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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 4/30. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:55 pm - 8:05 pm
KIX
-
DCA
45h 10m
2 stops
Multiple Airlines Logo
6:59 pm - 11:55 am
DCA
-
KIX
27h 56m
2 stops
$1,199Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
10:55 am - 8:05 pm
KIX
-
DCA
47h 10m
2 stops
Multiple Airlines Logo
6:59 pm - 11:55 am
DCA
-
KIX
27h 56m
2 stops
$1,236Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
6:10 pm - 8:05 pm
KIX
-
DCA
39h 55m
2 stops
Multiple Airlines Logo
5:00 pm - 9:55 am
DCA
-
KIX
27h 55m
2 stops
$1,298Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
9:30 pm - 7:58 pm
KIX
-
DCA
35h 28m
3 stops
Multiple Airlines Logo
12:45 pm - 4:25 pm
DCA
-
KIX
38h 40m
2 stops
$1,308Multiple Airlines
Sun, May 3 - Sun, May 10
Air Canada Logo
6:00 pm - 6:12 pm
KIX
-
DCA
37h 12m
1 stop
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,314Air Canada
Wed, Jul 1 - Wed, Jul 15
Multiple Airlines Logo
7:45 am - 12:00 pm
KIX
-
DCA
41h 15m
3 stops
Multiple Airlines Logo
6:00 am - 9:00 pm
DCA
-
KIX
26h 00m
3 stops
$1,316Multiple Airlines
Sat, Jun 20 - Thu, Jun 25
Air Canada Logo
6:00 pm - 12:00 pm
KIX
-
DCA
31h 00m
2 stops
Air Canada Logo
11:00 am - 4:25 pm
DCA
-
KIX
16h 25m
1 stop
$1,372Air Canada
Sat, Jun 20 - Thu, Jun 25
United Airlines Logo
12:50 pm - 9:53 pm
ITM
-
DCA
22h 03m
2 stops
United Airlines Logo
6:00 am - 5:05 pm
DCA
-
ITM
22h 05m
2 stops
$1,714United Airlines
Wed, Jul 1 - Wed, Jul 15
Japan Airlines Logo
2:35 pm - 6:55 pm
ITM
-
DCA
18h 20m
2 stops
Japan Airlines Logo
9:35 am - 7:50 pm
DCA
-
ITM
21h 15m
2 stops
$1,722Japan Airlines
Wed, Mar 4 - Tue, Mar 10
Japan Airlines Logo
9:25 am - 6:00 pm
ITM
-
DCA
21h 35m
2 stops
Japan Airlines Logo
7:39 am - 7:45 pm
DCA
-
ITM
23h 06m
2 stops
$1,821Japan Airlines
Sat, Jun 20 - Thu, Jun 25

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 1
KIX6:00 pmOsaka Kansai Intl
37h 12m
1 stop
DCA6:12 pmWashington, D.C. Reagan-National
Jul 15
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,314
Air Canada
Jun 20
KIX6:00 pmOsaka Kansai Intl
31h 00m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
Jun 25
DCA11:00 amWashington, D.C. Reagan-National
16h 25m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,372
Air Canada
Jun 20
KIX6:00 pmOsaka Kansai Intl
29h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
Jun 25
DCA6:00 amWashington, D.C. Reagan-National
21h 25m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,412

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

Our best KLM deals on Osaka to Washington, D.C. Reagan-National Airport flight tickets
KLM
Mar 31
KIX11:55 amOsaka Kansai Intl
41h 40m
2 stops
DCA4:35 pmWashington, D.C. Reagan-National
Apr 14
DCA7:35 pmWashington, D.C. Reagan-National
25h 40m
2 stops
KIX10:15 amOsaka Kansai Intl
$1,485
KLM
Mar 3
KIX1:00 pmOsaka Kansai Intl
41h 27m
2 stops
DCA4:27 pmWashington, D.C. Reagan-National
Mar 10
DCA8:45 pmWashington, D.C. Reagan-National
25h 35m
2 stops
KIX11:20 amOsaka Kansai Intl
$1,720

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 February 17, 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

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 3/4

12:55 pm-8:05 pm

2 stops45h 10m

Washington, D.C. Reagan-National

Mon 3/9

6:59 pm-11:55 am

2 stops27h 56m

$1,199

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 3/5

10:55 am-8:05 pm

2 stops47h 10m

Washington, D.C. Reagan-National

Mon 3/9

6:59 pm-11:55 am

2 stops27h 56m

$1,236

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 3/4

6:10 pm-8:05 pm

2 stops39h 55m

Washington, D.C. Reagan-National

Tue 3/10

5:00 pm-9:55 am

2 stops27h 55m

$1,298

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sun 5/3

9:30 pm-7:58 pm

3 stops35h 28m

Washington, D.C. Reagan-National

Sun 5/10

12:45 pm-4:25 pm

2 stops38h 40m

$1,308

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 7/1

6:00 pm-6:12 pm

1 stop37h 12m

Washington, D.C. Reagan-National

Wed 7/15

6:59 am-4:25 pm

2 stops20h 26m

$1,314

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 6/20

7:45 am-12:00 pm

3 stops41h 15m

Washington, D.C. Reagan-National

Thu 6/25

6:00 am-9:00 pm

3 stops26h 00m

$1,316

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Sat 6/20

6:00 pm-12:00 pm

2 stops31h 00m

Washington, D.C. Reagan-National

Thu 6/25

11:00 am-4:25 pm

1 stop16h 25m

$1,372

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Wed 7/1

12:50 pm-9:53 pm

2 stops22h 03m

Washington, D.C. Reagan-National

Wed 7/15

6:00 am-5:05 pm

2 stops22h 05m

$1,714

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Wed 3/4

2:35 pm-6:55 pm

2 stops18h 20m

Washington, D.C. Reagan-National

Tue 3/10

9:35 am-7:50 pm

2 stops21h 15m

$1,722

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Sat 6/20

9:25 am-6:00 pm

2 stops21h 35m

Washington, D.C. Reagan-National

Thu 6/25

7:39 am-7:45 pm

2 stops23h 06m

$1,821

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

18h 20m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. Reagan-National Airport takes 18h 20m
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

  • 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 20m, 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
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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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