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Cheap flights from Osaka Kansai Intl Airport to Washington, D.C. from $487

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 3/25. 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
11:10 am - 5:40 am
KIX
-
IAD
31h 30m
2 stops
Multiple Airlines Logo
7:11 pm - 10:10 am
IAD
-
KIX
25h 59m
2 stops
$1,269Multiple Airlines
Mon, Mar 30 - Wed, Apr 15
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
ANA Logo
4:55 pm - 9:04 pm
KIX
-
IAD
17h 09m
1 stop
ANA Logo
6:30 am - 2:50 pm
IAD
-
KIX
19h 20m
1 stop
$1,383ANA
Tue, May 5 - Tue, May 19
United Airlines Logo
4:55 pm - 10:27 pm
KIX
-
IAD
18h 32m
1 stop
United Airlines Logo
10:35 pm - 2:50 pm
IAD
-
KIX
27h 15m
2 stops
$1,395United Airlines
Wed, May 6 - Tue, May 19
United Airlines Logo
4:55 pm - 6:00 am
KIX
-
IAD
26h 05m
1 stop
United Airlines Logo
10:10 pm - 2:50 pm
IAD
-
KIX
27h 40m
1 stop
$1,408United Airlines
Sun, May 3 - Tue, May 19
Lufthansa Logo
9:30 am - 3:00 pm
KIX
-
IAD
42h 30m
1 stop
Lufthansa Logo
5:25 pm - 7:15 am
IAD
-
KIX
24h 50m
1 stop
$1,415Lufthansa
Mon, Mar 30 - Wed, Apr 15
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
ANA Logo
4:55 pm - 9:04 pm
KIX
-
IAD
17h 09m
1 stop
ANA Logo
6:30 am - 2:50 pm
IAD
-
KIX
19h 20m
1 stop
$1,473ANA
Tue, May 5 - Wed, May 20
Lufthansa Logo
9:30 am - 7:25 pm
KIX
-
IAD
46h 55m
1 stop
Lufthansa Logo
5:15 pm - 7:15 am
IAD
-
KIX
25h 00m
2 stops
$1,490Lufthansa
Mon, Mar 30 - Wed, Apr 15
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

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
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

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

Our best ANA deals on Osaka Kansai Intl Airport to Washington, D.C. flight tickets
ANA
May 5
KIX4:55 pmOsaka Kansai Intl
17h 09m
1 stop
IAD9:04 pmWashington, D.C. Dulles Intl
May 19
IAD6:30 amWashington, D.C. Dulles Intl
19h 20m
1 stop
KIX2:50 pmOsaka Kansai Intl
$1,383
ANA
May 5
KIX4:55 pmOsaka Kansai Intl
17h 09m
1 stop
IAD9:04 pmWashington, D.C. Dulles Intl
May 20
IAD6:30 amWashington, D.C. Dulles Intl
19h 20m
1 stop
KIX2:50 pmOsaka Kansai Intl
$1,473
ANA
Mar 5
KIX6:35 pmOsaka Kansai Intl
19h 24m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
Mar 12
DCA7:00 amWashington, D.C. Reagan-National
20h 40m
1 stop
KIX4:40 pmOsaka Kansai Intl
$6,027

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 February 4, 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

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

11:10 am-5:40 am

2 stops31h 30m

Washington, D.C. Dulles Intl

Wed 4/15

7:11 pm-10:10 am

2 stops25h 59m

$1,269

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 - IAD

KIXIAD

Osaka Kansai Intl

Tue 5/5

4:55 pm-9:04 pm

1 stop17h 09m

Washington, D.C. Dulles Intl

Tue 5/19

6:30 am-2:50 pm

1 stop19h 20m

$1,383

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 5/6

4:55 pm-10:27 pm

1 stop18h 32m

Washington, D.C. Dulles Intl

Tue 5/19

10:35 pm-2:50 pm

2 stops27h 15m

$1,395

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Sun 5/3

4:55 pm-6:00 am

1 stop26h 05m

Washington, D.C. Dulles Intl

Tue 5/19

10:10 pm-2:50 pm

1 stop27h 40m

$1,408

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

9:30 am-3:00 pm

1 stop42h 30m

Washington, D.C. Dulles Intl

Wed 4/15

5:25 pm-7:15 am

1 stop24h 50m

$1,415

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 - IAD

KIXIAD

Osaka Kansai Intl

Tue 5/5

4:55 pm-9:04 pm

1 stop17h 09m

Washington, D.C. Dulles Intl

Wed 5/20

6:30 am-2:50 pm

1 stop19h 20m

$1,473

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/30

9:30 am-7:25 pm

1 stop46h 55m

Washington, D.C. Dulles Intl

Wed 4/15

5:15 pm-7:15 am

2 stops25h 00m

$1,490

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

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 28% 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

25h 27m

Direct flights

None
The fastest flight from Osaka Kansai Intl Airport to Washington, D.C. takes 25h 27m
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..
Search flight deals

  • 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 25h 27m 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
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.?

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