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Cheap flights from Perth to Santa Rosa from $4,082

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PER — STS
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Perth to Santa Rosa

Enter your travel dates to find the best prices.

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 27 November 2025.

Fri 12/1210:20PER - STS
2 stops29h 32mQantas Airways
Tue 16/1217:59STS - PER
2 stops27h 11mQantas Airways
Deal found 25/11$4,082
Fri 12/1210:20PER - STS
2 stops29h 32mMultiple Airlines
Tue 16/1217:59STS - PER
3 stops28h 31mMultiple Airlines
Deal found 25/11$4,102
Fri 12/1208:20PER - STS
3 stops48h 59mQatar Airways
Tue 16/1207:00STS - PER
3 stops57h 30mQatar Airways
Deal found 25/11$7,747

Cheap 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 27 November 2025.

Round-trip from

$4,082

Popular in

December

Cheapest in

October

Average price

$1,820
Qantas Airways
  • Qantas Airways
  • 12/12-16/12
  • 4 total stops
  • 56h 43m total
  • Perth to Santa Rosa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($243 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($75 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 27 November 2025.
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

Fri 12/12

10:20-23:52

2 stops29h 32m

Santa Rosa Sonoma County

Tue 16/12

17:59-13:10

2 stops27h 11m

$4,082

PerthSanta Rosa

PER - STS

PERSTS

Perth

Fri 12/12

10:20-23:52

2 stops29h 32m

Santa Rosa Sonoma County

Tue 16/12

17:59-14:30

3 stops28h 31m

$4,102

PerthSanta Rosa

PER - STS

PERSTS

Perth

Fri 12/12

08:20-17:19

3 stops48h 59m

Santa Rosa Sonoma County

Tue 16/12

07:00-08:30

3 stops57h 30m

$7,747

Flights are sorted by cheapest return flights first.

Deals found on 25/11

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 return 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 $1,316). Flying from Perth to Santa Rosa in December is currently the most expensive (average of $1,814). 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?

    There are many flights that can get you from Perth to Santa Rosa in 29h 32m. Fly via Qantas Airways or Qatar Airways to get the fastest option. The distance from Perth to Santa Rosa is about 14706 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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 $1,316). Flying from Perth to Santa Rosa in December is currently the most expensive (average of $1,814). 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

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How does Cheapflights help users find flights from Perth to Santa Rosa?

Cheapflights makes it easy to find Perth to Santa Rosa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Perth to Santa Rosa?

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Can Cheapflights find flights from Perth to Santa Rosa with no change fees?

Yes! Cheapflights helps users easily find flights from Perth to Santa Rosa with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Santa Rosa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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