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

Cathay Pacific 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 55m and 23h 50m, 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 November 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.

$411 Cheap Flights from Washington, D.C. to Osaka Kansai Intl Airport in 2026/27

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.

10:59 am - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

41h 46m2 stops San Diego Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$625Multiple Airlines

Mon, Jan 25 - Sat, Feb 6

10:59 am - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

41h 46m2 stops San Diego Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$642Multiple Airlines

Wed, Jan 20 - Sat, Feb 6

5:05 pm - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

35h 40m2 stops Portland Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$646Multiple Airlines

Tue, Jan 26 - Sat, Feb 6

10:59 am - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

41h 46m2 stops San Diego Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$661Multiple Airlines

Fri, Jan 22 - Sat, Feb 6

10:59 am - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

41h 46m2 stops San Diego Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$661Multiple Airlines

Thu, Jan 21 - Sat, Feb 6

6:59 pm - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

33h 46m3 stops San Francisco Los Angeles Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$868Multiple Airlines

Sat, Jan 23 - Sat, Feb 6

6:59 pm - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

33h 46m2 stops San Francisco Honolulu

8:45 pm - 9:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 15m2 stops Honolulu San Diego

$924Multiple Airlines

Sat, Jan 23 - Sat, Feb 6

5:05 pm - 6:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

35h 40m2 stops Portland Honolulu

8:45 pm - 4:00 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

33h 15m2 stops Honolulu Portland

$931Multiple Airlines

Tue, Feb 2 - Tue, Feb 9

11:10 am - 9:50 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

20h 40m1 stop Tokyo Haneda

7:05 am - 3:40 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

22h 35m1 stop Tokyo Haneda

$1,380ANA

Fri, Nov 27 - Thu, Dec 10

12:20 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

20h 00m1 stop Tokyo Haneda

7:05 am - 9:10 amKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

16h 05m1 stop Tokyo Haneda

$1,380ANA

Fri, Jan 1 - Fri, Jan 22

Cheap last minute flights

Enter your travel dates to find the best prices.

10:11 am - 6:20 amDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

30h 09m2 stops Chicago O'Hare Intl Hong Kong Intl

7:05 pm - 7:18 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

38h 13m2 stops Hong Kong Intl New York John F Kennedy Intl

$1,961Cathay Pacific

Sun, Nov 8 - Sun, Jan 3

10:11 am - 6:20 amDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

30h 09m2 stops Chicago O'Hare Intl Hong Kong Intl

4:15 pm - 10:42 amKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

32h 27m3 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl New York John F Kennedy Intl

$1,984Cathay Pacific

Sun, Nov 8 - Sun, Jan 3

1:30 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

39h 40m1 stop Istanbul

10:45 pm - 7:25 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

34h 40m1 stop Istanbul

$2,165Turkish Airlines

Sun, Nov 8 - Sun, Jan 3

5:17 pm - 9:55 amIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

26h 38m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

6:10 pm - 8:55 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

40h 45m1 stop Taipei City Taiwan Taoyuan Intl

$2,205Multiple Airlines

Sun, Nov 8 - Sun, Jan 3

5:17 pm - 11:10 amIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

27h 53m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

8:45 pm - 5:51 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

35h 06m2 stops Honolulu San Diego

$2,606Multiple Airlines

Sun, Nov 8 - Sun, Jan 3

10:11 am - 2:45 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

38h 34m3 stops Chicago O'Hare Intl Hong Kong Intl Taipei City Taiwan Taoyuan Intl

4:15 pm - 5:59 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

39h 44m3 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl Chicago O'Hare Intl

$3,800Cathay Pacific

Sun, Nov 8 - Sun, Jan 3

8:42 am - 7:10 pmDCA Washington, D.C. Reagan-National-KIX Osaka Kansai Intl

20h 28m1 stop Los Angeles

6:00 pm - 11:57 pmKIX Osaka Kansai Intl-DCA Washington, D.C. Reagan-National

19h 57m2 stops Los Angeles Dallas/Fort Worth

$3,809American Airlines

Sun, Nov 8 - Sun, Jan 3

12:00 pm - 12:10 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

34h 10m2 stops Cairo Shanghai Pu Dong

12:55 pm - 8:55 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

22h 00m1 stop Taipei City Taiwan Taoyuan Intl

$6,400Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

6:15 am - 4:45 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

20h 30m1 stop San Francisco

6:35 pm - 7:03 amKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

26h 28m1 stop San Francisco

$12,831ANA

Fri, Nov 6 - Sun, Nov 15

12:20 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-KIX Osaka Kansai Intl

20h 00m1 stop Tokyo Haneda

11:10 am - 3:40 pmKIX Osaka Kansai Intl-IAD Washington, D.C. Dulles Intl

18h 30m1 stop Tokyo Haneda

$12,877ANA

Fri, Nov 6 - Fri, Nov 13

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

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

Korean Air

Feb 7

DCA6:59 amWashington, D.C. Reagan-National

23h 46m

2 stops

KIX8:45 pmOsaka Kansai Intl

Feb 24

KIX2:15 amOsaka Kansai Intl

25h 57m

2 stops

DCA2:12 pmWashington, D.C. Reagan-National

$1,357

Korean Air

Jan 15

DCA6:59 amWashington, D.C. Reagan-National

23h 46m

2 stops

KIX8:45 pmOsaka Kansai Intl

Jan 28

KIX2:15 amOsaka Kansai Intl

25h 59m

2 stops

DCA2:14 pmWashington, D.C. Reagan-National

$1,407

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

Feb 9

IAD6:00 amWashington, D.C. Dulles Intl

34h 20m

2 stops

KIX6:20 amOsaka Kansai Intl

Feb 28

KIX7:05 pmOsaka Kansai Intl

42h 28m

2 stops

IAD11:33 pmWashington, D.C. Dulles Intl

$1,245

Cathay Pacific

Jan 17

IAD5:30 pmWashington, D.C. Dulles Intl

55h 40m

2 stops

KIX3:10 pmOsaka Kansai Intl

Jan 27

KIX9:25 amOsaka Kansai Intl

27h 30m

2 stops

IAD10:55 pmWashington, D.C. Dulles Intl

$1,255

Cathay Pacific

Mar 15

DCA11:17 amWashington, D.C. Reagan-National

38h 28m

3 stops

KIX2:45 pmOsaka Kansai Intl

Mar 22

KIX7:05 pmOsaka Kansai Intl

39h 54m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$1,268

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

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Mon 1/25

10:59 am-6:45 pm

2 stops41h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$625

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Wed 1/20

10:59 am-6:45 pm

2 stops41h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$642

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Tue 1/26

5:05 pm-6:45 pm

2 stops35h 40m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$646

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Fri 1/22

10:59 am-6:45 pm

2 stops41h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$661

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Thu 1/21

10:59 am-6:45 pm

2 stops41h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$661

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Sat 1/23

6:59 pm-6:45 pm

3 stops33h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$868

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Sat 1/23

6:59 pm-6:45 pm

2 stops33h 46m

Osaka Kansai Intl

Sat 2/6

8:45 pm-9:00 pm

2 stops38h 15m

$924

Washington, D.C.Osaka

DCA Washington, D.C. Reagan-National - KIX Osaka Kansai Intl

DCAKIX

Washington, D.C. Reagan-National

Tue 2/2

5:05 pm-6:45 pm

2 stops35h 40m

Osaka Kansai Intl

Tue 2/9

8:45 pm-4:00 pm

2 stops33h 15m

$931

Washington, D.C.Osaka

IAD Washington, D.C. Dulles Intl - KIX Osaka Kansai Intl

IADKIX

Washington, D.C. Dulles Intl

Fri 11/27

11:10 am-9:50 pm

1 stop20h 40m

Osaka Kansai Intl

Thu 12/10

7:05 am-3:40 pm

1 stop22h 35m

$1,380

Quickest round-trip

Washington, D.C.Osaka

IAD Washington, D.C. Dulles Intl - KIX Osaka Kansai Intl

IADKIX

Washington, D.C. Dulles Intl

Fri 1/1

12:20 pm-10:20 pm

1 stop20h 00m

Osaka Kansai Intl

Fri 1/22

7:05 am-9:10 am

1 stop16h 05m

$1,380

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

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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 1% 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

Best Price Found	$411
Fastest flight time	18h 35m
Direct flights	None

The best one-way flight to Osaka Kansai Intl Airport from Washington, D.C. in the past 72 hours is $411. The best round-trip flight deal from Washington, D.C. to Osaka Kansai Intl Airport found on momondo in the last 72 hours is $625.

The fastest flight from Washington, D.C. to Osaka Kansai Intl Airport takes 18h 35m

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.

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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 18h 35m.
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 November 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 1,339 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.

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Flights to Tokyo Narita Airportfrom $435

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Flights to Osaka Itami Airportfrom $669

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Cheap flights from Washington, D.C. to Osaka from $411

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 1/6. 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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Korean Air flights from Washington, D.C. to Osaka Kansai Intl Airport

Our best Korean Air 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

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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

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Direct flights

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

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

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