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South Pacific

$664+ Cheap flights from Santa Rosa (STS) to South Pacific

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SYD
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Santa Rosa to South Pacific

Cheapest flights from Santa Rosa to South Pacific
Explore the most affordable flight options available from Santa Rosa to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Qatar Airways deal was found by Cheapflights users on 12/25. 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 12/276:00 amSTS - SYD
2 stops41h 50mMultiple Airlines
Fri 1/22:00 pmSYD - STS
3 stops51h 17mMultiple Airlines
Deal found 12/25$5,047

Find flight deals from Santa Rosa to South Pacific

Keep the following information in mind while searching for Santa Rosa to South Pacific flight deals. Data was last updated December 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,109
(American Airlines)

One-way from

$664
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$1,595
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 South Pacific
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One-way flight from Santa Rosa Sonoma County to South Pacific
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Highest demand for flights based on searches. 13% potential increase in price ($181 potential increase over avg. RT price).
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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 December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to South Pacific 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 December 26, 2025.
Use the filters below to find and compare flights from Santa Rosa to South Pacific that are best for you.

Fly from

Santa Rosa

Fly to

South Pacific

Route

Depart

Return

Price

Santa RosaMelbourne

STS - MEL

STSMEL

Santa Rosa Sonoma County

Sun 3/15

12:58 pm-9:30 am

2 stops26h 32m

Melbourne

Sat 4/4

9:45 am-3:53 pm

2 stops24h 08m

$1,109

Santa RosaAuckland

STS - AKL

STSAKL

Santa Rosa Sonoma County

Sun 2/15

7:48 pm-9:20 pm

2 stops28h 32m

Auckland Intl

Thu 2/19

11:30 pm-9:14 am

2 stops30h 44m

$1,140

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Fri 2/6

4:23 pm-5:00 am

2 stops42h 37m

Brisbane

Tue 2/17

7:40 pm-12:30 pm

2 stops34h 50m

$1,152

Santa RosaAuckland

STS - AKL

STSAKL

Santa Rosa Sonoma County

Tue 1/20

7:00 am-9:20 pm

2 stops41h 20m

Auckland Intl

Sat 1/24

11:30 pm-10:35 am

2 stops32h 05m

$1,153

Santa RosaBrisbane

STS - BNE

STSBNE

Santa Rosa Sonoma County

Fri 2/6

4:23 pm-5:00 am

2 stops42h 37m

Brisbane

Sun 2/15

7:40 pm-12:30 pm

2 stops34h 50m

$1,158

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 6/3

2:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Fri 6/19

8:45 pm-10:17 am

2 stops30h 32m

$1,255

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 6/4

2:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Sat 6/20

8:45 pm-10:17 am

2 stops30h 32m

$1,255

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 6/3

2:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Sat 6/20

8:45 pm-10:17 am

2 stops30h 32m

$1,255

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 6/4

2:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Fri 6/19

8:45 pm-10:17 am

2 stops30h 32m

$1,255

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 6/4

2:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Sun 6/21

8:45 pm-10:17 am

2 stops30h 32m

$1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 58 results
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Best time to book a flight from Santa Rosa to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific 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 South Pacific

What is the cheapest month to book a flight from Santa Rosa to South Pacific?

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to South Pacific (average of $223). Flying from Santa Rosa to South Pacific in December is currently the most expensive (average of $554). 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 South Pacific. 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 South Pacific?

    If you book a flight to South Pacific from Santa Rosa, you will be flying from Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa.

  • How long is the flight from Santa Rosa to South Pacific?

    Departing from Santa Rosa to South Pacific will take you 19h 42m. The distance from Santa Rosa to South Pacific is about 7867 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Santa Rosa to South Pacific?

    The most popular route from Santa Rosa to South Pacific is Santa Rosa Sonoma County - Auckland Intl. You may also consider Santa Rosa Sonoma County - Melbourne or Santa Rosa Sonoma County - Sydney Kingsford Smith.

  • Can I find deals for flights from Santa Rosa to South Pacific that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to South Pacific flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to South Pacific?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to South Pacific.

  • Can I find deals for business class flights from Santa Rosa to South Pacific?

    Yes. Cheapflights offers flight deals from Santa Rosa to South Pacific 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 South Pacific?

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to South Pacific (average of $223). Flying from Santa Rosa to South Pacific in December is currently the most expensive (average of $554). 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.

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