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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $448

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 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Air Canada Logo
6:00 pm - 10:19 am
KIX
-
DCA
29h 19m
2 stops
Air Canada Logo
9:40 am - 4:25 pm
DCA
-
KIX
41h 45m
2 stops
$1,258Air Canada
Tue, May 5 - Tue, May 12
Air Canada Logo
6:00 pm - 10:19 am
KIX
-
DCA
29h 19m
2 stops
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
35h 05m
2 stops
$1,265Air Canada
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
1:35 pm - 10:28 pm
KIX
-
DCA
21h 53m
2 stops
Multiple Airlines Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,372Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
1:35 pm - 10:28 pm
KIX
-
DCA
21h 53m
2 stops
Multiple Airlines Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,386Multiple Airlines
Wed, May 6 - Wed, May 13
Air Canada Logo
6:00 pm - 8:52 am
KIX
-
DCA
27h 52m
1 stop
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,390Air Canada
Wed, Jul 1 - Wed, Jul 22
Air Canada Logo
6:00 pm - 10:18 am
KIX
-
DCA
29h 18m
2 stops
Air Canada Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,393Air Canada
Wed, Jul 1 - Wed, Jul 22
Multiple Airlines Logo
1:35 pm - 10:28 pm
KIX
-
DCA
21h 53m
2 stops
Multiple Airlines Logo
6:59 am - 4:25 pm
DCA
-
KIX
20h 26m
2 stops
$1,396Multiple Airlines
Wed, May 6 - Wed, May 13
Air Canada Logo
6:00 pm - 12:00 pm
KIX
-
DCA
31h 00m
2 stops
Air Canada Logo
12:40 pm - 4:25 pm
DCA
-
KIX
38h 45m
2 stops
$1,405Air Canada
Mon, Jun 29 - Tue, Jul 14
Air Canada Logo
6:00 pm - 12:00 pm
KIX
-
DCA
31h 00m
2 stops
Air Canada Logo
4:20 pm - 4:25 pm
DCA
-
KIX
35h 05m
2 stops
$1,409Air Canada
Thu, Jul 2 - Sun, Jul 12
Air Canada Logo
6:00 pm - 6:12 pm
KIX
-
DCA
37h 12m
2 stops
Air Canada Logo
12:40 pm - 4:25 pm
DCA
-
KIX
38h 45m
2 stops
$1,413Air Canada
Tue, Jun 30 - Sun, Jul 12

United Airlines flights from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Jun 29
KIX4:55 pmOsaka Kansai Intl
18h 20m
1 stop
DCA10:15 pmWashington, D.C. Reagan-National
Jul 12
DCA8:10 pmWashington, D.C. Reagan-National
29h 40m
2 stops
KIX2:50 pmOsaka Kansai Intl
$1,648
United Airlines
Aug 20
KIX4:55 pmOsaka Kansai Intl
17h 58m
1 stop
DCA9:53 pmWashington, D.C. Reagan-National
Sep 3
DCA10:30 amWashington, D.C. Reagan-National
20h 20m
2 stops
KIX7:50 pmOsaka Kansai Intl
$1,654
United Airlines
Aug 21
KIX4:55 pmOsaka Kansai Intl
17h 58m
1 stop
DCA9:53 pmWashington, D.C. Reagan-National
Sep 4
DCA7:30 amWashington, D.C. Reagan-National
42h 20m
2 stops
KIX2:50 pmOsaka Kansai Intl
$1,711

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
29h 19m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
May 12
DCA9:40 amWashington, D.C. Reagan-National
41h 45m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,258
Air Canada
May 5
KIX6:00 pmOsaka Kansai Intl
29h 19m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
May 12
DCA4:20 pmWashington, D.C. Reagan-National
35h 05m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,265
Air Canada
Jul 1
KIX6:00 pmOsaka Kansai Intl
27h 52m
1 stop
DCA8:52 amWashington, D.C. Reagan-National
Jul 15
DCA8:40 pmWashington, D.C. Reagan-National
30h 45m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,390

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 March 22, 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

Cheapest round-trip

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 5/5

6:00 pm-10:19 am

2 stops29h 19m

Washington, D.C. Reagan-National

Tue 5/12

9:40 am-4:25 pm

2 stops41h 45m

$1,258

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 5/5

6:00 pm-10:19 am

2 stops29h 19m

Washington, D.C. Reagan-National

Tue 5/12

4:20 pm-4:25 pm

2 stops35h 05m

$1,265
Quickest round-trip

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

1:35 pm-10:28 pm

2 stops21h 53m

Washington, D.C. Reagan-National

Wed 5/13

6:59 am-4:25 pm

2 stops20h 26m

$1,372

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

1:35 pm-10:28 pm

2 stops21h 53m

Washington, D.C. Reagan-National

Wed 5/13

6:59 am-4:25 pm

2 stops20h 26m

$1,386

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 7/1

6:00 pm-8:52 am

1 stop27h 52m

Washington, D.C. Reagan-National

Wed 7/22

6:59 am-4:25 pm

2 stops20h 26m

$1,390

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 7/1

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Wed 7/22

6:59 am-4:25 pm

2 stops20h 26m

$1,393

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 5/6

1:35 pm-10:28 pm

2 stops21h 53m

Washington, D.C. Reagan-National

Wed 5/13

6:59 am-4:25 pm

2 stops20h 26m

$1,396

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 6/29

6:00 pm-12:00 pm

2 stops31h 00m

Washington, D.C. Reagan-National

Tue 7/14

12:40 pm-4:25 pm

2 stops38h 45m

$1,405

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 7/2

6:00 pm-12:00 pm

2 stops31h 00m

Washington, D.C. Reagan-National

Sun 7/12

4:20 pm-4:25 pm

2 stops35h 05m

$1,409

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 6/30

6:00 pm-6:12 pm

2 stops37h 12m

Washington, D.C. Reagan-National

Sun 7/12

12:40 pm-4:25 pm

2 stops38h 45m

$1,413

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 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

27h 10m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. Reagan-National Airport takes 27h 10m
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 27h 10m.

  • 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
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.?

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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