What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Osaka?

American Airlines, United Airlines, and ANA are the most popular carriers operating from Washington, D.C. Dulles Intl to Osaka

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Osaka?

Tokyo (HND) has the shortest average layover time for this route: 1h 31m.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Osaka?

Tokyo (HND) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Osaka?

Flights via Tokyo (HND) offer the lowest average round-trip price of $1,561.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Osaka?

Flights connecting via Tokyo (HND) have the shortest average one-way travel time: 16h 55m.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Osaka?

Prices for flights from Washington, D.C. Dulles Intl Airport to Osaka are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Osaka?

As of December 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Osaka.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Osaka?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Osaka.

What documentation or ID do you need to fly to Osaka?

The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$415 Cheap Flights from Washington, D.C. Dulles Intl Airport to Osaka in 2025/26

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 7:10 pm

IAD

ITM

20h 10m2 stops

4:00 pm - 8:29 pm

ITM

IAD

18h 29m2 stops

$865Air Canada

Fri, Jan 30 - Fri, Feb 6

9:00 am - 7:10 pm

IAD

ITM

20h 10m2 stops

3:25 pm - 8:26 pm

ITM

IAD

19h 01m2 stops

$904Multiple Airlines

Mon, Jan 12 - Tue, Jan 20

10:06 pm - 7:10 pm

IAD

ITM

31h 04m2 stops

4:00 pm - 8:26 pm

ITM

IAD

18h 26m2 stops

$905Air Canada

Sat, Jan 17 - Sat, Jan 24

12:30 pm - 9:45 pm

IAD

UKB

20h 15m1 stop

9:15 pm - 10:05 am

UKB

IAD

25h 50m1 stop

$946ANA

Sun, Apr 19 - Wed, Apr 29

12:15 pm - 6:10 pm

IAD

ITM

16h 55m1 stop

8:20 pm - 10:05 am

ITM

IAD

26h 45m1 stop

$947ANA

Sun, Apr 19 - Wed, Apr 29

10:32 pm - 4:40 pm

IAD

KIX

28h 08m2 stops

6:35 pm - 11:22 pm

KIX

IAD

18h 47m2 stops

$961United Airlines

Sat, Jan 10 - Fri, Jan 23

10:10 pm - 6:10 pm

IAD

ITM

30h 00m2 stops

1:00 pm - 4:40 pm

ITM

IAD

16h 40m1 stop

$965United Airlines

Sat, Mar 7 - Wed, Mar 18

11:50 am - 10:10 am

IAD

UKB

32h 20m1 stop

6:40 pm - 9:50 am

UKB

IAD

29h 10m1 stop

$969Korean Air

Sun, Jan 25 - Thu, Feb 12

6:45 am - 5:35 pm

IAD

ITM

21h 50m2 stops

8:30 am - 4:07 pm

ITM

IAD

20h 37m2 stops

$995American Airlines

Sun, Apr 19 - Wed, Apr 29

11:50 am - 10:10 am

IAD

UKB

32h 20m1 stop

6:40 pm - 9:50 am

UKB

IAD

29h 10m1 stop

$1,019Korean Air

Sun, Jan 25 - Sat, Feb 7

Air Canada flights from Washington, D.C. Dulles Intl Airport to Osaka

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets

Air Canada

Jan 30

IAD9:00 amWashington, D.C. Dulles Intl

20h 10m

2 stops

ITM7:10 pmOsaka Itami

Feb 6

ITM4:00 pmOsaka Itami

18h 29m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$865

Find similar

Air Canada

Jan 17

IAD10:06 pmWashington, D.C. Dulles Intl

31h 04m

2 stops

ITM7:10 pmOsaka Itami

Jan 24

ITM4:00 pmOsaka Itami

18h 26m

2 stops

IAD8:26 pmWashington, D.C. Dulles Intl

$905

Find similar

Air Canada

Jan 12

IAD9:00 amWashington, D.C. Dulles Intl

20h 25m

2 stops

KIX7:25 pmOsaka Kansai Intl

Jan 20

KIX3:45 pmOsaka Kansai Intl

19h 40m

2 stops

IAD9:25 pmWashington, D.C. Dulles Intl

$907

Find similar

ANA flights from Washington, D.C. Dulles Intl Airport to Osaka

Our best ANA deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets

ANA

Apr 19

IAD12:30 pmWashington, D.C. Dulles Intl

20h 15m

1 stop

UKB9:45 pmKobe

Apr 29

UKB9:15 pmKobe

25h 50m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$946

Find similar

ANA

Apr 19

IAD12:30 pmWashington, D.C. Dulles Intl

17h 40m

1 stop

ITM7:10 pmOsaka Itami

Apr 29

ITM8:20 pmOsaka Itami

26h 45m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$947

Find similar

ANA

Apr 19

IAD12:15 pmWashington, D.C. Dulles Intl

18h 15m

1 stop

KIX7:30 pmOsaka Kansai Intl

Apr 29

KIX9:10 pmOsaka Kansai Intl

25h 55m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

$950

Find similar

momondo 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 - ITM

IADITM

Washington, D.C. Dulles Intl

Fri 1/30

9:00 am-7:10 pm

2 stops20h 10m

Osaka Itami

Fri 2/6

4:00 pm-8:29 pm

2 stops18h 29m

$865

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

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 4/19

12:30 pm-9:45 pm

1 stop20h 15m

Kobe

Wed 4/29

9:15 pm-10:05 am

1 stop25h 50m

$946

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 4/19

12:15 pm-6:10 pm

1 stop16h 55m

Osaka Itami

Wed 4/29

8:20 pm-10:05 am

1 stop26h 45m

$947

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sat 1/10

10:32 pm-4:40 pm

2 stops28h 08m

Osaka Kansai Intl

Fri 1/23

6:35 pm-11:22 pm

2 stops18h 47m

$961

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sat 3/7

10:10 pm-6:10 pm

2 stops30h 00m

Osaka Itami

Wed 3/18

1:00 pm-4:40 pm

1 stop16h 40m

$965

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 1/25

11:50 am-10:10 am

1 stop32h 20m

Kobe

Thu 2/12

6:40 pm-9:50 am

1 stop29h 10m

$969

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 4/19

6:45 am-5:35 pm

2 stops21h 50m

Osaka Itami

Wed 4/29

8:30 am-4:07 pm

2 stops20h 37m

$995

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 1/25

11:50 am-10:10 am

1 stop32h 20m

Kobe

Sat 2/7

6:40 pm-9:50 am

1 stop29h 10m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Osaka

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest day to depart on your flight to Osaka?

According to our data, Wednesday is the cheapest day to fly to Osaka from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Wednesday departure recently was $1,352. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Osaka for around $1,681.

What is the cheapest time of day to depart on your flight to Osaka?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Osaka flights are usually those with departure times in the evening. Our users have found flights to Osaka in the evening for as low as $1,390. Flights to Osaka are more costly in the morning, with an average ticket price of $1,475. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Osaka flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Osaka flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Osaka

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Osaka according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Osaka (IAD to OSA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Osaka

Fastest flight time	17h 00m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Osaka takes 17h 00m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Osaka. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Osaka.

Search flight deals

How far is Washington, D.C. Dulles Intl to Osaka by plane?
There are 6926.6 mi between Washington, D.C. Dulles Intl and Osaka. In terms of flight time, this usually takes a little over 17h 00m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Osaka?
Prices for flights from Washington, D.C. Dulles Intl Airport to Osaka are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Osaka?
As of December 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Osaka.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Osaka?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Osaka.
What documentation or ID do you need to fly to Osaka?
The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Osaka?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Osaka is ANA (68% of total bookings). The next most popular airline is United Airlines (32%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Osaka

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Osaka with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $1,134	Free Cancellation	Rating 8.4 1,027 reviews		Search ANA flights
United Airlines	PriceFrom $1,170	Free Cancellation	Rating 7.4 9,091 reviews		Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Osaka?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Washington, D.C..

Can I find flights from Washington, D.C. to Osaka with flexible booking policies on momondo?

Flights from Washington, D.C. to Osaka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Osaka?

Once you have performed a search for Washington, D.C. to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Osaka right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Osaka flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Osaka from $415

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Filter for what you want

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Osaka

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Air Canada flights from Washington, D.C. Dulles Intl Airport to Osaka

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets

ANA flights from Washington, D.C. Dulles Intl Airport to Osaka

Our best ANA deals on Washington, D.C. Dulles Intl Airport to Osaka flight tickets

momondo 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.

See travel insights to Osaka from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Osaka

What is the cheapest day to depart on your flight to Osaka?

What is the cheapest time of day to depart on your flight to Osaka?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Osaka flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Osaka flight.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Osaka?

American Airlines, United Airlines, and ANA are the most popular carriers operating from Washington, D.C. Dulles Intl to Osaka

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Osaka?

Tokyo (HND) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Osaka?

Flights via Tokyo (HND) offer the lowest average round-trip price of $1,561.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Osaka?

Flights connecting via Tokyo (HND) have the shortest average one-way travel time: 16h 55m.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Osaka?

Tokyo (HND) has the shortest average layover time for this route: 1h 31m.

When to book flights from Washington, D.C. Dulles Intl Airport to Osaka

Cheap Washington, D.C. Dulles Intl Airport to Osaka (IAD to OSA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Osaka

Fastest flight time

Direct flights

How far is Washington, D.C. Dulles Intl to Osaka by plane?

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Osaka?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Osaka?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Osaka?

What documentation or ID do you need to fly to Osaka?

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Osaka

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Osaka with momondo

Traveling to a place near Osaka?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Osaka?

Can I find flights from Washington, D.C. to Osaka with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Osaka?

I’m not ready to book a flight from Washington, D.C. to Osaka right now. Can momondo alert me if prices change?

An easier way to manage your Osaka trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka