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$932+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$986
(Alaska Airlines)

One-way from

$932
(Qantas Airways)

Popular in

December

Cheapest in

February

Average price

$1,168
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 ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:29 pmSTS - SYD
2 stops47h 31mAlaska Airlines
Tue 11/1111:15 amSYD - STS
2 stops27h 12mAlaska Airlines
Deal found 6/30$986
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 11/74:15 pmSTS - SYD
2 stops45h 45mAmerican Airlines
Tue 11/1111:15 amSYD - STS
1 stop17h 55mAmerican Airlines
Deal found 7/2$1,253
This Qantas Airways deal was found by Cheapflights users on 7/3. 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.
Sun 11/26:25 pmSTS - SYD
1 stop18h 00mMultiple Airlines
Sun 11/165:45 pmSYD - STS
1 stop19h 00mMultiple Airlines
Deal found 7/3$1,496
This Qantas Airways deal was found by Cheapflights users on 7/3. 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 10/87:00 amSTS - SYD
2 stops32h 45mQantas Airways
Mon 10/206:45 pmSYD - STS
1 stop23h 14mQantas Airways
Deal found 7/3$1,579
This Singapore Airlines deal was found by Cheapflights users on 7/2. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:25 pmSTS - PER
2 stops28h 20mSingapore Airlines
Sun 11/161:10 amPER - STS
2 stops38h 49mSingapore Airlines
Deal found 7/2$1,592
This Qantas Airways deal was found by Cheapflights users on 7/3. 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.
Fri 11/216:15 pmSTS - MEL
1 stop20h 15mQantas Airways
Fri 11/2812:00 pmMEL - STS
1 stop29h 35mQantas Airways
Deal found 7/3$1,641
This Qantas Airways deal was found by Cheapflights users on 7/1. 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.
Tue 9/23:07 pmSTS - BNE
1 stop21h 18mMultiple Airlines
Tue 9/3012:15 pmBNE - STS
2 stops23h 57mMultiple Airlines
Deal found 7/1$1,815
This KAYAK deal was found by Cheapflights users on 7/3. 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.
Sun 11/236:15 pmSTS - MEL
2 stops32h 10mSingapore Airlines
Thu 11/2712:35 amMEL - STS
2 stops41h 00mSingapore Airlines
Deal found 7/3$1,866
This Air Tahiti Nui deal was found by Cheapflights users on 7/2. 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 Air Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:45 amSTS - SYD
3 stops38h 55mAir Tahiti Nui
Tue 11/118:55 amSYD - STS
3 stops27h 50mAir Tahiti Nui
Deal found 7/2$1,991
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/164:17 pmSTS - BNE
2 stops44h 08mAmerican Airlines
Wed 8/208:05 pmBNE - STS
2 stops32h 31mAmerican Airlines
Deal found 7/1$2,008
This Qantas Airways deal was found by Cheapflights users on 6/30. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:05 pmSTS - BNE
1 stop21h 20mQantas Airways
Wed 8/208:05 pmBNE - STS
1 stop32h 09mQantas Airways
Deal found 6/30$2,544
This Singapore Airlines deal was found by Cheapflights users on 6/30. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:25 pmSTS - SYD
2 stops31h 50mSingapore Airlines
Tue 11/117:10 pmSYD - STS
3 stops41h 35mSingapore Airlines
Deal found 6/30$2,584

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 July 3, 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

Fri 11/7

2:29 pm-9:00 am

2 stops47h 31m

Sydney Kingsford Smith

Tue 11/11

11:15 am-10:10 am

1 stop17h 55m

$986

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 11/7

4:15 pm-9:00 am

2 stops45h 45m

Sydney Kingsford Smith

Tue 11/11

11:15 am-10:10 am

1 stop17h 55m

$1,253

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 11/2

6:25 pm-7:25 am

1 stop18h 00m

Sydney Kingsford Smith

Sun 11/16

5:45 pm-5:45 pm

1 stop19h 00m

$1,496

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 10/8

7:00 am-9:45 am

2 stops32h 45m

Sydney Kingsford Smith

Mon 10/20

6:45 pm-11:59 pm

1 stop23h 14m

$1,579

Santa RosaPerth

STS - PER

STSPER

Santa Rosa Sonoma County

Thu 11/13

6:25 pm-12:35 pm

2 stops50h 10m

Perth

Mon 11/17

1:50 pm-11:59 pm

2 stops26h 09m

$1,592

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Fri 11/21

6:15 pm-9:30 am

1 stop20h 15m

Melbourne

Fri 11/28

12:00 pm-10:35 pm

1 stop29h 35m

$1,641

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Tue 9/2

3:07 pm-5:25 am

1 stop21h 18m

Brisbane

Tue 9/30

12:15 pm-7:12 pm

2 stops23h 57m

$1,815

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sun 11/23

6:15 pm-9:25 pm

2 stops32h 10m

Melbourne

Thu 11/27

12:35 am-10:35 pm

2 stops41h 00m

$1,866

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 11/7

7:45 am-5:40 pm

3 stops38h 55m

Sydney Kingsford Smith

Tue 11/11

8:55 am-5:45 pm

3 stops27h 50m

$1,991

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Sat 8/16

4:17 pm-5:25 am

2 stops44h 08m

Brisbane

Wed 8/20

8:05 pm-11:36 am

2 stops32h 31m

$2,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 33 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 $1,040). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $1,630). 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 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 July 3, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Singapore Airlines, and Alaska Airlines from Santa Rosa to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,320 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Qantas Airways
7.5
Good
868 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Qatar Airways
7.4
Good
3,594 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 $1,055. Users have also found prices from $1,497 and $1,620 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 - 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, February is the cheapest month in which you can book a flight from Santa Rosa to Australia (average of $1,040). Flying from Santa Rosa to Australia in December is currently the most expensive (average of $1,630). 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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