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 29m.

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 $1,609.

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

Air Canada, Korean Air, and Cathay Pacific 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: 83% of momondo users choosing 1-stop flights on this route connected there.

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 58m.

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 August 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.

$416 Cheap Flights from Washington, D.C. Dulles Intl Airport to Osaka (IAD-OSA) in 2025

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Osaka?

Prices are currently high for flights on this route. Typical prices usually range from $665 to $784. The lowest price recently found on this route was $983.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Osaka (IAD-OSA)

Round-trip

One-way

Last minute

Cheap round-trip flights

5:50 pm - 5:40 pmIAD-KIX

33h 50m2 stops

3:45 pm - 8:29 pmKIX-IAD

18h 44m2 stops

$983Air Canada

Find Deal

Thu, Nov 27 - Thu, Dec 11

10:20 am - 4:25 pmIAD-KIX

17h 05m1 stop

6:05 pm - 9:38 amKIX-IAD

28h 33m2 stops

$988Air Canada

Find Deal

Thu, Sep 18 - Thu, Sep 25

5:40 pm - 1:00 pmIAD-KIX

30h 20m2 stops

9:10 am - 10:57 amKIX-IAD

38h 47m2 stops

$1,066Cathay Pacific

Find Deal

Tue, Sep 9 - Thu, Sep 18

5:40 pm - 1:00 pmIAD-KIX

30h 20m2 stops

10:00 am - 10:57 amKIX-IAD

37h 57m2 stops

$1,068Cathay Pacific

Find Deal

Tue, Sep 9 - Thu, Sep 18

12:15 pm - 9:45 pmIAD-UKB

20h 30m1 stop

7:05 am - 10:05 amUKB-IAD

16h 00m1 stop

$1,079ANA

Find Deal

Sun, Sep 21 - Fri, Oct 3

12:15 pm - 8:35 pmIAD-ITM

19h 20m1 stop

7:30 am - 10:05 amITM-IAD

15h 35m1 stop

$1,079ANA

Find Deal

Sun, Sep 21 - Fri, Oct 3

8:53 am - 7:25 amIAD-ITM

33h 32m2 stops

4:00 pm - 6:23 amITM-IAD

28h 23m2 stops

$1,090

Find Deal

Thu, Oct 23 - Wed, Nov 5

6:00 pm - 2:55 pmIAD-KIX

31h 55m3 stops

10:00 am - 10:57 amKIX-IAD

37h 57m2 stops

$1,094

Find Deal

Thu, Sep 18 - Thu, Sep 25

6:50 pm - 2:50 pmIAD-KIX

31h 00m2 stops

8:20 am - 3:40 pmKIX-IAD

21h 20m1 stop

$1,117United Airlines

Find Deal

Tue, Oct 21 - Fri, Nov 21

6:35 am - 2:50 pmIAD-KIX

19h 15m1 stop

4:50 pm - 12:21 amKIX-IAD

20h 31m2 stops

$1,125United Airlines

Find Deal

Sun, Sep 21 - Fri, Oct 3

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

Nov 27

IAD5:50 pmWashington, D.C. Dulles Intl

33h 50m

2 stops

KIX5:40 pmOsaka Kansai Intl

Dec 11

KIX3:45 pmOsaka Kansai Intl

18h 44m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$983

Find similar

Air Canada

Sep 18

IAD10:20 amWashington, D.C. Dulles Intl

17h 05m

1 stop

KIX4:25 pmOsaka Kansai Intl

Sep 25

KIX6:05 pmOsaka Kansai Intl

28h 33m

2 stops

IAD9:38 amWashington, D.C. Dulles Intl

$988

Find similar

Air Canada

Nov 27

IAD10:11 pmWashington, D.C. Dulles Intl

30h 59m

2 stops

ITM7:10 pmOsaka Itami

Dec 11

ITM3:00 pmOsaka Itami

19h 29m

2 stops

IAD8:29 pmWashington, D.C. Dulles Intl

$994

Find similar

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

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

Cathay Pacific

Sep 9

IAD5:40 pmWashington, D.C. Dulles Intl

30h 20m

2 stops

KIX1:00 pmOsaka Kansai Intl

Sep 18

KIX9:10 amOsaka Kansai Intl

38h 47m

2 stops

IAD10:57 amWashington, D.C. Dulles Intl

$1,066

Find similar

Cathay Pacific

Sep 9

IAD5:40 pmWashington, D.C. Dulles Intl

30h 20m

2 stops

KIX1:00 pmOsaka Kansai Intl

Sep 18

KIX10:00 amOsaka Kansai Intl

37h 57m

2 stops

IAD10:57 amWashington, D.C. Dulles Intl

$1,068

Find similar

Cathay Pacific

Sep 8

IAD5:40 pmWashington, D.C. Dulles Intl

30h 20m

2 stops

KIX1:00 pmOsaka Kansai Intl

Sep 17

KIX6:35 pmOsaka Kansai Intl

53h 22m

2 stops

IAD10:57 amWashington, D.C. Dulles Intl

$1,083

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 - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 11/27

5:50 pm-5:40 pm

2 stops33h 50m

Osaka Kansai Intl

Thu 12/11

3:45 pm-8:29 pm

2 stops18h 44m

$983

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 9/18

10:20 am-4:25 pm

1 stop17h 05m

Osaka Kansai Intl

Thu 9/25

6:05 pm-9:38 am

2 stops28h 33m

$988

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/9

5:40 pm-1:00 pm

2 stops30h 20m

Osaka Kansai Intl

Thu 9/18

9:10 am-10:57 am

2 stops38h 47m

$1,066

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 9/9

5:40 pm-1:00 pm

2 stops30h 20m

Osaka Kansai Intl

Thu 9/18

10:00 am-10:57 am

2 stops37h 57m

$1,068

Washington, D.C.Kobe

IAD - UKB

IADUKB

Washington, D.C. Dulles Intl

Sun 9/21

12:15 pm-9:45 pm

1 stop20h 30m

Kobe

Fri 10/3

7:05 am-10:05 am

1 stop16h 00m

$1,079

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 9/21

12:15 pm-8:35 pm

1 stop19h 20m

Osaka Itami

Fri 10/3

7:30 am-10:05 am

1 stop15h 35m

$1,079

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Thu 10/23

8:53 am-7:25 am

2 stops33h 32m

Osaka Itami

Wed 11/5

4:00 pm-6:23 am

2 stops28h 23m

$1,090

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Thu 9/18

6:00 pm-2:55 pm

3 stops31h 55m

Osaka Kansai Intl

Thu 9/25

10:00 am-10:57 am

2 stops37h 57m

$1,094

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Tue 10/21

6:50 pm-2:50 pm

2 stops31h 00m

Osaka Kansai Intl

Fri 11/21

8:20 am-3:40 pm

1 stop21h 20m

$1,117

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 9/21

6:35 am-2:50 pm

1 stop19h 15m

Osaka Kansai Intl

Fri 10/3

4:50 pm-12:21 am

2 stops20h 31m

$1,125

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Osaka?

What is the cheapest month to fly to Osaka?

In general, July is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $373. If you are unable to visit Osaka during the month of July, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $680.

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.

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

Direct flights	None

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 16h 45m.
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 August 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 (100% of total bookings).

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
United Airlines	PriceFrom $1,170	Free Cancellation	Rating 7.4 8,930 reviews		Search United Airlines flights
ANA	PriceFrom $1,322	Free Cancellation	Rating 8.4 938 reviews		Search ANA flights

Nara

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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 $416

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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 (IAD-OSA)

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

Our best Cathay Pacific 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

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

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Osaka?

What is the cheapest month to fly 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?

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

Air Canada, Korean Air, and Cathay Pacific 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: 83% 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 $1,609.

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 58m.

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 29m.

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

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