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

United Airlines is the most popular carrier operating from Washington, D.C. to Osaka

How long does it take to fly to Osaka?

Average flight duration from Washington, D.C. to Osaka depends on which airport you fly into and out of. Flying from Washington, D.C. to Osaka Kansai Intl Airport is 19h 17m on average, while flying from Baltimore to Osaka Kansai Intl Airport is 22h 05m on average. Osaka Kansai Intl Airport is the most popular airport in Osaka.

What airlines fly to Osaka?

ANA, United Airlines and Air Canada are the top three most popular airlines that fly to Osaka from Washington, D.C. according to our data. ANA is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 3 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.

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

Flights via Tokyo (HND) offer the lowest average round-trip price of $1,511.

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

Tokyo (HND) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Washington, D.C. to Osaka were last updated today.

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

There are 3 operators available for flights from Washington, D.C. to Osaka as of August 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. 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.

$454 Cheap Flights from Washington, D.C. to Osaka in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

5:45 am - 9:40 amBWI-KIX

38h 55m2 stops

9:10 am - 7:01 amKIX-BWI

34h 51m2 stops

$812

Find Deal

Tue, Sep 16 - Tue, Sep 23

5:45 am - 6:45 pmBWI-KIX

24h 00m1 stop

5:55 pm - 7:01 amKIX-BWI

26h 06m1 stop

$831

Find Deal

Mon, Sep 8 - Tue, Sep 23

6:59 am - 4:25 pmDCA-KIX

20h 26m2 stops

6:05 pm - 10:20 amKIX-DCA

29h 15m2 stops

$945Air Canada

Find Deal

Sun, Sep 21 - Thu, Oct 2

8:25 am - 4:25 pmIAD-KIX

19h 00m1 stop

6:05 pm - 11:13 amKIX-IAD

30h 08m2 stops

$945Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

6:45 am - 2:50 pmBWI-KIX

19h 05m1 stop

8:30 am - 9:55 amKIX-BWI

38h 25m2 stops

$996United Airlines

Find Deal

Sun, Sep 28 - Sun, Oct 5

7:49 am - 8:25 pmBWI-ITM

22h 36m2 stops

8:30 am - 8:33 pmITM-BWI

26h 03m2 stops

$1,028Japan Airlines

Find Deal

Sat, Jan 10 - Tue, Feb 10

6:40 pm - 2:50 pmBWI-KIX

31h 10m2 stops

4:50 pm - 5:48 amKIX-BWI

25h 58m1 stop

$1,039United Airlines

Find Deal

Fri, Aug 29 - Fri, Sep 5

6:00 am - 8:00 pmBWI-ITM

24h 00m2 stops

8:30 am - 4:29 pmITM-BWI

21h 59m2 stops

$1,040Japan Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 10

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 - Thu, Oct 2

12:25 pm - 7:10 pmIAD-ITM

17h 45m1 stop

7:30 am - 10:05 amITM-IAD

15h 35m1 stop

$1,079ANA

Find Deal

Sun, Sep 21 - Fri, Oct 3

United Airlines flights from Washington, D.C. to Osaka

Our best United Airlines deals on Washington, D.C. to Osaka flight tickets

United Airlines

Sep 28

BWI6:45 amBaltimore/Washington

19h 05m

1 stop

KIX2:50 pmOsaka Kansai Intl

Oct 5

KIX8:30 amOsaka Kansai Intl

38h 25m

2 stops

BWI9:55 amBaltimore/Washington

$996

Find similar

United Airlines

Aug 29

BWI6:40 pmBaltimore/Washington

31h 10m

2 stops

KIX2:50 pmOsaka Kansai Intl

Sep 5

KIX4:50 pmOsaka Kansai Intl

25h 58m

1 stop

BWI5:48 amBaltimore/Washington

$1,039

Find similar

United Airlines

Sep 28

BWI7:28 pmBaltimore/Washington

30h 22m

2 stops

KIX2:50 pmOsaka Kansai Intl

Oct 5

KIX8:30 amOsaka Kansai Intl

38h 25m

2 stops

BWI9:55 amBaltimore/Washington

$1,048

Find similar

Air China flights from Washington, D.C. to Osaka

Our best Air China deals on Washington, D.C. to Osaka flight tickets

Air China

Nov 21

IAD10:00 pmWashington, D.C. Dulles Intl

28h 00m

1 stop

KIX4:00 pmOsaka Kansai Intl

Dec 8

KIX1:50 pmOsaka Kansai Intl

42h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$891

Find similar

Air China

Nov 4

IAD10:00 pmWashington, D.C. Dulles Intl

28h 00m

1 stop

KIX4:00 pmOsaka Kansai Intl

Nov 10

KIX5:10 pmOsaka Kansai Intl

39h 20m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$896

Find similar

Air China

Aug 29

IAD11:00 pmWashington, D.C. Dulles Intl

24h 40m

1 stop

KIX12:40 pmOsaka Kansai Intl

Sep 5

KIX9:05 amOsaka Kansai Intl

23h 25m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$915

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 9/16

5:45 am-9:40 am

2 stops38h 55m

Osaka Kansai Intl

Tue 9/23

9:10 am-7:01 am

2 stops34h 51m

$812

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 9/8

5:45 am-6:45 pm

1 stop24h 00m

Osaka Kansai Intl

Tue 9/23

5:55 pm-7:01 am

1 stop26h 06m

$831

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sun 9/21

6:59 am-4:25 pm

2 stops20h 26m

Osaka Kansai Intl

Thu 10/2

6:05 pm-10:20 am

2 stops29h 15m

$945

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 9/17

8:25 am-4:25 pm

1 stop19h 00m

Osaka Kansai Intl

Wed 9/24

6:05 pm-11:13 am

2 stops30h 08m

$945

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 9/28

6:45 am-2:50 pm

1 stop19h 05m

Osaka Kansai Intl

Sun 10/5

8:30 am-9:55 am

2 stops38h 25m

$996

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sat 1/10

7:49 am-8:25 pm

2 stops22h 36m

Osaka Itami

Tue 2/10

8:30 am-8:33 pm

2 stops26h 03m

$1,028

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Fri 8/29

6:40 pm-2:50 pm

2 stops31h 10m

Osaka Kansai Intl

Fri 9/5

4:50 pm-5:48 am

1 stop25h 58m

$1,039

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Wed 11/26

6:00 am-8:00 pm

2 stops24h 00m

Osaka Itami

Wed 12/10

8:30 am-4:29 pm

2 stops21h 59m

$1,040

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

Thu 10/2

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

12:25 pm-7:10 pm

1 stop17h 45m

Osaka Itami

Fri 10/3

7:30 am-10:05 am

1 stop15h 35m

$1,079

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. 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

Other information

What is the cheapest month to fly to Osaka?

In general, January is the cheapest month to fly from Washington, D.C. to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,125. If you are unable to visit Osaka during the month of January, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $1,216.

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.. 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. 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. 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. to Osaka flights?

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. to Osaka flight.

When to book flights from Washington, D.C. to Osaka

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Osaka (WAS to OSA) flight deals and tips

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

Best Price Found	$454
Fastest flight time	16h 55m
Direct flights	None
Airports in Osaka	3 airports

The best one-way flight to Osaka from Washington, D.C. in the past 72 hours is $454. The best round-trip flight deal from Washington, D.C. to Osaka found on momondo in the last 72 hours is $812.

The fastest flight from Washington, D.C. to Osaka takes 16h 55m

There are no direct flights from Washington, D.C. to Osaka. Popular non-direct routes for this connection are Baltimore/Washington Airport - Osaka Kansai Intl Airport, Washington, D.C. Reagan-National Airport - Osaka Itami Airport and Washington, D.C. Reagan-National Airport - Osaka Kansai Intl Airport.

There are 3 airports near Osaka: Osaka Itami (ITM), Osaka Kansai Intl (KIX), Kobe (UKB)

Search flight deals

How far is Washington, D.C. to Osaka by plane?
There are 6939.3 mi between Washington, D.C. and Osaka. Flights usually cover this in 16h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Osaka?
Prices for flights from Washington, D.C. to Osaka were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Osaka?
There are 3 operators available for flights from Washington, D.C. to Osaka as of August 2025.
How old do you have to be to fly from Washington, D.C. to Osaka?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. 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. to Osaka?
Based on momondo bookings for flights between Washington, D.C. and Osaka, the leading airline is ANA, making up 45% of the total bookings. Other popular airlines include United Airlines with 26%, Air Canada with 13%, and Japan Airlines with 10%.

Best airlines flying from Washington, D.C. to Osaka

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $562	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Air Canada	PriceFrom $944	Free Cancellation	Rating 7.1 9,949 reviews	Search Air Canada flights
ANA	PriceFrom $1,457	Free Cancellation	Rating 8.4 933 reviews	Search ANA flights

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Why use momondo?

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?

Yes. momondo allows you to filter the results for Washington, D.C. to Osaka flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Washington, D.C. and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Osaka from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Osaka from $454

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Osaka departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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

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United Airlines flights from Washington, D.C. to Osaka

Our best United Airlines deals on Washington, D.C. to Osaka flight tickets

Air China flights from Washington, D.C. to Osaka

Our best Air China deals on Washington, D.C. to Osaka flight tickets

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How to get the cheapest flight ticket from Washington, D.C. 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 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?

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. to Osaka flight.

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

United Airlines is the most popular carrier operating from Washington, D.C. to Osaka

What airlines fly to Osaka?

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

Tokyo (HND) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Tokyo (HND) offer the lowest average round-trip price of $1,511.

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

Tokyo (HND) has the shortest average layover time for this route: 1h 29m.

How long does it take to fly to Osaka?

When to book flights from Washington, D.C. to Osaka

Cheap Washington, D.C. to Osaka (WAS to OSA) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Osaka

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

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

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

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

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

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

Best airlines flying from Washington, D.C. to Osaka

Compare and see reviews for airlines that fly from Washington, D.C. 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