1912:30 pmIAD - UKB

1 stop20h 15mANA

Wed 4/299:15 pmUKB - IAD

1 stop25h 50mANA

Deal found 12/17

$946

Thu 2/510:06 pmIAD - KIX

2 stops31h 19mMultiple Airlines

Fri 2/133:00 pmKIX - IAD

2 stops19h 29mMultiple Airlines

Deal found 12/17

$987

Tue 1/66:59 amDCA - ITM

2 stops23h 21mJapan Airlines

Tue 1/208:30 amITM - DCA

2 stops18h 14mJapan Airlines

Deal found 12/16

$998

Sat 1/178:40 pmDCA - ITM

2 stops32h 30mAir Canada

Sat 1/242:00 pmITM - DCA

2 stops22h 35mAir Canada

Deal found 12/16

$1,025

Fri 1/3010:05 amBWI - UKB

2 stops21h 40mANA

Fri 2/67:05 amUKB - BWI

2 stops21h 06mANA

Deal found 12/16

$960

Tue 3/317:30 amDCA - ITM

2 stops23h 25mJapan Airlines

Tue 4/142:35 pmITM - DCA

2 stops20h 51mJapan Airlines

Deal found 12/16

$1,001

Sat 1/318:40 pmDCA - UKB

2 stops35h 05mMultiple Airlines

Sat 2/79:15 pmUKB - DCA

2 stops58h 50mMultiple Airlines

Deal found 12/17

$1,013

Thu 2/510:06 pmIAD - ITM

2 stops31h 04mAir Canada

Fri 2/134:00 pmITM - IAD

2 stops18h 29mAir Canada

Deal found 12/17

$1,032

Tue 1/64:10 pmBWI - KIX

2 stops34h 30mUnited Airlines

Sat 1/246:35 pmKIX - BWI

2 stops18h 40mUnited Airlines

Deal found 12/16

$943

Sat 1/1010:05 amBWI - UKB

2 stops21h 40mANA

Fri 1/237:05 amUKB - BWI

2 stops21h 06mANA

Deal found 12/17

$969

Tue 3/317:30 amDCA - ITM

2 stops24h 00mJapan Airlines

Wed 4/158:30 amITM - DCA

2 stops18h 22mJapan Airlines

Deal found 12/17

$1,019

Fri 1/306:59 amDCA - ITM

2 stops23h 21mMultiple Airlines

Fri 2/62:00 pmITM - DCA

2 stops22h 35mMultiple Airlines

Deal found 12/16

$1,030

Tue 1/64:10 pmBWI - KIX

2 stops34h 30mUnited Airlines

Mon 1/196:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Deal found 12/16

$943

Sun 1/256:59 amDCA - ITM

2 stops23h 21mAir Canada

Thu 1/292:00 pmITM - DCA

2 stops22h 35mAir Canada

Deal found 12/15

$1,067

Fri 1/3011:10 amIAD - ITM

1 stop17h 00mANA

Fri 2/138:00 amITM - IAD

1 stop15h 10mANA

Deal found 12/17

$1,004

Last-minute flights from Washington, D.C. to Osaka
Discover last-minute flight deals from Washington, D.C. to Osaka. Data last updated December 18, 2025 and is based on user searches.

Tue 1/64:10 pmBWI - KIX

2 stops34h 30mUnited Airlines

Tue 1/206:35 pmKIX - BWI

3 stops33h 36mUnited Airlines

Deal found 12/16

$843

Tue 1/68:42 amBWI - KIX

1 stop41h 58mUnited Airlines

Thu 1/226:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Deal found 12/16

$849

Sat 1/106:34 pmBWI - KIX

1 stop32h 06mUnited Airlines

Fri 1/236:35 pmKIX - BWI

1 stop36h 51mUnited Airlines

Deal found 12/17

$832

Sat 1/105:18 pmBWI - KIX

2 stops38h 32mANA

Fri 1/236:35 pmKIX - BWI

2 stops34h 29mANA

Deal found 12/17

$847

Mon 1/1210:05 amBWI - KIX

2 stops22h 15mANA

Mon 1/199:10 pmKIX - BWI

2 stops31h 01mANA

Deal found 12/14

$857

Wed 1/1410:05 amBWI - ITM

2 stops31h 25mANA

Wed 1/211:00 pmITM - BWI

2 stops22h 21mANA

Deal found 12/15

$835

Wed 1/1410:05 amBWI - KIX

2 stops22h 15mANA

Wed 1/216:45 amKIX - BWI

2 stops21h 26mANA

Deal found 12/15

$838

Wed 1/146:00 amBWI - KIX

2 stops24h 45mDelta

Wed 1/219:00 amKIX - BWI

2 stops27h 02mDelta

Deal found 12/15

$853

Sat 1/248:42 amBWI - KIX

1 stop41h 58mUnited Airlines

Thu 2/128:20 amKIX - BWI

2 stops36h 14mUnited Airlines

Deal found 12/15

$851

Sat 1/246:34 pmBWI - KIX

1 stop32h 06mUnited Airlines

Wed 2/116:35 pmKIX - BWI

2 stops18h 40mUnited Airlines

Deal found 12/15

$854

Sun 1/256:34 pmBWI - KIX

2 stops34h 51mUnited Airlines

Fri 2/66:35 pmKIX - BWI

1 stop26h 57mUnited Airlines

Deal found 12/15

$846

Sun 1/256:34 pmBWI - KIX

2 stops34h 51mUnited Airlines

Wed 2/116:35 pmKIX - BWI

2 stops18h 40mUnited Airlines

Deal found 12/15

$850

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 December 18, 2025.

Mon 2/210:50 amIAD - ITM

3 stops54h 40mMultiple Airlines

Deal found 12/16

$415

Sat 1/312:00 pmDCA - ITM

3 stops51h 30mMultiple Airlines

Deal found 12/17

$460

Sat 1/318:08 pmBWI - ITM

3 stops45h 22mMultiple Airlines

Deal found 12/17

$489

Tue 1/276:04 pmIAD - ITM

2 stops47h 26mMultiple Airlines

Deal found 12/16

$528

Wed 1/286:04 pmIAD - ITM

2 stops47h 26mMultiple Airlines

Deal found 12/16

$529

Thu 1/2911:35 amIAD - ITM

3 stops41h 35mMultiple Airlines

Deal found 12/16

$530

Mon 4/134:37 pmBWI - KIX

3 stops37h 08mMultiple Airlines

Deal found 12/16

$532

Fri 1/306:04 pmIAD - ITM

2 stops47h 26mMultiple Airlines

Deal found 12/17

$536

Fri 1/307:14 pmBWI - KIX

2 stops33h 31mMultiple Airlines

Deal found 12/17

$537

Fri 1/167:14 pmBWI - KIX

3 stops47h 31mMultiple Airlines

Deal found 12/17

$538

Wed 1/76:00 amIAD - KIX

3 stops48h 55mMultiple Airlines

Deal found 12/15

$542

Fri 1/308:08 pmBWI - ITM

3 stops45h 22mMultiple Airlines

Deal found 12/17

$542

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$832 (United Airlines)
One-way from	$415 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$1,559

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

Highest demand for flights based on searches. 13% potential increase in price ($202 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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 - KIX

BWIKIX

Baltimore/Washington

Sat 1/10

6:34 pm-4:40 pm

1 stop32h 06m

Osaka Kansai Intl

Fri 1/23

6:35 pm-5:26 pm

1 stop36h 51m

$832

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

4:10 pm-4:40 pm

2 stops34h 30m

Osaka Kansai Intl

Wed 1/21

6:35 pm-4:06 pm

2 stops35h 31m

$843

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

4:10 pm-4:40 pm

2 stops34h 30m

Osaka Kansai Intl

Tue 1/20

6:35 pm-11:20 am

2 stops30h 45m

$843

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

12:25 pm-4:40 pm

2 stops38h 15m

Osaka Kansai Intl

Fri 1/23

6:35 pm-2:11 pm

3 stops33h 36m

$843

BaltimoreKobe

BWI - UKB

BWIUKB

Baltimore/Washington

Mon 1/26

10:05 am-9:45 pm

2 stops21h 40m

Kobe

Mon 2/9

9:15 pm-2:11 pm

2 stops30h 56m

$860

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 1/12

9:00 am-7:10 pm

2 stops20h 10m

Osaka Itami

Tue 1/20

3:25 pm-8:26 pm

2 stops19h 01m

$904

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sat 1/17

10:06 pm-7:10 pm

2 stops31h 04m

Osaka Itami

Sat 1/24

4:00 pm-8:26 pm

2 stops18h 26m

$905

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Thu 2/5

10:05 am-10:10 am

2 stops34h 05m

Osaka Itami

Fri 2/13

10:00 am-9:18 pm

2 stops25h 18m

$927

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

4:10 pm-4:40 pm

2 stops34h 30m

Osaka Kansai Intl

Sat 1/24

6:35 pm-11:15 pm

2 stops18h 40m

$943

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 1/6

4:10 pm-4:40 pm

2 stops34h 30m

Osaka Kansai Intl

Mon 1/19

6:35 pm-7:32 am

1 stop26h 57m

$943

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 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 Washington, D.C.-Osaka flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Osaka flight deals on Cheapflights vs. eDreams >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 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 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 68 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 evening. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Washington, D.C. to Osaka?

What’s the top layover airport for flights from Washington, D.C. to Osaka?

Hong Kong (HKG) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Osaka on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Osaka?

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $755.

What’s the fastest layover option from Washington, D.C. to Osaka?

Flights via Tokyo (HND) have the shortest average one-way travel time for 1-stop routes: 17h 05m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Osaka?

Flights via Tokyo (HND) offer the fastest connection on this route, with an average layover time of 1h 33m.

Reviews of airlines servicing Osaka

Read reviews from past customers who have flown ANA, Japan Airlines, and United Airlines from Washington, D.C. to Osaka. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

ANA

8.4

Very good

1,027 reviews

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Japan Airlines

8.3

Very good

1,662 reviews

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

United Airlines

7.4

Good

9,091 reviews

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

American Airlines

7.2

Good

11,054 reviews

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Air Canada

7.1

Good

10,534 reviews

ANA

8.4

Very good

1,027 reviews

Reviews

1 / 20

10.0

Excellent

Mario,Nov 2025

HND - BKK

Option to use Bluetooth headphones when connecting to in flight entertainment system. I want to use my own headsets with noise cancelling support

Related info for your journey

How long is the flight from Washington, D.C. to Osaka?
Airlines like United Airlines, ANA, and Air Canada fly from Washington, D.C. to Osaka in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 10h 26m. The distance between Washington, D.C. and Osaka is about 6940 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 $1,134. Another airline that can offer you cheap pricing is United Airlines. Users have found that ANA is 16% cheaper than the other options available to this destination.
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, Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Reagan-National - Osaka Kansai Intl 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.

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Alternative routes for Washington, D.C. to Osaka

Dulles Intl to Kansai Intl flights

Dulles Intl to Osaka Itami flights

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Top 2 airlines flying from Washington, D.C. to Osaka

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$157	Average$1,349	FlexibilityNo cancel fee	On-time69%
ANA	Cheapest$1,134	Average$1,716	FlexibilityNo cancel fee	On-time80%

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$415+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Osaka are usually found in September or October, booked 68 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap 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 December 18, 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 December 18, 2025.

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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 December.

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.

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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 December 12, 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 December 18, 2025.

How much does it cost to fly round-trip from Washington, D.C. to Osaka?

What’s the top layover airport for flights from Washington, D.C. to Osaka?

Share of 1-stop round-trip flights from Washington, D.C. to Osaka chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Washington, D.C. to Osaka?

Average round-trip fare for 1-stop flights from Washington, D.C. to Osaka, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Washington, D.C. to Osaka?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Osaka, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Osaka?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Osaka, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Osaka

Read reviews from past customers who have flown ANA, Japan Airlines, and United Airlines from Washington, D.C. to Osaka. Users can see the overall rating for each airline as well as how each is rated 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.

How long is the flight from Washington, D.C. to Osaka?

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

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?

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Top 2 airlines flying from Washington, D.C. to Osaka

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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 December 18, 2025.