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

Air Canada, American Airlines, and ANA are the most popular carriers 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 17h 30m and 19h 35m, 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 2 as of February 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.

$444 Cheap Flights from Washington, D.C. to Osaka Kansai Intl Airport in 2026

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:40 pm

DCA

KIX

21h 40m

2 stops

7:25 pm - 3:31 pm

KIX

DCA

33h 06m

2 stops

$863Air Canada

週三, 3月 4 - 週二, 3月 10

8:40 pm - 5:40 pm

DCA

KIX

31h 00m

2 stops

7:25 pm - 10:21 am

KIX

DCA

27h 56m

2 stops

$869Air Canada

週日, 3月 1 - 週二, 3月 10

10:09 pm - 5:40 pm

IAD

KIX

29h 31m

2 stops

7:25 pm - 4:21 pm

KIX

IAD

33h 56m

2 stops

$869Air Canada

週日, 3月 1 - 週二, 3月 10

4:30 pm - 5:40 pm

IAD

KIX

35h 10m

2 stops

8:00 am - 8:26 pm

KIX

IAD

26h 26m

2 stops

$997Multiple Airlines

週日, 3月 1 - 週三, 3月 4

7:04 pm - 12:00 pm

BWI

KIX

27h 56m

2 stops

7:05 pm - 5:44 am

KIX

BWI

23h 39m

2 stops

$1,128Multiple Airlines

週二, 4月 7 - 週二, 4月 21

11:41 am - 10:00 pm

BWI

KIX

21h 19m

2 stops

6:45 am - 5:56 pm

KIX

BWI

24h 11m

2 stops

$1,143Japan Airlines

週二, 4月 14 - 週四, 4月 23

5:39 am - 10:00 pm

BWI

KIX

27h 21m

2 stops

6:45 am - 5:56 pm

KIX

BWI

24h 11m

2 stops

$1,148Japan Airlines

週三, 4月 15 - 週六, 4月 25

7:11 pm - 5:15 pm

BWI

KIX

33h 04m

2 stops

11:10 am - 6:16 pm

KIX

BWI

44h 06m

2 stops

$1,150EVA Air

週二, 4月 21 - 週二, 4月 28

5:20 pm - 4:40 pm

BWI

KIX

33h 20m

2 stops

6:35 pm - 11:25 pm

KIX

BWI

18h 50m

2 stops

$1,164United Airlines

週日, 3月 1 - 週三, 3月 4

5:11 pm - 2:50 pm

BWI

KIX

32h 39m

2 stops

4:55 pm - 5:19 am

KIX

BWI

25h 24m

2 stops

$1,178United Airlines

週六, 7月 25 - 週二, 8月 18

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

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

Air Canada

Mar 4

DCA6:00 amWashington, D.C. Reagan-National

21h 40m

2 stops

KIX5:40 pmOsaka Kansai Intl

Mar 10

KIX7:25 pmOsaka Kansai Intl

33h 06m

2 stops

DCA3:31 pmWashington, D.C. Reagan-National

$863

Air Canada

Mar 1

DCA8:40 pmWashington, D.C. Reagan-National

31h 00m

2 stops

KIX5:40 pmOsaka Kansai Intl

Mar 10

KIX7:25 pmOsaka Kansai Intl

27h 56m

2 stops

DCA10:21 amWashington, D.C. Reagan-National

$869

Air Canada

Apr 14

DCA11:05 amWashington, D.C. Reagan-National

40h 20m

2 stops

KIX4:25 pmOsaka Kansai Intl

Apr 21

KIX6:00 pmOsaka Kansai Intl

27h 53m

2 stops

DCA8:53 amWashington, D.C. Reagan-National

$888

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

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

Japan Airlines

Apr 19

DCA8:30 amWashington, D.C. Reagan-National

21h 15m

1 stop

KIX6:45 pmOsaka Kansai Intl

Apr 29

KIX6:45 amOsaka Kansai Intl

22h 00m

2 stops

DCA3:45 pmWashington, D.C. Reagan-National

$1,030

Japan Airlines

Apr 19

DCA7:00 amWashington, D.C. Reagan-National

26h 00m

2 stops

KIX10:00 pmOsaka Kansai Intl

Apr 29

KIX6:45 amOsaka Kansai Intl

22h 00m

2 stops

DCA3:45 pmWashington, D.C. Reagan-National

$1,032

Japan Airlines

Apr 19

DCA11:36 amWashington, D.C. Reagan-National

21h 24m

2 stops

KIX10:00 pmOsaka Kansai Intl

Apr 29

KIX9:15 pmOsaka Kansai Intl

31h 30m

2 stops

DCA3:45 pmWashington, D.C. Reagan-National

$1,036

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

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

週三 3/4

6:00 am-5:40 pm

2 stops21h 40m

Osaka Kansai Intl

週二 3/10

7:25 pm-3:31 pm

2 stops33h 06m

$863

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

週日 3/1

8:40 pm-5:40 pm

2 stops31h 00m

Osaka Kansai Intl

週二 3/10

7:25 pm-10:21 am

2 stops27h 56m

$869

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

週日 3/1

10:09 pm-5:40 pm

2 stops29h 31m

Osaka Kansai Intl

週二 3/10

7:25 pm-4:21 pm

2 stops33h 56m

$869

Washington, D.C.Osaka

IAD - KIX

IADKIX

Washington, D.C. Dulles Intl

週日 3/1

4:30 pm-5:40 pm

2 stops35h 10m

Osaka Kansai Intl

週三 3/4

8:00 am-8:26 pm

2 stops26h 26m

$997

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週二 4/7

7:04 pm-12:00 pm

2 stops27h 56m

Osaka Kansai Intl

週二 4/21

7:05 pm-5:44 am

2 stops23h 39m

$1,128

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週二 4/14

11:41 am-10:00 pm

2 stops21h 19m

Osaka Kansai Intl

週四 4/23

6:45 am-5:56 pm

2 stops24h 11m

$1,143

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週三 4/15

5:39 am-10:00 pm

2 stops27h 21m

Osaka Kansai Intl

週六 4/25

6:45 am-5:56 pm

2 stops24h 11m

$1,148

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週二 4/21

7:11 pm-5:15 pm

2 stops33h 04m

Osaka Kansai Intl

週二 4/28

11:10 am-6:16 pm

2 stops44h 06m

$1,150

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週日 3/1

5:20 pm-4:40 pm

2 stops33h 20m

Osaka Kansai Intl

週三 3/4

6:35 pm-11:25 pm

2 stops18h 50m

$1,164

BaltimoreOsaka

BWI - KIX

BWIKIX

Baltimore/Washington

週六 7/25

5:11 pm-2:50 pm

2 stops32h 39m

Osaka Kansai Intl

週二 8/18

4:55 pm-5:19 am

2 stops25h 24m

$1,178

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

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

You could potentially save up to 21% 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	16h 25m
Direct flights	None

The fastest flight from Washington, D.C. to Osaka Kansai Intl Airport takes 16h 25m

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

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 16h 25m.
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 2 as of February 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.
What is the most popular airline from Washington, D.C. to Osaka Kansai Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Osaka Kansai Intl Airport is United Airlines (65% of total bookings). The next most popular airline is Air Canada (35%).

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
United Airlines	PriceFrom $157	Free Cancellation	Rating 7.4 9,289 reviews		Search United Airlines flights
ANA	PriceFrom $964	Free Cancellation	Rating 8.4 1,092 reviews		Search ANA flights

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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?

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Cheap flights from Washington, D.C. to Osaka from $444

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 4/6. 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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Air Canada flights from Washington, D.C. to Osaka Kansai Intl Airport

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

Our best Japan 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

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

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?

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 Kansai Intl Airport 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 Osaka

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