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$2,365+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Australia to Santa Rosa

Cheapest flights from Australia to Santa Rosa
Explore the most affordable flight options available from Australia to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Qatar Airways deal was found by Cheapflights users on 2/2. 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 2/1810:45 pm
PER
-
STS
2 stops41h 05m
Qatar Airways
Sun 2/2211:15 am
STS
-
PER
2 stops39h 30m
Qatar Airways
Deal found 2/2$2,365

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,367
(Qatar Airways)

Popular in

December

Cheapest in

November

Average price

$992
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. 0% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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 2/18

10:45 pm-11:50 pm

2 stops41h 05m

Santa Rosa Sonoma County

Sun 2/22

11:15 am-6:45 pm

2 stops39h 30m

$2,365

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 $735). 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 41h 05m. 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 $735). 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

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