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Cheap flights from Washington, D.C. to Osaka from $536

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Osaka departing on 8/18. 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 Washington, D.C. to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 am - 6:55 pm
DCA
-
ITM
23h 55m
2 stops
Air Canada Logo
2:00 pm - 3:38 pm
ITM
-
DCA
38h 38m
2 stops
$1,166Air Canada
Sun, Aug 30 - Thu, Sep 3
Air Canada Logo
3:45 pm - 6:55 pm
IAD
-
ITM
38h 10m
2 stops
Air Canada Logo
2:00 pm - 3:01 pm
ITM
-
IAD
38h 01m
2 stops
$1,166Air Canada
Sun, Aug 30 - Thu, Sep 3
Air Canada Logo
9:45 am - 6:55 pm
IAD
-
ITM
20h 10m
2 stops
Air Canada Logo
3:00 pm - 8:25 pm
ITM
-
IAD
18h 25m
2 stops
$1,219Air Canada
Tue, Sep 1 - Wed, Sep 16
Japan Airlines Logo
8:00 am - 7:50 pm
DCA
-
ITM
22h 50m
2 stops
Japan Airlines Logo
9:25 am - 4:13 pm
ITM
-
DCA
19h 48m
2 stops
$1,239Japan Airlines
Tue, Sep 22 - Thu, Oct 8
ANA Logo
12:35 pm - 8:35 pm
IAD
-
ITM
19h 00m
1 stop
ANA Logo
11:00 am - 3:35 pm
ITM
-
IAD
17h 35m
1 stop
$1,260ANA
Tue, Sep 22 - Thu, Oct 8
ANA Logo
8:15 am - 8:15 pm
IAD
-
ITM
23h 00m
2 stops
ANA Logo
8:00 am - 3:35 pm
ITM
-
IAD
20h 35m
1 stop
$1,264ANA
Tue, Sep 22 - Thu, Oct 8
Japan Airlines Logo
9:50 am - 7:50 pm
DCA
-
ITM
21h 00m
2 stops
Japan Airlines Logo
9:20 am - 4:29 pm
ITM
-
DCA
20h 09m
2 stops
$1,267Japan Airlines
Tue, Sep 1 - Thu, Sep 17
United Airlines Logo
6:05 am - 5:05 pm
BWI
-
ITM
22h 00m
2 stops
United Airlines Logo
12:55 pm - 5:14 am
ITM
-
BWI
29h 19m
2 stops
$1,421United Airlines
Tue, Apr 21 - Thu, Apr 30
American Airlines Logo
11:41 am - 8:30 pm
BWI
-
ITM
19h 49m
2 stops
American Airlines Logo
7:25 am - 3:00 pm
ITM
-
BWI
20h 35m
2 stops
$1,478American Airlines
Sun, Apr 19 - Mon, May 4
American Airlines Logo
11:41 am - 8:30 pm
BWI
-
ITM
19h 49m
2 stops
American Airlines Logo
7:25 am - 3:00 pm
ITM
-
BWI
20h 35m
2 stops
$1,479American Airlines
Sun, Apr 19 - Mon, May 4

ANA flights from Washington, D.C. to Osaka Itami Airport

Our best ANA deals on Washington, D.C. to Osaka Itami Airport flight tickets
ANA
Sep 22
IAD12:35 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
ITM8:35 pmOsaka Itami
Oct 8
ITM11:00 amOsaka Itami
17h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,260
ANA
Sep 22
IAD8:15 amWashington, D.C. Dulles Intl
23h 00m
2 stops
ITM8:15 pmOsaka Itami
Oct 8
ITM8:00 amOsaka Itami
20h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,264
ANA
Sep 22
IAD12:15 pmWashington, D.C. Dulles Intl
19h 20m
1 stop
ITM8:35 pmOsaka Itami
Oct 8
ITM8:00 amOsaka Itami
19h 03m
2 stops
IAD2:03 pmWashington, D.C. Dulles Intl
$1,270

United Airlines flights from Washington, D.C. to Osaka Itami Airport

Our best United Airlines deals on Washington, D.C. to Osaka Itami Airport flight tickets
United Airlines
Sep 23
IAD6:15 amWashington, D.C. Dulles Intl
21h 50m
2 stops
ITM5:05 pmOsaka Itami
Oct 6
ITM12:55 pmOsaka Itami
34h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,315
United Airlines
Apr 26
IAD6:00 amWashington, D.C. Dulles Intl
22h 05m
2 stops
ITM5:05 pmOsaka Itami
May 15
ITM12:55 pmOsaka Itami
21h 16m
2 stops
IAD9:11 pmWashington, D.C. Dulles Intl
$1,325
United Airlines
Sep 24
IAD6:00 amWashington, D.C. Dulles Intl
22h 05m
2 stops
ITM5:05 pmOsaka Itami
Oct 6
ITM12:55 pmOsaka Itami
34h 10m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$1,365

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Osaka Itami Airport 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 March 31, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 8/30

6:00 am-6:55 pm

2 stops23h 55m

Osaka Itami

Thu 9/3

2:00 pm-3:38 pm

2 stops38h 38m

$1,166

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 8/30

3:45 pm-6:55 pm

2 stops38h 10m

Osaka Itami

Thu 9/3

2:00 pm-3:01 pm

2 stops38h 01m

$1,166

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 9/1

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Wed 9/16

3:00 pm-8:25 pm

2 stops18h 25m

$1,219

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/22

8:00 am-7:50 pm

2 stops22h 50m

Osaka Itami

Thu 10/8

9:25 am-4:13 pm

2 stops19h 48m

$1,239
Quickest round-trip

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 9/22

12:35 pm-8:35 pm

1 stop19h 00m

Osaka Itami

Thu 10/8

11:00 am-3:35 pm

1 stop17h 35m

$1,260

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 9/22

8:15 am-8:15 pm

2 stops23h 00m

Osaka Itami

Thu 10/8

8:00 am-3:35 pm

1 stop20h 35m

$1,264

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/1

9:50 am-7:50 pm

2 stops21h 00m

Osaka Itami

Thu 9/17

9:20 am-4:29 pm

2 stops20h 09m

$1,267

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Tue 4/21

6:05 am-5:05 pm

2 stops22h 00m

Osaka Itami

Thu 4/30

12:55 pm-5:14 am

2 stops29h 19m

$1,421

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 4/19

11:41 am-8:30 pm

2 stops19h 49m

Osaka Itami

Mon 5/4

7:25 am-3:00 pm

2 stops20h 35m

$1,478

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sun 4/19

11:41 am-8:30 pm

2 stops19h 49m

Osaka Itami

Mon 5/4

7:25 am-3:00 pm

2 stops20h 35m

$1,479

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 Osaka from

How to get the cheapest flight ticket from Washington, D.C. to Osaka Itami Airport

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 airline that flies from Washington, D.C. to Osaka Itami?

Air Canada, United Airlines, and Japan Airlines are the most popular carriers operating from Washington, D.C. to Osaka Itami

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Osaka Itami Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Osaka Itami Airport (WAS to ITM) flight deals and tips

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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Osaka Itami Airport takes 16h 55m
There are no direct flights from Washington, D.C. to Osaka Itami Airport. There are no popular flight routes from Washington, D.C. to Osaka Itami Airport.
Search flight deals

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

    Osaka Itami is 6933.6 mi away from Washington, D.C.. A reasonable flight in good conditions will take 16h 55m.

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

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

  • How many operators does momondo search for flights from Washington, D.C. to Osaka Itami Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Osaka Itami Airport.

  • What documentation or ID do you need to fly to Osaka Itami Airport?

    The travel and health documents you'll need for your trip to Osaka Itami Airport 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 Osaka Itami Airport. 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 Washington, D.C. to Osaka Itami Airport?

Best airlines flying from Washington, D.C. to Osaka Itami Airport

Compare and see reviews for airlines that fly from Washington, D.C. to Osaka Itami Airport with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $1,159Free CancellationRating
8.4
1,160 reviews
Search ANA flights

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

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

Flights from Washington, D.C. to Osaka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Osaka?

momondo helps you find the best flight between Washington, D.C. and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Osaka right now. Can momondo alert me if prices change?

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

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