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$1,316+ Cheap flights from Santa Rosa (STS) to Australia

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Santa Rosa to Australia

Keep the following information in mind while searching for Santa Rosa to Australia flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,316
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,059
Provider with most accurate pricing for San Francisco-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Sydney Kingsford Smith flights.
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From Santa Rosa Sonoma County to Australia
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Highest demand for flights based on searches. 14% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Santa Rosa to Australia

Cheapest flights from Santa Rosa to Australia
Explore the most affordable flight options available from Santa Rosa to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:53 pmSTS - BNE
2 stops23h 32mAmerican Airlines
Tue 8/198:05 pmBNE - STS
2 stops32h 42mAmerican Airlines
Deal found 3/27$1,316
This Qantas Airways deal was found by Cheapflights users on 3/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:30 pmSTS - MEL
2 stops26h 35mQantas Airways
Tue 12/1612:00 pmMEL - STS
1 stop19h 56mQantas Airways
Deal found 3/27$1,565
This Qantas Airways deal was found by Cheapflights users on 3/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:30 pmSTS - MEL
1 stop23h 15mMultiple Airlines
Sat 11/112:00 pmMEL - STS
1 stop18h 56mMultiple Airlines
Deal found 3/27$1,577
This Qantas Airways deal was found by Cheapflights users on 3/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:15 pmSTS - SYD
1 stop19h 10mMultiple Airlines
Thu 11/138:30 amSYD - STS
2 stops23h 26mMultiple Airlines
Deal found 3/27$1,605
This Qantas Airways deal was found by Cheapflights users on 3/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:15 pmSTS - SYD
2 stops23h 10mQantas Airways
Thu 12/48:30 amSYD - STS
2 stops23h 26mQantas Airways
Deal found 3/27$1,609
This KAYAK deal was found by Cheapflights users on 3/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:15 pmSTS - SYD
2 stops70h 35mSingapore Airlines
Fri 1/912:15 pmSYD - STS
2 stops29h 20mSingapore Airlines
Deal found 3/26$2,260
This KAYAK deal was found by Cheapflights users on 3/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:15 pmSTS - MEL
2 stops69h 35mSingapore Airlines
Fri 1/910:35 amMEL - STS
2 stops31h 00mSingapore Airlines
Deal found 3/26$2,310
This Qatar Airways deal was found by Cheapflights users on 3/27. 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.
Thu 7/247:12 amSTS - BNE
2 stops41h 18mMultiple Airlines
Wed 8/63:10 pmBNE - STS
2 stops44h 57mMultiple Airlines
Deal found 3/27$2,948
This Qatar Airways deal was found by Cheapflights users on 3/26. 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.
Fri 12/198:00 amSTS - MEL
2 stops44h 05mQatar Airways
Tue 1/611:30 pmMEL - STS
2 stops42h 05mQatar Airways
Deal found 3/26$2,985
This Qatar Airways deal was found by Cheapflights users on 3/26. 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.
Sat 12/208:00 amSTS - SYD
3 stops52h 40mQatar Airways
Wed 1/79:40 pmSYD - STS
2 stops43h 55mQatar Airways
Deal found 3/26$3,090
This Qatar Airways deal was found by Cheapflights users on 3/27. 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.
Thu 7/247:00 amSTS - BNE
3 stops44h 50mQatar Airways
Wed 8/610:10 pmBNE - STS
2 stops37h 57mQatar Airways
Deal found 3/27$3,140
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:15 pmSTS - SYD
1 stop19h 45mAlaska Airlines
Fri 1/911:15 amSYD - STS
1 stop20h 41mAlaska Airlines
Deal found 3/26$3,391

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to Australia 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 March 28, 2025.
Use the filters below to find and compare flights from Santa Rosa to Australia that are best for you.

Fly from

Santa Rosa

Fly to

Australia

Route

Depart

Return

Price

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Sun 8/3

12:53 pm-5:25 am

2 stops23h 32m

Brisbane

Tue 8/19

8:05 pm-11:47 am

2 stops32h 42m

$1,316

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 4/10

2:35 pm-7:30 am

1 stop23h 55m

Sydney Kingsford Smith

Thu 4/17

5:45 pm-10:39 pm

1 stop21h 54m

$2,742

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Thu 7/24

7:12 am-5:30 pm

2 stops41h 18m

Brisbane

Wed 8/6

3:10 pm-7:07 pm

2 stops44h 57m

$2,948

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Thu 7/24

7:00 am-8:50 pm

3 stops44h 50m

Brisbane

Wed 8/6

10:10 pm-7:07 pm

2 stops37h 57m

$3,140

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 4/10

7:00 am-8:05 pm

3 stops44h 05m

Sydney Kingsford Smith

Thu 4/17

8:45 pm-10:39 pm

2 stops42h 54m

$3,263

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 4/6

2:35 pm-7:30 am

1 stop23h 55m

Sydney Kingsford Smith

Tue 4/15

5:45 pm-10:39 pm

1 stop21h 54m

$6,795

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Santa Rosa to Australia

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

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

Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $1,044). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $1,643). 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.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated March 28, 2025.
Qantas Airways
7.5
Good
811 reviews

Entertainment

7.1

Comfort

7.4

Boarding

7.6

Food

6.9

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Tin,Feb 2025

LAX - MEL

The passengers had to wait in lines more than 40 minutes for boarding. The foods was okay to eat if you were hungry to dead . Thank you
Qantas Airways
7.5
Good
811 reviews
Qantas Airways
7.5
Good
811 reviews

Entertainment

7.1

Comfort

7.4

Boarding

7.6

Food

6.9

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Tin,Feb 2025

LAX - MEL

The passengers had to wait in lines more than 40 minutes for boarding. The foods was okay to eat if you were hungry to dead . Thank you
Qatar Airways
7.4
Good
3,538 reviews
Qantas Airways
7.5
Good
811 reviews

Entertainment

7.1

Comfort

7.4

Boarding

7.6

Food

6.9

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Tin,Feb 2025

LAX - MEL

The passengers had to wait in lines more than 40 minutes for boarding. The foods was okay to eat if you were hungry to dead . Thank you
American Airlines
7.2
Good
10,000 reviews
Qantas Airways
7.5
Good
811 reviews

Entertainment

7.1

Comfort

7.4

Boarding

7.6

Food

6.9

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Tin,Feb 2025

LAX - MEL

The passengers had to wait in lines more than 40 minutes for boarding. The foods was okay to eat if you were hungry to dead . Thank you

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Australia. 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 from for flights from Santa Rosa to Australia?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Australia from Santa Rosa.

  • What are the most popular routes from Santa Rosa to Australia?

    The most popular route from Santa Rosa to Australia is Santa Rosa Sonoma County - Sydney Kingsford Smith. You may also consider Santa Rosa Sonoma County - Brisbane or Santa Rosa Sonoma County - Melbourne.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $1,044). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $1,643). 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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