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

American Airlines 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 41% 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.

$978 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.

17:30 - 10:20

STS

SYD

21h 50m

2 stops

11:15 - 10:08

SYD

STS

17h 53m

1 stop

$1,613Multiple Airlines

Tue, 10 Nov - Fri, 20 Nov

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 10:08

SYD

STS

31h 28m

2 stops

$1,772Multiple Airlines

Tue, 10 Nov - Sun, 22 Nov

16:36 - 06:25

STS

SYD

20h 49m

2 stops

06:25 - 11:17

SYD

STS

22h 52m

2 stops

$1,793Multiple Airlines

Sun, 20 Sep - Sun, 4 Oct

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 10:08

SYD

STS

31h 28m

2 stops

$1,812Multiple Airlines

Sun, 8 Nov - Sun, 22 Nov

18:56 - 19:45

STS

SYD

53h 49m

2 stops

21:40 - 10:33

SYD

STS

31h 53m

2 stops

$1,816Multiple Airlines

Mon, 16 Nov - Tue, 1 Dec

18:56 - 19:45

STS

SYD

53h 49m

2 stops

21:40 - 10:08

SYD

STS

31h 28m

2 stops

$1,823Multiple Airlines

Mon, 9 Nov - Sun, 22 Nov

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 10:08

SYD

STS

31h 28m

2 stops

$1,843Multiple Airlines

Tue, 10 Nov - Thu, 19 Nov

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 10:08

SYD

STS

31h 28m

2 stops

$1,856Multiple Airlines

Thu, 12 Nov - Sun, 22 Nov

07:25 - 18:50

STS

SYD

42h 25m

2 stops

20:45 - 18:16

SYD

STS

38h 31m

2 stops

$1,858Multiple Airlines

Sun, 16 Aug - Sun, 30 Aug

16:36 - 07:30

STS

SYD

21h 54m

1 stop

18:50 - 20:20

SYD

STS

19h 30m

1 stop

$1,869Multiple Airlines

Mon, 21 Sep - Tue, 6 Oct

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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

17 Nov

STS12:44Santa Rosa Sonoma County

23h 11m

1 stop

SYD06:55Sydney Kingsford Smith

2 Dec

SYD11:20Sydney Kingsford Smith

23h 36m

2 stops

STS15:56Santa Rosa Sonoma County

$1,944

American Airlines

9 Nov

STS12:44Santa Rosa Sonoma County

23h 11m

1 stop

SYD06:55Sydney Kingsford Smith

18 Nov

SYD14:05Sydney Kingsford Smith

41h 20m

1 stop

STS12:25Santa Rosa Sonoma County

$1,952

American Airlines

6 Sept

STS16:18Santa Rosa Sonoma County

22h 12m

2 stops

SYD07:30Sydney Kingsford Smith

15 Sept

SYD12:00Sydney Kingsford Smith

41h 09m

1 stop

STS12:09Santa Rosa Sonoma County

$1,958

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 10/11

17:30-10:20

2 stops21h 50m

Sydney Kingsford Smith

Fri 20/11

11:15-10:08

1 stop17h 53m

$1,613

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 10/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Sun 22/11

21:40-10:08

2 stops31h 28m

$1,772

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 20/9

16:36-06:25

2 stops20h 49m

Sydney Kingsford Smith

Sun 4/10

06:25-11:17

2 stops22h 52m

$1,793

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 8/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Sun 22/11

21:40-10:08

2 stops31h 28m

$1,812

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 16/11

18:56-19:45

2 stops53h 49m

Sydney Kingsford Smith

Tue 1/12

21:40-10:33

2 stops31h 53m

$1,816

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 9/11

18:56-19:45

2 stops53h 49m

Sydney Kingsford Smith

Sun 22/11

21:40-10:08

2 stops31h 28m

$1,823

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 10/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Thu 19/11

21:40-10:08

2 stops31h 28m

$1,843

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 12/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Sun 22/11

21:40-10:08

2 stops31h 28m

$1,856

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 16/8

07:25-18:50

2 stops42h 25m

Sydney Kingsford Smith

Sun 30/8

20:45-18:16

2 stops38h 31m

$1,858

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 21/9

16:36-07:30

1 stop21h 54m

Sydney Kingsford Smith

Tue 6/10

18:50-20:20

1 stop19h 30m

$1,869

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 $1,709. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,218.

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	21h 54m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 21h 54m

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 21h 54m, 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.