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 $1,167. Other airlines that can offer you cheap pricing are Cathay Pacific, from $1,191, and Delta, from $1,227. Users have found that United Airlines is 18% 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 $600. However, be on the lookout for offers from Japan Airlines and United Airlines, 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, Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Dulles Intl - Kobe as they are the most popular.

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 $1,425 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.

$467+ Flights from Washington, D.C. to Osaka

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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

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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	$1,167 (United Airlines)
One-way from	$482 (Kiwi.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, 8% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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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 30, 2025.

Tue 10/216:00 amBWI - ITM

2 stops24h 55mJapan Airlines

Tue 11/118:30 amITM - BWI

2 stops27h 07mJapan Airlines

Deal found 4/28

$1,038

Sun 10/196:15 amBWI - UKB

2 stops26h 30mANA

Fri 10/317:05 amUKB - BWI

2 stops26h 52mANA

Deal found 4/28

$1,047

Tue 10/216:15 amBWI - ITM

2 stops45h 50mUnited Airlines

Tue 11/111:00 pmITM - BWI

3 stops23h 34mUnited Airlines

Deal found 4/28

$1,066

Mon 9/16:15 amBWI - KIX

2 stops24h 15mUnited Airlines

Wed 9/108:25 amKIX - BWI

2 stops36h 41mUnited Airlines

Deal found 4/29

$1,068

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/29

$1,077

Wed 10/86:30 amBWI - KIX

1 stop19h 20mMultiple Airlines

Sun 10/198:30 amKIX - BWI

2 stops26h 02mMultiple Airlines

Deal found 4/29

$1,080

Wed 10/86:30 amBWI - ITM

2 stops23h 25mMultiple Airlines

Sun 10/192:00 pmITM - BWI

2 stops20h 32mMultiple Airlines

Deal found 4/29

$1,084

Tue 5/65:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Tue 5/139:10 amKIX - IAD

2 stops44h 07mCathay Pacific

Deal found 4/29

$1,191

Tue 5/611:55 amDCA - KIX

2 stops38h 20mCathay Pacific

Tue 5/139:10 amKIX - DCA

2 stops37h 19mCathay Pacific

Deal found 4/29

$1,197

Mon 11/35:30 pmDCA - KIX

2 stops29h 50mChina Airlines

Mon 11/1012:45 pmKIX - DCA

2 stops46h 10mChina Airlines

Deal found 4/27

$1,211

Sun 7/67:05 amBWI - KIX

2 stops24h 55mDelta

Wed 8/2712:35 pmKIX - BWI

2 stops24h 42mDelta

Deal found 4/28

$1,227

Sun 10/54:35 pmDCA - KIX

2 stops34h 50mAir Canada

Wed 10/156:05 pmKIX - DCA

1 stop17h 29mAir Canada

Deal found 4/28

$1,249

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 30, 2025.

Sun 7/136:42 amBWI - KIX

1 stop19h 08mUnited Airlines

Wed 7/238:25 amKIX - BWI

2 stops34h 03mUnited Airlines

Deal found 4/28

$1,167

Tue 5/65:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Tue 5/139:10 amKIX - IAD

2 stops44h 07mCathay Pacific

Deal found 4/29

$1,191

Sun 7/67:05 amBWI - KIX

2 stops24h 55mDelta

Wed 8/2712:35 pmKIX - BWI

2 stops24h 42mDelta

Deal found 4/28

$1,227

Tue 5/276:51 amBWI - KIX

1 stop18h 59mMultiple Airlines

Tue 6/36:45 amKIX - BWI

2 stops27h 57mMultiple Airlines

Deal found 4/29

$1,241

Fri 7/116:42 amBWI - UKB

2 stops26h 03mANA

Mon 7/217:05 amUKB - BWI

2 stops27h 37mANA

Deal found 4/28

$1,254

Sat 6/286:00 amBWI - ITM

2 stops36h 35mJapan Airlines

Fri 7/117:25 amITM - BWI

2 stops27h 52mJapan Airlines

Deal found 4/29

$1,255

Mon 5/121:30 pmIAD - KIX

1 stop40h 30mTurkish Airlines

Tue 6/2410:25 pmKIX - IAD

1 stop34h 20mTurkish Airlines

Deal found 4/27

$1,318

Tue 5/65:38 pmIAD - KIX

2 stops34h 37mEVA Air

Thu 6/266:30 pmKIX - IAD

2 stops34h 55mEVA Air

Deal found 4/27

$1,323

Tue 6/106:43 amBWI - ITM

2 stops22h 57mAmerican Airlines

Tue 6/177:25 amITM - BWI

2 stops22h 23mAmerican Airlines

Deal found 4/29

$1,434

Tue 7/16:00 amDCA - KIX

2 stops21h 25mAir Canada

Fri 7/116:05 pmKIX - DCA

1 stop17h 22mAir Canada

Deal found 4/28

$1,458

Tue 5/279:00 amBWI - KIX

2 stops43h 05mKorean Air

Tue 6/39:05 amKIX - BWI

2 stops41h 43mKorean Air

Deal found 4/29

$1,506

Sun 7/205:45 pmIAD - KIX

2 stops26h 55mAsiana Airlines

Mon 8/1810:50 amKIX - IAD

2 stops33h 03mAsiana Airlines

Deal found 4/28

$1,796

Last-minute flights from Washington, D.C. to Osaka
Discover last-minute flight deals from Washington, D.C. to Osaka. Data last updated April 30, 2025 and is based on user searches.

Wed 4/307:00 amIAD - KIX

2 stops34h 40mMultiple Airlines

Sun 5/410:00 amKIX - IAD

2 stops43h 38mMultiple Airlines

Deal found 4/29

$1,077

Tue 5/611:55 amDCA - KIX

2 stops41h 15mCathay Pacific

Tue 5/134:20 pmKIX - DCA

3 stops39h 47mCathay Pacific

Deal found 4/29

$1,332

Tue 5/65:44 pmIAD - KIX

2 stops33h 41mAir Canada

Thu 6/266:05 pmKIX - IAD

2 stops28h 32mAir Canada

Deal found 4/29

$1,432

Tue 5/65:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Thu 6/2610:00 amKIX - IAD

2 stops44h 35mCathay Pacific

Deal found 4/28

$1,433

Tue 5/68:59 amDCA - KIX

2 stops43h 16mEVA Air

Thu 6/2611:10 amKIX - DCA

2 stops47h 32mEVA Air

Deal found 4/27

$1,450

Tue 5/64:35 pmDCA - KIX

2 stops34h 50mAir Canada

Thu 6/266:05 pmKIX - DCA

2 stops29h 13mAir Canada

Deal found 4/28

$1,489

Tue 5/61:30 pmIAD - KIX

1 stop40h 30mTurkish Airlines

Thu 6/2610:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/29

$1,621

Tue 5/610:50 amBWI - ITM

2 stops19h 20mANA

Thu 6/267:05 amITM - BWI

2 stops19h 43mANA

Deal found 4/28

$1,800

Tue 5/66:00 amDCA - ITM

2 stops25h 15mMultiple Airlines

Tue 5/1312:30 pmITM - DCA

2 stops34h 49mMultiple Airlines

Deal found 4/29

$1,862

Tue 5/66:59 amDCA - ITM

2 stops23h 11mAir Canada

Thu 6/262:00 pmITM - DCA

2 stops21h 27mAir Canada

Deal found 4/28

$2,012

Tue 5/65:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Tue 5/139:10 amKIX - IAD

2 stops44h 07mCathay Pacific

Deal found 4/29

$1,191

Tue 5/611:55 amDCA - KIX

2 stops38h 20mCathay Pacific

Tue 5/139:10 amKIX - DCA

2 stops37h 19mCathay Pacific

Deal found 4/29

$1,197

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 30, 2025.

Mon 5/127:45 amIAD - KIX

3 stops46h 45mMultiple Airlines

Deal found 4/28

$482

Mon 5/129:21 pmBWI - KIX

3 stops47h 44mMultiple Airlines

Deal found 4/28

$489

Mon 5/127:45 amIAD - ITM

3 stops47h 30mMultiple Airlines

Deal found 4/28

$540

Mon 5/129:21 pmBWI - ITM

3 stops45h 04mMultiple Airlines

Deal found 4/28

$547

Tue 7/18:59 amDCA - KIX

3 stops44h 46mMultiple Airlines

Deal found 4/29

$561

Tue 7/86:42 amBWI - KIX

1 stop19h 08mANA

Deal found 4/29

$600

Tue 7/88:19 pmIAD - UKB

2 stops48h 41mMultiple Airlines

Deal found 4/29

$639

Tue 7/86:00 amBWI - ITM

2 stops24h 50mJapan Airlines

Deal found 4/29

$643

Tue 7/226:15 amBWI - UKB

2 stops50h 30mANA

Deal found 4/29

$651

Tue 7/228:59 amDCA - ITM

2 stops21h 51mMultiple Airlines

Deal found 4/29

$653

Mon 6/306:50 pmBWI - KIX

2 stops31h 00mUnited Airlines

Deal found 4/29

$662

Tue 7/1512:10 pmDCA - KIX

2 stops29h 30mCathay Pacific

Deal found 4/28

$672

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

Tue 10/21

6:00 am-7:55 pm

2 stops24h 55m

Osaka Itami

Tue 11/11

8:30 am-9:37 pm

2 stops27h 07m

$1,038

BaltimoreKobe

BWI - UKB

BWIUKB

Baltimore/Washington

Sun 10/19

6:15 am-9:45 pm

2 stops26h 30m

Kobe

Fri 10/31

7:05 am-8:57 pm

2 stops26h 52m

$1,047

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Fri 10/3

6:15 am-7:10 pm

2 stops23h 55m

Osaka Itami

Fri 10/17

9:00 am-9:29 pm

2 stops25h 29m

$1,056

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Tue 10/21

6:15 am-5:05 pm

2 stops45h 50m

Osaka Itami

Tue 11/11

1:00 pm-10:34 pm

3 stops23h 34m

$1,066

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 9/1

6:15 am-7:30 pm

2 stops24h 15m

Osaka Kansai Intl

Wed 9/10

8:25 am-8:06 am

2 stops36h 41m

$1,068

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 10/8

6:30 am-2:50 pm

1 stop19h 20m

Osaka Kansai Intl

Sun 10/19

8:30 am-9:32 pm

2 stops26h 02m

$1,080

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Wed 10/8

6:30 am-6:55 pm

2 stops23h 25m

Osaka Itami

Sun 10/19

2:00 pm-9:32 pm

2 stops20h 32m

$1,084

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/24

1:15 pm-6:40 am

2 stops28h 25m

Osaka Kansai Intl

Mon 9/8

9:10 am-12:45 am

2 stops28h 35m

$1,127

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 5/12

5:38 pm-1:00 pm

2 stops30h 22m

Osaka Kansai Intl

Tue 6/24

9:10 am-11:00 am

2 stops38h 50m

$1,220

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 7/6

7:05 am-9:00 pm

2 stops24h 55m

Osaka Kansai Intl

Wed 8/27

12:35 pm-12:17 am

2 stops24h 42m

$1,227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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

1,186 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

Korean Air

8.4

Very good

1,066 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

China Airlines

8.3

Very good

732 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

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 $1,167. Other airlines that can offer you cheap pricing are Cathay Pacific, from $1,191, and Delta, from $1,227. Users have found that United Airlines is 18% 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 $600. However, be on the lookout for offers from Japan Airlines and United Airlines, 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, Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Dulles Intl - Kobe 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

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Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Osaka

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

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$929	Average$1,017	FlexibilityNo cancel fee	On-time67%
ANA	Cheapest$1,457	Average$1,892	FlexibilityNo cancel fee	On-time80%

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$467+ 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 5/17. 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 January or November, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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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 30, 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 30, 2025.

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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.

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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 April 25, 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 30, 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 30, 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?

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

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What is the cheapest month to book a flight 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 April 30, 2025.