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$891+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,162
(Alaska Airlines)

One-way from

$891
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,171
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 April 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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/156:58 pmSTS - SYD
2 stops31h 47mAlaska Airlines
Thu 5/299:40 pmSYD - STS
2 stops28h 18mAlaska Airlines
Deal found 4/28$1,162
This Qantas Airways deal was found by Cheapflights users on 4/28. 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.
Wed 5/286:40 pmSTS - MEL
1 stop19h 05mQantas Airways
Wed 7/1611:55 amMEL - STS
1 stop23h 12mQantas Airways
Deal found 4/28$2,028
This Qantas Airways deal was found by Cheapflights users on 4/28. 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 5/296:40 pmSTS - MEL
2 stops22h 55mMultiple Airlines
Tue 7/1511:55 amMEL - STS
1 stop23h 12mMultiple Airlines
Deal found 4/28$2,053
This Qantas Airways deal was found by Cheapflights users on 4/28. 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.
Wed 5/147:28 pmSTS - SYD
1 stop19h 02mMultiple Airlines
Thu 5/295:45 pmSYD - STS
1 stop22h 45mMultiple Airlines
Deal found 4/28$2,693
This Qatar Airways deal was found by Cheapflights users on 4/28. 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.
Wed 5/287:00 amSTS - MEL
2 stops40h 50mQatar Airways
Wed 7/1610:45 pmMEL - STS
2 stops41h 59mQatar Airways
Deal found 4/28$2,895
This Qatar Airways deal was found by Cheapflights users on 4/28. 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.
Wed 5/1412:45 pmSTS - SYD
2 stops35h 25mQatar Airways
Thu 5/295:45 pmSYD - STS
3 stops42h 22mQatar Airways
Deal found 4/28$2,933
This Qantas Airways deal was found by Cheapflights users on 4/28. 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 6/76:40 pmSTS - SYD
1 stop19h 25mQantas Airways
Sun 6/159:10 amSYD - STS
1 stop18h 56mQantas Airways
Deal found 4/28$10,307

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 April 29, 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

Thu 5/15

6:58 pm-7:45 pm

2 stops31h 47m

Sydney Kingsford Smith

Sun 6/1

9:40 pm-11:06 am

2 stops30h 26m

$1,162

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Wed 5/28

6:40 pm-6:45 am

1 stop19h 05m

Melbourne

Tue 7/15

11:55 am-6:07 pm

1 stop23h 12m

$2,028

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Thu 5/29

6:40 pm-10:35 am

2 stops22h 55m

Melbourne

Tue 7/15

11:55 am-6:07 pm

1 stop23h 12m

$2,053

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 5/14

7:28 pm-7:30 am

1 stop19h 02m

Sydney Kingsford Smith

Thu 5/29

5:45 pm-11:30 pm

1 stop22h 45m

$2,693

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Wed 5/28

7:00 am-4:50 pm

2 stops40h 50m

Melbourne

Wed 7/16

10:45 pm-11:44 pm

2 stops41h 59m

$2,895

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 5/14

12:45 pm-5:10 pm

2 stops35h 25m

Sydney Kingsford Smith

Thu 5/29

5:45 pm-7:07 pm

3 stops42h 22m

$2,933

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 6/7

6:40 pm-7:05 am

1 stop19h 25m

Sydney Kingsford Smith

Sun 6/15

9:10 am-11:06 am

1 stop18h 56m

$10,307

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sat 5/31

4:21 pm-5:00 am

2 stops43h 39m

$891

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sun 5/18

6:40 pm-6:45 am

1 stop19h 05m

$1,248

Santa RosaPerth

STS - PER

STSPER

Santa Rosa Sonoma County

Tue 6/17

3:05 pm-5:05 pm

2 stops35h 00m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 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, February is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $1,046). 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 April 29, 2025.
Read reviews from past customers who have flown Singapore Airlines, Alaska Airlines and Qantas Airways 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

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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
9,961 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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
828 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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
3,561 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Food

7.7

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 $891. Users have also found prices from $1,266 and $1,551 on Qantas Airways and Singapore Airlines, 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 - Sydney Kingsford Smith 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, February is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $1,046). 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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