$1,246 Cheap Flights from Washington (IAD) to Newcastle (NTL)

View $1,246 flight on Sat, Oct 11, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Newcastle (IAD-NTL)

Prices were available within the past 7 days and start at $1,246 for one-way flights and $1,825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 13 - Mon, Oct 20
IAD
Washington
NTL
Newcastle
$1,825 Roundtrip, found 3 days ago
$1,825
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 13 from Washington to Newcastle, returning Mon, Oct 20, priced at $1,825 found 3 days ago
United
Mon, Oct 13 - Tue, Oct 21
IAD
Washington
NTL
Newcastle
$1,828 Roundtrip, found 3 days ago
$1,828
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 13 from Washington to Newcastle, returning Tue, Oct 21, priced at $1,828 found 3 days ago
United
Sun, Oct 12 - Mon, Oct 20
IAD
Washington
NTL
Newcastle
$1,841 Roundtrip, found 3 days ago
$1,841
Roundtrip
found 3 days ago
Select United flight, departing Sun, Oct 12 from Washington to Newcastle, returning Mon, Oct 20, priced at $1,841 found 3 days ago
United
Sun, Oct 12 - Tue, Oct 21
IAD
Washington
NTL
Newcastle
$1,844 Roundtrip, found 3 days ago
$1,844
Roundtrip
found 3 days ago
Select United flight, departing Sun, Oct 12 from Washington to Newcastle, returning Tue, Oct 21, priced at $1,844 found 3 days ago
United
Sat, Oct 11 - Sat, Oct 18
IAD
Washington
NTL
Newcastle
$1,845 Roundtrip, found 3 days ago
$1,845
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 11 from Washington to Newcastle, returning Sat, Oct 18, priced at $1,845 found 3 days ago
United
Sat, Oct 11 - Sat, Oct 18
IAD
Washington
NTL
Newcastle
$1,845 Roundtrip, found 3 days ago
$1,845
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 11 from Washington to Newcastle, returning Sat, Oct 18, priced at $1,845 found 3 days ago
United
Sat, Oct 11 - Sat, Oct 18
IAD
Washington
NTL
Newcastle
$1,848 Roundtrip, found 3 days ago
$1,848
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 11 from Washington to Newcastle, returning Sat, Oct 18, priced at $1,848 found 3 days ago
United
Wed, Oct 8 - Fri, Oct 17
IAD
Washington
NTL
Newcastle
$1,872 Roundtrip, found 3 days ago
$1,872
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 8 from Washington to Newcastle, returning Fri, Oct 17, priced at $1,872 found 3 days ago
Qatar Airways
Fri, Oct 10 - Wed, Oct 15
IAD
Washington
NTL
Newcastle
$2,254 Roundtrip, found 2 days ago
$2,254
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Fri, Oct 10 from Washington to Newcastle, returning Wed, Oct 15, priced at $2,254 found 2 days ago
Qantas Airways
Sat, Oct 11 - Sat, Oct 18
IAD
Washington
NTL
Newcastle
$3,378 Roundtrip, found 3 days ago
$3,378
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Sat, Oct 11 from Washington to Newcastle, returning Sat, Oct 18, priced at $3,378 found 3 days ago
Flights from Washington (IAD) to Newcastle (NTL)
Origin airport
Washington Dulles Intl.
Destination airport
Williamtown
Roundtrip price
$1,825
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 October. 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 $1,246 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?
Discover the latest flight deals from IAD to NTL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to NTL?
The cheapest flights from IAD to NTL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to NTL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to NTL. Sort your results by "Price (lowest to highest)" to snap up 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.

Explore a world of travel with Expedia

*Available to One Key members.