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

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

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 40% 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.

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.

$1,135 Cheap Flights from Santa Rosa to Sydney in 2026

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Find the cheapest flights from Santa Rosa to Sydney

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17:21 - 12:05

STS

SYD

25h 44m

2 stops

13:15 - 21:22

SYD

STS

25h 07m

2 stops

$1,303Multiple Airlines

Mon, 1 Jun - Sun, 7 Jun

07:05 - 07:05

STS

SYD

31h 00m

1 stop

09:10 - 15:53

SYD

STS

23h 43m

2 stops

$1,781American Airlines

Sun, 19 Apr - Sun, 26 Apr

14:53 - 18:50

STS

SYD

34h 57m

2 stops

20:45 - 15:55

SYD

STS

36h 10m

2 stops

$1,791Multiple Airlines

Fri, 5 Jun - Sun, 28 Jun

17:21 - 18:50

STS

SYD

32h 29m

2 stops

20:45 - 10:45

SYD

STS

31h 00m

2 stops

$1,823Multiple Airlines

Wed, 3 Jun - Sun, 28 Jun

18:51 - 22:10

STS

SYD

34h 19m

2 stops

17:50 - 23:01

SYD

STS

22h 11m

1 stop

$1,826Multiple Airlines

Sat, 2 May - Sat, 9 May

20:26 - 18:50

STS

SYD

29h 24m

2 stops

20:45 - 10:45

SYD

STS

31h 00m

2 stops

$1,844Multiple Airlines

Tue, 9 Jun - Sun, 28 Jun

12:35 - 06:55

STS

SYD

25h 20m

1 stop

09:10 - 18:07

SYD

STS

25h 57m

1 stop

$1,858American Airlines

Sat, 12 Sep - Sat, 19 Sep

16:21 - 07:30

STS

SYD

22h 09m

2 stops

09:10 - 18:07

SYD

STS

25h 57m

1 stop

$1,864American Airlines

Sat, 12 Sep - Sat, 19 Sep

12:56 - 07:30

STS

SYD

25h 34m

2 stops

09:10 - 15:53

SYD

STS

23h 43m

2 stops

$1,881American Airlines

Sat, 2 May - Sat, 9 May

07:00 - 07:05

STS

SYD

31h 05m

1 stop

09:10 - 10:01

SYD

STS

17h 51m

1 stop

$1,885American Airlines

Sat, 2 May - Sat, 9 May

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

19 Apr

STS07:05Santa Rosa Sonoma County

31h 00m

1 stop

SYD07:05Sydney Kingsford Smith

26 Apr

SYD09:10Sydney Kingsford Smith

23h 43m

2 stops

STS15:53Santa Rosa Sonoma County

$1,781

American Airlines

12 Sept

STS12:35Santa Rosa Sonoma County

25h 20m

1 stop

SYD06:55Sydney Kingsford Smith

19 Sept

SYD09:10Sydney Kingsford Smith

25h 57m

1 stop

STS18:07Santa Rosa Sonoma County

$1,858

American Airlines

12 Sept

STS16:21Santa Rosa Sonoma County

22h 09m

2 stops

SYD07:30Sydney Kingsford Smith

19 Sept

SYD09:10Sydney Kingsford Smith

25h 57m

1 stop

STS18:07Santa Rosa Sonoma County

$1,864

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

9 June

STS17:21Santa Rosa Sonoma County

20h 44m

1 stop

SYD07:05Sydney Kingsford Smith

30 June

SYD09:10Sydney Kingsford Smith

27h 19m

1 stop

STS19:29Santa Rosa Sonoma County

$2,267

Alaska Airlines

8 June

STS07:59Santa Rosa Sonoma County

30h 06m

1 stop

SYD07:05Sydney Kingsford Smith

28 June

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$2,278

Alaska Airlines

6 June

STS17:21Santa Rosa Sonoma County

20h 44m

1 stop

SYD07:05Sydney Kingsford Smith

29 June

SYD09:10Sydney Kingsford Smith

18h 35m

1 stop

STS10:45Santa Rosa Sonoma County

$2,330

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/6

17:21-12:05

2 stops25h 44m

Sydney Kingsford Smith

Sun 7/6

13:15-21:22

2 stops25h 07m

$1,303

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 19/4

07:05-07:05

1 stop31h 00m

Sydney Kingsford Smith

Sun 26/4

09:10-15:53

2 stops23h 43m

$1,781

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 5/6

14:53-18:50

2 stops34h 57m

Sydney Kingsford Smith

Sun 28/6

20:45-15:55

2 stops36h 10m

$1,791

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 3/6

17:21-18:50

2 stops32h 29m

Sydney Kingsford Smith

Sun 28/6

20:45-10:45

2 stops31h 00m

$1,823

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/5

18:51-22:10

2 stops34h 19m

Sydney Kingsford Smith

Sat 9/5

17:50-23:01

1 stop22h 11m

$1,826

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 9/6

20:26-18:50

2 stops29h 24m

Sydney Kingsford Smith

Sun 28/6

20:45-10:45

2 stops31h 00m

$1,844

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 12/9

12:35-06:55

1 stop25h 20m

Sydney Kingsford Smith

Sat 19/9

09:10-18:07

1 stop25h 57m

$1,858

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 12/9

16:21-07:30

2 stops22h 09m

Sydney Kingsford Smith

Sat 19/9

09:10-18:07

1 stop25h 57m

$1,864

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/5

12:56-07:30

2 stops25h 34m

Sydney Kingsford Smith

Sat 9/5

09:10-15:53

2 stops23h 43m

$1,881

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/5

07:00-07:05

1 stop31h 05m

Sydney Kingsford Smith

Sat 9/5

09:10-10:01

1 stop17h 51m

$1,885

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 $1,698. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,190.

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	19h 07m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 19h 07m

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

Search flight deals

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 19h 07m, 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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Lithgow

Manly

Leura

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Cronulla

Randwick

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Swansea

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.