$1,090 Cheap Flights from Washington (IAD) to Newcastle (NTL)

View $1,090 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Newcastle, NSW (NTL-Williamtown)

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Cheap Flights from Washington to Newcastle (IAD-NTL)

Prices were available within the past 7 days and start at $1,090 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Washington (IAD) to Newcastle (NTL)
Origin airport
Washington Dulles Intl.
Destination airport
Williamtown
Distance
9678 mi

Washington to Newcastle Flights

The cheapest times to fly from Washington to Newcastle

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

 

The best time to book a flight from Washington to Newcastle

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

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 Newcastle in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,090 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 Newcastle 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 Newcastle 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL) cost?
Get a cheap one-way flight from $1,090 or cheap return flight from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL) 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 Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between IAD and NTL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAD to NTL. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL)?
You'll have to book a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to NTL?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change depending 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 Williamtown Airport (NTL)?
To touch down at Williamtown Airport (NTL) on schedule, select a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance 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 Williamtown Airport (NTL) last-minute?
Booking your flight from IAD to NTL shortly before your getaway is typically 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 NTL flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to NTL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Williamtown Airport (NTL)?
Typically, you can modify or cancel your IAD to NTL flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.