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Cheap flights from Washington, D.C. to Osaka from $556

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 4/16. 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
9:40 am - 6:55 pm
DCA
-
ITM
20h 15m
2 stops
Air Canada Logo
2:00 pm - 10:18 am
ITM
-
DCA
33h 18m
2 stops
$1,168Air Canada
Mon, Aug 31 - Fri, Sep 4
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
$1,168Air Canada
Mon, Sep 7 - Thu, Sep 10
Multiple Airlines Logo
9:45 am - 6:55 pm
IAD
-
ITM
20h 10m
2 stops
Multiple Airlines Logo
2:05 pm - 8:54 pm
ITM
-
IAD
20h 49m
2 stops
$1,218Multiple Airlines
Tue, Aug 18 - Sat, Dec 19
Japan Airlines Logo
10:55 am - 8:25 pm
DCA
-
ITM
20h 30m
2 stops
Japan Airlines Logo
2:40 pm - 8:16 pm
ITM
-
DCA
19h 36m
2 stops
$1,250Japan Airlines
Tue, Aug 18 - Sat, Dec 19
ANA Logo
12:15 pm - 7:10 pm
IAD
-
ITM
17h 55m
1 stop
ANA Logo
7:30 am - 9:10 am
ITM
-
IAD
15h 40m
1 stop
$1,254ANA
Tue, Aug 18 - Sat, Dec 19
ANA Logo
12:30 pm - 8:35 pm
IAD
-
ITM
19h 05m
1 stop
ANA Logo
12:55 pm - 2:03 pm
ITM
-
IAD
38h 08m
2 stops
$1,263ANA
Sun, May 3 - Thu, May 14
United Airlines Logo
5:48 pm - 5:05 pm
IAD
-
ITM
34h 17m
2 stops
United Airlines Logo
1:00 pm - 3:40 pm
ITM
-
IAD
16h 40m
1 stop
$1,265United Airlines
Tue, Aug 18 - Sat, Dec 19
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
$1,275Air Canada
Sun, Aug 30 - Thu, Sep 3
United Airlines Logo
12:40 pm - 5:05 pm
DCA
-
ITM
39h 25m
3 stops
United Airlines Logo
12:50 pm - 3:55 pm
ITM
-
DCA
40h 05m
2 stops
$1,290United Airlines
Sun, Aug 16 - Wed, Aug 26
Japan Airlines Logo
7:00 am - 7:50 pm
DCA
-
ITM
23h 50m
2 stops
Japan Airlines Logo
7:05 am - 6:58 pm
ITM
-
DCA
24h 53m
2 stops
$1,318Japan Airlines
Sun, May 3 - Thu, May 14

Air Canada flights from Washington, D.C. to Osaka Itami Airport

Our best Air Canada deals on Washington, D.C. to Osaka Itami Airport flight tickets
Air Canada
Aug 31
DCA9:40 amWashington, D.C. Reagan-National
20h 15m
2 stops
ITM6:55 pmOsaka Itami
Sep 4
ITM2:00 pmOsaka Itami
33h 18m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$1,168
Air Canada
Aug 30
IAD3:45 pmWashington, D.C. Dulles Intl
38h 10m
2 stops
ITM6:55 pmOsaka Itami
Sep 3
ITM2:00 pmOsaka Itami
38h 01m
2 stops
IAD3:01 pmWashington, D.C. Dulles Intl
$1,275
Air Canada
Sep 13
DCA6:00 amWashington, D.C. Reagan-National
23h 55m
2 stops
ITM6:55 pmOsaka Itami
Sep 18
ITM3:00 pmOsaka Itami
20h 34m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$1,414

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
Aug 18
DCA10:55 amWashington, D.C. Reagan-National
20h 30m
2 stops
ITM8:25 pmOsaka Itami
Dec 19
ITM2:40 pmOsaka Itami
19h 36m
2 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,250
Japan Airlines
May 3
DCA7:00 amWashington, D.C. Reagan-National
23h 50m
2 stops
ITM7:50 pmOsaka Itami
May 14
ITM7:05 amOsaka Itami
24h 53m
2 stops
DCA6:58 pmWashington, D.C. Reagan-National
$1,318
Japan Airlines
May 5
DCA8:28 amWashington, D.C. Reagan-National
22h 22m
2 stops
ITM7:50 pmOsaka Itami
May 12
ITM10:15 amOsaka Itami
18h 30m
2 stops
DCA3:45 pmWashington, D.C. Reagan-National
$1,341

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 24, 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

Mon 8/31

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Fri 9/4

2:00 pm-10:18 am

2 stops33h 18m

$1,168

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Mon 9/7

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Thu 9/10

2:00 pm-3:00 pm

2 stops38h 00m

$1,168

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 8/18

9:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Sat 12/19

2:05 pm-8:54 pm

2 stops20h 49m

$1,218

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 8/18

10:55 am-8:25 pm

2 stops20h 30m

Osaka Itami

Sat 12/19

2:40 pm-8:16 pm

2 stops19h 36m

$1,250
Quickest round-trip

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 8/18

12:15 pm-7:10 pm

1 stop17h 55m

Osaka Itami

Sat 12/19

7:30 am-9:10 am

1 stop15h 40m

$1,254

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Sun 5/3

12:30 pm-8:35 pm

1 stop19h 05m

Osaka Itami

Thu 5/14

12:55 pm-2:03 pm

2 stops38h 08m

$1,263

Washington, D.C.Osaka

IAD - ITM

IADITM

Washington, D.C. Dulles Intl

Tue 8/18

5:48 pm-5:05 pm

2 stops34h 17m

Osaka Itami

Sat 12/19

1:00 pm-3:40 pm

1 stop16h 40m

$1,265

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

$1,275

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 8/16

12:40 pm-5:05 pm

3 stops39h 25m

Osaka Itami

Wed 8/26

12:50 pm-3:55 pm

2 stops40h 05m

$1,290

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 5/3

7:00 am-7:50 pm

2 stops23h 50m

Osaka Itami

Thu 5/14

7:05 am-6:58 pm

2 stops24h 53m

$1,318

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?

Japan Airlines and United 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
1,142 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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