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Cheap flights from Osaka to Washington, D.C. from $618

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 to Washington, D.C. departing on 4/30. 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 to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:35 pm - 7:32 am
KIX
-
BWI
26h 57m1 stop
United Airlines Logo
5:18 pm - 4:40 pm
BWI
-
KIX
33h 22m2 stops
$1,067United Airlines
Mon, Feb 2 - Mon, Feb 9
Delta Logo
9:00 am - 11:26 pm
KIX
-
BWI
28h 26m2 stops
Delta Logo
6:00 am - 8:45 pm
BWI
-
KIX
24h 45m2 stops
$1,079Delta
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
6:10 pm - 8:00 pm
KIX
-
DCA
39h 50m2 stops
Multiple Airlines Logo
5:30 pm - 6:50 pm
DCA
-
KIX
35h 20m1 stop
$1,203Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
6:10 pm - 4:26 pm
KIX
-
IAD
36h 16m2 stops
Multiple Airlines Logo
12:20 pm - 10:20 pm
IAD
-
KIX
20h 00m1 stop
$1,221Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
12:55 pm - 8:00 pm
KIX
-
DCA
45h 05m2 stops
Multiple Airlines Logo
7:30 am - 10:20 pm
DCA
-
KIX
24h 50m2 stops
$1,221Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
6:30 pm - 5:49 am
KIX
-
IAD
24h 19m2 stops
Multiple Airlines Logo
10:00 am - 10:10 am
IAD
-
KIX
35h 10m2 stops
$1,235Multiple Airlines
Wed, Apr 29 - Fri, May 8
Air China Logo
1:50 pm - 6:30 pm
KIX
-
IAD
42h 40m1 stop
Air China Logo
11:00 pm - 8:10 pm
IAD
-
KIX
32h 10m1 stop
$1,242Air China
Mon, Mar 2 - Tue, Mar 10
Air Canada Logo
7:25 pm - 8:55 am
KIX
-
DCA
27h 30m2 stops
Air Canada Logo
8:40 pm - 5:40 pm
DCA
-
KIX
31h 00m2 stops
$1,249Air Canada
Mon, Mar 2 - Sat, Mar 7
Air Canada Logo
7:25 pm - 3:46 pm
KIX
-
IAD
34h 21m2 stops
Air Canada Logo
9:00 am - 5:40 pm
IAD
-
KIX
42h 40m2 stops
$1,281Air Canada
Mon, Mar 2 - Sat, Mar 7
KLM Logo
12:45 pm - 4:35 pm
KIX
-
IAD
41h 50m1 stop
KLM Logo
6:50 pm - 10:50 am
IAD
-
KIX
26h 00m1 stop
$1,459KLM
Mon, Feb 2 - Mon, Feb 9

KLM flights from Osaka to Washington, D.C.

Our best KLM deals on Osaka to Washington, D.C. flight tickets
KLM
Feb 2
KIX12:45 pmOsaka Kansai Intl
41h 50m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Feb 9
IAD6:50 pmWashington, D.C. Dulles Intl
26h 00m
1 stop
KIX10:50 amOsaka Kansai Intl
$1,459
Find similar
KLM
Mar 2
KIX12:45 pmOsaka Kansai Intl
41h 50m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Mar 9
IAD7:59 pmWashington, D.C. Dulles Intl
26h 21m
2 stops
KIX11:20 amOsaka Kansai Intl
$1,464
Find similar
KLM
Mar 2
KIX12:45 pmOsaka Kansai Intl
41h 20m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Mar 10
IAD7:59 pmWashington, D.C. Dulles Intl
26h 21m
2 stops
KIX11:20 amOsaka Kansai Intl
$1,497
Find similar

Air France flights from Osaka to Washington, D.C.

Our best Air France deals on Osaka to Washington, D.C. flight tickets
Air France
Feb 2
KIX12:45 pmOsaka Kansai Intl
41h 50m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Feb 9
IAD3:42 pmWashington, D.C. Dulles Intl
29h 08m
2 stops
KIX10:50 amOsaka Kansai Intl
$1,463
Find similar
Air France
Feb 28
ITM9:35 amOsaka Itami
45h 00m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Mar 9
IAD7:50 pmWashington, D.C. Dulles Intl
25h 50m
2 stops
ITM10:40 amOsaka Itami
$1,581
Find similar
Air France
Mar 1
KIX1:00 pmOsaka Kansai Intl
41h 35m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Mar 9
IAD7:50 pmWashington, D.C. Dulles Intl
26h 30m
2 stops
KIX11:20 amOsaka Kansai Intl
$1,622
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka 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 December 21, 2025.
Use the filters below to find and compare flights from Osaka to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Mon 2/2

6:35 pm-7:32 am

1 stop26h 57m

Baltimore/Washington

Mon 2/9

5:18 pm-4:40 pm

2 stops33h 22m

$1,067

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Tue 2/3

9:00 am-11:26 pm

2 stops28h 26m

Baltimore/Washington

Tue 2/10

6:00 am-8:45 pm

2 stops24h 45m

$1,079

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 2/3

6:10 pm-8:00 pm

2 stops39h 50m

Washington, D.C. Reagan-National

Tue 2/10

5:30 pm-6:50 pm

1 stop35h 20m

$1,203

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 2/3

6:10 pm-4:26 pm

2 stops36h 16m

Washington, D.C. Dulles Intl

Tue 2/10

12:20 pm-10:20 pm

1 stop20h 00m

$1,221

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Tue 2/3

12:55 pm-8:00 pm

2 stops45h 05m

Washington, D.C. Reagan-National

Tue 2/10

7:30 am-10:20 pm

2 stops24h 50m

$1,221

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Wed 4/29

6:30 pm-5:49 am

2 stops24h 19m

Washington, D.C. Dulles Intl

Fri 5/8

10:00 am-10:10 am

2 stops35h 10m

$1,235

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/2

1:50 pm-6:30 pm

1 stop42h 40m

Washington, D.C. Dulles Intl

Tue 3/10

11:00 pm-8:10 pm

1 stop32h 10m

$1,242

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Mon 3/2

7:25 pm-8:55 am

2 stops27h 30m

Washington, D.C. Reagan-National

Sat 3/7

8:40 pm-5:40 pm

2 stops31h 00m

$1,249

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 3/2

7:25 pm-3:46 pm

2 stops34h 21m

Washington, D.C. Dulles Intl

Sat 3/7

9:00 am-5:40 pm

2 stops42h 40m

$1,281

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Mon 2/2

12:45 pm-4:35 pm

1 stop41h 50m

Washington, D.C. Dulles Intl

Mon 2/9

6:50 pm-10:50 am

1 stop26h 00m

$1,459

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Osaka 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

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Osaka is on a Friday. momondo users have found tickets for Friday departures for as low as $1,380. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Osaka to Washington, D.C. for around $1,983.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Osaka to Washington, D.C. when you can find flight prices for as low as $1,337. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,983. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Osaka to Washington, D.C. flights?

You could potentially save up to 45% on your flight if you consider stops on a Osaka to Washington, D.C. flight.

When to book flights from Osaka to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Osaka 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 to Washington, D.C. (OSA to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Osaka to Washington, D.C.

Fastest flight time

18h 40m

Direct flights

None
The fastest flight from Osaka to Washington, D.C. takes 18h 40m
There are no direct flights from Osaka to Washington, D.C.. There are no popular flight routes from Osaka to Washington, D.C..
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  • How far is Osaka to Washington, D.C. by plane?

    Washington, D.C. is 6939.3 mi away from Osaka. 18h 40m is a normal flight duration for this route.

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

    Prices for flights from Osaka to Washington, D.C. are refreshed on a daily basis.

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

    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 to Washington, D.C..

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

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Osaka to Washington, D.C.?

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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Osaka to Washington, D.C. for you.

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

Yes. All flights to Washington, D.C. from Osaka on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Osaka to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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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