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Cheap flights from Osaka to Washington, D.C. from $683

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 8/20. 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.
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
6:55 pm - 4:25 pm
DCA
-
KIX
32h 30m
2 stops
$1,580Air Canada
Mon, Jul 13 - Tue, Jul 28
Multiple Airlines Logo
9:55 am - 8:52 am
KIX
-
DCA
35h 57m
3 stops
Multiple Airlines Logo
4:20 pm - 1:30 pm
DCA
-
KIX
32h 10m
3 stops
$1,581Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
6:55 pm - 4:25 pm
DCA
-
KIX
32h 30m
2 stops
$1,583Air Canada
Tue, Jul 7 - Tue, Jul 14
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
6:55 pm - 4:25 pm
DCA
-
KIX
32h 30m
2 stops
$1,587Air Canada
Mon, Jun 29 - Sun, Jul 12
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
6:00 am - 4:25 pm
DCA
-
KIX
21h 25m
2 stops
$1,599Air Canada
Thu, Jul 9 - Thu, Jul 16
Air Canada Logo
6:00 pm - 10:31 pm
KIX
-
DCA
17h 31m
1 stop
Air Canada Logo
11:00 am - 4:25 pm
DCA
-
KIX
16h 25m
1 stop
$1,603Air Canada
Fri, Jul 10 - Tue, Jul 14
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
11:00 am - 4:25 pm
DCA
-
KIX
16h 25m
1 stop
$1,605Air Canada
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
3:00 pm - 10:31 pm
ITM
-
DCA
20h 31m
2 stops
Multiple Airlines Logo
11:00 am - 6:55 pm
DCA
-
ITM
18h 55m
2 stops
$1,759Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
ANA Logo
2:00 pm - 8:10 pm
ITM
-
DCA
19h 10m
2 stops
ANA Logo
9:30 am - 6:55 pm
DCA
-
ITM
20h 25m
2 stops
$2,159ANA
Fri, Jul 10 - Tue, Jul 14
Japan Airlines Logo
9:25 am - 4:30 pm
ITM
-
DCA
20h 05m
2 stops
Japan Airlines Logo
8:31 am - 5:35 pm
DCA
-
ITM
20h 04m
2 stops
$2,176Japan Airlines
Mon, Jun 29 - Sun, Jul 12

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
Jul 13
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
Jul 28
DCA6:55 pmWashington, D.C. Reagan-National
32h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,580
Air Canada
Jul 7
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
Jul 14
DCA6:55 pmWashington, D.C. Reagan-National
32h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,583
Air Canada
Jun 29
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
Jul 12
DCA6:55 pmWashington, D.C. Reagan-National
32h 30m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,587

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

Our best ANA deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
ANA
Jul 10
ITM2:00 pmOsaka Itami
19h 10m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
Jul 14
DCA9:30 amWashington, D.C. Reagan-National
20h 25m
2 stops
ITM6:55 pmOsaka Itami
$2,141
ANA
Jul 10
ITM2:00 pmOsaka Itami
19h 10m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
Jul 14
DCA9:30 amWashington, D.C. Reagan-National
20h 25m
2 stops
ITM6:55 pmOsaka Itami
$2,159

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 May 28, 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 7/13

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Tue 7/28

6:55 pm-4:25 pm

2 stops32h 30m

$1,580

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 7/7

9:55 am-8:52 am

3 stops35h 57m

Washington, D.C. Reagan-National

Tue 7/14

4:20 pm-1:30 pm

3 stops32h 10m

$1,581

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 7/7

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Tue 7/14

6:55 pm-4:25 pm

2 stops32h 30m

$1,583

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 6/29

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Sun 7/12

6:55 pm-4:25 pm

2 stops32h 30m

$1,587

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 7/9

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Thu 7/16

6:00 am-4:25 pm

2 stops21h 25m

$1,599
Quickest round-trip

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 7/10

6:00 pm-10:31 pm

1 stop17h 31m

Washington, D.C. Reagan-National

Tue 7/14

11:00 am-4:25 pm

1 stop16h 25m

$1,603

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 7/7

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Tue 7/14

11:00 am-4:25 pm

1 stop16h 25m

$1,605

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Tue 7/7

3:00 pm-10:31 pm

2 stops20h 31m

Washington, D.C. Reagan-National

Tue 7/14

11:00 am-6:55 pm

2 stops18h 55m

$1,759

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Fri 7/10

2:00 pm-8:10 pm

2 stops19h 10m

Washington, D.C. Reagan-National

Tue 7/14

9:30 am-6:55 pm

2 stops20h 25m

$2,159

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Mon 6/29

9:25 am-4:30 pm

2 stops20h 05m

Washington, D.C. Reagan-National

Sun 7/12

8:31 am-5:35 pm

2 stops20h 04m

$2,176

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 53% 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 31m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Reagan-National Airport takes 20h 31m
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 31m, 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
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Rockville
Towson
Manassas
Linthicum Heights
Tysons
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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