Which airlines fly to Sydney?

Qantas Airways, United Airlines and Fiji Airways are the top three most popular airlines that fly to Sydney from Santa Rosa according to our data. Qantas Airways is the first choice among our users, with 31% 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.

$914 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.

14:09 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 36m2 stops Los Angeles Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,732Multiple Airlines

Tue, 17 Nov - Tue, 1 Dec

07:20 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

41h 25m2 stops Los Angeles Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,740Multiple Airlines

Sun, 15 Nov - Tue, 1 Dec

13:51 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 54m2 stops Las Vegas Harry Reid Intl Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,751Multiple Airlines

Sun, 22 Nov - Tue, 1 Dec

18:41 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

54h 04m2 stops Los Angeles Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,756Multiple Airlines

Mon, 16 Nov - Tue, 1 Dec

13:51 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

58h 54m2 stops Las Vegas Harry Reid Intl Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,780Multiple Airlines

Mon, 23 Nov - Tue, 1 Dec

07:39 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

41h 06m2 stops Los Angeles Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,782Multiple Airlines

Tue, 24 Nov - Tue, 1 Dec

14:09 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 36m2 stops Los Angeles Honolulu

21:40 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

32h 27m2 stops Honolulu Los Angeles

$1,803Multiple Airlines

Wed, 18 Nov - Tue, 1 Dec

14:09 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 36m2 stops Los Angeles Honolulu

21:40 - 15:01SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

36h 21m2 stops Honolulu Ontario

$1,813Multiple Airlines

Tue, 17 Nov - Sat, 5 Dec

14:09 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 36m2 stops Los Angeles Honolulu

21:40 - 15:01SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

36h 21m2 stops Honolulu Ontario

$1,813Multiple Airlines

Tue, 17 Nov - Thu, 3 Dec

12:01 - 07:30STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 29m1 stop Los Angeles

18:50 - 20:20SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

19h 30m1 stop Los Angeles

$1,824Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

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Delta flights from Santa Rosa to Sydney

Our best Delta deals on Santa Rosa to Sydney flight tickets

Delta

16 Nov

STS11:29Santa Rosa Sonoma County

26h 01m

2 stops

SYD08:30Sydney Kingsford Smith

2 Dec

SYD10:40Sydney Kingsford Smith

24h 26m

2 stops

STS16:06Santa Rosa Sonoma County

$2,016

Delta

15 Nov

STS16:47Santa Rosa Sonoma County

44h 43m

2 stops

SYD08:30Sydney Kingsford Smith

2 Dec

SYD10:40Sydney Kingsford Smith

24h 26m

2 stops

STS16:06Santa Rosa Sonoma County

$2,037

Delta

16 Nov

STS11:29Santa Rosa Sonoma County

26h 01m

2 stops

SYD08:30Sydney Kingsford Smith

4 Dec

SYD10:40Sydney Kingsford Smith

24h 26m

2 stops

STS16:06Santa Rosa Sonoma County

$2,086

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

1 Oct

STS12:01Santa Rosa Sonoma County

26h 04m

1 stop

SYD07:05Sydney Kingsford Smith

8 Oct

SYD10:10Sydney Kingsford Smith

23h 43m

2 stops

STS15:53Santa Rosa Sonoma County

$1,845

American Airlines

18 Nov

STS13:18Santa Rosa Sonoma County

22h 07m

2 stops

SYD06:25Sydney Kingsford Smith

2 Dec

SYD11:20Sydney Kingsford Smith

23h 36m

2 stops

STS15:56Santa Rosa Sonoma County

$2,210

American Airlines

15 Nov

STS12:44Santa Rosa Sonoma County

23h 11m

1 stop

SYD06:55Sydney Kingsford Smith

1 Dec

SYD14:05Sydney Kingsford Smith

41h 43m

2 stops

STS12:48Santa Rosa Sonoma County

$2,211

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 17/11

14:09-19:45

2 stops34h 36m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,732

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 15/11

07:20-19:45

2 stops41h 25m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,740

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 22/11

13:51-19:45

2 stops34h 54m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,751

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Mon 16/11

18:41-19:45

2 stops54h 04m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,756

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Mon 23/11

13:51-19:45

2 stops58h 54m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,780

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 24/11

07:39-19:45

2 stops41h 06m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,782

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 18/11

14:09-19:45

2 stops34h 36m

Sydney Kingsford Smith

Tue 1/12

21:40-11:07

2 stops32h 27m

$1,803

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 17/11

14:09-19:45

2 stops34h 36m

Sydney Kingsford Smith

Sat 5/12

21:40-15:01

2 stops36h 21m

$1,813

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 17/11

14:09-19:45

2 stops34h 36m

Sydney Kingsford Smith

Thu 3/12

21:40-15:01

2 stops36h 21m

$1,813

Fastest return journey

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 29/9

12:01-07:30

1 stop26h 29m

Sydney Kingsford Smith

Tue 6/10

18:50-20:20

1 stop19h 30m

$1,824

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 $1,679. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,599.

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

Best price found	$914
Fastest flight time	21h 54m
Direct flights	None

The best one-way flight to Sydney from Santa Rosa in the past 72 hours is $914. The best return flight deal from Santa Rosa to Sydney found on momondo in the last 72 hours is $1,732.

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.

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 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.