HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$2,151+ Cheap flights from Australia to Santa Rosa (STS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to Santa Rosa

Keep the following information in mind while searching for Australia to Santa Rosa flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,293
(Qantas Airways)

Popular in

December

Cheapest in

August

Average price

$1,021
Provider with most accurate pricing for Sydney Kingsford Smith-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-San Francisco flights.
Search Deals
From Australia to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Australia to Santa Rosa

Best flights from Australia to Santa Rosa
Discover carefully curated flight deals from Australia to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.

This Qatar Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/253:55 pmPER - STS
2 stops44h 56mQatar Airways
Sun 3/297:00 amSTS - PER
2 stops37h 55mQatar Airways
Deal found 11/1$2,151

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Australia to Santa Rosa that are best for you.

Fly from

Australia

Fly to

Santa Rosa

Route

Depart

Return

Price

PerthSanta Rosa

PER - STS

PERSTS

Perth

Wed 3/25

3:55 pm-9:51 pm

2 stops44h 56m

Santa Rosa Sonoma County

Sun 3/29

7:00 am-11:55 am

2 stops37h 55m

$2,151

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Best time to book a flight from Australia to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Santa Rosa

What is the cheapest month to book a flight from Australia to Santa Rosa?

Currently, July is the cheapest month in which you can book a flight from Australia to Santa Rosa (average of $500). Flying from Australia to Santa Rosa in December is currently the most expensive (average of $810). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Australia to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santa Rosa from Australia?

    For a flight from Australia to Santa Rosa, you will be flying into Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city.

  • How long is the flight from Australia to Santa Rosa?

    Qatar Airways can get you from Australia to Santa Rosa in just under 44h 56m. Your travel time can differ by up to . Airlines will cover a distance of 9138 mi.

  • Can I find deals for flights from Australia to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Australia to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Santa Rosa.

  • Can I find deals for business class flights from Australia to Santa Rosa?

    Yes. Cheapflights offers flight deals from Australia to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Santa Rosa?

    Currently, July is the cheapest month in which you can book a flight from Australia to Santa Rosa (average of $500). Flying from Australia to Santa Rosa in December is currently the most expensive (average of $810). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
Melbourne to Los Angeles flights
Sydney to Los Angeles flights
Auckland to Los Angeles flights
Sydney to San Francisco flights
Papeete to Los Angeles flights
Brisbane to Los Angeles flights
Sydney to Ontario flights
Melbourne to San Francisco flights
Sydney to Las Vegas flights
Melbourne to Ontario flights
Auckland to San Francisco flights
Brisbane to San Francisco flights
Avalon to Los Angeles flights
Melbourne to Las Vegas flights
Brisbane to Ontario flights
Papeete to San Francisco flights
Sydney to Santa Ana flights
Auckland to Ontario flights
Papeete to Las Vegas flights
Perth to Los Angeles flights
Sydney to Long Beach flights
Brisbane to Las Vegas flights
Nadi to Los Angeles flights
Sydney to San Jose flights
Nadi to San Francisco flights
Adelaide to Los Angeles flights
Perth to San Francisco flights
Christchurch to Los Angeles flights
Coolangatta to Los Angeles flights
Auckland to Las Vegas flights
Perth to Las Vegas flights
Avalon to San Francisco flights
Tamuning to Las Vegas flights
Sydney to Oakland flights
Tamuning to San Francisco flights
Canberra to Los Angeles flights
Auckland to San Jose flights
Adelaide to Las Vegas flights
Tamuning to Los Angeles flights
Nuku‘alofa to Los Angeles flights
Wellington to Los Angeles flights
Sydney to Palm Springs flights
Brisbane to San Diego flights
Sydney to San Diego flights
Adelaide to San Francisco flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.