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Cheap flights from Osaka to Washington, D.C. from $440

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka to Washington, D.C. departing on 9/10. 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 Osaka to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
59h 05m
2 stops
$1,329Air Canada
Mon, Sep 14 - Wed, Sep 16
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
59h 05m
2 stops
$1,330Air Canada
Mon, Sep 14 - Wed, Sep 16
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
1 stop
$1,334Air Canada
Mon, Sep 14 - Wed, Sep 16
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
1 stop
$1,335Air Canada
Mon, Sep 14 - Wed, Sep 16
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
59h 05m
2 stops
$1,336Air Canada
Mon, Sep 14 - Wed, Sep 16
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
1 stop
$1,341Air Canada
Mon, Sep 14 - Wed, Sep 16
United Airlines Logo
4:55 pm - 10:30 pm
KIX
-
DCA
18h 35m
1 stop
United Airlines Logo
5:45 pm - 2:50 pm
DCA
-
KIX
32h 05m
1 stop
$1,359United Airlines
Mon, Sep 14 - Wed, Sep 16
United Airlines Logo
4:55 pm - 10:30 pm
KIX
-
DCA
18h 35m
1 stop
United Airlines Logo
5:45 pm - 2:50 pm
DCA
-
KIX
32h 05m
1 stop
$1,360United Airlines
Mon, Sep 14 - Wed, Sep 16
United Airlines Logo
4:55 pm - 10:30 pm
KIX
-
DCA
18h 35m
1 stop
United Airlines Logo
12:57 pm - 2:50 pm
DCA
-
KIX
36h 53m
2 stops
$1,363United Airlines
Mon, Sep 14 - Wed, Sep 16
Multiple Airlines Logo
12:50 pm - 10:31 pm
ITM
-
DCA
22h 41m
2 stops
Multiple Airlines Logo
11:00 am - 6:55 pm
DCA
-
ITM
18h 55m
2 stops
$2,186Multiple Airlines
Tue, Aug 4 - Thu, Aug 13

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

Our best Air Canada deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Sep 14
KIX9:20 amOsaka Kansai Intl
26h 14m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
Sep 16
DCA4:20 pmWashington, D.C. Reagan-National
59h 05m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,329
Air Canada
Sep 14
KIX9:20 amOsaka Kansai Intl
26h 14m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
Sep 16
DCA4:20 pmWashington, D.C. Reagan-National
59h 05m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,330
Air Canada
Sep 14
KIX9:20 amOsaka Kansai Intl
26h 14m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
Sep 16
DCA8:40 pmWashington, D.C. Reagan-National
30h 45m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,334

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

Our best Cathay Pacific deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
Cathay Pacific
Jul 16
KIX4:15 pmOsaka Kansai Intl
44h 16m
3 stops
DCA11:31 pmWashington, D.C. Reagan-National
Aug 21
DCA9:07 amWashington, D.C. Reagan-National
32h 33m
2 stops
KIX6:40 amOsaka Kansai Intl
$1,930
Cathay Pacific
Sep 9
KIX4:15 pmOsaka Kansai Intl
40h 51m
3 stops
DCA8:06 pmWashington, D.C. Reagan-National
Sep 30
DCA6:58 pmWashington, D.C. Reagan-National
30h 52m
3 stops
KIX2:50 pmOsaka Kansai Intl
$1,964
Cathay Pacific
Jul 16
KIX4:15 pmOsaka Kansai Intl
44h 16m
3 stops
DCA11:31 pmWashington, D.C. Reagan-National
Aug 22
DCA6:58 pmWashington, D.C. Reagan-National
30h 52m
3 stops
KIX2:50 pmOsaka Kansai Intl
$2,070

momondo Fare Finder

 
Customize your flight search to find flights from Osaka to Washington, D.C. Reagan-National 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 July 12, 2026.
Use the filters below to find and compare flights from Osaka to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

4:20 pm-4:25 pm

2 stops59h 05m

$1,329

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

4:20 pm-4:25 pm

2 stops59h 05m

$1,330

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

8:40 pm-4:25 pm

1 stop30h 45m

$1,334

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

8:40 pm-4:25 pm

1 stop30h 45m

$1,335

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

4:20 pm-4:25 pm

2 stops59h 05m

$1,336

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

8:40 pm-4:25 pm

1 stop30h 45m

$1,341

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

4:55 pm-10:30 pm

1 stop18h 35m

Washington, D.C. Reagan-National

Wed 9/16

5:45 pm-2:50 pm

1 stop32h 05m

$1,359

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

4:55 pm-10:30 pm

1 stop18h 35m

Washington, D.C. Reagan-National

Wed 9/16

5:45 pm-2:50 pm

1 stop32h 05m

$1,360

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

4:55 pm-10:30 pm

1 stop18h 35m

Washington, D.C. Reagan-National

Wed 9/16

12:57 pm-2:50 pm

2 stops36h 53m

$1,363
Quickest round-trip

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 8/4

12:50 pm-10:31 pm

2 stops22h 41m

Washington, D.C. Reagan-National

Thu 8/13

11:00 am-6:55 pm

2 stops18h 55m

$2,186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

You could potentially save up to 74% on your flight if you consider stops on a Osaka to Washington, D.C. Reagan-National Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Osaka to Washington, D.C. Reagan-National Airport (OSA to DCA) flight deals and tips

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

Fastest flight time

18h 35m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Reagan-National Airport takes 18h 35m
There are no direct flights from Osaka to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Osaka to Washington, D.C. Reagan-National Airport.
Search flight deals

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

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

    Osaka and Washington, D.C. Reagan-National are 6942.5 mi apart from one another. Flights usually cover this in 18h 35m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Tysons
Springfield
Fairfax
Bethesda
Edgewood

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Osaka to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Osaka to Washington, D.C. 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 Osaka to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Osaka to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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