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Cheap flights from Osaka to Washington, D.C. from $472

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 am - 8:53 am
KIX
-
DCA
38h 08m
3 stops
Multiple Airlines Logo
11:00 am - 10:40 pm
DCA
-
KIX
46h 40m
3 stops
$1,278Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
12:00 pm - 10:28 pm
KIX
-
DCA
23h 28m
2 stops
Multiple Airlines Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,288Multiple Airlines
Wed, May 20 - Wed, May 27
Air Canada Logo
6:00 pm - 12:01 pm
KIX
-
DCA
31h 01m
2 stops
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,296Air Canada
Mon, May 18 - Mon, May 25
Multiple Airlines Logo
11:10 am - 8:06 pm
KIX
-
DCA
45h 56m
2 stops
Multiple Airlines Logo
9:59 am - 10:10 am
DCA
-
KIX
35h 11m
2 stops
$1,299Multiple Airlines
Tue, Jun 2 - Sun, Jun 7
Air Canada Logo
6:00 pm - 12:01 pm
KIX
-
DCA
31h 01m
2 stops
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,302Air Canada
Mon, May 18 - Mon, May 25
Japan Airlines Logo
7:05 am - 4:30 pm
ITM
-
DCA
22h 25m
2 stops
Japan Airlines Logo
6:00 am - 7:05 pm
DCA
-
ITM
24h 05m
2 stops
$1,604Japan Airlines
Tue, Jun 2 - Sun, Jun 7
American Airlines Logo
7:25 am - 4:22 pm
ITM
-
DCA
21h 57m
2 stops
American Airlines Logo
7:44 am - 5:35 pm
DCA
-
ITM
20h 51m
2 stops
$1,648American Airlines
Mon, Aug 31 - Wed, Sep 23
Japan Airlines Logo
8:25 am - 4:22 pm
ITM
-
DCA
20h 57m
2 stops
Japan Airlines Logo
6:30 am - 7:50 pm
DCA
-
ITM
24h 20m
2 stops
$1,656Japan Airlines
Wed, Sep 2 - Wed, Sep 23
American Airlines Logo
1:25 pm - 9:30 pm
ITM
-
DCA
21h 05m
2 stops
American Airlines Logo
7:30 am - 5:35 pm
DCA
-
ITM
21h 05m
2 stops
$1,736American Airlines
Tue, Sep 1 - Thu, Sep 24
United Airlines Logo
12:50 pm - 8:10 pm
ITM
-
DCA
20h 20m
2 stops
United Airlines Logo
12:40 pm - 5:05 pm
DCA
-
ITM
39h 25m
3 stops
$1,757United Airlines
Thu, Sep 3 - Sun, Sep 6

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
May 18
KIX6:00 pmOsaka Kansai Intl
31h 01m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
May 25
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,296
Air Canada
May 18
KIX6:00 pmOsaka Kansai Intl
31h 01m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
May 25
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,302
Air Canada
May 14
KIX6:00 pmOsaka Kansai Intl
29h 19m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
May 27
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,303

Japan Airlines flights from Osaka to Washington, D.C. Reagan-National Airport

Our best Japan Airlines deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
Japan Airlines
Jun 2
ITM7:05 amOsaka Itami
22h 25m
2 stops
DCA4:30 pmWashington, D.C. Reagan-National
Jun 7
DCA6:00 amWashington, D.C. Reagan-National
24h 05m
2 stops
ITM7:05 pmOsaka Itami
$1,604
Japan Airlines
Sep 2
ITM8:25 amOsaka Itami
20h 57m
2 stops
DCA4:22 pmWashington, D.C. Reagan-National
Sep 23
DCA6:30 amWashington, D.C. Reagan-National
24h 20m
2 stops
ITM7:50 pmOsaka Itami
$1,656
Japan Airlines
Jun 15
ITM4:50 pmOsaka Itami
19h 24m
2 stops
DCA11:14 pmWashington, D.C. Reagan-National
Jun 22
DCA6:00 amWashington, D.C. Reagan-National
24h 50m
2 stops
ITM7:50 pmOsaka Itami
$1,768

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 April 5, 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

Tue 5/19

7:45 am-8:53 am

3 stops38h 08m

Washington, D.C. Reagan-National

Tue 5/26

11:00 am-10:40 pm

3 stops46h 40m

$1,278

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/20

12:00 pm-10:28 pm

2 stops23h 28m

Washington, D.C. Reagan-National

Wed 5/27

6:59 am-4:25 pm

2 stops20h 26m

$1,288

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 5/18

6:00 pm-12:01 pm

2 stops31h 01m

Washington, D.C. Reagan-National

Mon 5/25

6:59 am-4:25 pm

2 stops20h 26m

$1,296

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 6/2

11:10 am-8:06 pm

2 stops45h 56m

Washington, D.C. Reagan-National

Sun 6/7

9:59 am-10:10 am

2 stops35h 11m

$1,299

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 5/18

6:00 pm-12:01 pm

2 stops31h 01m

Washington, D.C. Reagan-National

Mon 5/25

6:59 am-4:25 pm

2 stops20h 26m

$1,302

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 6/2

7:05 am-4:30 pm

2 stops22h 25m

Washington, D.C. Reagan-National

Sun 6/7

6:00 am-7:05 pm

2 stops24h 05m

$1,604

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Mon 8/31

7:25 am-4:22 pm

2 stops21h 57m

Washington, D.C. Reagan-National

Wed 9/23

7:44 am-5:35 pm

2 stops20h 51m

$1,648

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Wed 9/2

8:25 am-4:22 pm

2 stops20h 57m

Washington, D.C. Reagan-National

Wed 9/23

6:30 am-7:50 pm

2 stops24h 20m

$1,656
Quickest round-trip

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 9/1

1:25 pm-9:30 pm

2 stops21h 05m

Washington, D.C. Reagan-National

Thu 9/24

7:30 am-5:35 pm

2 stops21h 05m

$1,736

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 9/3

12:50 pm-8:10 pm

2 stops20h 20m

Washington, D.C. Reagan-National

Sun 9/6

12:40 pm-5:05 pm

3 stops39h 25m

$1,757

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 18% 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

20h 27m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Reagan-National Airport takes 20h 27m
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 20h 27m, 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
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

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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