$1,296 Cheap Flights from Newcastle (NTL) to Washington (IAD)

View $1,296 flight on Mon, Dec 1, 2025Opens in a new window

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

Cheap Flights from Newcastle to Washington (NTL-IAD)

Prices were available within the past 7 days and start at $1,296 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 Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $1,296 or cheap return flight from Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD)?
Planning your getaway for can help you save, as it's the cheapest month for flights between NTL and IAD. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from NTL to IAD, use Expedia's filter tool. Customize your search based on what's important to you, 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 Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily nonstop flights from Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from NTL to IAD?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Flights after this time are 22% more likely to be 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 Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from NTL to IAD right before your trip is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a NTL to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a NTL to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, 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 Williamtown Airport (NTL) to Washington Dulles Intl. Airport (IAD)?
It's generally possible to reschedule or cancel your NTL to IAD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Williamtown
Destination airport
Washington Dulles Intl.
Distance
9678 mi

Book with confidence

Newcastle to Washington Flights

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

 

The best time to book a flight from Newcastle to Washington

Sunday is one of the best days to book for cheap flights from Newcastle 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 Newcastle 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 Newcastle to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,296 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 Newcastle 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 Newcastle 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.

 

Newcastle to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.