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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $598

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. Reagan-National Airport to Osaka departing on 12/3. 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 Washington, D.C. Reagan-National Airport to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
8:29 am - 7:50 pmDCA-ITM
22h 21m2 stops
Japan Airlines Logo
2:40 pm - 6:44 pmITM-DCA
18h 04m2 stops
$1,168Japan Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 11
Japan Airlines Logo
8:35 am - 7:50 pmDCA-ITM
21h 15m2 stops
Japan Airlines Logo
7:25 am - 12:46 pmITM-DCA
19h 21m2 stops
$1,193Japan Airlines
Find Deal
Tue, Nov 18 - Thu, Dec 4
Multiple Airlines Logo
6:00 am - 5:10 pmDCA-ITM
21h 10m2 stops
Multiple Airlines Logo
3:00 pm - 8:55 pmITM-DCA
19h 55m2 stops
$1,214Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 26
Multiple Airlines Logo
7:00 am - 5:10 pmDCA-ITM
20h 10m2 stops
Multiple Airlines Logo
3:00 pm - 8:38 pmITM-DCA
19h 38m2 stops
$1,221Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 25
Air Canada Logo
6:59 am - 8:15 pmDCA-ITM
24h 16m2 stops
Air Canada Logo
2:00 pm - 10:35 pmITM-DCA
22h 35m2 stops
$1,283Air Canada
Find Deal
Mon, Oct 20 - Wed, Dec 24
Air Canada Logo
6:59 am - 7:10 pmDCA-ITM
23h 11m2 stops
Air Canada Logo
4:00 pm - 10:35 pmITM-DCA
20h 35m2 stops
$1,343Air Canada
Find Deal
Tue, Oct 21 - Wed, Dec 24
United Airlines Logo
7:00 am - 5:05 pmDCA-ITM
21h 05m2 stops
United Airlines Logo
1:00 pm - 8:38 pmITM-DCA
21h 38m2 stops
$1,381United Airlines
Find Deal
Sun, Oct 19 - Thu, Dec 11
American Airlines Logo
8:35 am - 7:50 pmDCA-ITM
21h 15m2 stops
American Airlines Logo
2:40 pm - 6:44 pmITM-DCA
18h 04m2 stops
$1,432American Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
United Airlines Logo
7:00 am - 5:05 pmDCA-ITM
21h 05m2 stops
United Airlines Logo
1:00 pm - 9:55 pmITM-DCA
21h 55m2 stops
$1,481United Airlines
Find Deal
Fri, Oct 24 - Sat, Nov 1
American Airlines Logo
10:45 pm - 8:35 amDCA-ITM
20h 50m2 stops
American Airlines Logo
8:25 am - 4:13 pmITM-DCA
20h 48m2 stops
$2,218American Airlines
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Thu, Oct 23 - Mon, Oct 27

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

Our best Japan Airlines deals on Washington, D.C. Reagan-National Airport to Osaka Itami Airport flight tickets
Japan Airlines
Oct 28
DCA8:29 amWashington, D.C. Reagan-National
22h 21m
2 stops
ITM7:50 pmOsaka Itami
Nov 11
ITM2:40 pmOsaka Itami
18h 04m
2 stops
DCA6:44 pmWashington, D.C. Reagan-National
$1,168
Find similar
Japan Airlines
Nov 18
DCA8:35 amWashington, D.C. Reagan-National
21h 15m
2 stops
ITM7:50 pmOsaka Itami
Dec 4
ITM7:25 amOsaka Itami
19h 21m
2 stops
DCA12:46 pmWashington, D.C. Reagan-National
$1,193
Find similar
Japan Airlines
Nov 9
DCA6:59 amWashington, D.C. Reagan-National
23h 01m
2 stops
ITM8:00 pmOsaka Itami
Nov 19
ITM12:30 pmOsaka Itami
23h 29m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,194
Find similar

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Osaka Itami Airport flight tickets
Air Canada
Oct 20
DCA6:59 amWashington, D.C. Reagan-National
24h 16m
2 stops
ITM8:15 pmOsaka Itami
Dec 24
ITM2:00 pmOsaka Itami
22h 35m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$1,283
Find similar
Air Canada
Oct 21
DCA6:59 amWashington, D.C. Reagan-National
23h 11m
2 stops
ITM7:10 pmOsaka Itami
Dec 24
ITM4:00 pmOsaka Itami
20h 35m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$1,343
Find similar
Air Canada
Oct 19
DCA8:40 pmWashington, D.C. Reagan-National
33h 30m
2 stops
ITM7:10 pmOsaka Itami
Dec 11
ITM4:00 pmOsaka Itami
20h 35m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$1,344
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 October 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 10/28

8:29 am-7:50 pm

2 stops22h 21m

Osaka Itami

Tue 11/11

2:40 pm-6:44 pm

2 stops18h 04m

$1,168

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 11/18

8:35 am-7:50 pm

2 stops21h 15m

Osaka Itami

Thu 12/4

7:25 am-12:46 pm

2 stops19h 21m

$1,193

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Wed 11/12

6:00 am-5:10 pm

2 stops21h 10m

Osaka Itami

Wed 11/26

3:00 pm-8:55 pm

2 stops19h 55m

$1,214

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 11/11

7:00 am-5:10 pm

2 stops20h 10m

Osaka Itami

Tue 11/25

3:00 pm-8:38 pm

2 stops19h 38m

$1,221

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 10/20

6:59 am-8:15 pm

2 stops24h 16m

Osaka Itami

Wed 12/24

2:00 pm-10:35 pm

2 stops22h 35m

$1,283

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 10/21

6:59 am-7:10 pm

2 stops23h 11m

Osaka Itami

Wed 12/24

4:00 pm-10:35 pm

2 stops20h 35m

$1,343

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 10/19

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Thu 12/11

1:00 pm-8:38 pm

2 stops21h 38m

$1,381

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 11/2

8:35 am-7:50 pm

2 stops21h 15m

Osaka Itami

Sun 11/9

2:40 pm-6:44 pm

2 stops18h 04m

$1,432

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Fri 10/24

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Sat 11/1

1:00 pm-9:55 pm

2 stops21h 55m

$1,481

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Thu 10/23

10:45 pm-8:35 am

2 stops20h 50m

Osaka Itami

Mon 10/27

8:25 am-4:13 pm

2 stops20h 48m

$2,218

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. Reagan-National Airport 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 day to depart on your flight to Osaka Itami Airport?

The cheapest day to depart on your flight to Osaka Itami Airport is on a Friday when prices can be found for as low as $1,020. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Osaka Itami Airport is Saturday, with ticket prices averaging around $1,772.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Osaka Itami Airport (DCA to ITM) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Osaka Itami Airport.
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  • How far is Washington, D.C. Reagan-National to Osaka Itami by plane?

    The distance between Washington, D.C. Reagan-National and Osaka Itami is about 6936.8 mi. Typically, this will take 19h 50m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport refresh daily.

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

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

    The required travel and health documents for your Osaka Itami Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Itami Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Osaka from Washington, D.C..

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

All flight searches from Washington, D.C. to Osaka on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Osaka from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from Washington, D.C. and alert you when they change.

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