Which airlines fly to Sydney?

United Airlines, Fiji Airways and Qantas 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 41% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines, American Airlines, and Japan Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Sydney Kingsford Smith

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.

$1,323 Cheap Flights from Santa Rosa to Sydney in 2026

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Find the cheapest flights from Santa Rosa to Sydney

Round-trip

One-way

Cheap return flights

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17:21 - 07:30

STS

SYD

21h 09m

1 stop

17:50 - 21:22

SYD

STS

20h 32m

1 stop

$2,218Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

17:21 - 07:30

STS

SYD

21h 09m

1 stop

20:45 - 11:10

SYD

STS

31h 25m

2 stops

$2,222Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

07:59 - 07:30

STS

SYD

30h 31m

1 stop

17:50 - 21:22

SYD

STS

20h 32m

1 stop

$2,279Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

16:36 - 07:30

STS

SYD

21h 54m

1 stop

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$2,321Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

16:21 - 07:30

STS

SYD

22h 09m

2 stops

17:50 - 21:31

SYD

STS

20h 41m

1 stop

$2,326Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

17:21 - 07:30

STS

SYD

21h 09m

1 stop

11:25 - 11:10

SYD

STS

40h 45m

2 stops

$2,390Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

07:59 - 08:45

STS

SYD

31h 46m

2 stops

11:55 - 21:22

SYD

STS

26h 27m

2 stops

$2,696Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

07:59 - 08:45

STS

SYD

31h 46m

2 stops

11:55 - 21:22

SYD

STS

26h 27m

2 stops

$2,710Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

17:21 - 07:30

STS

SYD

21h 09m

1 stop

06:25 - 15:55

SYD

STS

26h 30m

2 stops

$2,849Multiple Airlines

Fri, 5 Jun - Sun, 14 Jun

17:21 - 09:45

STS

SYD

23h 24m

2 stops

06:25 - 15:55

SYD

STS

26h 30m

2 stops

$2,857Multiple Airlines

Fri, 5 Jun - Sun, 14 Jun

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

8 Aug

STS11:47Santa Rosa Sonoma County

26h 18m

1 stop

SYD07:05Sydney Kingsford Smith

12 Aug

SYD09:10Sydney Kingsford Smith

27h 19m

1 stop

STS19:29Santa Rosa Sonoma County

$3,300

Alaska Airlines

8 Aug

STS11:47Santa Rosa Sonoma County

26h 18m

1 stop

SYD07:05Sydney Kingsford Smith

12 Aug

SYD09:10Sydney Kingsford Smith

27h 19m

1 stop

STS19:29Santa Rosa Sonoma County

$3,329

Alaska Airlines

8 Aug

STS11:47Santa Rosa Sonoma County

26h 18m

1 stop

SYD07:05Sydney Kingsford Smith

12 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$3,330

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

8 Aug

STS11:47Santa Rosa Sonoma County

29h 43m

2 stops

SYD10:30Sydney Kingsford Smith

12 Aug

SYD17:50Sydney Kingsford Smith

18h 39m

1 stop

STS19:29Santa Rosa Sonoma County

$3,943

Qantas Airways

8 Aug

STS11:47Santa Rosa Sonoma County

37h 13m

2 stops

SYD18:00Sydney Kingsford Smith

12 Aug

SYD17:50Sydney Kingsford Smith

18h 39m

1 stop

STS19:29Santa Rosa Sonoma County

$3,944

Qantas Airways

8 Aug

STS11:47Santa Rosa Sonoma County

36h 03m

2 stops

SYD16:50Sydney Kingsford Smith

12 Aug

SYD06:00Sydney Kingsford Smith

30h 29m

2 stops

STS19:29Santa Rosa Sonoma County

$3,984

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

17:21-07:30

1 stop21h 09m

Sydney Kingsford Smith

Sun 7/6

17:50-21:22

1 stop20h 32m

$2,218

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

17:21-07:30

1 stop21h 09m

Sydney Kingsford Smith

Sun 7/6

20:45-11:10

2 stops31h 25m

$2,222

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

07:59-07:30

1 stop30h 31m

Sydney Kingsford Smith

Sun 7/6

17:50-21:22

1 stop20h 32m

$2,279

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 9/9

16:36-07:30

1 stop21h 54m

Sydney Kingsford Smith

Wed 16/9

17:50-21:31

1 stop20h 41m

$2,321

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 9/9

16:21-07:30

2 stops22h 09m

Sydney Kingsford Smith

Wed 16/9

17:50-21:31

1 stop20h 41m

$2,326

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

17:21-07:30

1 stop21h 09m

Sydney Kingsford Smith

Sun 7/6

11:25-11:10

2 stops40h 45m

$2,390

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

07:59-08:45

2 stops31h 46m

Sydney Kingsford Smith

Sun 7/6

11:55-21:22

2 stops26h 27m

$2,696

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

07:59-08:45

2 stops31h 46m

Sydney Kingsford Smith

Sun 7/6

11:55-21:22

2 stops26h 27m

$2,710

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 5/6

17:21-07:30

1 stop21h 09m

Sydney Kingsford Smith

Sun 14/6

06:25-15:55

2 stops26h 30m

$2,849

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 5/6

17:21-09:45

2 stops23h 24m

Sydney Kingsford Smith

Sun 14/6

06:25-15:55

2 stops26h 30m

$2,857

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 $1,727. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,263.

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	18h 58m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 18h 58m

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

Search flight deals

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 18h 58m, 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.