$708 Cheap Flights from Portland (PDX) to Newcastle (NTL)

View $708 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Newcastle, NSW (NTL-Williamtown)

Cheap Flights from Portland to Newcastle (PDX-NTL)

Prices were available within the past 7 days and start at $708 for one-way flights and $1,486 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Apr 29 - Sun, May 10
PDX
Portland
NTL
Newcastle
$1,486 Roundtrip, found 6 days ago
$1,486
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Apr 29 from Portland to Newcastle, returning Sun, May 10, priced at $1,486 found 6 days ago
Air Canada
Wed, Apr 29 - Sun, May 10
PDX
Portland
NTL
Newcastle
$1,488 Roundtrip, found 6 days ago
$1,488
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Apr 29 from Portland to Newcastle, returning Sun, May 10, priced at $1,488 found 6 days ago
Air Canada
Wed, Apr 29 - Sun, May 10
PDX
Portland
NTL
Newcastle
$1,488 Roundtrip, found 6 days ago
$1,488
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Apr 29 from Portland to Newcastle, returning Sun, May 10, priced at $1,488 found 6 days ago
Air Canada
Mon, Sep 29 - Fri, Oct 3
PDX
Portland
NTL
Newcastle
$2,151 Roundtrip, found 4 days ago
$2,151
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Sep 29 from Portland to Newcastle, returning Fri, Oct 3, priced at $2,151 found 4 days ago
Air Canada
Mon, Sep 29 - Fri, Oct 3
PDX
Portland
NTL
Newcastle
$2,152 Roundtrip, found 4 days ago
$2,152
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Sep 29 from Portland to Newcastle, returning Fri, Oct 3, priced at $2,152 found 4 days ago
Flights from Portland (PDX) to Newcastle (NTL)
Origin airport
Portland Intl.
Destination airport
Williamtown
Roundtrip price
$1,485
Distance
7598 mi

Portland to Newcastle Flights

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

 

The best time to book a flight from Portland to Newcastle

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Newcastle in 2025. You can also book with separate airlines for your outbound and return journeys, from $708 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 Portland 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 Portland 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 Portland Intl. Airport (PDX) to Williamtown Airport (NTL) cost?
Secure a cheap one-way flight from $708 or cheap return flight from $1,486 from Portland Intl. Airport (PDX) to Williamtown Airport (NTL) 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 Portland Intl. Airport (PDX) to Williamtown Airport (NTL)?
Planning your getaway for April is a good way to save, as it's the cheapest month for flights between PDX and NTL. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Williamtown Airport (NTL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PDX to NTL flight.
How many flights per day from Portland Intl. Airport (PDX) to Williamtown Airport (NTL)?
Direct flights from Portland Intl. Airport (PDX) to Williamtown Airport (NTL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to NTL?
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 Portland Intl. Airport (PDX) to Williamtown Airport (NTL)?
To avoid possible delays on the Portland Intl. Airport (PDX) to Williamtown Airport (NTL) route, aim to travel before 3 PM. Flights 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 Portland Intl. Airport (PDX) to Williamtown Airport (NTL) last-minute?
Last-minute fares from PDX to NTL are typically more expensive. To lock in the lowest prices, start searching for flights early. That said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a PDX to NTL flight and hotel package?
You'll generally save money by securing a PDX to NTL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Williamtown Airport (NTL)?
In most cases, you can modify or cancel your PDX to NTL flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.