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

The cheapest airlines for a one-way flight from Osaka to Washington, D.C. Dulles Intl Airport are EVA Air ($803), Air China ($1,070), and Qatar Airways ($1,306).

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

Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Osaka to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 round-trip from Osaka to Washington, D.C. Dulles Intl Airport?

Wednesday flights are generally found to be more expensive for flights from Osaka to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

Flights from Osaka to Washington, D.C. Dulles Intl Airport lean towards being more expensive in March. Prices are generally better when you fly from Osaka to Washington, D.C. Dulles Intl Airport in October, with the cheapest ticket starting at $1,208.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Osaka to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

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

Most trusted provider : When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$475+ Flights from Osaka to Washington, D.C. Dulles Intl Airport

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Find cheap flights from Osaka to Dulles Intl 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.

Cheap flight deals from Osaka to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,289 (Trip.com)
One-way from	$475 (Kiwi.com)
Popular in	March
Cheapest in	October

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

Find flight deals from Osaka to Dulles Intl

Cheapest flights from Osaka to Dulles Intl
Explore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Fri 5/231:10 pmKIX - IAD

2 stops40h 04mMultiple Airlines

Fri 5/307:25 pmIAD - KIX

2 stops27h 45mMultiple Airlines

Deal found 4/23

$1,289

Thu 5/812:00 pmKIX - IAD

1 stop40h 35mKLM

Sun 5/115:25 pmIAD - KIX

1 stop27h 55mKLM

Deal found 4/23

$1,556

Mon 8/116:05 pmKIX - IAD

2 stops28h 32mAir Canada

Mon 8/182:25 pmIAD - KIX

1 stop37h 00mAir Canada

Deal found 4/22

$1,712

Wed 6/184:55 pmKIX - IAD

2 stops18h 55mUnited Airlines

Wed 6/256:30 amIAD - KIX

1 stop19h 20mUnited Airlines

Deal found 4/23

$1,759

Wed 6/182:35 pmITM - IAD

2 stops29h 52mJapan Airlines

Wed 6/256:30 amIAD - ITM

2 stops24h 15mJapan Airlines

Deal found 4/23

$1,795

Fri 5/236:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Fri 5/3011:00 amIAD - KIX

1 stop41h 25mQatar Airways

Deal found 4/23

$1,825

Sat 9/132:05 pmITM - IAD

2 stops19h 50mANA

Sat 9/2712:40 pmIAD - ITM

2 stops29h 45mANA

Deal found 4/21

$1,896

Sat 9/132:00 pmITM - IAD

2 stops19h 42mMultiple Airlines

Sat 9/2712:25 pmIAD - ITM

1 stop17h 45mMultiple Airlines

Deal found 4/21

$1,913

Mon 8/412:00 pmITM - IAD

2 stops22h 21mUnited Airlines

Tue 9/166:35 amIAD - ITM

2 stops21h 30mUnited Airlines

Deal found 4/23

$1,922

Mon 8/49:10 amKIX - IAD

2 stops34h 40mCathay Pacific

Tue 9/165:36 pmIAD - KIX

3 stops32h 19mCathay Pacific

Deal found 4/23

$2,035

Fri 6/68:30 amITM - IAD

2 stops47h 45mAir France

Fri 6/139:20 pmIAD - ITM

2 stops50h 15mAir France

Deal found 4/22

$2,205

Wed 6/185:00 pmKIX - IAD

3 stops52h 55mEthiopian Air

Wed 6/2510:55 amIAD - KIX

2 stops45h 10mEthiopian Air

Deal found 4/23

$2,720

Best flights from Osaka to Dulles Intl
Discover carefully curated flight deals from Osaka to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Fri 5/231:10 pmKIX - IAD

2 stops40h 04mMultiple Airlines

Fri 5/307:25 pmIAD - KIX

2 stops27h 45mMultiple Airlines

Deal found 4/23

$1,289

Thu 5/812:00 pmKIX - IAD

1 stop40h 35mKLM

Sun 5/115:25 pmIAD - KIX

1 stop27h 55mKLM

Deal found 4/23

$1,556

Mon 8/116:05 pmKIX - IAD

2 stops28h 32mAir Canada

Mon 8/182:25 pmIAD - KIX

1 stop37h 00mAir Canada

Deal found 4/22

$1,712

Wed 6/184:55 pmKIX - IAD

2 stops18h 55mUnited Airlines

Wed 6/256:30 amIAD - KIX

1 stop19h 20mUnited Airlines

Deal found 4/23

$1,759

Wed 6/182:35 pmITM - IAD

2 stops29h 52mJapan Airlines

Wed 6/256:30 amIAD - ITM

2 stops24h 15mJapan Airlines

Deal found 4/23

$1,795

Fri 5/236:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Fri 5/3011:00 amIAD - KIX

1 stop41h 25mQatar Airways

Deal found 4/23

$1,825

Sat 9/132:05 pmITM - IAD

2 stops19h 50mANA

Sat 9/2712:40 pmIAD - ITM

2 stops29h 45mANA

Deal found 4/21

$1,896

Mon 8/49:10 amKIX - IAD

2 stops34h 40mCathay Pacific

Tue 9/165:36 pmIAD - KIX

3 stops32h 19mCathay Pacific

Deal found 4/23

$2,035

Fri 6/68:30 amITM - IAD

2 stops47h 45mAir France

Fri 6/139:20 pmIAD - ITM

2 stops50h 15mAir France

Deal found 4/22

$2,205

Wed 6/185:00 pmKIX - IAD

3 stops52h 55mEthiopian Air

Wed 6/2510:55 amIAD - KIX

2 stops45h 10mEthiopian Air

Deal found 4/23

$2,720

Sat 6/79:00 amITM - IAD

2 stops43h 20mLufthansa

Sat 6/146:10 pmIAD - ITM

2 stops29h 55mLufthansa

Deal found 4/23

$2,810

Sat 9/132:00 pmITM - IAD

2 stops19h 42mMultiple Airlines

Sat 9/2712:25 pmIAD - ITM

1 stop17h 45mMultiple Airlines

Deal found 4/21

$1,913

Last-minute flights from Osaka to Dulles Intl
Discover last-minute flight deals from Osaka to Dulles Intl. Data last updated April 24, 2025 and is based on user searches.

Thu 5/812:00 pmKIX - IAD

1 stop40h 35mKLM

Sun 5/115:25 pmIAD - KIX

1 stop27h 55mKLM

Deal found 4/23

$1,556

Thu 5/223:00 pmITM - IAD

2 stops19h 25mAir Canada

Thu 5/2910:25 amIAD - ITM

2 stops19h 30mAir Canada

Deal found 4/22

$6,457

Thu 5/2211:00 amITM - IAD

1 stop17h 45mMultiple Airlines

Thu 5/2910:25 amIAD - ITM

2 stops19h 30mMultiple Airlines

Deal found 4/22

$9,435

Fri 5/231:10 pmKIX - IAD

2 stops40h 04mMultiple Airlines

Fri 5/307:25 pmIAD - KIX

2 stops27h 45mMultiple Airlines

Deal found 4/23

$1,289

Fri 5/236:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Fri 5/3011:00 amIAD - KIX

1 stop41h 25mQatar Airways

Deal found 4/23

$1,825

Fri 5/237:05 amITM - IAD

1 stop16h 00mANA

Fri 5/3012:15 pmIAD - ITM

1 stop16h 55mANA

Deal found 4/23

$2,520

One-way flights from Osaka to Dulles Intl
Search for one-way flight options from Osaka to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Mon 5/128:55 pmKIX - IAD

3 stops54h 55mMultiple Airlines

Deal found 4/23

$475

Tue 7/111:10 amKIX - IAD

2 stops42h 15mEVA Air

Deal found 4/23

$803

Tue 7/19:05 amKIX - IAD

1 stop23h 25mAir China

Deal found 4/23

$1,070

Mon 10/137:05 amITM - IAD

2 stops27h 20mMultiple Airlines

Deal found 4/21

$1,245

Mon 5/126:55 pmKIX - IAD

1 stop26h 45mQatar Airways

Deal found 4/23

$1,306

Sat 6/2811:45 pmKIX - IAD

1 stop45h 55mEmirates

Deal found 4/24

$1,368

Tue 7/18:00 amITM - IAD

1 stop20h 45mANA

Deal found 4/22

$1,451

Sat 6/286:05 pmKIX - IAD

2 stops30h 34mAir Canada

Deal found 4/24

$1,679

Mon 4/282:05 pmITM - IAD

2 stops39h 05mEtihad Airways

Deal found 4/22

$2,782

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 5/23

1:10 pm-4:14 pm

2 stops40h 04m

Washington, D.C. Dulles Intl

Fri 5/30

7:25 pm-12:10 pm

2 stops27h 45m

$1,289

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 5/8

12:00 pm-3:35 pm

1 stop40h 35m

Washington, D.C. Dulles Intl

Sun 5/11

5:25 pm-10:20 am

1 stop27h 55m

$1,556

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 8/11

6:05 pm-9:37 am

2 stops28h 32m

Washington, D.C. Dulles Intl

Mon 8/18

2:25 pm-4:25 pm

1 stop37h 00m

$1,712

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 6/18

4:55 pm-10:50 pm

2 stops18h 55m

Washington, D.C. Dulles Intl

Wed 6/25

6:30 am-2:50 pm

1 stop19h 20m

$1,759

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Wed 6/18

2:35 pm-7:27 am

2 stops29h 52m

Washington, D.C. Dulles Intl

Wed 6/25

6:30 am-7:45 pm

2 stops24h 15m

$1,795

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 5/23

6:55 pm-8:40 am

1 stop26h 45m

Washington, D.C. Dulles Intl

Fri 5/30

11:00 am-5:25 pm

1 stop41h 25m

$1,825

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Sat 9/13

2:05 pm-8:55 pm

2 stops19h 50m

Washington, D.C. Dulles Intl

Sat 9/27

12:40 pm-7:25 am

2 stops29h 45m

$1,896

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Sat 9/13

2:00 pm-8:42 pm

2 stops19h 42m

Washington, D.C. Dulles Intl

Sat 9/27

12:25 pm-7:10 pm

1 stop17h 45m

$1,913

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Mon 8/4

12:00 pm-9:21 pm

2 stops22h 21m

Washington, D.C. Dulles Intl

Tue 9/16

6:35 am-5:05 pm

2 stops21h 30m

$1,922

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 8/4

9:10 am-6:50 am

2 stops34h 40m

Washington, D.C. Dulles Intl

Tue 9/16

5:36 pm-2:55 pm

3 stops32h 19m

$2,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 23 results

Compare providers for flights from Osaka to Dulles Intl

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

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

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

Most accurate provider: When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Osaka-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Osaka to Dulles Intl

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

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Osaka to Washington, D.C., such as EVA Air, Japan Airlines and ANA. 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.

EVA Air

8.4

Very good

1,180 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

1,180 reviews

EVA Air

8.4

Very good

1,180 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

1,452 reviews

EVA Air

8.4

Very good

1,180 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

853 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

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

Emirates

8.0

Very good

3,206 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

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

KLM

7.8

Good

1,333 reviews

EVA Air

8.4

Very good

1,180 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 to fly from Osaka to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Osaka to Washington, D.C. Dulles Intl Airport are EVA Air ($803), Air China ($1,070), and Qatar Airways ($1,306).
Can I find deals for flights from Osaka to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Osaka to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Osaka to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Dulles Intl.
Can I find deals for business class flights from Osaka to Dulles Intl?
Yes. Cheapflights offers flight deals from Osaka to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Osaka to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Osaka to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Osaka to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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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$475+ Cheap flights from Osaka (OSA) to Dulles Intl (IAD)

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.

Find cheap flights from Osaka to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Osaka to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Find flight deals from Osaka to Dulles Intl

Cheapest flights from Osaka to Dulles IntlExplore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Osaka to Dulles Intl

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

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

Best time to book a flight from Osaka to Dulles Intl

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

Cheapflights Insights

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

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Osaka to Washington, D.C., such as EVA Air, Japan Airlines and ANA. 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 Osaka to Dulles Intl. 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 to fly from Osaka to Washington, D.C. Dulles Intl Airport one-way?

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

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

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

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

Traveling to a place near Osaka?

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Alternative routes for Osaka to Dulles Intl

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Cheapest flights from Osaka to Dulles Intl
Explore the most affordable flight options available from Osaka to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.