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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $443

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
EVA Air Logo
11:10 am - 5:41 am
KIX
-
BWI
31h 31m
2 stops
EVA Air Logo
6:16 pm - 12:10 pm
BWI
-
KIX
28h 54m
2 stops
$1,152EVA Air
Tue, Jun 16 - Fri, Sep 4
EVA Air Logo
1:10 pm - 10:00 pm
KIX
-
IAD
21h 50m
1 stop
EVA Air Logo
1:15 am - 12:10 pm
IAD
-
KIX
21h 55m
1 stop
$1,164EVA Air
Wed, Sep 2 - Fri, Sep 25
Air China Logo
9:05 am - 7:30 pm
KIX
-
IAD
23h 25m
1 stop
Air China Logo
11:00 pm - 12:40 pm
IAD
-
KIX
24h 40m
1 stop
$1,216Air China
Fri, Sep 4 - Tue, Sep 22
Multiple Airlines Logo
6:30 pm - 10:30 pm
KIX
-
IAD
41h 00m
1 stop
Multiple Airlines Logo
6:14 pm - 10:10 am
IAD
-
KIX
26h 56m
2 stops
$1,234Multiple Airlines
Tue, Jul 28 - Tue, Aug 18
Air China Logo
9:05 am - 7:30 pm
KIX
-
IAD
23h 25m
1 stop
Air China Logo
11:00 pm - 12:40 pm
IAD
-
KIX
24h 40m
1 stop
$1,245Air China
Tue, Jun 16 - Fri, Sep 4
Air Canada Logo
6:00 pm - 10:19 am
KIX
-
DCA
29h 19m
2 stops
Air Canada Logo
8:40 pm - 4:25 pm
DCA
-
KIX
30h 45m
1 stop
$1,257Air Canada
Thu, May 14 - Mon, Aug 3
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
$1,260Air Canada
Thu, May 14 - Mon, Aug 3
Multiple Airlines Logo
11:10 am - 6:28 am
KIX
-
BWI
32h 18m
2 stops
Multiple Airlines Logo
7:35 pm - 12:10 pm
BWI
-
KIX
27h 35m
2 stops
$1,280Multiple Airlines
Tue, Jun 2 - Sun, Jun 7
Delta Logo
9:05 am - 8:51 pm
KIX
-
BWI
24h 46m
2 stops
Delta Logo
7:40 pm - 11:20 am
BWI
-
KIX
26h 40m
2 stops
$1,353Delta
Thu, Sep 3 - Thu, Sep 24
Delta Logo
9:05 am - 11:47 pm
KIX
-
BWI
27h 42m
2 stops
Delta Logo
6:19 am - 10:40 pm
BWI
-
KIX
27h 21m
2 stops
$1,609Delta
Mon, Jun 15 - Mon, Jun 22

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

Our best KLM deals on Osaka Kansai Intl Airport to Washington, D.C. flight tickets
KLM
May 14
KIX11:25 amOsaka Kansai Intl
45h 10m
1 stop
IAD7:35 pmWashington, D.C. Dulles Intl
May 27
IAD6:10 pmWashington, D.C. Dulles Intl
27h 05m
1 stop
KIX10:15 amOsaka Kansai Intl
$1,511
KLM
May 12
KIX11:55 amOsaka Kansai Intl
40h 40m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
May 19
IAD7:38 pmWashington, D.C. Dulles Intl
25h 37m
2 stops
KIX10:15 amOsaka Kansai Intl
$1,519
KLM
May 14
KIX11:25 amOsaka Kansai Intl
41h 10m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
May 27
IAD6:10 pmWashington, D.C. Dulles Intl
27h 05m
1 stop
KIX10:15 amOsaka Kansai Intl
$1,552

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

Our best Air China deals on Osaka Kansai Intl Airport to Washington, D.C. flight tickets
Air China
Sep 4
KIX9:05 amOsaka Kansai Intl
23h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Sep 22
IAD11:00 pmWashington, D.C. Dulles Intl
24h 40m
1 stop
KIX12:40 pmOsaka Kansai Intl
$1,216
Air China
Jun 16
KIX9:05 amOsaka Kansai Intl
23h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Sep 4
IAD11:00 pmWashington, D.C. Dulles Intl
24h 40m
1 stop
KIX12:40 pmOsaka Kansai Intl
$1,245
Air China
Sep 3
KIX2:00 pmOsaka Kansai Intl
42h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Sep 22
IAD11:00 pmWashington, D.C. Dulles Intl
24h 40m
1 stop
KIX12:40 pmOsaka Kansai Intl
$1,404

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 April 2, 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

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 6/16

11:10 am-5:41 am

2 stops31h 31m

Baltimore/Washington

Fri 9/4

6:16 pm-12:10 pm

2 stops28h 54m

$1,152
Quickest round-trip

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 9/2

1:10 pm-10:00 pm

1 stop21h 50m

Washington, D.C. Dulles Intl

Fri 9/25

1:15 am-12:10 pm

1 stop21h 55m

$1,164

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Fri 9/4

9:05 am-7:30 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

Tue 9/22

11:00 pm-12:40 pm

1 stop24h 40m

$1,216

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 7/28

6:30 pm-10:30 pm

1 stop41h 00m

Washington, D.C. Dulles Intl

Tue 8/18

6:14 pm-10:10 am

2 stops26h 56m

$1,234

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 6/16

9:05 am-7:30 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

Fri 9/4

11:00 pm-12:40 pm

1 stop24h 40m

$1,245

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 5/14

6:00 pm-10:19 am

2 stops29h 19m

Washington, D.C. Reagan-National

Mon 8/3

8:40 pm-4:25 pm

1 stop30h 45m

$1,257

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 5/14

6:00 pm-10:19 am

2 stops29h 19m

Washington, D.C. Reagan-National

Mon 8/3

4:20 pm-4:25 pm

2 stops35h 05m

$1,260

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 6/2

11:10 am-6:28 am

2 stops32h 18m

Baltimore/Washington

Sun 6/7

7:35 pm-12:10 pm

2 stops27h 35m

$1,280

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Thu 9/3

9:05 am-8:51 pm

2 stops24h 46m

Baltimore/Washington

Thu 9/24

7:40 pm-11:20 am

2 stops26h 40m

$1,353

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Mon 6/15

9:05 am-11:47 pm

2 stops27h 42m

Baltimore/Washington

Mon 6/22

6:19 am-10:40 pm

2 stops27h 21m

$1,609

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 15% 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

20h 48m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. takes 20h 48m
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 20h 48m 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
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.?

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