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 44% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 6 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 Qantas Airways 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.

$882 Cheap Flights from Santa Rosa to Sydney in 2025/26

1 adult

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Find the cheapest flights from Santa Rosa to Sydney

Round-trip

One-way

Cheap return flights

14:21 - 19:45STS-SYD

34h 24m2 stops

21:40 - 13:48SYD-STS

35h 08m2 stops

$1,571Alaska Airlines

Find Deal

Sun, 14 Dec - Tue, 13 Jan

14:21 - 19:45STS-SYD

34h 24m2 stops

21:40 - 13:48SYD-STS

35h 08m2 stops

$1,598Alaska Airlines

Find Deal

Sun, 14 Dec - Sat, 17 Jan

14:21 - 19:45STS-SYD

34h 24m2 stops

21:40 - 13:48SYD-STS

35h 08m2 stops

$1,627Alaska Airlines

Find Deal

Sun, 14 Dec - Thu, 15 Jan

08:00 - 19:45STS-SYD

40h 45m2 stops

21:40 - 22:46SYD-STS

20h 06m2 stops

$1,649Alaska Airlines

Find Deal

Tue, 16 Dec - Wed, 14 Jan

08:00 - 19:45STS-SYD

40h 45m2 stops

21:40 - 11:07SYD-STS

32h 27m2 stops

$1,664Alaska Airlines

Find Deal

Tue, 16 Dec - Sun, 11 Jan

12:45 - 07:25STS-SYD

23h 40m2 stops

17:45 - 19:35SYD-STS

20h 50m2 stops

$2,253

Find Deal

Mon, 2 Feb - Wed, 11 Feb

12:49 - 07:25STS-SYD

23h 36m2 stops

21:25 - 22:35SYD-STS

20h 10m2 stops

$2,328

Find Deal

Sat, 14 Feb - Sun, 22 Feb

16:12 - 09:00STS-SYD

22h 48m2 stops

10:10 - 09:47SYD-STS

17h 37m1 stop

$2,619American Airlines

Find Deal

Sat, 14 Mar - Sat, 4 Apr

15:53 - 07:25STS-SYD

20h 32m1 stop

17:45 - 00:18SYD-STS

25h 33m1 stop

$2,850Qantas Airways

Find Deal

Tue, 23 Dec - Tue, 30 Dec

15:53 - 07:25STS-SYD

20h 32m1 stop

06:00 - 00:18SYD-STS

37h 18m2 stops

$3,052Qantas Airways

Find Deal

Thu, 25 Dec - Thu, 1 Jan

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

23 Dec

STS15:53Santa Rosa Sonoma County

20h 32m

1 stop

SYD07:25Sydney Kingsford Smith

30 Dec

SYD17:45Sydney Kingsford Smith

25h 33m

1 stop

STS00:18Santa Rosa Sonoma County

$2,850

Find similar

Qantas Airways

25 Dec

STS15:53Santa Rosa Sonoma County

20h 32m

1 stop

SYD07:25Sydney Kingsford Smith

1 Jan

SYD06:00Sydney Kingsford Smith

37h 18m

2 stops

STS00:18Santa Rosa Sonoma County

$3,052

Find similar

Qantas Airways

25 Dec

STS18:37Santa Rosa Sonoma County

24h 18m

2 stops

SYD13:55Sydney Kingsford Smith

1 Jan

SYD08:45Sydney Kingsford Smith

34h 33m

2 stops

STS00:18Santa Rosa Sonoma County

$3,079

Find similar

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

14 Dec

STS14:21Santa Rosa Sonoma County

34h 24m

2 stops

SYD19:45Sydney Kingsford Smith

12 Jan

SYD21:40Sydney Kingsford Smith

35h 08m

2 stops

STS13:48Santa Rosa Sonoma County

$1,571

Find similar

Alaska Airlines

14 Dec

STS14:21Santa Rosa Sonoma County

34h 24m

2 stops

SYD19:45Sydney Kingsford Smith

17 Jan

SYD21:40Sydney Kingsford Smith

35h 08m

2 stops

STS13:48Santa Rosa Sonoma County

$1,598

Find similar

Alaska Airlines

14 Dec

STS14:21Santa Rosa Sonoma County

34h 24m

2 stops

SYD19:45Sydney Kingsford Smith

15 Jan

SYD21:40Sydney Kingsford Smith

35h 08m

2 stops

STS13:48Santa Rosa Sonoma County

$1,627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 14/12

14:21-19:45

2 stops34h 24m

Sydney Kingsford Smith

Tue 13/1

21:40-13:48

2 stops35h 08m

$1,571

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 14/12

14:21-19:45

2 stops34h 24m

Sydney Kingsford Smith

Sat 17/1

21:40-13:48

2 stops35h 08m

$1,598

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 14/12

14:21-19:45

2 stops34h 24m

Sydney Kingsford Smith

Thu 15/1

21:40-13:48

2 stops35h 08m

$1,627

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 16/12

08:00-19:45

2 stops40h 45m

Sydney Kingsford Smith

Wed 14/1

21:40-22:46

2 stops20h 06m

$1,649

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 16/12

08:00-19:45

2 stops40h 45m

Sydney Kingsford Smith

Sun 11/1

21:40-11:07

2 stops32h 27m

$1,664

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 2/2

12:45-07:25

2 stops23h 40m

Sydney Kingsford Smith

Wed 11/2

17:45-19:35

2 stops20h 50m

$2,253

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 14/2

12:49-07:25

2 stops23h 36m

Sydney Kingsford Smith

Sun 22/2

21:25-22:35

2 stops20h 10m

$2,328

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 14/3

16:12-09:00

2 stops22h 48m

Sydney Kingsford Smith

Sat 4/4

10:10-09:47

1 stop17h 37m

$2,619

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 23/12

15:53-07:25

1 stop20h 32m

Sydney Kingsford Smith

Tue 30/12

17:45-00:18

1 stop25h 33m

$2,850

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 25/12

15:53-07:25

1 stop20h 32m

Sydney Kingsford Smith

Thu 1/1

06:00-00:18

2 stops37h 18m

$3,052

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 Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,625. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,416.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Santa Rosa to Sydney in the afternoon for as low as $1,645. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,059 on average. Flights to Sydney from Santa Rosa in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights	None

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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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 10m, 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.