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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $506

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 Kansai Intl Airport to Washington, D.C. departing on 3/10. 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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Find the cheapest flights from Osaka Kansai Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:35 pm - 10:43 pm
KIX
-
DCA
22h 08m
2 stops
Multiple Airlines Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,308Multiple Airlines
Mon, Mar 30 - Wed, Apr 15
Multiple Airlines Logo
7:45 am - 10:28 pm
KIX
-
DCA
27h 43m
3 stops
Multiple Airlines Logo
6:00 am - 9:00 pm
DCA
-
KIX
26h 00m
3 stops
$1,330Multiple Airlines
Wed, May 6 - Tue, May 19
Multiple Airlines Logo
7:45 am - 10:28 pm
KIX
-
DCA
27h 43m
3 stops
Multiple Airlines Logo
12:45 pm - 4:25 pm
DCA
-
KIX
38h 40m
2 stops
$1,359Multiple Airlines
Wed, May 6 - Tue, May 19
Air Canada Logo
6:00 pm - 8:53 am
KIX
-
DCA
27h 53m
2 stops
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,450Air Canada
Tue, May 5 - Sun, May 17
Air Canada Logo
9:20 am - 10:28 pm
KIX
-
DCA
26h 08m
2 stops
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,529Air Canada
Fri, May 8 - Sun, May 17
United Airlines Logo
4:55 pm - 10:30 pm
KIX
-
DCA
18h 35m
1 stop
United Airlines Logo
5:59 pm - 2:50 pm
DCA
-
KIX
31h 51m
1 stop
$1,531United Airlines
Mon, May 4 - Sat, May 16
Air Canada Logo
6:00 pm - 8:53 am
KIX
-
DCA
27h 53m
2 stops
Air Canada Logo
6:59 am - 7:50 pm
DCA
-
KIX
23h 51m
2 stops
$1,533Air Canada
Tue, May 5 - Thu, May 21
Japan Airlines Logo
2:50 pm - 10:29 pm
KIX
-
DCA
20h 39m
2 stops
Japan Airlines Logo
8:30 am - 6:45 pm
DCA
-
KIX
21h 15m
1 stop
$1,792Japan Airlines
Mon, Mar 30 - Wed, Apr 15
Delta Logo
12:35 pm - 10:31 pm
KIX
-
DCA
22h 56m
2 stops
Delta Logo
7:45 am - 9:00 pm
DCA
-
KIX
24h 15m
2 stops
$1,794Delta
Wed, May 6 - Tue, May 19
Cathay Pacific Logo
7:25 pm - 4:37 pm
KIX
-
DCA
34h 12m
2 stops
Cathay Pacific Logo
11:36 am - 2:50 pm
DCA
-
KIX
38h 14m
3 stops
$1,863Cathay Pacific
Mon, Mar 30 - Wed, Apr 15

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

Our best Cathay Pacific deals on Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Cathay Pacific
Mar 30
KIX7:25 pmOsaka Kansai Intl
34h 12m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
Apr 15
DCA11:36 amWashington, D.C. Reagan-National
38h 14m
3 stops
KIX2:50 pmOsaka Kansai Intl
$1,863
Cathay Pacific
Mar 30
KIX4:15 pmOsaka Kansai Intl
37h 22m
3 stops
DCA4:37 pmWashington, D.C. Reagan-National
Apr 15
DCA11:36 amWashington, D.C. Reagan-National
38h 14m
3 stops
KIX2:50 pmOsaka Kansai Intl
$1,931
Cathay Pacific
May 5
KIX7:25 pmOsaka Kansai Intl
34h 20m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
May 18
DCA6:00 amWashington, D.C. Reagan-National
26h 15m
2 stops
KIX9:15 pmOsaka Kansai Intl
$1,945

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

Our best Air Canada deals on Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
May 5
KIX6:00 pmOsaka Kansai Intl
27h 53m
2 stops
DCA8:53 amWashington, D.C. Reagan-National
May 17
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,450
Air Canada
May 8
KIX9:20 amOsaka Kansai Intl
26h 08m
2 stops
DCA10:28 pmWashington, D.C. Reagan-National
May 17
DCA6:59 amWashington, D.C. Reagan-National
20h 26m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,529
Air Canada
May 5
KIX6:00 pmOsaka Kansai Intl
27h 53m
2 stops
DCA8:53 amWashington, D.C. Reagan-National
May 21
DCA6:59 amWashington, D.C. Reagan-National
23h 51m
2 stops
KIX7:50 pmOsaka Kansai Intl
$1,533

momondo Fare Finder

 
Customize your flight search to find flights from Osaka Kansai Intl Airport 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 4, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport 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

Mon 3/30

1:35 pm-10:43 pm

2 stops22h 08m

Washington, D.C. Reagan-National

Wed 4/15

6:59 am-4:25 pm

2 stops20h 26m

$1,308

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

7:45 am-10:28 pm

3 stops27h 43m

Washington, D.C. Reagan-National

Tue 5/19

6:00 am-9:00 pm

3 stops26h 00m

$1,330

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

7:45 am-10:28 pm

3 stops27h 43m

Washington, D.C. Reagan-National

Tue 5/19

12:45 pm-4:25 pm

2 stops38h 40m

$1,359

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 5/5

6:00 pm-8:53 am

2 stops27h 53m

Washington, D.C. Reagan-National

Sun 5/17

6:59 am-4:25 pm

2 stops20h 26m

$1,450

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Fri 5/8

9:20 am-10:28 pm

2 stops26h 08m

Washington, D.C. Reagan-National

Sun 5/17

6:59 am-4:25 pm

2 stops20h 26m

$1,529

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 5/4

4:55 pm-10:30 pm

1 stop18h 35m

Washington, D.C. Reagan-National

Sat 5/16

5:59 pm-2:50 pm

1 stop31h 51m

$1,531

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 5/5

6:00 pm-8:53 am

2 stops27h 53m

Washington, D.C. Reagan-National

Thu 5/21

6:59 am-7:50 pm

2 stops23h 51m

$1,533

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 3/30

2:50 pm-10:29 pm

2 stops20h 39m

Washington, D.C. Reagan-National

Wed 4/15

8:30 am-6:45 pm

1 stop21h 15m

$1,792

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

12:35 pm-10:31 pm

2 stops22h 56m

Washington, D.C. Reagan-National

Tue 5/19

7:45 am-9:00 pm

2 stops24h 15m

$1,794

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 3/30

7:25 pm-4:37 pm

2 stops34h 12m

Washington, D.C. Reagan-National

Wed 4/15

11:36 am-2:50 pm

3 stops38h 14m

$1,863

Flights are sorted by cheapest round-trip flights first.

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka Kansai Intl Airport 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 Kansai Intl Airport to Washington, D.C. Reagan-National Airport (KIX to DCA) flight deals and tips

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

Fastest flight time

36h 54m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport takes 36h 54m
There are no direct flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport.
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  • How far is Osaka Kansai Intl to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 6964.0 mi away from Osaka Kansai Intl. By plane, this route typically takes 36h 54m.

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

    Prices for flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Tysons
Laurel
Colonial Beach
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.?

It is quick and easy to find Osaka to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Osaka to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Osaka.

I’m not ready to book a flight from Osaka to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Osaka and alert you when they change.

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