$674 Cheap Flights from Osaka (ITM) to Washington (IAD)

View $674 flight on Tue, Nov 24, 2026Opens in a new window

Popular airlines from Itami Airport (ITM) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Osaka to Washington (ITM-IAD)

Prices were available within the past 7 days and start at $674 for one-way flights and $1,711 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jun 30 - Fri, Jul 10
ITM
Osaka
IAD
Washington
$1,711 Roundtrip, found 15 hours ago
$1,711
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jun 30 from Osaka to Washington, returning Fri, Jul 10, priced at $1,711 found 15 hours ago
American Airlines
Tue, Jun 30 - Fri, Jul 10
ITM
Osaka
IAD
Washington
$1,711 Roundtrip, found 15 hours ago
$1,711
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jun 30 from Osaka to Washington, returning Fri, Jul 10, priced at $1,711 found 15 hours ago
Japan Airlines
Tue, Jun 30 - Fri, Jul 10
ITM
Osaka
IAD
Washington
$1,715 Roundtrip, found 15 hours ago
$1,715
Roundtrip
found 15 hours ago
Select Japan Airlines flight, departing Tue, Jun 30 from Osaka to Washington, returning Fri, Jul 10, priced at $1,715 found 15 hours ago
Japan Airlines
Tue, Jun 30 - Fri, Jul 10
ITM
Osaka
IAD
Washington
$1,718 Roundtrip, found 15 hours ago
$1,718
Roundtrip
found 15 hours ago
Select Japan Airlines flight, departing Tue, Jun 30 from Osaka to Washington, returning Fri, Jul 10, priced at $1,718 found 15 hours ago
All Nippon Airways
Tue, Sep 15 - Wed, Sep 30
ITM
Osaka
IAD
Washington
$1,723 Roundtrip, found 2 days ago
$1,723
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Tue, Sep 15 from Osaka to Washington, returning Wed, Sep 30, priced at $1,723 found 2 days ago
Japan Airlines
Wed, Sep 23 - Sat, Oct 17
ITM
Osaka
IAD
Washington
$1,734 Roundtrip, found 5 days ago
$1,734
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Wed, Sep 23 from Osaka to Washington, returning Sat, Oct 17, priced at $1,734 found 5 days ago
All Nippon Airways
Wed, Sep 23 - Sat, Oct 17
ITM
Osaka
IAD
Washington
$1,736 Roundtrip, found 5 days ago
$1,736
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Wed, Sep 23 from Osaka to Washington, returning Sat, Oct 17, priced at $1,736 found 5 days ago
Japan Airlines
Wed, Nov 4 - Sun, Nov 8
ITM
Osaka
IAD
Washington
$1,742 Roundtrip, found 5 days ago
$1,742
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Wed, Nov 4 from Osaka to Washington, returning Sun, Nov 8, priced at $1,742 found 5 days ago
Air Canada
Sun, Dec 20 - Sat, Jan 2
ITM
Osaka
IAD
Washington
$1,753 Roundtrip, found 6 days ago
$1,753
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Dec 20 from Osaka to Washington, returning Sat, Jan 2, priced at $1,753 found 6 days ago
United
Tue, Jun 30 - Fri, Jul 10
ITM
Osaka
IAD
Washington
$1,995 Roundtrip, found 15 hours ago
$1,995
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Jun 30 from Osaka to Washington, returning Fri, Jul 10, priced at $1,995 found 15 hours ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $2,023
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $2,023

Frequently asked questions

How much does a flight from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $674 and cheap return flights from $1,711 Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights usually range from $1073 to $3564, and return flights typically cost between $1725 and $6116. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
The cheapest month to fly from ITM to IAD is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter ITM to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Osaka (Itami) to Washington, DC (Washington Dulles Intl.) usually departs at around 7:05 AM, operated by Japan Airlines and American Airlines. This seasonal service is active in April, giving you a head start on your travels to the U.S. capital. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Osaka (ITM) to Washington, DC (IAD) are in the early afternoon, from 12pm to 3pm. About 42% of passengers prefer this time window. Many major carriers, including Japan Airlines and Delta, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
Flights from ITM to IAD with one stop typically take around 15 hours 50 minutes, covering approximately 6,926 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
Business class seats are offered on the ITM to IAD route with Japan Airlines.
How do I earn miles on a Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Itami (ITM)?
When traveling from Itami (ITM) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Haneda (HND), Narita Intl. (NRT), New Chitose (CTS) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Osaka (ITM-Itami) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Itami
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Japan Airlines, Qatar Airways, United
Roundtrip price
$1,710
Distance
6924 mi

Book with confidence

Osaka to Washington Flights

The cheapest times to fly from Osaka to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Osaka to Washington are during the month of June. You can find some of the cheapest flights from Osaka to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Osaka to Washington

Sunday is one of the best days to book for cheap flights from Osaka to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Osaka to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Osaka to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $674 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Osaka to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Osaka to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Osaka to Washington Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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