What is the cheapest airline that flies from Santa Rosa Sonoma County to Sydney Kingsford Smith?

Qantas Airways is the most popular carrier operating from Santa Rosa Sonoma County to Sydney Kingsford Smith

Which airlines fly to Sydney?

United Airlines, Qantas Airways and Fiji Airways are the top three most popular airlines that fly to Sydney from Santa Rosa according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?

Prices for flights from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport are updated daily.

How old do you have to be to fly from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$863 Cheap Flights from Santa Rosa to Sydney in 2026

Find the cheapest flights from Santa Rosa to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:10 - 11:50

STS

SYD

35h 40m

2 stops

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$1,714Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

13:40 - 18:50

STS

SYD

36h 10m

2 stops

20:45 - 11:21

SYD

STS

31h 36m

2 stops

$1,779Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

12:58 - 06:25

STS

SYD

24h 27m

2 stops

12:00 - 12:09

SYD

STS

41h 09m

1 stop

$1,847American Airlines

Fri, 14 Aug - Fri, 21 Aug

17:35 - 07:30

STS

SYD

20h 55m

1 stop

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$1,858Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

17:35 - 07:30

STS

SYD

20h 55m

1 stop

09:10 - 15:55

SYD

STS

23h 45m

1 stop

$1,861Qantas Airways

Thu, 30 Jul - Tue, 11 Aug

13:06 - 18:50

STS

SYD

36h 44m

2 stops

20:45 - 10:45

SYD

STS

31h 00m

2 stops

$1,865Multiple Airlines

Tue, 28 Jul - Sun, 9 Aug

17:35 - 07:30

STS

SYD

20h 55m

1 stop

17:50 - 15:55

SYD

STS

39h 05m

1 stop

$1,872Qantas Airways

Thu, 30 Jul - Sun, 9 Aug

12:01 - 07:30

STS

SYD

26h 29m

1 stop

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$1,878Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

12:58 - 07:05

STS

SYD

25h 07m

2 stops

22:00 - 12:09

SYD

STS

55h 09m

2 stops

$1,879American Airlines

Fri, 14 Aug - Fri, 21 Aug

12:01 - 06:25

STS

SYD

25h 24m

2 stops

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$1,882Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

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American Airlines flights from Santa Rosa to Sydney

Our best American Airlines deals on Santa Rosa to Sydney flight tickets

American Airlines

14 Aug

STS12:58Santa Rosa Sonoma County

24h 27m

2 stops

SYD06:25Sydney Kingsford Smith

21 Aug

SYD12:00Sydney Kingsford Smith

41h 09m

1 stop

STS12:09Santa Rosa Sonoma County

$1,847

American Airlines

14 Aug

STS12:58Santa Rosa Sonoma County

25h 07m

2 stops

SYD07:05Sydney Kingsford Smith

21 Aug

SYD22:00Sydney Kingsford Smith

55h 09m

2 stops

STS12:09Santa Rosa Sonoma County

$1,879

American Airlines

25 July

STS11:35Santa Rosa Sonoma County

26h 30m

1 stop

SYD07:05Sydney Kingsford Smith

3 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$2,165

Qantas Airways flights from Santa Rosa to Sydney

Our best Qantas Airways deals on Santa Rosa to Sydney flight tickets

Qantas Airways

30 July

STS17:35Santa Rosa Sonoma County

20h 55m

1 stop

SYD07:30Sydney Kingsford Smith

11 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$1,861

Qantas Airways

30 July

STS17:35Santa Rosa Sonoma County

20h 55m

1 stop

SYD07:30Sydney Kingsford Smith

9 Aug

SYD17:50Sydney Kingsford Smith

39h 05m

1 stop

STS15:55Santa Rosa Sonoma County

$1,872

Qantas Airways

30 July

STS17:35Santa Rosa Sonoma County

20h 55m

1 stop

SYD07:30Sydney Kingsford Smith

8 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$1,933

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 1/9

07:10-11:50

2 stops35h 40m

Sydney Kingsford Smith

Tue 8/9

17:50-21:31

1 stop20h 41m

$1,714

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 1/9

13:40-18:50

2 stops36h 10m

Sydney Kingsford Smith

Tue 8/9

20:45-11:21

2 stops31h 36m

$1,779

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 14/8

12:58-06:25

2 stops24h 27m

Sydney Kingsford Smith

Fri 21/8

12:00-12:09

1 stop41h 09m

$1,847

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 14/8

17:35-07:30

1 stop20h 55m

Sydney Kingsford Smith

Fri 21/8

17:50-21:31

1 stop20h 41m

$1,858

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 30/7

17:35-07:30

1 stop20h 55m

Sydney Kingsford Smith

Tue 11/8

09:10-15:55

1 stop23h 45m

$1,861

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 28/7

13:06-18:50

2 stops36h 44m

Sydney Kingsford Smith

Sun 9/8

20:45-10:45

2 stops31h 00m

$1,865

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 30/7

17:35-07:30

1 stop20h 55m

Sydney Kingsford Smith

Sun 9/8

17:50-15:55

1 stop39h 05m

$1,872

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 1/9

12:01-07:30

1 stop26h 29m

Sydney Kingsford Smith

Tue 8/9

17:50-21:31

1 stop20h 41m

$1,878

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 14/8

12:58-07:05

2 stops25h 07m

Sydney Kingsford Smith

Fri 21/8

22:00-12:09

2 stops55h 09m

$1,879

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 1/9

12:01-06:25

2 stops25h 24m

Sydney Kingsford Smith

Tue 8/9

17:50-21:31

1 stop20h 41m

$1,882

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santa Rosa to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,729. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,267.

When to book flights from Santa Rosa to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Santa Rosa to Sydney (STS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Sydney

Fastest flight time	20h 55m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 20h 55m

There are no direct flights from Santa Rosa to Sydney. There are no popular flight routes from Santa Rosa to Sydney.

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Frequently asked questions about flying from Santa Rosa to Sydney

How far is Santa Rosa Sonoma County to Sydney Kingsford Smith by plane?
Santa Rosa Sonoma County and Sydney Kingsford Smith are 11954.2 km apart from one another. Flights usually cover this in 20h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?
Prices for flights from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Sydney?

It is quick and easy to find Santa Rosa to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Santa Rosa to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Santa Rosa with this policy.

How can momondo help me find flights from Santa Rosa to Sydney?

Once you have performed a search for Santa Rosa to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Santa Rosa to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Santa Rosa to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.