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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $658

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 8/11. 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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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
8:40 pm - 9:15 pm
DCA
-
KIX
35h 35m
2 stops
Multiple Airlines Logo
7:35 am - 10:34 pm
KIX
-
DCA
27h 59m
3 stops
$1,273Multiple Airlines
Tue, Sep 22 - Tue, Oct 6
Cathay Pacific Logo
12:30 pm - 6:40 am
DCA
-
KIX
29h 10m
2 stops
Cathay Pacific Logo
4:15 pm - 8:16 pm
KIX
-
DCA
41h 01m
3 stops
$1,312Cathay Pacific
Sat, Sep 26 - Sun, Oct 4
Cathay Pacific Logo
12:30 pm - 6:40 am
DCA
-
KIX
29h 10m
2 stops
Cathay Pacific Logo
4:15 pm - 8:16 pm
KIX
-
DCA
41h 01m
3 stops
$1,317Cathay Pacific
Sat, Sep 26 - Sun, Oct 4
Cathay Pacific Logo
12:30 pm - 12:55 pm
DCA
-
KIX
35h 25m
2 stops
Cathay Pacific Logo
9:05 am - 11:58 pm
KIX
-
DCA
27h 53m
2 stops
$1,326Cathay Pacific
Tue, Sep 22 - Thu, Oct 8
Air Canada Logo
9:40 am - 6:55 pm
DCA
-
ITM
20h 15m
2 stops
Air Canada Logo
2:00 pm - 3:40 pm
ITM
-
DCA
38h 40m
2 stops
$1,465Air Canada
Tue, Sep 1 - Thu, Sep 10
Air Canada Logo
9:40 am - 6:55 pm
DCA
-
ITM
20h 15m
2 stops
Air Canada Logo
2:00 pm - 10:20 am
ITM
-
DCA
33h 20m
2 stops
$1,510Air Canada
Sun, Sep 20 - Sun, Sep 27
ANA Logo
9:40 am - 6:55 pm
DCA
-
ITM
20h 15m
2 stops
ANA Logo
2:00 pm - 9:50 pm
ITM
-
DCA
20h 50m
2 stops
$1,559ANA
Sun, Sep 20 - Sat, Sep 26
Japan Airlines Logo
11:35 am - 8:25 pm
DCA
-
ITM
19h 50m
2 stops
Japan Airlines Logo
10:20 am - 4:29 pm
ITM
-
DCA
19h 09m
2 stops
$1,566Japan Airlines
Mon, Aug 3 - Thu, Aug 20
Japan Airlines Logo
11:34 am - 8:30 pm
DCA
-
ITM
19h 56m
2 stops
Japan Airlines Logo
2:35 pm - 10:15 pm
ITM
-
DCA
20h 40m
2 stops
$1,614Japan Airlines
Tue, Sep 1 - Sat, Sep 12
ANA Logo
9:40 am - 7:10 pm
DCA
-
ITM
19h 30m
2 stops
ANA Logo
4:00 pm - 7:57 pm
ITM
-
DCA
17h 57m
2 stops
$1,625ANA
Wed, Nov 18 - Wed, Dec 2

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

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Osaka flight tickets
Cathay Pacific
Sep 26
DCA12:30 pmWashington, D.C. Reagan-National
29h 10m
2 stops
KIX6:40 amOsaka Kansai Intl
Oct 4
KIX4:15 pmOsaka Kansai Intl
41h 01m
3 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,312
Cathay Pacific
Sep 26
DCA12:30 pmWashington, D.C. Reagan-National
29h 10m
2 stops
KIX6:40 amOsaka Kansai Intl
Oct 4
KIX4:15 pmOsaka Kansai Intl
41h 01m
3 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,317
Cathay Pacific
Sep 22
DCA12:30 pmWashington, D.C. Reagan-National
35h 25m
2 stops
KIX12:55 pmOsaka Kansai Intl
Oct 8
KIX9:05 amOsaka Kansai Intl
27h 53m
2 stops
DCA11:58 pmWashington, D.C. Reagan-National
$1,326

Air Canada flights from Washington, D.C. Reagan-National Airport to Osaka

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Osaka flight tickets
Air Canada
Sep 19
DCA4:20 pmWashington, D.C. Reagan-National
35h 05m
2 stops
KIX4:25 pmOsaka Kansai Intl
Oct 5
KIX6:00 pmOsaka Kansai Intl
29h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,448
Air Canada
Sep 22
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
1 stop
KIX4:25 pmOsaka Kansai Intl
Oct 8
KIX6:00 pmOsaka Kansai Intl
29h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,453
Air Canada
Oct 14
DCA8:40 pmWashington, D.C. Reagan-National
30h 45m
1 stop
KIX4:25 pmOsaka Kansai Intl
Oct 21
KIX6:00 pmOsaka Kansai Intl
27h 55m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
$1,458

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Osaka 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 May 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

8:40 pm-9:15 pm

2 stops35h 35m

Osaka Kansai Intl

Tue 10/6

7:35 am-10:34 pm

3 stops27h 59m

$1,273

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 9/26

12:30 pm-6:40 am

2 stops29h 10m

Osaka Kansai Intl

Sun 10/4

4:15 pm-8:16 pm

3 stops41h 01m

$1,312

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Sat 9/26

12:30 pm-6:40 am

2 stops29h 10m

Osaka Kansai Intl

Sun 10/4

4:15 pm-8:16 pm

3 stops41h 01m

$1,317

Washington, D.C.Osaka

DCA - KIX

DCAKIX

Washington, D.C. Reagan-National

Tue 9/22

12:30 pm-12:55 pm

2 stops35h 25m

Osaka Kansai Intl

Thu 10/8

9:05 am-11:58 pm

2 stops27h 53m

$1,326

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/1

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Thu 9/10

2:00 pm-3:40 pm

2 stops38h 40m

$1,465

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 9/20

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Sun 9/27

2:00 pm-10:20 am

2 stops33h 20m

$1,510

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 9/20

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Sat 9/26

2:00 pm-9:50 pm

2 stops20h 50m

$1,559

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 8/3

11:35 am-8:25 pm

2 stops19h 50m

Osaka Itami

Thu 8/20

10:20 am-4:29 pm

2 stops19h 09m

$1,566

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/1

11:34 am-8:30 pm

2 stops19h 56m

Osaka Itami

Sat 9/12

2:35 pm-10:15 pm

2 stops20h 40m

$1,614
Quickest round-trip

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 11/18

9:40 am-7:10 pm

2 stops19h 30m

Osaka Itami

Wed 12/2

4:00 pm-7:57 pm

2 stops17h 57m

$1,625

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

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 flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Osaka flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Osaka 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 (DCA to OSA) 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

Fastest flight time

20h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka takes 20h 15m
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Osaka.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Osaka

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

    Washington, D.C. Reagan-National and Osaka are 6942.5 mi apart from one another. A reasonable flight in good conditions will take 20h 15m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Osaka refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Osaka.

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

    The travel and health documents required for your trip to Osaka can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Osaka?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to Osaka from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Osaka from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Osaka from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka
Osaka Itami Airport
Osaka Kansai Intl Airport