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$886+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,199
(Trip.com)

One-way from

$886
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,040
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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One-way flight from Santa Rosa Sonoma County to Australia
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Highest demand for flights based on searches. 13% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:05 pmSTS - MEL
2 stops28h 10mMultiple Airlines
Sat 6/211:40 pmMEL - STS
2 stops21h 27mMultiple Airlines
Deal found 4/30$1,199
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/137:23 pmSTS - SYD
2 stops31h 22mAlaska Airlines
Sun 6/229:40 pmSYD - STS
2 stops37h 27mAlaska Airlines
Deal found 4/29$1,259
This Qantas Airways deal was found by Cheapflights users on 5/1. 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.
Mon 11/31:30 pmSTS - MEL
2 stops25h 50mQantas Airways
Mon 11/174:05 pmMEL - STS
2 stops25h 30mQantas Airways
Deal found 5/1$1,519
This Jetabroad deal was found by Cheapflights users on 4/30. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:00 amSTS - MEL
3 stops33h 50mHawaiian Airlines
Sat 6/213:00 pmMEL - STS
3 stops39h 25mHawaiian Airlines
Deal found 4/30$1,991
This Qantas Airways deal was found by Cheapflights users on 4/29. 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 6/32:11 pmSTS - BNE
2 stops22h 14mMultiple Airlines
Sat 6/148:05 pmBNE - STS
1 stop20h 39mMultiple Airlines
Deal found 4/29$2,037
This Qantas Airways deal was found by Cheapflights users on 5/1. 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 6/127:23 pmSTS - SYD
1 stop19h 07mMultiple Airlines
Tue 7/85:45 pmSYD - STS
1 stop22h 59mMultiple Airlines
Deal found 5/1$2,043
This Qantas Airways deal was found by Cheapflights users on 4/29. 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 6/143:05 pmSTS - SYD
1 stop23h 25mQantas Airways
Sun 6/225:45 pmSYD - STS
1 stop34h 21mQantas Airways
Deal found 4/29$2,102
This Qatar Airways deal was found by Cheapflights users on 5/1. 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 11/17:00 amSTS - MEL
2 stops41h 25mQatar Airways
Tue 11/1811:30 pmMEL - STS
2 stops41h 28mQatar Airways
Deal found 5/1$2,805
This Qatar Airways deal was found by Cheapflights users on 4/29. 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.
Tue 6/37:00 amSTS - BNE
3 stops45h 00mQatar Airways
Sat 6/1410:10 pmBNE - STS
2 stops42h 34mQatar Airways
Deal found 4/29$3,052
This Qatar Airways deal was found by Cheapflights users on 5/1. 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 6/127:00 amSTS - SYD
3 stops55h 25mQatar Airways
Tue 7/88:45 pmSYD - STS
2 stops38h 22mQatar Airways
Deal found 5/1$3,129
This KAYAK deal was found by Cheapflights users on 5/1. 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 10/78:00 amSTS - SYD
3 stops39h 45mSingapore Airlines
Fri 10/2412:00 pmSYD - STS
2 stops28h 35mSingapore Airlines
Deal found 5/1$4,340

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 May 1, 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 RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sat 6/14

3:05 pm-12:15 pm

2 stops28h 10m

Melbourne

Sat 6/21

1:40 pm-6:07 pm

2 stops21h 27m

$1,199

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 6/13

7:23 pm-7:45 pm

2 stops31h 22m

Sydney Kingsford Smith

Sun 6/22

9:40 pm-6:07 pm

2 stops37h 27m

$1,259

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sat 6/14

6:00 am-8:50 am

3 stops33h 50m

Melbourne

Sat 6/21

3:00 pm-1:25 pm

3 stops39h 25m

$1,991

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sat 6/14

3:05 pm-9:25 am

2 stops25h 20m

Melbourne

Sat 6/21

1:30 pm-11:44 pm

2 stops27h 14m

$2,001

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Tue 6/3

2:11 pm-5:25 am

2 stops22h 14m

Brisbane

Sat 6/14

8:05 pm-11:44 pm

1 stop20h 39m

$2,037

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 6/12

7:23 pm-7:30 am

1 stop19h 07m

Sydney Kingsford Smith

Tue 7/8

5:45 pm-11:44 pm

1 stop22h 59m

$2,043

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 6/14

3:05 pm-7:30 am

1 stop23h 25m

Sydney Kingsford Smith

Sun 6/22

5:45 pm-11:06 am

1 stop34h 21m

$2,102

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Tue 6/3

7:00 am-9:00 pm

3 stops45h 00m

Brisbane

Sat 6/14

10:10 pm-11:44 pm

2 stops42h 34m

$3,052

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 6/12

7:00 am-7:25 am

3 stops55h 25m

Sydney Kingsford Smith

Tue 7/8

8:45 pm-6:07 pm

2 stops38h 22m

$3,129

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 10/7

8:00 am-5:45 pm

3 stops39h 45m

Sydney Kingsford Smith

Fri 10/24

12:00 pm-10:35 pm

2 stops28h 35m

$4,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 19 results
1
2

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 $1,043). 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 May 1, 2025.
Read reviews from past customers who have flown Singapore Airlines, Alaska Airlines and Hawaiian Airlines from Santa Rosa to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Alaska Airlines
8.0
Very good
9,972 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Hawaiian Airlines
7.9
Good
2,409 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
829 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,564 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.7

Comfort

7.9

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 cheapest airlines to fly from Santa Rosa to Australia one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $886. Users have also found prices from $1,288 and $1,888 on Qantas Airways and Qatar Airways, respectively.

  • 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 - Perth. You may also consider Santa Rosa Sonoma County - Brisbane or Santa Rosa Sonoma County - Mackay.

  • 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 $1,043). 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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