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Cheap flights from Washington, D.C. Reagan-National Airport to Osaka from $488

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 9/15. 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

Japan Airlines Logo
10:45 pm - 9:35 amDCA-ITM
21h 50m2 stops
Japan Airlines Logo
7:30 am - 2:24 pmITM-DCA
19h 54m2 stops
$1,077Japan Airlines
Find Deal
Sun, Sep 21 - Thu, Oct 2
Japan Airlines Logo
10:45 pm - 8:35 amDCA-ITM
20h 50m2 stops
Japan Airlines Logo
8:30 am - 2:24 pmITM-DCA
18h 54m2 stops
$1,078Japan Airlines
Find Deal
Sun, Sep 21 - Fri, Oct 3
United Airlines Logo
7:00 am - 6:10 pmDCA-ITM
21h 10m2 stops
United Airlines Logo
1:00 pm - 10:42 pmITM-DCA
23h 42m2 stops
$1,127United Airlines
Find Deal
Mon, Nov 10 - Thu, Nov 20
Air Canada Logo
6:59 am - 7:10 pmDCA-ITM
23h 11m2 stops
Air Canada Logo
3:00 pm - 10:34 pmITM-DCA
20h 34m2 stops
$1,132Air Canada
Find Deal
Sun, Sep 14 - Sun, Sep 21
ANA Logo
8:30 am - 8:15 pmDCA-ITM
22h 45m2 stops
ANA Logo
7:30 am - 2:16 pmITM-DCA
19h 46m2 stops
$1,153ANA
Find Deal
Mon, Sep 29 - Fri, Oct 10
United Airlines Logo
7:00 am - 5:05 pmDCA-ITM
21h 05m2 stops
United Airlines Logo
12:00 pm - 9:03 pmITM-DCA
22h 03m2 stops
$1,177United Airlines
Find Deal
Mon, Sep 29 - Sat, Oct 11
Air Canada Logo
9:40 am - 6:55 pmDCA-ITM
20h 15m2 stops
Air Canada Logo
3:00 pm - 10:34 pmITM-DCA
20h 34m2 stops
$1,181Air Canada
Find Deal
Tue, Sep 30 - Tue, Oct 7
American Airlines Logo
10:45 pm - 8:35 amDCA-ITM
20h 50m2 stops
American Airlines Logo
8:30 am - 2:24 pmITM-DCA
18h 54m2 stops
$1,202American Airlines
Find Deal
Sat, Sep 6 - Fri, Sep 19
American Airlines Logo
6:45 am - 7:05 pmDCA-ITM
23h 20m2 stops
American Airlines Logo
8:30 am - 2:28 pmITM-DCA
18h 58m2 stops
$1,335American Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
ANA Logo
8:30 am - 6:55 pmDCA-ITM
21h 25m2 stops
ANA Logo
8:00 am - 2:16 pmITM-DCA
19h 16m2 stops
$2,669ANA
Find Deal
Fri, Sep 19 - Fri, Sep 26

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Osaka Itami Airport flight tickets
United Airlines
Nov 10
DCA7:00 amWashington, D.C. Reagan-National
21h 10m
2 stops
ITM6:10 pmOsaka Itami
Nov 20
ITM1:00 pmOsaka Itami
23h 42m
2 stops
DCA10:42 pmWashington, D.C. Reagan-National
$1,127
Find similar
United Airlines
Sep 29
DCA7:00 amWashington, D.C. Reagan-National
21h 05m
2 stops
ITM5:05 pmOsaka Itami
Oct 11
ITM12:00 pmOsaka Itami
22h 03m
2 stops
DCA9:03 pmWashington, D.C. Reagan-National
$1,177
Find similar
United Airlines
Sep 29
DCA7:00 amWashington, D.C. Reagan-National
21h 05m
2 stops
ITM5:05 pmOsaka Itami
Oct 12
ITM12:00 pmOsaka Itami
22h 37m
2 stops
DCA9:37 pmWashington, D.C. Reagan-National
$1,178
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
Sep 14
DCA6:59 amWashington, D.C. Reagan-National
23h 11m
2 stops
ITM7:10 pmOsaka Itami
Sep 21
ITM3:00 pmOsaka Itami
20h 34m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$1,132
Find similar
Air Canada
Sep 30
DCA9:40 amWashington, D.C. Reagan-National
20h 15m
2 stops
ITM6:55 pmOsaka Itami
Oct 7
ITM3:00 pmOsaka Itami
20h 34m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$1,181
Find similar
Air Canada
Sep 17
DCA6:59 amWashington, D.C. Reagan-National
23h 11m
2 stops
ITM7:10 pmOsaka Itami
Sep 22
ITM1:00 pmOsaka Itami
22h 34m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$1,952
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 August 17, 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

Sun 9/21

10:45 pm-9:35 am

2 stops21h 50m

Osaka Itami

Thu 10/2

7:30 am-2:24 pm

2 stops19h 54m

$1,077

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 9/21

10:45 pm-8:35 am

2 stops20h 50m

Osaka Itami

Fri 10/3

8:30 am-2:24 pm

2 stops18h 54m

$1,078

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 11/10

7:00 am-6:10 pm

2 stops21h 10m

Osaka Itami

Thu 11/20

1:00 pm-10:42 pm

2 stops23h 42m

$1,127

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sun 9/14

6:59 am-7:10 pm

2 stops23h 11m

Osaka Itami

Sun 9/21

3:00 pm-10:34 pm

2 stops20h 34m

$1,132

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 9/29

8:30 am-8:15 pm

2 stops22h 45m

Osaka Itami

Fri 10/10

7:30 am-2:16 pm

2 stops19h 46m

$1,153

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 9/29

7:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Sat 10/11

12:00 pm-9:03 pm

2 stops22h 03m

$1,177

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Tue 9/30

9:40 am-6:55 pm

2 stops20h 15m

Osaka Itami

Tue 10/7

3:00 pm-10:34 pm

2 stops20h 34m

$1,181

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Sat 9/6

10:45 pm-8:35 am

2 stops20h 50m

Osaka Itami

Fri 9/19

8:30 am-2:24 pm

2 stops18h 54m

$1,202

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Mon 9/29

6:45 am-7:05 pm

2 stops23h 20m

Osaka Itami

Mon 10/6

8:30 am-2:28 pm

2 stops18h 58m

$1,335

Washington, D.C.Osaka

DCA - ITM

DCAITM

Washington, D.C. Reagan-National

Fri 9/19

8:30 am-6:55 pm

2 stops21h 25m

Osaka Itami

Fri 9/26

8:00 am-2:16 pm

2 stops19h 16m

$2,669

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Best Price Found

$488

Fastest flight time

19h 50m

Direct flights

None
The best one-way flight to Osaka Itami Airport from Washington, D.C. Reagan-National Airport in the past 72 hours is $488. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Osaka Itami Airport found on momondo in the last 72 hours is $1,077.
The fastest flight from Washington, D.C. Reagan-National Airport to Osaka Itami Airport takes 19h 50m
There are no direct flights from Washington, D.C. Reagan-National Airport to Osaka Itami Airport. Popular non-direct route for this connection is Washington, D.C. Reagan-National Airport - Osaka Itami Airport.
Search flight deals

  • 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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