$904 Cheap Flights from Newcastle (NTL) to San Francisco (SFO)

View $904 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Newcastle, NSW (NTL-Williamtown) to San Francisco Intl. Airport (SFO)

Cheap Flights from Newcastle to San Francisco (NTL-SFO)

Prices were available within the past 7 days and start at $904 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 San Francisco Intl. Airport (SFO) cost?
Lock in a cheap one-way flight from $904 or cheap return flight from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO)?
The cheapest month to fly from NTL to SFO is , when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from NTL to SFO. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO)?
Nonstop flights from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's 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 NTL to SFO?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year 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 Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO)?
Book a flight from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 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 San Francisco Intl. Airport (SFO) last-minute?
Booking your flight from NTL to SFO shortly before your trip is generally more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a NTL to SFO flight and hotel package?
You can save money by booking a NTL to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Williamtown Airport (NTL) to San Francisco Intl. Airport (SFO)?
In most cases, you can cancel or reschedule your NTL to SFO flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Williamtown
Destination airport
San Francisco Intl.
Distance
7348 mi

Book with confidence

Newcastle to San Francisco Flights

The cheapest times to fly from Newcastle to San Francisco

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

 

The best time to book a flight from Newcastle to San Francisco

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

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 San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $904 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 San Francisco 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 San Francisco 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 San Francisco Flights

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*Available to One Key members.