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Cheap flights from Osaka to Washington, D.C. from $500

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 9/29. 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

Air Canada Logo
6:05 pm - 10:34 pmKIX-DCA
17h 29m1 stop
Air Canada Logo
6:59 am - 4:25 pmDCA-KIX
20h 26m1 stop
$809Air Canada
Find Deal
Wed, Sep 17 - Sat, Sep 20
Air Canada Logo
6:05 pm - 10:34 pmKIX-DCA
17h 29m1 stop
Air Canada Logo
6:50 pm - 4:25 pmDCA-KIX
32h 35m1 stop
$827Air Canada
Find Deal
Fri, Oct 17 - Mon, Oct 20
Logo
7:40 am - 9:51 pmKIX-DCA
27h 11m2 stops
Logo
8:40 pm - 4:25 pmDCA-KIX
30h 45m1 stop
$880
Find Deal
Thu, Sep 11 - Mon, Sep 15
American Airlines Logo
1:30 pm - 10:26 amITM-DCA
33h 56m2 stops
American Airlines Logo
5:00 am - 7:10 pmDCA-ITM
25h 10m2 stops
$930American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
1:30 pm - 10:57 pmITM-DCA
22h 27m2 stops
American Airlines Logo
5:00 am - 8:30 pmDCA-ITM
26h 30m2 stops
$932American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Logo
7:40 am - 9:51 pmKIX-DCA
27h 11m2 stops
Logo
6:00 am - 9:00 amDCA-KIX
38h 00m2 stops
$943
Find Deal
Sun, Oct 5 - Sun, Oct 12
Japan Airlines Logo
7:25 am - 11:07 pmITM-DCA
28h 42m2 stops
Japan Airlines Logo
9:59 am - 7:45 pmDCA-ITM
20h 46m2 stops
$1,478Japan Airlines
Find Deal
Fri, Sep 19 - Mon, Sep 22
Japan Airlines Logo
7:00 am - 10:57 pmKIX-DCA
28h 57m2 stops
Japan Airlines Logo
5:00 pm - 6:50 pmDCA-KIX
35h 50m1 stop
$1,528Japan Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
6:35 pm - 11:59 pmKIX-DCA
19h 24m2 stops
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
$1,548United Airlines
Find Deal
Fri, Dec 19 - Mon, Jan 5
United Airlines Logo
6:35 pm - 11:59 pmKIX-DCA
19h 24m2 stops
United Airlines Logo
7:00 am - 4:40 pmDCA-KIX
19h 40m1 stop
$1,549United Airlines
Find Deal
Fri, Dec 19 - Mon, Jan 5

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

Our best American Airlines deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Oct 16
ITM1:30 pmOsaka Itami
33h 56m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Oct 20
DCA5:00 amWashington, D.C. Reagan-National
25h 10m
2 stops
ITM7:10 pmOsaka Itami
$930
Find similar
American Airlines
Oct 16
ITM1:30 pmOsaka Itami
22h 27m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Oct 20
DCA5:00 amWashington, D.C. Reagan-National
26h 30m
2 stops
ITM8:30 pmOsaka Itami
$932
Find similar
American Airlines
Aug 26
ITM1:25 pmOsaka Itami
20h 33m
2 stops
DCA8:58 pmWashington, D.C. Reagan-National
Sep 16
DCA9:20 amWashington, D.C. Reagan-National
20h 45m
2 stops
ITM7:05 pmOsaka Itami
$1,359
Find similar

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 17
KIX6:05 pmOsaka Kansai Intl
17h 29m
1 stop
DCA10:34 pmWashington, D.C. Reagan-National
Sep 20
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
1 stop
KIX4:25 pmOsaka Kansai Intl
$809
Find similar
Air Canada
Oct 17
KIX6:05 pmOsaka Kansai Intl
17h 29m
1 stop
DCA10:34 pmWashington, D.C. Reagan-National
Oct 20
DCA6:50 pmWashington, D.C. Reagan-National
32h 35m
1 stop
KIX4:25 pmOsaka Kansai Intl
$827
Find similar
Air Canada
Sep 17
KIX6:05 pmOsaka Kansai Intl
27h 54m
1 stop
DCA8:59 amWashington, D.C. Reagan-National
Sep 19
DCA8:40 pmWashington, D.C. Reagan-National
30h 45m
1 stop
KIX4:25 pmOsaka Kansai Intl
$843
Find similar

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 August 21, 2025.
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

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 9/17

6:05 pm-10:34 pm

1 stop17h 29m

Washington, D.C. Reagan-National

Sat 9/20

6:59 am-4:25 pm

1 stop20h 26m

$809

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 10/17

6:05 pm-10:34 pm

1 stop17h 29m

Washington, D.C. Reagan-National

Mon 10/20

6:50 pm-4:25 pm

1 stop32h 35m

$827

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 9/11

7:40 am-9:51 pm

2 stops27h 11m

Washington, D.C. Reagan-National

Mon 9/15

8:40 pm-4:25 pm

1 stop30h 45m

$880

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 10/16

1:30 pm-10:26 am

2 stops33h 56m

Washington, D.C. Reagan-National

Mon 10/20

5:00 am-7:10 pm

2 stops25h 10m

$930

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 10/16

1:30 pm-10:57 pm

2 stops22h 27m

Washington, D.C. Reagan-National

Mon 10/20

5:00 am-8:30 pm

2 stops26h 30m

$932

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 10/5

7:40 am-9:51 pm

2 stops27h 11m

Washington, D.C. Reagan-National

Sun 10/12

6:00 am-9:00 am

2 stops38h 00m

$943

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Fri 9/19

7:25 am-11:07 pm

2 stops28h 42m

Washington, D.C. Reagan-National

Mon 9/22

9:59 am-7:45 pm

2 stops20h 46m

$1,478

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 10/31

7:00 am-10:57 pm

2 stops28h 57m

Washington, D.C. Reagan-National

Tue 11/4

5:00 pm-6:50 pm

1 stop35h 50m

$1,528

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:59 pm

2 stops19h 24m

Washington, D.C. Reagan-National

Mon 1/5

7:00 am-4:40 pm

1 stop19h 40m

$1,548

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 12/19

6:35 pm-11:59 pm

2 stops19h 24m

Washington, D.C. Reagan-National

Mon 1/5

7:00 am-4:40 pm

1 stop19h 40m

$1,549

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

What is the cheapest airline that flies from Osaka to Washington, D.C. Reagan-National?

EVA Air, Air Canada, and China Airlines are the most popular carriers operating from Osaka to Washington, D.C. Reagan-National

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

Direct flights

None
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.
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  • 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 17h 08m, 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
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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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