How long does it take to fly to Osaka Kansai Intl Airport?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Osaka Kansai Intl Airport, then you can expect flight times to average 20h 20m and 20h 30m, respectively.

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

United Airlines, Delta, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Osaka Kansai Intl

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

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

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

The number of operators available for flights from Washington, D.C. to Osaka Kansai Intl Airport is 1 as of June 2026.

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

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 Kansai Intl Airport.

What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$520 Cheap Flights from Washington, D.C. to Osaka Kansai Intl Airport in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 4:45 pm

BWI

KIX

20h 30m

1 stop

6:35 pm - 5:52 am

KIX

BWI

25h 17m

1 stop

$931United Airlines

Tue, Nov 3 - Thu, Nov 12

6:15 am - 4:45 pm

BWI

KIX

20h 30m

1 stop

8:20 am - 4:25 pm

KIX

BWI

22h 05m

2 stops

$935United Airlines

Tue, Nov 3 - Wed, Nov 18

7:10 pm - 4:45 pm

BWI

KIX

31h 35m

2 stops

6:35 pm - 5:52 am

KIX

BWI

25h 17m

1 stop

$936United Airlines

Mon, Nov 2 - Thu, Nov 12

6:10 am - 8:45 pm

BWI

KIX

24h 35m

2 stops

2:15 am - 12:27 pm

KIX

BWI

24h 12m

2 stops

$950Korean Air

Wed, Nov 4 - Tue, Nov 17

6:00 am - 9:50 pm

BWI

KIX

26h 50m

2 stops

6:45 am - 4:28 pm

KIX

BWI

22h 43m

2 stops

$956ANA

Wed, Sep 9 - Wed, Sep 16

1:15 am - 12:10 pm

IAD

KIX

21h 55m

1 stop

6:30 pm - 10:00 pm

KIX

IAD

40h 30m

1 stop

$1,141EVA Air

Mon, Sep 28 - Sun, Oct 4

1:15 am - 12:10 pm

IAD

KIX

21h 55m

1 stop

6:30 pm - 10:00 pm

KIX

IAD

40h 30m

1 stop

$1,143EVA Air

Mon, Sep 28 - Sun, Oct 4

1:15 pm - 11:20 am

IAD

KIX

33h 05m

1 stop

6:10 pm - 9:50 am

KIX

IAD

29h 40m

1 stop

$1,237Korean Air

Wed, Oct 21 - Mon, Nov 16

11:31 am - 6:40 am

DCA

KIX

30h 09m

2 stops

9:05 am - 11:58 pm

KIX

DCA

27h 53m

2 stops

$1,273Cathay Pacific

Tue, Sep 22 - Thu, Oct 8

10:16 pm - 12:55 pm

DCA

KIX

49h 39m

2 stops

5:35 pm - 11:58 pm

KIX

DCA

43h 23m

2 stops

$1,278Cathay Pacific

Wed, Aug 26 - Sun, Sep 6

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STARLUX Airlines flights from Washington, D.C. to Osaka Kansai Intl Airport

Our best STARLUX Airlines deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets

STARLUX Airlines

Oct 14

IAD5:33 pmWashington, D.C. Dulles Intl

29h 42m

2 stops

KIX12:15 pmOsaka Kansai Intl

Oct 26

KIX12:20 pmOsaka Kansai Intl

30h 20m

2 stops

IAD5:40 amWashington, D.C. Dulles Intl

$1,239

STARLUX Airlines

Nov 8

IAD5:14 pmWashington, D.C. Dulles Intl

29h 36m

2 stops

KIX12:50 pmOsaka Kansai Intl

Nov 14

KIX12:20 pmOsaka Kansai Intl

31h 31m

2 stops

IAD5:51 amWashington, D.C. Dulles Intl

$1,243

STARLUX Airlines

Sep 26

IAD7:00 amWashington, D.C. Dulles Intl

40h 15m

2 stops

KIX12:15 pmOsaka Kansai Intl

Oct 4

KIX1:25 pmOsaka Kansai Intl

47h 34m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

$1,249

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

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

Cathay Pacific

Sep 22

DCA11:31 amWashington, D.C. Reagan-National

30h 09m

2 stops

KIX6:40 amOsaka Kansai Intl

Oct 8

KIX9:05 amOsaka Kansai Intl

27h 53m

2 stops

DCA11:58 pmWashington, D.C. Reagan-National

$1,273

Cathay Pacific

Aug 26

DCA10:16 pmWashington, D.C. Reagan-National

49h 39m

2 stops

KIX12:55 pmOsaka Kansai Intl

Sep 6

KIX5:35 pmOsaka Kansai Intl

43h 23m

2 stops

DCA11:58 pmWashington, D.C. Reagan-National

$1,278

Cathay Pacific

Sep 29

IAD4:56 pmWashington, D.C. Dulles Intl

32h 54m

3 stops

KIX2:50 pmOsaka Kansai Intl

Oct 4

KIX6:30 pmOsaka Kansai Intl

56h 30m

2 stops

IAD2:00 pmWashington, D.C. Dulles Intl

$1,288

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 11/3

6:15 am-4:45 pm

1 stop20h 30m

Osaka Kansai Intl

Thu 11/12

6:35 pm-5:52 am

1 stop25h 17m

$931

Quickest round-trip

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 11/3

6:15 am-4:45 pm

1 stop20h 30m

Osaka Kansai Intl

Wed 11/18

8:20 am-4:25 pm

2 stops22h 05m

$935

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Mon 11/2

7:10 pm-4:45 pm

2 stops31h 35m

Osaka Kansai Intl

Thu 11/12

6:35 pm-5:52 am

1 stop25h 17m

$936

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 11/4

6:10 am-8:45 pm

2 stops24h 35m

Osaka Kansai Intl

Tue 11/17

2:15 am-12:27 pm

2 stops24h 12m

$950

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Wed 9/9

6:00 am-9:50 pm

2 stops26h 50m

Osaka Kansai Intl

Wed 9/16

6:45 am-4:28 pm

2 stops22h 43m

$956

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,141

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-12:10 pm

1 stop21h 55m

Osaka Kansai Intl

Sun 10/4

6:30 pm-10:00 pm

1 stop40h 30m

$1,143

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 10/21

1:15 pm-11:20 am

1 stop33h 05m

Osaka Kansai Intl

Mon 11/16

6:10 pm-9:50 am

1 stop29h 40m

$1,237

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

11:31 am-6:40 am

2 stops30h 09m

Osaka Kansai Intl

Thu 10/8

9:05 am-11:58 pm

2 stops27h 53m

$1,273

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Wed 8/26

10:16 pm-12:55 pm

2 stops49h 39m

Osaka Kansai Intl

Sun 9/6

5:35 pm-11:58 pm

2 stops43h 23m

$1,278

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 Kansai Intl Airport

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

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Other information

What is the cheapest month to fly to Osaka Kansai Intl Airport?

In general, December is the cheapest month to fly from Washington, D.C. to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Osaka Kansai Intl Airport from Washington, D.C. during January instead. Flights to Osaka Kansai Intl Airport in January, while not as cheap as those in December, still average around $0.

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

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. to Osaka Kansai Intl Airport flight.

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

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

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

Fastest flight time	20h 15m
Direct flights	None

The fastest flight from Washington, D.C. to Osaka Kansai Intl Airport takes 20h 15m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Osaka Kansai Intl Airport

How far is Washington, D.C. to Osaka Kansai Intl by plane?
The distance between Washington, D.C. and Osaka Kansai Intl is about 6960.7 mi. By plane, this route typically takes 20h 15m.
When did momondo last update prices for flights from Washington, D.C. to Osaka Kansai Intl Airport?
Prices for flights from Washington, D.C. to Osaka Kansai Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Osaka Kansai Intl Airport?
The number of operators available for flights from Washington, D.C. to Osaka Kansai Intl Airport is 1 as of June 2026.
How old do you have to be to fly from Washington, D.C. to Osaka Kansai Intl Airport?
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 Kansai Intl Airport.
What documentation or ID do you need to fly to Osaka Kansai Intl Airport?
The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $964	Free Cancellation	Rating 8.3 1,247 reviews		Search ANA flights

Izumisano

Nara

Himeji

Nishinomiya

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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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

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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Flights to Tokyo Narita Airportfrom $388

Flights to Tokyo Haneda Airportfrom $746

Flights to Osaka Itami Airportfrom $667

Flights to Nagoya Chubu Centrair Intl Airportfrom $728

Cheap flights from Washington, D.C. to Osaka from $520

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 8/25. 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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STARLUX Airlines flights from Washington, D.C. to Osaka Kansai Intl Airport

Our best STARLUX Airlines deals on Washington, D.C. to Osaka Kansai Intl Airport flight tickets

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

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

momondo Fare Finder

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

See travel insights to Osaka from

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

What is the cheapest month to fly to Osaka Kansai Intl Airport?

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

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

How long does it take to fly to Osaka Kansai Intl Airport?

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

Cheap Washington, D.C. to Osaka Kansai Intl Airport (WAS to KIX) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Osaka Kansai Intl Airport

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

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

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka Kansai Intl Airport trip

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List of cabin classes available on flights landing in Osaka. Availability may vary depending on flight origin and airline.

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