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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $725

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 9/26. 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.
Delta Logo
9:32 am - 8:45 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
22h 13m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
12:35 pm - 8:39 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
21h 04m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,117Delta
Mon, Oct 12 - Thu, Oct 22
Delta Logo
6:05 am - 10:40 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
27h 35m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
12:35 pm - 9:43 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
22h 08m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,117Delta
Wed, Sep 2 - Wed, Sep 9
American Airlines Logo
8:35 am - 6:50 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
20h 15m1 stop Los Angeles Los Angeles
American Airlines Logo
5:50 pm - 11:00 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
19h 10m2 stops Los Angeles Los Angeles Dallas/Fort Worth
$1,212American Airlines
Sat, Jan 23 - Sun, Jan 31
Multiple Airlines Logo
11:35 am - 12:55 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
36h 20m2 stops Chicago O'Hare Intl Hong Kong Intl
Multiple Airlines Logo
9:45 am - 11:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
27h 14m2 stops Hong Kong Intl Dallas/Fort Worth
$1,221Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Delta Logo
6:59 pm - 10:40 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
38h 41m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
2:15 am - 9:43 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
32h 28m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,225Delta
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
11:35 am - 2:50 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
38h 15m3 stops Chicago O'Hare Intl Hong Kong Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
9:45 am - 11:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
27h 14m2 stops Hong Kong Intl Dallas/Fort Worth
$1,236Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
11:35 am - 2:50 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
38h 15m3 stops Chicago O'Hare Intl Hong Kong Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
9:45 am - 11:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
27h 14m2 stops Hong Kong Intl Dallas/Fort Worth
$1,237Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Cathay Pacific Logo
11:31 am - 6:05 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
41h 34m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
9:05 am - 11:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
27h 54m2 stops Hong Kong Intl Dallas/Fort Worth
$1,263Cathay Pacific
Thu, Sep 10 - Wed, Sep 16
Cathay Pacific Logo
11:31 am - 6:05 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
41h 34m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
9:05 am - 11:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
27h 54m2 stops Hong Kong Intl Dallas/Fort Worth
$1,265Cathay Pacific
Tue, Sep 22 - Thu, Oct 8
Cathay Pacific Logo
11:31 am - 3:10 pmDCA  Washington, D.C. Reagan-National-KIX Osaka Kansai Intl
38h 39m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
7:25 pm - 7:59 pmKIX  Osaka Kansai Intl-DCA Washington, D.C. Reagan-National
37h 34m2 stops Hong Kong Intl Chicago O'Hare Intl
$1,265Cathay Pacific
Thu, Oct 1 - Wed, Oct 14

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport flight tickets
Delta
Sep 2
DCA6:05 amWashington, D.C. Reagan-National
27h 35m
2 stops
KIX10:40 pmOsaka Kansai Intl
Sep 9
KIX12:35 pmOsaka Kansai Intl
22h 08m
2 stops
DCA9:43 pmWashington, D.C. Reagan-National
$1,117
Delta
Sep 26
DCA6:59 pmWashington, D.C. Reagan-National
38h 41m
2 stops
KIX10:40 pmOsaka Kansai Intl
Oct 3
KIX2:15 amOsaka Kansai Intl
32h 28m
2 stops
DCA9:43 pmWashington, D.C. Reagan-National
$1,225
Delta
Oct 12
DCA6:10 amWashington, D.C. Reagan-National
25h 35m
2 stops
KIX8:45 pmOsaka Kansai Intl
Oct 22
KIX12:35 pmOsaka Kansai Intl
23h 14m
2 stops
DCA10:49 pmWashington, D.C. Reagan-National
$1,329

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 10
DCA11:31 amWashington, D.C. Reagan-National
41h 34m
2 stops
KIX6:05 pmOsaka Kansai Intl
Sep 16
KIX9:05 amOsaka Kansai Intl
27h 54m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,263
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
$1,265
Cathay Pacific
Sep 15
DCA11:31 amWashington, D.C. Reagan-National
36h 24m
2 stops
KIX12:55 pmOsaka Kansai Intl
Sep 22
KIX9:05 amOsaka Kansai Intl
27h 54m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,266

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 15, 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

Mon 10/12

9:32 am-8:45 pm

2 stops22h 13m

Osaka Kansai Intl

Thu 10/22

12:35 pm-8:39 pm

2 stops21h 04m

$1,117

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

6:05 am-10:40 pm

2 stops27h 35m

Osaka Kansai Intl

Wed 9/9

12:35 pm-9:43 pm

2 stops22h 08m

$1,117
Quickest round-trip

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Sat 1/23

8:35 am-6:50 pm

1 stop20h 15m

Osaka Kansai Intl

Sun 1/31

5:50 pm-11:00 pm

2 stops19h 10m

$1,212

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

11:35 am-12:55 pm

2 stops36h 20m

Osaka Kansai Intl

Wed 9/9

9:45 am-11:59 pm

2 stops27h 14m

$1,221

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-10:40 pm

2 stops38h 41m

Osaka Kansai Intl

Sat 10/3

2:15 am-9:43 pm

2 stops32h 28m

$1,225

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

11:35 am-2:50 pm

3 stops38h 15m

Osaka Kansai Intl

Wed 9/9

9:45 am-11:59 pm

2 stops27h 14m

$1,236

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Wed 9/2

11:35 am-2:50 pm

3 stops38h 15m

Osaka Kansai Intl

Wed 9/9

9:45 am-11:59 pm

2 stops27h 14m

$1,237

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Thu 9/10

11:31 am-6:05 pm

2 stops41h 34m

Osaka Kansai Intl

Wed 9/16

9:05 am-11:59 pm

2 stops27h 54m

$1,263

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

11:31 am-6:05 pm

2 stops41h 34m

Osaka Kansai Intl

Thu 10/8

9:05 am-11:59 pm

2 stops27h 54m

$1,265

Washington, D.C.Osaka

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

DCAKIX

Washington, D.C. Reagan-National

Thu 10/1

11:31 am-3:10 pm

2 stops38h 39m

Osaka Kansai Intl

Wed 10/14

7:25 pm-7:59 pm

2 stops37h 34m

$1,265

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

22h 25m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Kansai Intl Airport takes 22h 25m
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.
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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 22h 25m.

  • 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

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

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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.

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