Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $635

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. Reagan-National Airport to Osaka departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 12:10 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
37h 40m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
6:30 pm - 8:00 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
38h 30m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles
$1,277Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
6:57 pm - 10:10 amDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
50h 13m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 5:57 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
41h 47m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,290Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
6:57 pm - 10:10 amDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
26h 13m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
6:30 pm - 5:57 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
36h 27m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,301Multiple Airlines
Wed, Oct 7 - Wed, Oct 21
Multiple Airlines Logo
6:57 pm - 12:10 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
28h 13m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 5:57 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
41h 47m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,301Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
6:59 pm - 10:10 amDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
26h 11m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:10 am - 8:00 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
45h 50m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles
$1,301Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
Multiple Airlines Logo
6:57 pm - 12:10 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
28h 13m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 5:57 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
41h 47m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,301Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
6:59 pm - 10:10 amDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
26h 11m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
6:10 pm - 5:56 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
37h 46m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,301Multiple Airlines
Tue, Sep 1 - Wed, Dec 23
Multiple Airlines Logo
6:57 pm - 12:10 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
28h 13m2 stops San Francisco Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 5:57 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
41h 47m2 stops Taipei City Taiwan Taoyuan Intl San Francisco
$1,301Multiple Airlines
Mon, Oct 12 - Tue, Oct 20
ANA Logo
5:45 pm - 2:50 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
32h 05m1 stop San Francisco
ANA Logo
4:55 pm - 10:30 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
18h 35m1 stop San Francisco
$1,491ANA
Tue, Sep 15 - Tue, Sep 29
ANA Logo
6:59 am - 4:25 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
20h 26m1 stop Toronto Pearson Intl
ANA Logo
3:45 pm - 7:58 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
18h 13m2 stops Tokyo Haneda Toronto Pearson Intl
$1,631ANA
Thu, Oct 22 - Wed, Nov 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Sep 8
DCA6:58 pmWashington, D.C. Reagan-National
46h 42m
2 stops
KIX6:40 amOsaka Kansai Intl
Sep 23
KIX9:05 amOsaka Kansai Intl
27h 54m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,397
Cathay Pacific
Oct 19
DCA1:06 pmWashington, D.C. Reagan-National
28h 34m
2 stops
KIX6:40 amOsaka Kansai Intl
Nov 8
KIX7:05 pmOsaka Kansai Intl
38h 54m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
$1,402
Cathay Pacific
Sep 22
DCA11:31 amWashington, D.C. Reagan-National
41h 34m
2 stops
KIX6:05 pmOsaka Kansai Intl
Oct 8
KIX9:05 amOsaka Kansai Intl
27h 54m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,403

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
United Airlines
Oct 12
DCA6:30 amWashington, D.C. Reagan-National
24h 20m
2 stops
KIX7:50 pmOsaka Kansai Intl
Oct 22
KIX4:55 pmOsaka Kansai Intl
18h 58m
1 stop
DCA10:53 pmWashington, D.C. Reagan-National
$1,438
United Airlines
Oct 12
DCA8:30 amWashington, D.C. Reagan-National
22h 20m
2 stops
KIX7:50 pmOsaka Kansai Intl
Oct 20
KIX4:55 pmOsaka Kansai Intl
18h 58m
1 stop
DCA10:53 pmWashington, D.C. Reagan-National
$1,439
United Airlines
Aug 16
DCA5:45 pmWashington, D.C. Reagan-National
32h 05m
1 stop
KIX2:50 pmOsaka Kansai Intl
Aug 25
KIX4:55 pmOsaka Kansai Intl
18h 35m
1 stop
DCA10:30 pmWashington, D.C. Reagan-National
$1,440

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

Wed 9/2

9:30 am-12:10 pm

2 stops37h 40m

Osaka Kansai Intl

Wed 9/9

6:30 pm-8:00 pm

2 stops38h 30m

$1,277

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 10/14

6:57 pm-10:10 am

2 stops50h 13m

Osaka Kansai Intl

Wed 10/21

1:10 pm-5:57 pm

2 stops41h 47m

$1,290

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 10/7

6:57 pm-10:10 am

2 stops26h 13m

Osaka Kansai Intl

Wed 10/21

6:30 pm-5:57 pm

2 stops36h 27m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 10/14

6:57 pm-12:10 pm

2 stops28h 13m

Osaka Kansai Intl

Wed 10/21

1:10 pm-5:57 pm

2 stops41h 47m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Sat 9/26

6:59 pm-10:10 am

2 stops26h 11m

Osaka Kansai Intl

Sun 10/4

11:10 am-8:00 pm

2 stops45h 50m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Tue 10/13

6:57 pm-12:10 pm

2 stops28h 13m

Osaka Kansai Intl

Wed 10/21

1:10 pm-5:57 pm

2 stops41h 47m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Tue 9/1

6:59 pm-10:10 am

2 stops26h 11m

Osaka Kansai Intl

Wed 12/23

6:10 pm-5:56 pm

2 stops37h 46m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Mon 10/12

6:57 pm-12:10 pm

2 stops28h 13m

Osaka Kansai Intl

Tue 10/20

1:10 pm-5:57 pm

2 stops41h 47m

$1,301

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Tue 9/15

5:45 pm-2:50 pm

1 stop32h 05m

Osaka Kansai Intl

Tue 9/29

4:55 pm-10:30 pm

1 stop18h 35m

$1,491
Quickest round-trip

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Thu 10/22

6:59 am-4:25 pm

1 stop20h 26m

Osaka Kansai Intl

Wed 11/4

3:45 pm-7:58 pm

2 stops18h 13m

$1,631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Osaka from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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

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

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight.

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

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

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

Fastest flight time

20h 55m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport takes 20h 55m
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport.
Search flight deals

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

  • How far is Washington, D.C. Reagan-National to Osaka Kansai Intl by plane?

    Washington, D.C. Reagan-National and Osaka Kansai Intl are 6964.0 mi apart from one another. By plane, this route typically takes 20h 55m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport.

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

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Izumisano
Himeji
Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Osaka?

It is quick and easy to find Washington, D.C. to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

Can I find flights from Washington, D.C. to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Osaka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Washington, D.C. and alert you when they 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/5
Sat 9/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Osaka

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo
Flights to Tokyo Haneda Airportfrom $645
Flights to Tokyo Narita Airportfrom $435
Flights to Osaka Itami Airportfrom $639
Flights to Nagoya Chubu Centrair Intl Airportfrom $709