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$1,128+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,340
(Alaska Airlines)

One-way from

$1,128
(Qantas Airways)

Popular in

December

Cheapest in

May

Average price

$993
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. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 6/96:40 pmSTS - SYD
1 stop19h 25mAlaska Airlines
Fri 6/209:10 amSYD - STS
2 stops50h 59mAlaska Airlines
Deal found 2/20$1,340
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/96:40 pmSTS - SYD
1 stop18h 55mMultiple Airlines
Fri 6/205:35 pmSYD - STS
1 stop33h 31mMultiple Airlines
Deal found 2/20$1,550
This Qantas Airways deal was found by Cheapflights users on 2/20. 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 4/12:35 pmSTS - MEL
1 stop22h 10mMultiple Airlines
Sat 4/511:55 amMEL - STS
1 stop20h 28mMultiple Airlines
Deal found 2/20$2,778
This Qatar Airways deal was found by Cheapflights users on 2/20. 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 4/37:00 amSTS - SYD
2 stops41h 10mQatar Airways
Mon 4/712:15 pmSYD - STS
3 stops51h 24mQatar Airways
Deal found 2/20$2,904
This Qatar Airways deal was found by Cheapflights users on 2/20. 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 4/17:00 amSTS - MEL
3 stops45h 15mQatar Airways
Sat 4/53:20 pmMEL - STS
3 stops49h 19mQatar Airways
Deal found 2/20$3,304
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Mon 6/97:00 amSTS - SYD
3 stops53h 55mSingapore Airlines
Fri 6/206:05 pmSYD - STS
3 stops45h 30mSingapore Airlines
Deal found 2/20$3,806

Find flights from Santa Rosa to Australia within your budget

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 February 20, 2025.

Fly from

Santa Rosa

Fly to

Australia

Route

Depart

Return

Price

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 6/9

6:40 pm-7:05 am

1 stop19h 25m

Sydney Kingsford Smith

Fri 6/20

9:10 am-7:09 pm

2 stops50h 59m

$1,340

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 6/9

6:40 pm-6:35 am

1 stop18h 55m

Sydney Kingsford Smith

Fri 6/20

5:35 pm-10:06 am

1 stop33h 31m

$1,550

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Tue 4/1

2:35 pm-6:45 am

1 stop22h 10m

Melbourne

Sat 4/5

11:55 am-2:23 pm

1 stop20h 28m

$2,778

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 4/3

7:00 am-6:10 pm

2 stops41h 10m

Sydney Kingsford Smith

Mon 4/7

12:15 pm-10:39 pm

3 stops51h 24m

$2,904

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Tue 4/1

7:00 am-10:15 pm

3 stops45h 15m

Melbourne

Sat 4/5

3:20 pm-10:39 pm

3 stops49h 19m

$3,304

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 6/9

7:00 am-5:55 am

3 stops53h 55m

Sydney Kingsford Smith

Fri 6/20

6:05 pm-10:35 pm

3 stops45h 30m

$3,806

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 4/11

12:57 pm-6:35 am

2 stops24h 38m

$1,128

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Thu 7/24

8:00 am-5:45 am

2 stops28h 45m

$6,926

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Wed 7/23

6:15 pm-6:40 am

1 stop19h 25m

$6,957

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sat 7/26

6:15 pm-6:40 am

1 stop19h 25m

$7,628

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
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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.

Travel insights for flights from Santa Rosa to Australia

Get recent, data-driven insights about flights from Santa Rosa to Australia including ideal travel times, pricing trends, and more.

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 $1,051). 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 February 20, 2025.
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Singapore Airlines
8.1
Very good
1,301 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Alaska Airlines
8.0
Very good
9,697 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Qatar Airways
7.4
Good
3,613 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

Qantas Airways
7.4
Good
815 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

Reviews

1 / 20

8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

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 Japan Airlines. According to our data, you can fly for as low as $6,926. Users have also found prices from $6,957 and $8,998 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 - Sydney Kingsford Smith. You may also consider Santa Rosa Sonoma County - Melbourne 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 $1,051). 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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