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$1,063+ Cheap flights from Santa Rosa (STS) to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
1 adult, Economy
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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 noviembre 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
mar. 12/25:59 pmSTS - SYD
2 stops30h 46mAlaska Airlines
sáb. 12/69:40 pmSYD - STS
2 stops31h 39mAlaska Airlines
Deal found 11/19$1,164
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mar. 12/98:00 amSTS - SYD
2 stops40h 45mAlaska Airlines
jue. 1/159:40 pmSYD - STS
2 stops21h 19mAlaska Airlines
Deal found 11/18$1,359
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mié. 12/107:00 amSTS - SYD
2 stops41h 45mAlaska Airlines
lun. 1/129:40 pmSYD - STS
2 stops21h 19mAlaska Airlines
Deal found 11/18$1,366
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
lun. 12/88:03 pmSTS - SYD
2 stops52h 42mAlaska Airlines
mié. 1/149:40 pmSYD - STS
2 stops31h 16mAlaska Airlines
Deal found 11/18$1,388
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mar. 12/97:00 amSTS - SYD
2 stops41h 45mAlaska Airlines
vie. 1/99:40 pmSYD - STS
2 stops20h 31mAlaska Airlines
Deal found 11/18$1,434
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mié. 12/107:00 amSTS - SYD
2 stops41h 45mAlaska Airlines
vie. 1/99:40 pmSYD - STS
2 stops20h 31mAlaska Airlines
Deal found 11/18$1,461
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
lun. 12/88:03 pmSTS - SYD
2 stops52h 42mAlaska Airlines
vie. 1/99:40 pmSYD - STS
2 stops31h 55mAlaska Airlines
Deal found 11/18$1,463
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mar. 12/97:00 amSTS - SYD
2 stops41h 45mAlaska Airlines
dom. 1/119:40 pmSYD - STS
2 stops31h 16mAlaska Airlines
Deal found 11/18$1,480
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
mié. 12/107:00 amSTS - SYD
2 stops41h 45mAlaska Airlines
dom. 1/119:40 pmSYD - STS
2 stops20h 18mAlaska Airlines
Deal found 11/18$1,507
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
lun. 12/88:03 pmSTS - SYD
2 stops52h 42mAlaska Airlines
dom. 1/119:40 pmSYD - STS
2 stops30h 18mAlaska Airlines
Deal found 11/18$1,509
This KAYAK deal was found by Cheapflights users on 11/17. 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.
dom. 12/147:55 pmSTS - MEL
2 stops38h 45mJapan Airlines
lun. 1/127:20 amMEL - STS
2 stops35h 39mJapan Airlines
Deal found 11/17$2,741
This KAYAK deal was found by Cheapflights users on 11/17. 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.
lun. 12/157:00 amSTS - MEL
2 stops27h 40mJapan Airlines
jue. 1/157:20 amMEL - STS
2 stops35h 39mJapan Airlines
Deal found 11/17$2,791

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 noviembre 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,150
(American Airlines)

One-way from

$1,063
(Qantas Airways)

Popular in

December

Cheapest in

February

Average price

$1,227
Provider with most accurate pricing for San Francisco-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Sydney Kingsford Smith flights.
Search Deals
From Santa Rosa Sonoma County to Australia
Search Deals
One-way flight from Santa Rosa Sonoma County to Australia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
Search Deals

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 noviembre 20, 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 RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

mar. 12/2

5:59 pm-7:45 pm

2 stops30h 46m

Sydney Kingsford Smith

sáb. 12/6

9:40 pm-10:19 am

2 stops31h 39m

$1,164

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

mar. 2/17

12:58 pm-5:00 am

2 stops22h 02m

Brisbane

sáb. 2/21

9:40 am-3:57 pm

2 stops48h 17m

$1,302

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

mié. 12/10

7:00 am-7:45 pm

2 stops41h 45m

Sydney Kingsford Smith

lun. 1/12

9:40 pm-11:59 pm

2 stops21h 19m

$1,366

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

mar. 12/16

5:59 pm-7:45 pm

2 stops30h 46m

Sydney Kingsford Smith

sáb. 1/17

9:40 pm-10:35 am

2 stops31h 55m

$1,782

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

dom. 12/14

8:03 pm-7:45 pm

2 stops28h 42m

Sydney Kingsford Smith

vie. 1/16

9:40 pm-8:58 am

2 stops30h 18m

$1,812

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

lun. 12/22

3:53 pm-7:45 pm

2 stops32h 52m

Sydney Kingsford Smith

mar. 1/13

9:40 pm-10:25 am

2 stops31h 45m

$1,813

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

dom. 12/21

3:53 pm-7:45 pm

2 stops32h 52m

Sydney Kingsford Smith

vie. 1/16

9:40 pm-8:58 am

2 stops30h 18m

$1,859

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

dom. 12/21

3:53 pm-7:45 pm

2 stops32h 52m

Sydney Kingsford Smith

lun. 1/12

9:40 pm-11:59 pm

2 stops21h 19m

$1,866

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

vie. 12/19

7:00 am-7:45 pm

2 stops41h 45m

Sydney Kingsford Smith

sáb. 1/17

9:40 pm-10:35 am

2 stops31h 55m

$1,962

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

vie. 12/19

7:00 am-7:45 pm

2 stops41h 45m

Sydney Kingsford Smith

jue. 1/15

9:40 pm-11:59 pm

2 stops21h 19m

$1,991

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 38 results
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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, January is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $224). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $836). 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 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.

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

    For as low as $1,302, Alaska Airlines can have you in Australia from Santa Rosa in 22h 02m. Santa Rosa and Australia are separated by a distance of 7070 mi. This flight may include one or multiple stops.

  • 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 - Melbourne or Santa Rosa Sonoma County - Brisbane.

  • 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, January is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $224). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $836). 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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