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Cheap flights from Washington, D.C. to Osaka from $604

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 7/29. 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
9:45 am - 6:55 pm
IAD
-
ITM
20h 10m
2 stops
Air Canada Logo
2:00 pm - 3:00 pm
ITM
-
IAD
38h 00m
2 stops
$1,130Air Canada
Wed, Sep 2 - Wed, Sep 9
Air Canada Logo
9:40 am - 6:55 pm
DCA
-
ITM
20h 15m
2 stops
Air Canada Logo
2:00 pm - 9:50 pm
ITM
-
DCA
20h 50m
2 stops
$1,166Air Canada
Mon, Jul 27 - Tue, Sep 15
ANA Logo
6:00 am - 6:55 pm
DCA
-
ITM
23h 55m
2 stops
ANA Logo
4:00 pm - 10:37 pm
ITM
-
DCA
20h 37m
2 stops
$1,188ANA
Sun, Aug 23 - Fri, Dec 25
Multiple Airlines Logo
6:00 am - 6:55 pm
DCA
-
ITM
23h 55m
2 stops
Multiple Airlines Logo
11:25 am - 9:48 pm
ITM
-
DCA
23h 23m
2 stops
$1,212Multiple Airlines
Mon, Aug 24 - Wed, Sep 2
ANA Logo
9:45 am - 6:55 pm
IAD
-
ITM
20h 10m
2 stops
ANA Logo
3:00 pm - 8:25 pm
ITM
-
IAD
18h 25m
2 stops
$1,235ANA
Sat, Sep 5 - Mon, Sep 14
Multiple Airlines Logo
6:59 am - 7:50 pm
DCA
-
ITM
23h 51m
3 stops
Multiple Airlines Logo
2:00 pm - 9:55 pm
ITM
-
DCA
20h 55m
2 stops
$1,279Multiple Airlines
Mon, Apr 27 - Wed, May 13
Japan Airlines Logo
7:44 am - 7:50 pm
DCA
-
ITM
23h 06m
2 stops
Japan Airlines Logo
8:25 am - 4:13 pm
ITM
-
DCA
20h 48m
2 stops
$1,333Japan Airlines
Tue, Sep 22 - Thu, Oct 8
Japan Airlines Logo
11:36 am - 8:30 pm
DCA
-
ITM
19h 54m
2 stops
Japan Airlines Logo
10:15 am - 3:45 pm
ITM
-
DCA
18h 30m
2 stops
$1,366Japan Airlines
Mon, Apr 27 - Wed, May 13
United Airlines Logo
6:59 pm - 5:05 pm
BWI
-
ITM
33h 06m
2 stops
United Airlines Logo
12:50 pm - 6:55 am
ITM
-
BWI
31h 05m
2 stops
$1,385United Airlines
Sat, Sep 5 - Mon, Sep 14
United Airlines Logo
7:00 am - 5:05 pm
BWI
-
ITM
45h 05m
2 stops
United Airlines Logo
12:50 pm - 11:45 am
ITM
-
BWI
35h 55m
3 stops
$1,435United Airlines
Fri, Sep 11 - Fri, Sep 18

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 5
BWI6:59 pmBaltimore/Washington
33h 06m
2 stops
ITM5:05 pmOsaka Itami
Sep 14
ITM12:50 pmOsaka Itami
31h 05m
2 stops
BWI6:55 amBaltimore/Washington
$1,385
United Airlines
Sep 11
BWI7:00 amBaltimore/Washington
45h 05m
2 stops
ITM5:05 pmOsaka Itami
Sep 18
ITM12:50 pmOsaka Itami
35h 55m
3 stops
BWI11:45 amBaltimore/Washington
$1,435
United Airlines
Aug 2
BWI6:30 amBaltimore/Washington
21h 35m
2 stops
ITM5:05 pmOsaka Itami
Aug 14
ITM12:50 pmOsaka Itami
24h 53m
2 stops
BWI12:43 amBaltimore/Washington
$1,569

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

Our best Japan Airlines deals on Washington, D.C. to Osaka Itami Airport flight tickets
Japan Airlines
Apr 27
DCA11:36 amWashington, D.C. Reagan-National
19h 54m
2 stops
ITM8:30 pmOsaka Itami
May 13
ITM10:15 amOsaka Itami
18h 30m
2 stops
DCA3:45 pmWashington, D.C. Reagan-National
$1,366
Japan Airlines
May 18
DCA8:34 amWashington, D.C. Reagan-National
22h 16m
2 stops
ITM7:50 pmOsaka Itami
Jun 12
ITM2:35 pmOsaka Itami
20h 56m
2 stops
DCA10:31 pmWashington, D.C. Reagan-National
$1,394
Japan Airlines
May 5
DCA5:31 pmWashington, D.C. Reagan-National
28h 14m
2 stops
ITM10:45 amOsaka Itami
May 21
ITM7:05 amOsaka Itami
22h 24m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
$1,412

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 April 8, 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

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Wed 9/2

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Wed 9/9

2:00 pm-3:00 pm

2 stops38h 00m

$1,130

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 7/27

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Tue 9/15

2:00 pm-9:50 pm

2 stops20h 50m

$1,166

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 8/23

6:00 am-6:55 pm

2 stops23h 55m

Osaka Itami

Fri 12/25

4:00 pm-10:37 pm

2 stops20h 37m

$1,188

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 8/24

6:00 am-6:55 pm

2 stops23h 55m

Osaka Itami

Wed 9/2

11:25 am-9:48 pm

2 stops23h 23m

$1,212

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sat 9/5

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Mon 9/14

3:00 pm-8:25 pm

2 stops18h 25m

$1,235

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/27

6:59 am-7:50 pm

3 stops23h 51m

Osaka Itami

Wed 5/13

2:00 pm-9:55 pm

2 stops20h 55m

$1,279

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/22

7:44 am-7:50 pm

2 stops23h 06m

Osaka Itami

Thu 10/8

8:25 am-4:13 pm

2 stops20h 48m

$1,333
Quickest round-trip

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 4/27

11:36 am-8:30 pm

2 stops19h 54m

Osaka Itami

Wed 5/13

10:15 am-3:45 pm

2 stops18h 30m

$1,366

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Sat 9/5

6:59 pm-5:05 pm

2 stops33h 06m

Osaka Itami

Mon 9/14

12:50 pm-6:55 am

2 stops31h 05m

$1,385

BaltimoreOsaka

BWI - ITM

BWIITM

Baltimore/Washington

Fri 9/11

7:00 am-5:05 pm

2 stops45h 05m

Osaka Itami

Fri 9/18

12:50 pm-11:45 am

3 stops35h 55m

$1,435

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 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

19h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Osaka Itami Airport takes 19h 50m
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

Frequently asked questions about flying from Washington, D.C. to Osaka Itami Airport

  • 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 19h 50m.

  • 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
1,169 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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