$941 Cheap Flights from Nagasaki (NGS) to Washington (IAD)

View $941 flight on Mon, Feb 16, 2026Opens in a new window

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

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Cheap Flights from Nagasaki to Washington (NGS-IAD)

Prices were available within the past 7 days and start at $941 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $941 or cheap return flight from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from NGS to IAD is , when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from NGS to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD)?
You'll have to book a flight with a layover when traveling from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from NGS to IAD?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from NGS to IAD are typically more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a NGS to IAD flight and hotel package?
You'll typically save money by booking a NGS to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Nagasaki Airport (NGS) to Washington Dulles Intl. Airport (IAD)?
If you reserved your NGS to IAD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, 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 if you want more information.

Travel information

Origin airport
Nagasaki
Destination airport
Washington Dulles Intl.
Distance
7169 mi

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Nagasaki to Washington Flights

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

 

The best time to book a flight from Nagasaki to Washington

Sunday is one of the best days to book for cheap flights from Nagasaki 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 Nagasaki 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 Nagasaki to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $941 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 Nagasaki 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 Nagasaki 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.

 

Nagasaki to Washington Flights

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*Available to One Key members.