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Cheap flights from Osaka Itami Airport to Washington, D.C. from $571

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 1/17. 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.
Multiple Airlines Logo
2:40 pm - 6:06 amITM-IAD
29h 26m2 stops
Multiple Airlines Logo
11:10 am - 6:10 pmIAD-ITM
17h 00m1 stop
$1,408Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 19
United Airlines Logo
12:00 pm - 4:01 pmITM-IAD
41h 01m2 stops
United Airlines Logo
2:36 pm - 5:05 pmIAD-ITM
37h 29m2 stops
$1,551United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
12:00 pm - 11:57 pmITM-IAD
24h 57m2 stops
United Airlines Logo
2:36 pm - 5:05 pmIAD-ITM
37h 29m2 stops
$1,552United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
12:00 pm - 3:40 pmITM-IAD
16h 40m1 stop
United Airlines Logo
10:10 pm - 5:05 pmIAD-ITM
29h 55m2 stops
$1,564United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
12:00 pm - 3:40 pmITM-IAD
16h 40m1 stop
United Airlines Logo
10:10 pm - 5:05 pmIAD-ITM
29h 55m2 stops
$1,565United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
American Airlines Logo
8:30 am - 4:07 pmITM-IAD
44h 37m2 stops
American Airlines Logo
5:26 pm - 7:50 pmIAD-ITM
37h 24m2 stops
$1,569American Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
Air Canada Logo
3:00 pm - 8:26 pmITM-IAD
19h 26m2 stops
Air Canada Logo
9:00 am - 7:10 pmIAD-ITM
20h 10m2 stops
$1,771Air Canada
Find Deal
Fri, Dec 19 - Fri, Dec 26
ANA Logo
8:00 am - 9:10 amITM-IAD
15h 10m1 stop
ANA Logo
11:10 am - 7:10 pmIAD-ITM
18h 00m1 stop
$1,836ANA
Find Deal
Thu, Dec 18 - Thu, Dec 25
Air Canada Logo
4:00 pm - 8:26 pmITM-IAD
18h 26m2 stops
Air Canada Logo
10:06 pm - 7:10 pmIAD-ITM
31h 04m2 stops
$1,936Air Canada
Find Deal
Thu, Dec 18 - Thu, Dec 25
ANA Logo
7:30 am - 9:10 amITM-IAD
15h 40m1 stop
ANA Logo
11:10 am - 7:10 pmIAD-ITM
18h 00m1 stop
$1,966ANA
Find Deal
Thu, Dec 18 - Thu, Dec 25

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

Our best Air Canada deals on Osaka Itami Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Dec 19
ITM3:00 pmOsaka Itami
19h 26m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Dec 26
IAD9:00 amWashington, D.C. Dulles Intl
20h 10m
2 stops
ITM7:10 pmOsaka Itami
$1,771
Find similar
Air Canada
Dec 18
ITM4:00 pmOsaka Itami
18h 26m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Dec 25
IAD10:06 pmWashington, D.C. Dulles Intl
31h 04m
2 stops
ITM7:10 pmOsaka Itami
$1,936
Find similar
Air Canada
Dec 22
ITM4:00 pmOsaka Itami
19h 25m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Jan 2
IAD10:06 pmWashington, D.C. Dulles Intl
31h 04m
2 stops
ITM7:10 pmOsaka Itami
$2,383
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
Apr 14
ITM12:00 pmOsaka Itami
41h 01m
2 stops
IAD4:01 pmWashington, D.C. Dulles Intl
Apr 18
IAD2:36 pmWashington, D.C. Dulles Intl
37h 29m
2 stops
ITM5:05 pmOsaka Itami
$1,551
Find similar
United Airlines
Apr 14
ITM12:00 pmOsaka Itami
24h 57m
2 stops
IAD11:57 pmWashington, D.C. Dulles Intl
Apr 18
IAD2:36 pmWashington, D.C. Dulles Intl
37h 29m
2 stops
ITM5:05 pmOsaka Itami
$1,552
Find similar
United Airlines
Apr 14
ITM12:00 pmOsaka Itami
16h 40m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Apr 18
IAD10:10 pmWashington, D.C. Dulles Intl
29h 55m
2 stops
ITM5:05 pmOsaka Itami
$1,564
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 November 4, 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

Mon 12/15

2:40 pm-6:06 am

2 stops29h 26m

Washington, D.C. Dulles Intl

Mon 1/19

11:10 am-6:10 pm

1 stop17h 00m

$1,408

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

12:00 pm-4:01 pm

2 stops41h 01m

Washington, D.C. Dulles Intl

Sat 4/18

2:36 pm-5:05 pm

2 stops37h 29m

$1,551

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

12:00 pm-11:57 pm

2 stops24h 57m

Washington, D.C. Dulles Intl

Sat 4/18

2:36 pm-5:05 pm

2 stops37h 29m

$1,552

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

12:00 pm-3:40 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Sat 4/18

10:10 pm-5:05 pm

2 stops29h 55m

$1,564

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

12:00 pm-3:40 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Sat 4/18

10:10 pm-5:05 pm

2 stops29h 55m

$1,565

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Tue 4/14

8:30 am-4:07 pm

2 stops44h 37m

Washington, D.C. Dulles Intl

Sat 4/18

5:26 pm-7:50 pm

2 stops37h 24m

$1,569

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Fri 12/19

3:00 pm-8:26 pm

2 stops19h 26m

Washington, D.C. Dulles Intl

Fri 12/26

9:00 am-7:10 pm

2 stops20h 10m

$1,771

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 12/18

8:00 am-9:10 am

1 stop15h 10m

Washington, D.C. Dulles Intl

Thu 12/25

11:10 am-7:10 pm

1 stop18h 00m

$1,836

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 12/18

4:00 pm-8:26 pm

2 stops18h 26m

Washington, D.C. Dulles Intl

Thu 12/25

10:06 pm-7:10 pm

2 stops31h 04m

$1,936

OsakaWashington, D.C.

ITM - IAD

ITMIAD

Osaka Itami

Thu 12/18

7:30 am-9:10 am

1 stop15h 40m

Washington, D.C. Dulles Intl

Thu 12/25

11:10 am-7:10 pm

1 stop18h 00m

$1,966

Flights are sorted by cheapest round-trip flights first.

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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 75% 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

Direct flights

None
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.
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  • 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 15h 10m.

  • 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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