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.

$906 Cheap Flights from Santa Rosa to Sydney in 2026/27

Find the cheapest flights from Santa Rosa to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:32 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

34h 13m2 stops Ontario Honolulu

21:40 - 12:21SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

33h 41m2 stops Honolulu Los Angeles

$1,699Multiple Airlines

Tue, 27 Oct - Mon, 25 Jan

11:57 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

24h 28m1 stop Los Angeles

11:05 - 12:21SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

20h 16m2 stops Brisbane Los Angeles

$1,709Multiple Airlines

Thu, 29 Oct - Wed, 27 Jan

16:55 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

18h 30m1 stop Los Angeles

21:25 - 23:21SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

20h 56m2 stops San Francisco Los Angeles

$1,908Multiple Airlines

Sat, 21 Nov - Wed, 2 Dec

11:57 - 18:50STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

36h 53m2 stops Los Angeles Honolulu

21:40 - 11:17SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

31h 37m2 stops Honolulu Los Angeles

$1,941Multiple Airlines

Wed, 14 Oct - Thu, 29 Oct

15:32 - 18:50STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

33h 18m2 stops Ontario Honolulu

21:40 - 11:08SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

31h 28m2 stops Honolulu Los Angeles

$1,945Multiple Airlines

Thu, 15 Oct - Sat, 31 Oct

18:30 - 12:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

22h 55m2 stops Los Angeles Melbourne

11:15 - 11:07SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

18h 52m1 stop Los Angeles

$2,000Multiple Airlines

Fri, 5 Feb - Sat, 13 Feb

18:30 - 12:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

22h 55m2 stops Los Angeles Melbourne

11:15 - 15:57SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

23h 42m2 stops Los Angeles Phoenix Sky Harbor Intl

$2,005Multiple Airlines

Fri, 5 Feb - Sat, 13 Feb

11:21 - 07:20STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

25h 59m2 stops Salt Lake City Los Angeles

13:35 - 21:48SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

27h 13m2 stops Los Angeles Salt Lake City

$2,009Delta

Sun, 25 Oct - Tue, 26 Jan

18:30 - 13:55STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

24h 25m2 stops Los Angeles Melbourne

06:05 - 15:57SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

28h 52m3 stops Brisbane Los Angeles Phoenix Sky Harbor Intl

$2,012Multiple Airlines

Fri, 5 Feb - Sat, 13 Feb

15:32 - 18:50STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

33h 18m2 stops Ontario Honolulu

21:40 - 08:57SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

29h 17m2 stops Honolulu Portland

$2,028Multiple Airlines

Wed, 14 Oct - Tue, 27 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

18:53 - 18:50STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

30h 57m2 stops Portland Honolulu

20:45 - 18:18SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

38h 33m2 stops Honolulu Los Angeles

$2,501Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

07:10 - 17:10STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

41h 00m2 stops Los Angeles Doha Hamad Intl

19:30 - 21:56SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

44h 26m3 stops Brisbane Doha Hamad Intl Seattle/Tacoma Intl

$3,256Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

13:08 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

24h 57m2 stops Phoenix Sky Harbor Intl Los Angeles

18:50 - 12:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

35h 23m2 stops Los Angeles Dallas/Fort Worth

$3,383American Airlines

Sun, 27 Sep - Wed, 7 Oct

13:08 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

24h 57m2 stops Phoenix Sky Harbor Intl Los Angeles

13:00 - 12:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

41h 13m1 stop Dallas/Fort Worth

$3,406American Airlines

Sun, 27 Sep - Wed, 7 Oct

16:21 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

45h 44m2 stops Phoenix Sky Harbor Intl Los Angeles

18:50 - 12:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

35h 23m2 stops Los Angeles Dallas/Fort Worth

$3,410American Airlines

Sat, 26 Sep - Wed, 7 Oct

12:01 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 04m1 stop Los Angeles

10:10 - 17:46SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

25h 36m1 stop Los Angeles

$3,448American Airlines

Thu, 24 Sep - Mon, 5 Oct

12:01 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 04m1 stop Los Angeles

18:50 - 12:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

35h 23m2 stops Los Angeles Dallas/Fort Worth

$3,453American Airlines

Thu, 24 Sep - Mon, 5 Oct

12:01 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 04m1 stop Los Angeles

13:00 - 12:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

41h 13m1 stop Dallas/Fort Worth

$3,469American Airlines

Fri, 25 Sep - Wed, 7 Oct

12:01 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 04m1 stop Los Angeles

09:10 - 19:30SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

27h 20m1 stop Los Angeles

$3,518American Airlines

Thu, 24 Sep - Sat, 3 Oct

12:01 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 04m1 stop Los Angeles

09:10 - 21:31SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

29h 21m1 stop Los Angeles

$3,531American Airlines

Thu, 24 Sep - Fri, 2 Oct

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Delta flights from Santa Rosa to Sydney

Our best Delta deals on Santa Rosa to Sydney flight tickets

Delta

25 Oct

STS11:21Santa Rosa Sonoma County

25h 59m

2 stops

SYD07:20Sydney Kingsford Smith

26 Jan

SYD13:35Sydney Kingsford Smith

27h 13m

2 stops

STS21:48Santa Rosa Sonoma County

$2,009

Delta

31 Oct

STS16:49Santa Rosa Sonoma County

45h 41m

2 stops

SYD08:30Sydney Kingsford Smith

26 Jan

SYD13:35Sydney Kingsford Smith

27h 13m

2 stops

STS21:48Santa Rosa Sonoma County

$2,031

Delta

17 Oct

STS16:49Santa Rosa Sonoma County

45h 01m

2 stops

SYD07:50Sydney Kingsford Smith

26 Oct

SYD09:40Sydney Kingsford Smith

43h 01m

2 stops

STS10:41Santa Rosa Sonoma County

$2,042

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

26 Oct

STS13:10Santa Rosa Sonoma County

25h 50m

2 stops

SYD09:00Sydney Kingsford Smith

26 Jan

SYD11:15Sydney Kingsford Smith

23h 33m

2 stops

STS15:48Santa Rosa Sonoma County

$2,259

American Airlines

25 Oct

STS07:00Santa Rosa Sonoma County

32h 00m

1 stop

SYD09:00Sydney Kingsford Smith

27 Jan

SYD11:20Sydney Kingsford Smith

23h 28m

2 stops

STS15:48Santa Rosa Sonoma County

$2,269

American Airlines

24 Oct

STS16:11Santa Rosa Sonoma County

46h 49m

2 stops

SYD09:00Sydney Kingsford Smith

26 Jan

SYD11:15Sydney Kingsford Smith

23h 33m

2 stops

STS15:48Santa Rosa Sonoma County

$2,280

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 27/10

15:32-19:45

2 stops34h 13m

Sydney Kingsford Smith

Mon 25/1

21:40-12:21

2 stops33h 41m

$1,699

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Thu 29/10

11:57-06:25

1 stop24h 28m

Sydney Kingsford Smith

Wed 27/1

11:05-12:21

2 stops20h 16m

$1,709

Fastest return journey

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sat 21/11

16:55-06:25

1 stop18h 30m

Sydney Kingsford Smith

Wed 2/12

21:25-23:21

2 stops20h 56m

$1,908

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 14/10

11:57-18:50

2 stops36h 53m

Sydney Kingsford Smith

Thu 29/10

21:40-11:17

2 stops31h 37m

$1,941

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Thu 15/10

15:32-18:50

2 stops33h 18m

Sydney Kingsford Smith

Sat 31/10

21:40-11:08

2 stops31h 28m

$1,945

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Fri 5/2

18:30-12:25

2 stops22h 55m

Sydney Kingsford Smith

Sat 13/2

11:15-11:07

1 stop18h 52m

$2,000

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Fri 5/2

18:30-12:25

2 stops22h 55m

Sydney Kingsford Smith

Sat 13/2

11:15-15:57

2 stops23h 42m

$2,005

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 25/10

11:21-07:20

2 stops25h 59m

Sydney Kingsford Smith

Tue 26/1

13:35-21:48

2 stops27h 13m

$2,009

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Fri 5/2

18:30-13:55

2 stops24h 25m

Sydney Kingsford Smith

Sat 13/2

06:05-15:57

3 stops28h 52m

$2,012

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 14/10

15:32-18:50

2 stops33h 18m

Sydney Kingsford Smith

Tue 27/10

21:40-08:57

2 stops29h 17m

$2,028

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 $1,886. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,725.

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	$906
Fastest flight time	18h 30m
Direct flights	None

The best one-way flight to Sydney from Santa Rosa in the past 72 hours is $906. The best return flight deal from Santa Rosa to Sydney found on momondo in the last 72 hours is $1,699.

The fastest flight from Santa Rosa to Sydney takes 18h 30m

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 18h 30m, 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.