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

According to our current data, Cathay Pacific ($1,191), Turkish Airlines ($1,318), and EVA Air ($1,323) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. Cathay Pacific is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Osaka are Cathay Pacific ($709), Air Canada ($854), and EVA Air ($927).

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Osaka (average of $898). Flying from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Osaka?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Osaka flight should consider departing on Tuesday afternoons 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. Dulles Intl Airport to Osaka?

The most popular route from Washington, D.C. Dulles Intl Airport to Osaka is Washington, D.C. Dulles Intl - Osaka Kansai Intl. You may also consider Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Dulles Intl - Kobe.

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

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 36% on the overall cost on flights from Washington, D.C. Dulles Intl Airport to Osaka.

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

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Osaka, book at least 50 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,013 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,264.

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

January can be a great time to fly to Osaka from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $1,425. Cheapflights users have found deals in the month of January for as cheap as $935. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Osaka flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Osaka that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Osaka?

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

Can I find deals for business class flights from Dulles Intl to Osaka?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$482+ Flights from Washington, D.C. Dulles Intl Airport to Osaka

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

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Cheap flight deals from Dulles Intl to Osaka

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,191 (oojo)
One-way from	$482 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$1,671

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

Search Deals

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

Search Deals

From Washington, D.C. Dulles Intl to Osaka (OSA)

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($237 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($58 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Dulles Intl to Osaka

Cheapest flights from Dulles Intl to Osaka
Explore the most affordable flight options available from Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

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 5/65:07 pmIAD - KIX

2 stops30h 53mCathay Pacific

Tue 5/139:10 amKIX - IAD

2 stops44h 07mCathay Pacific

Deal found 4/29

$1,191

Sun 9/218:25 amIAD - KIX

1 stop19h 00mAir Canada

Mon 9/296:05 pmKIX - IAD

2 stops39h 50mAir Canada

Deal found 4/29

$1,253

Mon 11/39:45 amIAD - ITM

2 stops20h 35mAir Canada

Mon 11/103:00 pmITM - IAD

2 stops19h 29mAir Canada

Deal found 4/27

$1,283

Sun 8/249:40 pmIAD - KIX

1 stop32h 20mTurkish Airlines

Mon 9/810:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/29

$1,350

Thu 6/268:19 pmIAD - KIX

2 stops33h 26mAlaska Airlines

Mon 7/148:45 pmKIX - IAD

1 stop32h 40mAlaska Airlines

Deal found 4/29

$1,585

Tue 7/111:00 pmIAD - KIX

1 stop24h 40mAir China

Fri 7/119:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/29

$1,603

Fri 9/1210:25 amIAD - UKB

2 stops32h 25mMultiple Airlines

Fri 9/197:05 amUKB - IAD

2 stops27h 20mMultiple Airlines

Deal found 4/29

$1,610

Sun 8/241:30 pmIAD - UKB

1 stop31h 30mKorean Air

Mon 9/86:30 pmUKB - IAD

1 stop29h 25mKorean Air

Deal found 4/29

$1,636

Sat 5/245:25 pmIAD - KIX

2 stops24h 50mLufthansa

Wed 6/49:30 amKIX - IAD

1 stop46h 55mLufthansa

Deal found 4/29

$1,713

Sun 10/1912:15 pmIAD - UKB

1 stop20h 30mANA

Fri 10/317:05 amUKB - IAD

1 stop16h 05mANA

Deal found 4/28

$1,726

Fri 10/1712:15 pmIAD - ITM

1 stop17h 55mANA

Fri 10/317:30 amITM - IAD

1 stop15h 40mANA

Deal found 4/28

$1,729

Best flights from Dulles Intl to Osaka
Discover carefully curated flight deals from Dulles Intl to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

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 5/207:25 pmIAD - KIX

2 stops30h 50mMultiple Airlines

Tue 6/37:35 pmKIX - IAD

2 stops36h 24mMultiple Airlines

Deal found 4/28

$1,272

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

Sun 7/138:18 amIAD - KIX

2 stops43h 07mAir Canada

Tue 7/226:05 pmKIX - IAD

2 stops30h 50mAir Canada

Deal found 4/28

$1,542

Tue 7/112:15 pmIAD - KIX

1 stop18h 15mANA

Fri 7/118:25 amKIX - IAD

1 stop20h 20mANA

Deal found 4/28

$1,763

Tue 5/206:30 amIAD - ITM

2 stops24h 20mJapan Airlines

Tue 6/32:35 pmITM - IAD

2 stops30h 01mJapan Airlines

Deal found 4/29

$1,785

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

Wed 5/217:45 amIAD - KIX

2 stops24h 15mDelta

Wed 6/412:35 pmKIX - IAD

2 stops23h 59mDelta

Deal found 4/29

$1,807

Tue 7/16:32 amIAD - KIX

1 stop19h 18mUnited Airlines

Fri 7/114:55 pmKIX - IAD

2 stops19h 15mUnited Airlines

Deal found 4/28

$1,837

Wed 5/216:30 pmIAD - ITM

2 stops29h 05mAir France

Wed 6/48:30 amITM - IAD

2 stops47h 45mAir France

Deal found 4/29

$1,884

Fri 5/1611:00 pmIAD - KIX

1 stop24h 40mAir China

Fri 5/309:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/29

$1,926

Last-minute flights from Dulles Intl to Osaka
Discover last-minute flight deals from Dulles Intl to Osaka. Data last updated April 29, 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 5/65:44 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 5/61:30 pmIAD - KIX

1 stop40h 30mTurkish Airlines

Thu 6/2610:25 pmKIX - IAD

1 stop26h 20mTurkish Airlines

Deal found 4/29

$1,621

Tue 5/612:15 pmIAD - ITM

1 stop17h 55mANA

Tue 5/138:20 pmITM - IAD

1 stop26h 45mANA

Deal found 4/29

$2,164

Tue 5/61:15 pmIAD - UKB

1 stop31h 45mKorean Air

Thu 6/266:30 pmUKB - IAD

1 stop29h 45mKorean Air

Deal found 4/29

$2,190

Tue 5/610:25 amIAD - ITM

2 stops19h 45mAir Canada

Tue 5/133:00 pmITM - IAD

2 stops19h 25mAir Canada

Deal found 4/29

$2,273

Tue 5/69:00 pmIAD - KIX

1 stop31h 25mQatar Airways

Tue 5/139:10 amKIX - IAD

2 stops36h 30mQatar Airways

Deal found 4/29

$2,327

Tue 5/66:10 pmIAD - ITM

2 stops29h 55mLufthansa

Thu 6/269:00 amITM - IAD

2 stops43h 20mLufthansa

Deal found 4/27

$2,649

Tue 5/612:15 pmIAD - UKB

1 stop20h 30mANA

Tue 5/137:05 amUKB - IAD

1 stop16h 00mANA

Deal found 4/29

$2,701

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

Wed 5/76:05 pmIAD - KIX

2 stops32h 45mAsiana Airlines

Fri 5/97:10 pmKIX - IAD

2 stops47h 13mAsiana Airlines

Deal found 4/28

$2,032

One-way flights from Dulles Intl to Osaka
Search for one-way flight options from Dulles Intl to Osaka. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Mon 5/127:45 amIAD - KIX

3 stops46h 45mMultiple Airlines

Deal found 4/28

$482

Mon 5/127:45 amIAD - ITM

3 stops47h 30mMultiple Airlines

Deal found 4/28

$540

Tue 7/88:19 pmIAD - UKB

2 stops48h 41mMultiple Airlines

Deal found 4/29

$639

Tue 7/156:44 pmIAD - KIX

3 stops31h 11mCathay Pacific

Deal found 4/28

$709

Tue 7/228:22 amIAD - KIX

1 stop19h 03mAir Canada

Deal found 4/29

$854

Tue 7/158:19 pmIAD - UKB

2 stops48h 41mEVA Air

Deal found 4/28

$927

Mon 6/307:59 pmIAD - KIX

2 stops27h 01mChina Airlines

Deal found 4/29

$954

Tue 7/812:20 pmIAD - UKB

1 stop30h 30mANA

Deal found 4/29

$956

Tue 7/812:20 pmIAD - ITM

1 stop16h 50mANA

Deal found 4/29

$958

Tue 7/812:15 pmIAD - KIX

1 stop18h 15mANA

Deal found 4/29

$960

Fri 6/65:45 pmIAD - KIX

2 stops26h 55mAsiana Airlines

Deal found 4/29

$1,011

Tue 7/228:31 pmIAD - UKB

2 stops24h 29mKorean Air

Deal found 4/29

$1,019

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 5/6

5:07 pm-1:00 pm

2 stops30h 53m

Osaka Kansai Intl

Tue 5/13

9:10 am-4:17 pm

2 stops44h 07m

$1,191

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 5/20

7:25 pm-3:15 pm

2 stops30h 50m

Osaka Kansai Intl

Tue 6/3

7:35 pm-6:59 pm

2 stops36h 24m

$1,272

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 5/12

1:30 pm-7:00 pm

1 stop40h 30m

Osaka Kansai Intl

Tue 6/24

10:25 pm-7:45 pm

1 stop34h 20m

$1,318

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 5/6

5:38 pm-5:15 pm

2 stops34h 37m

Osaka Kansai Intl

Thu 6/26

6:30 pm-4:25 pm

2 stops34h 55m

$1,323

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 7/13

8:18 am-4:25 pm

2 stops43h 07m

Osaka Kansai Intl

Tue 7/22

6:05 pm-11:55 am

2 stops30h 50m

$1,542

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 7/1

12:15 pm-7:30 pm

1 stop18h 15m

Osaka Kansai Intl

Fri 7/11

8:25 am-3:45 pm

1 stop20h 20m

$1,763

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 5/20

6:30 am-7:50 pm

2 stops24h 20m

Osaka Itami

Tue 6/3

2:35 pm-7:36 am

2 stops30h 01m

$1,785

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 7/20

5:45 pm-9:40 am

2 stops26h 55m

Osaka Kansai Intl

Mon 8/18

10:50 am-6:53 am

2 stops33h 03m

$1,796

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 5/21

7:45 am-9:00 pm

2 stops24h 15m

Osaka Kansai Intl

Wed 6/4

12:35 pm-11:34 pm

2 stops23h 59m

$1,807

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 7/6

12:15 pm-9:45 pm

1 stop20h 30m

Kobe

Wed 8/27

7:05 am-3:45 pm

1 stop21h 40m

$1,826

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 44 results

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Compare providers for flights from Dulles Intl to Osaka

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	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. Dulles Intl Airport-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. Dulles Intl Airport-Osaka flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Osaka flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Dulles Intl 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. Dulles Intl Airport to Osaka

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

When flying from Washington, D.C. Dulles Intl Airport to Osaka, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight at noon.

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

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka. You can also see how each airline compares 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

855 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. Dulles Intl Airport to Osaka round-trip?
According to our current data, Cathay Pacific ($1,191), Turkish Airlines ($1,318), and EVA Air ($1,323) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Osaka. Cathay Pacific is priced at 25% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Osaka one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Osaka are Cathay Pacific ($709), Air Canada ($854), and EVA Air ($927).
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Osaka?
The most popular route from Washington, D.C. Dulles Intl Airport to Osaka is Washington, D.C. Dulles Intl - Osaka Kansai Intl. You may also consider Washington, D.C. Dulles Intl - Osaka Itami or Washington, D.C. Dulles Intl - Kobe.
Can I find deals for flights from Dulles Intl to Osaka that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Osaka?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Osaka.
Can I find deals for business class flights from Dulles Intl to Osaka?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Osaka?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Osaka (average of $898). Flying from Washington, D.C. Dulles Intl Airport 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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Top 2 airlines flying from Dulles Intl 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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$482+ Cheap flights from Dulles Intl (IAD) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Dulles Intl to Osaka

Cheapest flights from Dulles Intl to OsakaExplore the most affordable flight options available from Dulles Intl to Osaka. 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 Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

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

Compare providers for flights from Dulles Intl 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 Dulles Intl to Osaka in April.

Best time to book a flight from Dulles Intl to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Dulles Intl 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 29, 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 29, 2025.

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Washington, D.C. to Osaka. You can also see how each airline compares 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 Dulles Intl 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. Dulles Intl Airport to Osaka round-trip?

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

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

Can I find deals for flights from Dulles Intl to Osaka that include hotel bookings?

How can I find direct flights from Dulles Intl to Osaka?

Can I find deals for business class flights from Dulles Intl to Osaka?

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

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Alternative routes for Dulles Intl to Osaka

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Top 2 airlines flying from Dulles Intl to Osaka

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Cheapest flights from Dulles Intl to Osaka
Explore the most affordable flight options available from Dulles Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.