Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Osaka to Washington, D.C. from $424

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 10/9. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Osaka to Washington, D.C.

Cheap round-trip flights

Air Canada Logo
6:05 pm - 6:31 amKIX-IAD
25h 26m1 stop
Air Canada Logo
8:25 am - 4:25 pmIAD-KIX
19h 00m1 stop
$729Air Canada
Find Deal
Thu, Sep 11 - Mon, Sep 15
Air Canada Logo
6:05 pm - 6:31 amKIX-IAD
25h 26m1 stop
Air Canada Logo
8:28 am - 4:25 pmIAD-KIX
18h 57m1 stop
$803Air Canada
Find Deal
Tue, Sep 16 - Sat, Sep 20
Logo
7:40 am - 9:05 pmKIX-IAD
26h 25m2 stops
Logo
2:25 pm - 4:25 pmIAD-KIX
37h 00m1 stop
$880
Find Deal
Thu, Sep 11 - Mon, Sep 15
Logo
7:40 am - 9:51 pmKIX-DCA
27h 11m2 stops
Logo
8:40 pm - 4:25 pmDCA-KIX
30h 45m1 stop
$880
Find Deal
Thu, Sep 11 - Mon, Sep 15
American Airlines Logo
1:30 pm - 10:26 amITM-DCA
33h 56m2 stops
American Airlines Logo
5:00 am - 7:10 pmDCA-ITM
25h 10m2 stops
$930American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
1:30 pm - 10:57 pmITM-DCA
22h 27m2 stops
American Airlines Logo
5:00 am - 8:30 pmDCA-ITM
26h 30m2 stops
$932American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
6:35 pm - 5:19 amKIX-BWI
24h 44m1 stop
United Airlines Logo
6:25 am - 4:40 pmBWI-KIX
20h 15m1 stop
$978United Airlines
Find Deal
Fri, Dec 19 - Mon, Jan 5
United Airlines Logo
6:35 pm - 5:19 amKIX-BWI
24h 44m1 stop
United Airlines Logo
4:05 pm - 4:40 pmBWI-KIX
34h 35m2 stops
$979United Airlines
Find Deal
Fri, Dec 19 - Mon, Jan 5
ANA Logo
7:05 am - 9:10 amITM-IAD
16h 05m1 stop
ANA Logo
11:05 am - 8:20 pmIAD-ITM
19h 15m1 stop
$1,698ANA
Find Deal
Tue, Dec 16 - Fri, Jan 16
ANA Logo
7:05 am - 10:05 amITM-IAD
16h 00m1 stop
ANA Logo
8:20 am - 8:15 pmIAD-ITM
22h 55m2 stops
$1,729ANA
Find Deal
Thu, Oct 16 - Mon, Oct 20

American Airlines flights from Osaka to Washington, D.C.

Our best American Airlines deals on Osaka to Washington, D.C. flight tickets
American Airlines
Oct 16
ITM1:30 pmOsaka Itami
33h 56m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Oct 20
DCA5:00 amWashington, D.C. Reagan-National
25h 10m
2 stops
ITM7:10 pmOsaka Itami
$930
Find similar
American Airlines
Oct 16
ITM1:30 pmOsaka Itami
22h 27m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
Oct 20
DCA5:00 amWashington, D.C. Reagan-National
26h 30m
2 stops
ITM8:30 pmOsaka Itami
$932
Find similar
American Airlines
Oct 16
ITM1:30 pmOsaka Itami
34h 21m
2 stops
IAD10:51 amWashington, D.C. Dulles Intl
Oct 20
IAD6:45 amWashington, D.C. Dulles Intl
24h 05m
2 stops
ITM7:50 pmOsaka Itami
$1,357
Find similar

ANA flights from Osaka to Washington, D.C.

Our best ANA deals on Osaka to Washington, D.C. flight tickets
ANA
Dec 16
ITM7:05 amOsaka Itami
16h 05m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Jan 16
IAD11:05 amWashington, D.C. Dulles Intl
19h 15m
1 stop
ITM8:20 pmOsaka Itami
$1,698
Find similar
ANA
Oct 16
ITM7:05 amOsaka Itami
16h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Oct 20
IAD8:20 amWashington, D.C. Dulles Intl
22h 55m
2 stops
ITM8:15 pmOsaka Itami
$1,729
Find similar
ANA
Oct 16
ITM7:30 amOsaka Itami
15h 35m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Oct 20
IAD8:20 amWashington, D.C. Dulles Intl
22h 55m
2 stops
ITM8:15 pmOsaka Itami
$1,730
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 August 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

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 9/11

6:05 pm-6:31 am

1 stop25h 26m

Washington, D.C. Dulles Intl

Mon 9/15

8:25 am-4:25 pm

1 stop19h 00m

$729

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Tue 9/16

6:05 pm-6:31 am

1 stop25h 26m

Washington, D.C. Dulles Intl

Sat 9/20

8:28 am-4:25 pm

1 stop18h 57m

$803

OsakaWashington, D.C.

KIX - IAD

KIXIAD

Osaka Kansai Intl

Thu 9/11

7:40 am-9:05 pm

2 stops26h 25m

Washington, D.C. Dulles Intl

Mon 9/15

2:25 pm-4:25 pm

1 stop37h 00m

$880

OsakaWashington, D.C.

KIX - DCA

KIXDCA

Osaka Kansai Intl

Thu 9/11

7:40 am-9:51 pm

2 stops27h 11m

Washington, D.C. Reagan-National

Mon 9/15

8:40 pm-4:25 pm

1 stop30h 45m

$880

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 10/16

1:30 pm-10:26 am

2 stops33h 56m

Washington, D.C. Reagan-National

Mon 10/20

5:00 am-7:10 pm

2 stops25h 10m

$930

OsakaWashington, D.C.

ITM - DCA

ITMDCA

Osaka Itami

Thu 10/16

1:30 pm-10:57 pm

2 stops22h 27m

Washington, D.C. Reagan-National

Mon 10/20

5:00 am-8:30 pm

2 stops26h 30m

$932

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 12/19

6:35 pm-5:19 am

1 stop24h 44m

Baltimore/Washington

Mon 1/5

6:25 am-4:40 pm

1 stop20h 15m

$978

OsakaBaltimore

KIX - BWI

KIXBWI

Osaka Kansai Intl

Fri 12/19

6:35 pm-5:19 am

1 stop24h 44m

Baltimore/Washington

Mon 1/5

4:05 pm-4:40 pm

2 stops34h 35m

$979

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 12/16

7:05 am-9:10 am

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 1/16

11:05 am-8:20 pm

1 stop19h 15m

$1,698

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 10/16

7:05 am-10:05 am

1 stop16h 00m

Washington, D.C. Dulles Intl

Mon 10/20

8:20 am-8:15 pm

2 stops22h 55m

$1,729

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 35% 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.

Direct flights

None
There are no direct flights from Osaka to Washington, D.C.. There are no popular flight routes from Osaka to Washington, D.C..
Search flight deals

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

    Washington, D.C. is 6939.3 mi away from Osaka. 15h 35m 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
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

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