$586 Cheap Flights from Denver (DEN) to Newcastle (NTL)

View $586 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Newcastle, NSW (NTL-Williamtown)

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Cheap Flights from Denver to Newcastle (DEN-NTL)

Prices were available within the past 7 days and start at $586 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 Denver Intl. Airport (DEN) to Williamtown Airport (NTL) cost?
Get a cheap one-way flight from $586 or cheap return flight from Denver Intl. Airport (DEN) to Williamtown Airport (NTL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Williamtown Airport (NTL)?
The cheapest month to fly from DEN to NTL is , when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Williamtown Airport (NTL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DEN to NTL flight.
How many flights per day from Denver Intl. Airport (DEN) to Williamtown Airport (NTL)?
You'll have to hop on a flight with a layover when traveling from Denver Intl. Airport (DEN) to Williamtown Airport (NTL). There are no daily direct flights on this route. However, just 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 DEN to NTL?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Williamtown Airport (NTL)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Williamtown Airport (NTL) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN) to Williamtown Airport (NTL) last-minute?
Booking your flight from DEN to NTL just before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a DEN to NTL flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEN to NTL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Williamtown Airport (NTL)?
If you booked your DEN to NTL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Denver Intl.
Destination airport
Williamtown
Distance
8280 mi

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Denver to Newcastle Flights

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

 

The best time to book a flight from Denver to Newcastle

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Newcastle in 2025. You can also book with separate airlines for your outbound and return journeys, from $586 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 Denver 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 Denver 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.

 

Denver to Newcastle Flights

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*Available to One Key members.