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Santa Rosa

$2,338+ Cheap flights from Perth (PER) 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.
PER — STS
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Perth to Santa Rosa

Cheapest flights from Perth to Santa Rosa
Explore the most affordable flight options available from Perth to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Qatar Airways deal was found by Cheapflights users on 1/25. 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 2/227:00 am
STS
-
PER
2 stops43h 45m
Qatar Airways
Deal found 1/25$2,338

Find flight deals from Perth to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,338
(Qatar Airways)

Popular in

December

Cheapest in

October

Average price

$1,188
Provider with most accurate pricing for Perth-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Perth-San Francisco flights.
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From Perth to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Perth 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 January 28, 2026.
Use the filters below to find and compare flights from Perth to Santa Rosa that are best for you.

Fly from

Perth

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

7:00 am-6:45 pm

2 stops43h 45m

$2,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Best time to book a flight from Perth to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Perth 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 Perth to Santa Rosa

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

Currently, September is the cheapest month in which you can book a flight from Perth to Santa Rosa (average of $856). Flying from Perth to Santa Rosa in December is currently the most expensive (average of $1,158). 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 Perth to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Perth to Santa Rosa will take you 41h 05m. There are 9138 mi between Perth and Santa Rosa.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Perth 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 Perth to Santa Rosa?

    Currently, September is the cheapest month in which you can book a flight from Perth to Santa Rosa (average of $856). Flying from Perth to Santa Rosa in December is currently the most expensive (average of $1,158). 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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