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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $544

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 11/14. 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

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
12:15 am - 10:50 am
KIX
-
IAD
23h 35m
1 stop
Multiple Airlines Logo
1:20 pm - 10:45 pm
IAD
-
KIX
20h 25m
1 stop
$1,026Multiple Airlines
Sat, Aug 29 - Sun, Sep 6
Multiple Airlines Logo
12:15 am - 10:50 am
KIX
-
IAD
23h 35m
1 stop
Multiple Airlines Logo
1:20 pm - 9:35 pm
IAD
-
KIX
19h 15m
1 stop
$1,027Multiple Airlines
Sun, Aug 30 - Mon, Sep 7
Multiple Airlines Logo
2:15 am - 10:50 am
KIX
-
IAD
21h 35m
1 stop
Multiple Airlines Logo
1:20 pm - 10:30 pm
IAD
-
KIX
20h 10m
1 stop
$1,141Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
6:15 pm - 10:50 am
KIX
-
IAD
29h 35m
1 stop
Multiple Airlines Logo
1:20 pm - 5:00 pm
IAD
-
KIX
38h 40m
1 stop
$1,155Multiple Airlines
Tue, Sep 1 - Fri, Sep 25
Multiple Airlines Logo
7:55 pm - 10:50 am
KIX
-
IAD
27h 55m
1 stop
Multiple Airlines Logo
1:20 pm - 5:00 pm
IAD
-
KIX
38h 40m
1 stop
$1,162Multiple Airlines
Thu, Sep 3 - Fri, Sep 25
Multiple Airlines Logo
10:05 am - 10:50 am
KIX
-
IAD
37h 45m
1 stop
Multiple Airlines Logo
1:20 pm - 3:00 pm
IAD
-
KIX
36h 40m
1 stop
$1,164Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Air Canada Logo
6:00 pm - 8:55 am
KIX
-
DCA
27h 55m
1 stop
Air Canada Logo
12:40 pm - 4:25 pm
DCA
-
KIX
62h 45m
2 stops
$1,180Air Canada
Wed, Sep 30 - Sun, Oct 4
Air Canada Logo
9:20 am - 10:34 pm
KIX
-
DCA
26h 14m
2 stops
Air Canada Logo
12:40 pm - 4:25 pm
DCA
-
KIX
38h 45m
2 stops
$1,257Air Canada
Mon, Sep 14 - Wed, Sep 16
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
1 stop
$1,318Air Canada
Mon, Aug 24 - Mon, Aug 31
Delta Logo
12:35 pm - 12:58 pm
KIX
-
BWI
37h 23m
2 stops
Delta Logo
6:15 am - 10:40 pm
BWI
-
KIX
27h 25m
2 stops
$1,934Delta
Wed, Sep 30 - Sun, Oct 4

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

Our best Air Canada deals on Osaka Kansai Intl Airport to Washington, D.C. flight tickets
Air Canada
Sep 30
KIX6:00 pmOsaka Kansai Intl
27h 55m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
Oct 4
DCA12:40 pmWashington, D.C. Reagan-National
62h 45m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,180
Air Canada
Sep 28
KIX6:00 pmOsaka Kansai Intl
40h 14m
2 stops
IAD9:14 pmWashington, D.C. Dulles Intl
Oct 2
IAD3:45 pmWashington, D.C. Dulles Intl
59h 40m
2 stops
KIX4:25 pmOsaka Kansai Intl
$1,248
Air Canada
Sep 28
KIX6:00 pmOsaka Kansai Intl
40h 14m
2 stops
IAD9:14 pmWashington, D.C. Dulles Intl
Oct 2
IAD10:19 pmWashington, D.C. Dulles Intl
29h 06m
1 stop
KIX4:25 pmOsaka Kansai Intl
$1,253

Qatar Airways flights from Osaka Kansai Intl Airport to Washington, D.C.

Our best Qatar Airways deals on Osaka Kansai Intl Airport to Washington, D.C. flight tickets
Qatar Airways
Sep 28
KIX6:55 pmOsaka Kansai Intl
26h 50m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
Oct 2
IAD9:00 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
KIX5:25 pmOsaka Kansai Intl
$1,685
Qatar Airways
Aug 10
KIX6:55 pmOsaka Kansai Intl
33h 45m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aug 15
IAD9:00 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
KIX5:25 pmOsaka Kansai Intl
$1,775
Qatar Airways
Aug 4
KIX6:55 pmOsaka Kansai Intl
33h 45m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aug 11
IAD9:00 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
KIX5:25 pmOsaka Kansai Intl
$1,799

momondo Fare Finder

 
Customize your flight search to find flights from Osaka Kansai Intl Airport to Washington, D.C. 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 July 20, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sat 8/29

12:15 am-10:50 am

1 stop23h 35m

Washington, D.C. Dulles Intl

Sun 9/6

1:20 pm-10:45 pm

1 stop20h 25m

$1,026

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 8/30

12:15 am-10:50 am

1 stop23h 35m

Washington, D.C. Dulles Intl

Mon 9/7

1:20 pm-9:35 pm

1 stop19h 15m

$1,027
Quickest round-trip

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 8/23

2:15 am-10:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Sun 8/30

1:20 pm-10:30 pm

1 stop20h 10m

$1,141

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 9/1

6:15 pm-10:50 am

1 stop29h 35m

Washington, D.C. Dulles Intl

Fri 9/25

1:20 pm-5:00 pm

1 stop38h 40m

$1,155

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 9/3

7:55 pm-10:50 am

1 stop27h 55m

Washington, D.C. Dulles Intl

Fri 9/25

1:20 pm-5:00 pm

1 stop38h 40m

$1,162

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 8/30

10:05 am-10:50 am

1 stop37h 45m

Washington, D.C. Dulles Intl

Sun 9/6

1:20 pm-3:00 pm

1 stop36h 40m

$1,164

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Wed 9/30

6:00 pm-8:55 am

1 stop27h 55m

Washington, D.C. Reagan-National

Sun 10/4

12:40 pm-4:25 pm

2 stops62h 45m

$1,180

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 9/14

9:20 am-10:34 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 9/16

12:40 pm-4:25 pm

2 stops38h 45m

$1,257

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 8/24

6:00 pm-10:18 am

2 stops29h 18m

Washington, D.C. Reagan-National

Mon 8/31

6:55 pm-4:25 pm

1 stop32h 30m

$1,318

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Wed 9/30

12:35 pm-12:58 pm

2 stops37h 23m

Baltimore/Washington

Sun 10/4

6:15 am-10:40 pm

2 stops27h 25m

$1,934

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.

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. flights?

You could potentially save up to 29% on your flight if you consider stops on a Osaka Kansai Intl Airport to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka Kansai Intl Airport to Washington, D.C. 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. (KIX to WAS) 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.

Fastest flight time

19h 09m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. takes 19h 09m
There are no direct flights from Osaka Kansai Intl Airport to Washington, D.C.. There are no popular flight routes from Osaka Kansai Intl Airport to Washington, D.C..
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Frequently asked questions about flying from Osaka Kansai Intl Airport to Washington, D.C.

  • How far is Osaka Kansai Intl to Washington, D.C. by plane?

    The distance between Osaka Kansai Intl and Washington, D.C. is about 6960.7 mi. Typically, this will take 19h 09m by plane in normal conditions.

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

    Prices for flights from Osaka Kansai Intl Airport to Washington, D.C. were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Osaka Kansai Intl Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Manassas
Towson
Silver Spring
Colonial Beach
Springfield
Tysons
Fairfax
College Park
Edgewood

Why use momondo?

Why should I use momondo to find a flight deal from Osaka to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Osaka.

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

Yes. momondo allows you to filter the results for Osaka to Washington, D.C. flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Osaka to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport