$690 Cheap Flights from Washington (IAD) to Nagasaki (NGS)

View $690 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)

Cheap Flights from Washington to Nagasaki (IAD-NGS)

Prices were available within the past 7 days and start at $690 for one-way flights and $1,216 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Tue, Dec 2 - Wed, Jan 14
IAD
Washington
NGS
Nagasaki
$1,216 Roundtrip, found 3 hours ago
$1,216
Roundtrip
found 3 hours ago
Select All Nippon Airways flight, departing Tue, Dec 2 from Washington to Nagasaki, returning Wed, Jan 14, priced at $1,216 found 3 hours ago
All Nippon Airways
Sun, Nov 30 - Wed, Jan 14
IAD
Washington
NGS
Nagasaki
$1,221 Roundtrip, found 21 hours ago
$1,221
Roundtrip
found 21 hours ago
Select All Nippon Airways flight, departing Sun, Nov 30 from Washington to Nagasaki, returning Wed, Jan 14, priced at $1,221 found 21 hours ago
All Nippon Airways
Tue, Dec 2 - Wed, Jan 14
IAD
Washington
NGS
Nagasaki
$1,226 Roundtrip, found 3 hours ago
$1,226
Roundtrip
found 3 hours ago
Select All Nippon Airways flight, departing Tue, Dec 2 from Washington to Nagasaki, returning Wed, Jan 14, priced at $1,226 found 3 hours ago
All Nippon Airways
Sun, Nov 30 - Wed, Jan 14
IAD
Washington
NGS
Nagasaki
$1,231 Roundtrip, found 21 hours ago
$1,231
Roundtrip
found 21 hours ago
Select All Nippon Airways flight, departing Sun, Nov 30 from Washington to Nagasaki, returning Wed, Jan 14, priced at $1,231 found 21 hours ago
All Nippon Airways
Wed, Dec 3 - Mon, Jan 12
IAD
Washington
NGS
Nagasaki
$1,266 Roundtrip, found 3 hours ago
$1,266
Roundtrip
found 3 hours ago
Select All Nippon Airways flight, departing Wed, Dec 3 from Washington to Nagasaki, returning Mon, Jan 12, priced at $1,266 found 3 hours ago
All Nippon Airways
Fri, Sep 11 - Sun, Sep 20
IAD
Washington
NGS
Nagasaki
$1,271 Roundtrip, found 6 days ago
$1,271
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Fri, Sep 11 from Washington to Nagasaki, returning Sun, Sep 20, priced at $1,271 found 6 days ago
United
Fri, Sep 11 - Sun, Sep 20
IAD
Washington
NGS
Nagasaki
$1,300 Roundtrip, found 6 days ago
$1,300
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 11 from Washington to Nagasaki, returning Sun, Sep 20, priced at $1,300 found 6 days ago
Air Canada
Fri, Jan 30 - Thu, Feb 5
IAD
Washington
NGS
Nagasaki
$1,344 Roundtrip, found 19 hours ago
$1,344
Roundtrip
found 19 hours ago
Select Air Canada flight, departing Fri, Jan 30 from Washington to Nagasaki, returning Thu, Feb 5, priced at $1,344 found 19 hours ago
Lufthansa
Tue, Dec 9 - Tue, Jan 13
IAD
Washington
NGS
Nagasaki
$2,129 Roundtrip, found 2 days ago
$2,129
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Dec 9 from Washington to Nagasaki, returning Tue, Jan 13, priced at $2,129 found 2 days ago
American Airlines
Tue, May 19 - Mon, May 25
IAD
Washington
NGS
Nagasaki
$2,442 Roundtrip, found 1 day ago
$2,442
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from Washington to Nagasaki, returning Mon, May 25, priced at $2,442 found 1 day ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS) cost?
Grab a cheap one-way flight from $690 or cheap return flight from $1,216 from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)?
December is the cheapest month to fly from IAD to NGS. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)?
To find the cheapest airline that'll fly you from IAD to NGS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)?
You'll need to hop on a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAD to NGS?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)?
To land at Nagasaki Airport (NGS) without delays, choose a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS) last-minute?
Booking your flight from IAD to NGS just before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an IAD to NGS flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to NGS flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Nagasaki Airport (NGS)?
If you booked your IAD to NGS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Nagasaki
Airlines serving
All Nippon Airways, American Airlines, Lufthansa, Qatar Airways
Roundtrip price
$1,216
Distance
7169 mi

Book with confidence

Washington to Nagasaki Flights

The cheapest times to fly from Washington to Nagasaki

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 Washington to Nagasaki are during the month of December. You can find some of the cheapest flights from Washington to Nagasaki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Nagasaki

Sunday is one of the best days to book for cheap flights from Washington to Nagasaki: 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 Washington to Nagasaki

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 Washington to Nagasaki in 2025. You can also book with separate airlines for your outbound and return journeys, from $690 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 Washington to Nagasaki 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 Washington to Nagasaki 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.

 

Washington to Nagasaki Flights

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*Available to One Key members.