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

American Airlines, Alaska Airlines, and Qatar Airways 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 54% 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.

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.

$1,046 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

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19:56 - 19:45STS-SYD

28h 49m2 stops

21:40 - 23:01SYD-STS

20h 21m2 stops

$1,983Alaska Airlines

Find Deal

Fri, 16 Jan - Sun, 25 Jan

07:00 - 19:45STS-SYD

41h 45m2 stops

21:40 - 08:58SYD-STS

30h 18m2 stops

$2,003Alaska Airlines

Find Deal

Wed, 14 Jan - Sun, 25 Jan

12:37 - 09:00STS-SYD

25h 23m2 stops

11:20 - 15:56SYD-STS

23h 36m2 stops

$2,388American Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Dec

13:18 - 06:55STS-SYD

22h 37m1 stop

11:20 - 15:56SYD-STS

23h 36m2 stops

$2,390American Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Dec

12:55 - 09:20STS-SYD

25h 25m3 stops

17:45 - 22:32SYD-STS

23h 47m2 stops

$2,679Multiple Airlines

Find Deal

Wed, 14 Jan - Sun, 25 Jan

07:00 - 09:20STS-SYD

31h 20m2 stops

17:45 - 22:58SYD-STS

24h 13m1 stop

$2,771Qantas Airways

Find Deal

Wed, 14 Jan - Sun, 25 Jan

11:56 - 08:45STS-SYD

25h 49m3 stops

12:10 - 15:24SYD-STS

22h 14m2 stops

$2,949Multiple Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Dec

17:59 - 07:25STS-SYD

18h 26m1 stop

08:45 - 15:13SYD-STS

25h 28m2 stops

$3,177Qantas Airways

Find Deal

Tue, 9 Dec - Wed, 24 Dec

18:34 - 20:50STS-SYD

31h 16m3 stops

08:55 - 17:54SYD-STS

27h 59m3 stops

$3,729Air Tahiti Nui

Find Deal

Fri, 7 Nov - Tue, 11 Nov

18:34 - 17:40STS-SYD

28h 06m3 stops

08:55 - 17:54SYD-STS

27h 59m3 stops

$4,103Air Tahiti Nui

Find Deal

Fri, 7 Nov - Tue, 11 Nov

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

16 Jan

STS19:56Santa Rosa Sonoma County

28h 49m

2 stops

SYD19:45Sydney Kingsford Smith

25 Jan

SYD21:40Sydney Kingsford Smith

20h 21m

2 stops

STS23:01Santa Rosa Sonoma County

$1,983

Find similar

Alaska Airlines

14 Jan

STS07:00Santa Rosa Sonoma County

41h 45m

2 stops

SYD19:45Sydney Kingsford Smith

25 Jan

SYD21:40Sydney Kingsford Smith

30h 18m

2 stops

STS08:58Santa Rosa Sonoma County

$2,003

Find similar

Alaska Airlines

15 Jan

STS18:52Santa Rosa Sonoma County

53h 53m

2 stops

SYD19:45Sydney Kingsford Smith

25 Jan

SYD21:40Sydney Kingsford Smith

31h 16m

2 stops

STS09:56Santa Rosa Sonoma County

$2,017

Find similar

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

1 Dec

STS12:37Santa Rosa Sonoma County

25h 23m

2 stops

SYD09:00Sydney Kingsford Smith

8 Dec

SYD11:20Sydney Kingsford Smith

23h 36m

2 stops

STS15:56Santa Rosa Sonoma County

$2,388

Find similar

American Airlines

1 Dec

STS13:18Santa Rosa Sonoma County

22h 37m

1 stop

SYD06:55Sydney Kingsford Smith

8 Dec

SYD11:20Sydney Kingsford Smith

23h 36m

2 stops

STS15:56Santa Rosa Sonoma County

$2,390

Find similar

American Airlines

1 Dec

STS13:18Santa Rosa Sonoma County

22h 37m

1 stop

SYD06:55Sydney Kingsford Smith

8 Dec

SYD11:20Sydney Kingsford Smith

31h 32m

1 stop

STS23:52Santa Rosa Sonoma County

$2,395

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 16/1

19:56-19:45

2 stops28h 49m

Sydney Kingsford Smith

Sun 25/1

21:40-23:01

2 stops20h 21m

$1,983

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 14/1

07:00-19:45

2 stops41h 45m

Sydney Kingsford Smith

Sun 25/1

21:40-08:58

2 stops30h 18m

$2,003

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/12

12:37-09:00

2 stops25h 23m

Sydney Kingsford Smith

Mon 8/12

11:20-15:56

2 stops23h 36m

$2,388

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/12

13:18-06:55

1 stop22h 37m

Sydney Kingsford Smith

Mon 8/12

11:20-15:56

2 stops23h 36m

$2,390

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 14/1

12:55-09:20

3 stops25h 25m

Sydney Kingsford Smith

Sun 25/1

17:45-22:32

2 stops23h 47m

$2,679

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 14/1

07:00-09:20

2 stops31h 20m

Sydney Kingsford Smith

Sun 25/1

17:45-22:58

1 stop24h 13m

$2,771

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 1/12

11:56-08:45

3 stops25h 49m

Sydney Kingsford Smith

Mon 8/12

12:10-15:24

2 stops22h 14m

$2,949

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 9/12

17:59-07:25

1 stop18h 26m

Sydney Kingsford Smith

Wed 24/12

08:45-15:13

2 stops25h 28m

$3,177

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 7/11

18:34-20:50

3 stops31h 16m

Sydney Kingsford Smith

Tue 11/11

08:55-17:54

3 stops27h 59m

$3,729

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 7/11

18:34-17:40

3 stops28h 06m

Sydney Kingsford Smith

Tue 11/11

08:55-17:54

3 stops27h 59m

$4,103

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 $1,841. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,703.

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 $1,692. 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 $2,156 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 18h 04m, 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.