In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

How far in advance should I book a flight from Perth to Santa Rosa?

Users have found that booking a flight from Perth to Santa Rosa at least 52 days early can save you up to 16% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Perth to Santa Rosa for as little as $1,108 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,299 for flights departing within the next 3 days.

What is the cheapest month to fly from Perth to Santa Rosa?

The best pricing can be found in the month of October. Prices to Santa Rosa from Perth average $1,269. You can even find prices in October for less than $1,269, as users have found deals to Santa Rosa from as low as $872. The month of December appears to be one of the more expensive times to travel to Santa Rosa from Perth. Flying in the targeted month can save you up to 34%.

What is the cheapest time of day to fly from PER to STS?

When flying from Perth to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$1,974+ Flights from Perth to Santa Rosa

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Cheap flight deals from Perth to Santa Rosa

Round-trip from	$1,974 (Qantas Airways)
Popular in	December
Cheapest in	October
Average price	$1,476

From Perth to Santa Rosa Sonoma County

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find 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 July 30, 2025.

Tue 11/1810:20 amPER - STS

2 stops23h 34mMultiple Airlines

Sat 12/273:53 pmSTS - PER

2 stops28h 12mMultiple Airlines

Deal found 7/28

$1,974

Wed 8/2010:30 amPER - STS

2 stops23h 42mQantas Airways

Fri 5/156:40 pmSTS - PER

2 stops29h 45mQantas Airways

Deal found 7/29

$2,543

Best flights from Perth to Santa Rosa
Discover carefully curated flight deals from Perth to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Tue 11/1810:20 amPER - STS

2 stops23h 34mMultiple Airlines

Sat 12/273:53 pmSTS - PER

2 stops28h 12mMultiple Airlines

Deal found 7/28

$1,974

Wed 8/2010:30 amPER - STS

2 stops23h 42mQantas Airways

Fri 5/156:40 pmSTS - PER

2 stops29h 45mQantas Airways

Deal found 7/29

$2,543

Last-minute flights from Perth to Santa Rosa
Discover last-minute flight deals from Perth to Santa Rosa. Data last updated July 30, 2025 and is based on user searches.

Wed 8/2010:30 amPER - STS

2 stops23h 42mQantas Airways

Fri 5/156:40 pmSTS - PER

2 stops29h 45mQantas Airways

Deal found 7/29

$2,543

Wed 8/206:45 amPER - STS

3 stops27h 27mMultiple Airlines

Fri 5/156:40 pmSTS - PER

2 stops29h 45mMultiple Airlines

Deal found 7/29

$2,592

One-way flights from Perth to Santa Rosa
Search for one-way flight options from Perth to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Mon 12/2210:45 pmPER - STS

2 stops32h 28mMultiple Airlines

Deal found 7/30

$6,291

Mon 12/225:10 pmPER - STS

3 stops38h 03mQantas Airways

Deal found 7/30

$8,654

Fly from

Fly to

Route

Depart

Return

Price

PerthSanta Rosa

PER - STS

PERSTS

Perth

Tue 11/18

10:20 am-5:54 pm

2 stops23h 34m

Santa Rosa Sonoma County

Sat 12/27

3:53 pm-12:05 pm

2 stops28h 12m

$1,974

PerthSanta Rosa

PER - STS

PERSTS

Perth

Wed 8/20

10:30 am-7:12 pm

2 stops23h 42m

Santa Rosa Sonoma County

Fri 5/15

6:40 pm-3:25 pm

2 stops29h 45m

$2,543

PerthSanta Rosa

PER - STS

PERSTS

Perth

Mon 12/22

10:45 pm-3:13 pm

2 stops32h 28m

$6,291

PerthSanta Rosa

PER - STS

PERSTS

Perth

Mon 12/22

5:10 pm-3:13 pm

3 stops38h 03m

$8,654

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, February is the cheapest month in which you can book a flight from Perth to Santa Rosa (average of $202). Flying from Perth to Santa Rosa in June is currently the most expensive (average of $395). 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.

Reviews of airlines servicing Santa Rosa

Peruse reviews from past customers who have flown with Qantas Airways from Perth to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qantas Airways

7.5

Good

887 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Qantas Airways

7.5

Good

887 reviews

Qantas Airways

7.5

Good

887 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

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, February is the cheapest month in which you can book a flight from Perth to Santa Rosa (average of $202). Flying from Perth to Santa Rosa in June is currently the most expensive (average of $395). 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.

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$1,974+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Perth to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Perth to Santa Rosa

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Perth to Santa Rosa

Cheapest flights from Perth to Santa RosaExplore 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 July 30, 2025.

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 July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Perth to Santa Rosa that are best for you.

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.

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?

Reviews of airlines servicing Santa Rosa

Peruse reviews from past customers who have flown with Qantas Airways from Perth to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

Traveling to a place near Santa Rosa?

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Alternative routes for Perth to Santa Rosa

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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 July 30, 2025.