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

ANA is the most popular carrier operating from Washington, D.C. to Osaka Kansai Intl

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 19h 38m and 20h 30m, respectively.

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 July 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.

$370 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.

7:30 am - 8:45 pm

BWI

KIX

23h 15m

2 stops

11:55 am - 12:26 am

KIX

BWI

26h 31m

2 stops

$1,066Delta

Sun, Nov 29 - Fri, Dec 18

8:18 am - 8:45 pm

BWI

KIX

23h 27m

2 stops

2:15 am - 3:42 pm

KIX

BWI

26h 27m

2 stops

$1,072Korean Air

Tue, Sep 1 - Mon, Sep 14

1:20 pm - 3:00 pm

IAD

KIX

36h 40m

1 stop

7:40 pm - 10:50 am

KIX

IAD

28h 10m

1 stop

$1,086Multiple Airlines

Sun, Aug 23 - Sun, Aug 30

9:09 am - 9:50 pm

BWI

KIX

23h 41m

2 stops

6:45 am - 1:58 pm

KIX

BWI

20h 13m

2 stops

$1,097ANA

Tue, Oct 13 - Wed, Oct 21

8:10 am - 4:45 pm

BWI

KIX

19h 35m

1 stop

6:35 pm - 5:58 am

KIX

BWI

25h 23m

1 stop

$1,103United Airlines

Sun, Oct 25 - Thu, Nov 5

6:15 am - 4:45 pm

BWI

KIX

20h 30m

1 stop

8:20 am - 9:40 pm

KIX

BWI

27h 20m

2 stops

$1,106United Airlines

Tue, Dec 1 - Thu, Dec 17

6:10 am - 4:45 pm

BWI

KIX

21h 35m

2 stops

6:35 pm - 5:29 am

KIX

BWI

24h 54m

2 stops

$1,108United Airlines

Sun, Oct 25 - Wed, Nov 4

1:20 pm - 3:00 pm

IAD

KIX

36h 40m

1 stop

12:15 am - 10:50 am

KIX

IAD

23h 35m

1 stop

$1,112Multiple Airlines

Wed, Aug 26 - Tue, Sep 1

1:15 am - 12:10 pm

IAD

KIX

21h 55m

1 stop

6:30 pm - 10:00 pm

KIX

IAD

40h 30m

1 stop

$1,154EVA Air

Mon, Sep 28 - Sun, Oct 4

1:50 am - 12:10 pm

IAD

KIX

21h 20m

1 stop

6:30 pm - 10:00 pm

KIX

IAD

40h 30m

1 stop

$1,166EVA Air

Mon, Aug 31 - Tue, Sep 15

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EVA Air flights from Washington, D.C. to Osaka Kansai Intl Airport

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

EVA Air

Sep 28

IAD1:15 amWashington, D.C. Dulles Intl

21h 55m

1 stop

KIX12:10 pmOsaka Kansai Intl

Oct 4

KIX6:30 pmOsaka Kansai Intl

40h 30m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,154

EVA Air

Aug 31

IAD1:50 amWashington, D.C. Dulles Intl

21h 20m

1 stop

KIX12:10 pmOsaka Kansai Intl

Sep 15

KIX6:30 pmOsaka Kansai Intl

40h 30m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,166

EVA Air

Nov 9

IAD11:55 pmWashington, D.C. Dulles Intl

22h 00m

1 stop

KIX11:55 amOsaka Kansai Intl

Nov 15

KIX6:10 pmOsaka Kansai Intl

40h 45m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$1,168

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

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

United Airlines

Oct 25

BWI8:10 amBaltimore/Washington

19h 35m

1 stop

KIX4:45 pmOsaka Kansai Intl

Nov 5

KIX6:35 pmOsaka Kansai Intl

25h 23m

1 stop

BWI5:58 amBaltimore/Washington

$1,103

United Airlines

Dec 1

BWI6:15 amBaltimore/Washington

20h 30m

1 stop

KIX4:45 pmOsaka Kansai Intl

Dec 17

KIX8:20 amOsaka Kansai Intl

27h 20m

2 stops

BWI9:40 pmBaltimore/Washington

$1,106

United Airlines

Oct 25

BWI6:10 amBaltimore/Washington

21h 35m

2 stops

KIX4:45 pmOsaka Kansai Intl

Nov 4

KIX6:35 pmOsaka Kansai Intl

24h 54m

2 stops

BWI5:29 amBaltimore/Washington

$1,108

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

Sun 11/29

7:30 am-8:45 pm

2 stops23h 15m

Osaka Kansai Intl

Fri 12/18

11:55 am-12:26 am

2 stops26h 31m

$1,066

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 9/1

8:18 am-8:45 pm

2 stops23h 27m

Osaka Kansai Intl

Mon 9/14

2:15 am-3:42 pm

2 stops26h 27m

$1,072

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Sun 8/30

7:40 pm-10:50 am

1 stop28h 10m

$1,086

Quickest round-trip

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 10/13

9:09 am-9:50 pm

2 stops23h 41m

Osaka Kansai Intl

Wed 10/21

6:45 am-1:58 pm

2 stops20h 13m

$1,097

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 10/25

8:10 am-4:45 pm

1 stop19h 35m

Osaka Kansai Intl

Thu 11/5

6:35 pm-5:58 am

1 stop25h 23m

$1,103

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Tue 12/1

6:15 am-4:45 pm

1 stop20h 30m

Osaka Kansai Intl

Thu 12/17

8:20 am-9:40 pm

2 stops27h 20m

$1,106

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

Sun 10/25

6:10 am-4:45 pm

2 stops21h 35m

Osaka Kansai Intl

Wed 11/4

6:35 pm-5:29 am

2 stops24h 54m

$1,108

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-3:00 pm

1 stop36h 40m

Osaka Kansai Intl

Tue 9/1

12:15 am-10:50 am

1 stop23h 35m

$1,112

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

$1,154

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-12:10 pm

1 stop21h 20m

Osaka Kansai Intl

Tue 9/15

6:30 pm-10:00 pm

1 stop40h 30m

$1,166

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 6% 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	19h 46m
Direct flights	None

The fastest flight from Washington, D.C. to Osaka Kansai Intl Airport takes 19h 46m

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 19h 46m.
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 July 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 1,271 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 Haneda Airportfrom $665

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Flights to Osaka Itami Airportfrom $561

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Cheap flights from Washington, D.C. to Osaka from $370

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 8/29. 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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EVA Air flights from Washington, D.C. to Osaka Kansai Intl Airport

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

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

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

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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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