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Cheap flights from Osaka Itami Airport to Washington, D.C. from $727

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Osaka Itami Airport to Washington, D.C. departing on 2/10. 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 Osaka Itami Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:25 pm - 9:17 pm
ITM
-
IAD
19h 52m2 stops
American Airlines Logo
6:00 am - 8:40 am
IAD
-
ITM
36h 40m2 stops
$1,153American Airlines
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
3:25 pm - 8:29 pm
ITM
-
IAD
19h 04m2 stops
Multiple Airlines Logo
9:00 am - 8:05 pm
IAD
-
ITM
21h 05m2 stops
$1,428Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
United Airlines Logo
1:00 pm - 9:17 pm
ITM
-
IAD
22h 17m2 stops
United Airlines Logo
6:00 am - 6:10 pm
IAD
-
ITM
22h 10m2 stops
$1,700United Airlines
Fri, Jan 30 - Tue, Feb 3
ANA Logo
8:00 am - 9:10 am
ITM
-
IAD
15h 10m1 stop
ANA Logo
11:10 am - 6:10 pm
IAD
-
ITM
17h 00m1 stop
$1,761ANA
Thu, Feb 5 - Thu, Feb 12
ANA Logo
8:00 am - 9:10 am
ITM
-
IAD
15h 10m1 stop
ANA Logo
11:10 am - 6:10 pm
IAD
-
ITM
17h 00m1 stop
$1,768ANA
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
2:40 pm - 8:54 pm
ITM
-
IAD
20h 14m2 stops
Multiple Airlines Logo
11:10 am - 6:10 pm
IAD
-
ITM
17h 00m1 stop
$1,840Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
3:25 pm - 8:29 pm
ITM
-
IAD
19h 04m2 stops
Multiple Airlines Logo
11:10 am - 7:10 pm
IAD
-
ITM
18h 00m1 stop
$1,843Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
United Airlines Logo
1:00 pm - 9:17 pm
ITM
-
IAD
22h 17m2 stops
United Airlines Logo
11:10 am - 6:10 pm
IAD
-
ITM
17h 00m1 stop
$1,858United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:00 pm - 9:10 am
ITM
-
IAD
34h 10m1 stop
United Airlines Logo
6:00 am - 6:10 pm
IAD
-
ITM
22h 10m2 stops
$1,936United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:00 pm - 3:40 pm
ITM
-
IAD
16h 40m1 stop
United Airlines Logo
11:10 am - 6:10 pm
IAD
-
ITM
17h 00m1 stop
$2,119United Airlines
Fri, Jan 30 - Tue, Feb 3

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

Our best ANA deals on Osaka Itami Airport to Washington, D.C. Dulles Intl Airport flight tickets
ANA
Feb 5
ITM8:00 amOsaka Itami
15h 10m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 12
IAD11:10 amWashington, D.C. Dulles Intl
17h 00m
1 stop
ITM6:10 pmOsaka Itami
$1,761
Find similar
ANA
Feb 5
ITM8:00 amOsaka Itami
15h 10m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 12
IAD11:10 amWashington, D.C. Dulles Intl
17h 00m
1 stop
ITM6:10 pmOsaka Itami
$1,768
Find similar
ANA
May 14
ITM7:30 amOsaka Itami
15h 35m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
May 29
IAD3:30 pmWashington, D.C. Dulles Intl
26h 55m
2 stops
ITM7:25 amOsaka Itami
$3,412
Find similar

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

Our best United Airlines deals on Osaka Itami Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 30
ITM1:00 pmOsaka Itami
22h 17m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Feb 3
IAD6:00 amWashington, D.C. Dulles Intl
22h 10m
2 stops
ITM6:10 pmOsaka Itami
$1,700
Find similar
United Airlines
Jan 30
ITM1:00 pmOsaka Itami
22h 17m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Feb 3
IAD11:10 amWashington, D.C. Dulles Intl
17h 00m
1 stop
ITM6:10 pmOsaka Itami
$1,858
Find similar
United Airlines
Jan 30
ITM1:00 pmOsaka Itami
34h 10m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 3
IAD6:00 amWashington, D.C. Dulles Intl
22h 10m
2 stops
ITM6:10 pmOsaka Itami
$1,936
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Osaka Itami Airport to Washington, D.C. Dulles Intl 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 December 23, 2025.
Use the filters below to find and compare flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 1/30

3:25 pm-9:17 pm

2 stops19h 52m

Washington, D.C. Dulles Intl

Tue 2/3

6:00 am-8:40 am

2 stops36h 40m

$1,153

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/5

3:25 pm-8:29 pm

2 stops19h 04m

Washington, D.C. Dulles Intl

Thu 2/12

9:00 am-8:05 pm

2 stops21h 05m

$1,428

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 1/30

1:00 pm-9:17 pm

2 stops22h 17m

Washington, D.C. Dulles Intl

Tue 2/3

6:00 am-6:10 pm

2 stops22h 10m

$1,700

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/5

8:00 am-9:10 am

1 stop15h 10m

Washington, D.C. Dulles Intl

Thu 2/12

11:10 am-6:10 pm

1 stop17h 00m

$1,761

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/5

8:00 am-9:10 am

1 stop15h 10m

Washington, D.C. Dulles Intl

Thu 2/12

11:10 am-6:10 pm

1 stop17h 00m

$1,768

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/5

2:40 pm-8:54 pm

2 stops20h 14m

Washington, D.C. Dulles Intl

Thu 2/12

11:10 am-6:10 pm

1 stop17h 00m

$1,840

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 2/5

3:25 pm-8:29 pm

2 stops19h 04m

Washington, D.C. Dulles Intl

Thu 2/12

11:10 am-7:10 pm

1 stop18h 00m

$1,843

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 1/30

1:00 pm-9:17 pm

2 stops22h 17m

Washington, D.C. Dulles Intl

Tue 2/3

11:10 am-6:10 pm

1 stop17h 00m

$1,858

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 1/30

1:00 pm-9:10 am

1 stop34h 10m

Washington, D.C. Dulles Intl

Tue 2/3

6:00 am-6:10 pm

2 stops22h 10m

$1,936

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 1/30

1:00 pm-3:40 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Tue 2/3

11:10 am-6:10 pm

1 stop17h 00m

$2,119

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,638. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport for around $1,964.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Osaka Itami Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,638 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,966 on average. Flights to Washington, D.C. Dulles Intl Airport from Osaka Itami Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Osaka Itami Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 74% on your flight if you consider stops on a Osaka Itami Airport to Washington, D.C. Dulles Intl Airport flight.

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

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

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

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

Fastest flight time

21h 59m

Direct flights

None
The fastest flight from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport takes 21h 59m
There are no direct flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

    The straight-line distance from Osaka Itami to Washington, D.C. Dulles Intl is 6920.9 mi. In terms of flight time, this usually takes a little over 21h 59m.

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

    Prices for flights from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Osaka Itami Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

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

It is quick and easy to find Osaka to Washington, D.C. 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 Washington, D.C. that suits you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Osaka.

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

Of course. momondo tracks the price of Osaka to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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