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

Delta is the most popular carrier operating from Santa Rosa Sonoma County to Sydney Kingsford Smith

Which airlines fly to Sydney?

Qantas Airways, Fiji Airways and United Airlines 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.

$1,707 Cheap Flights from Santa Rosa to Sydney in 2026/27

Find the cheapest flights from Santa Rosa to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:23 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

31h 22m2 stops Seattle/Tacoma Intl Honolulu

21:40 - 10:15SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

31h 35m2 stops Honolulu Los Angeles

$1,773Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

17:23 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

31h 22m2 stops Seattle/Tacoma Intl Honolulu

21:40 - 10:15SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

31h 35m2 stops Honolulu Los Angeles

$1,844Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

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

41h 38m2 stops Los Angeles Honolulu

21:40 - 19:28SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

40h 48m2 stops Honolulu Portland

$1,862Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

07:48 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

27h 37m1 stop Los Angeles

19:15 - 18:33SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

42h 18m3 stops Auckland Intl Papeete Faaa Los Angeles

$2,203Multiple Airlines

Sat, 12 Dec - Sat, 19 Dec

08:50 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 35m1 stop Los Angeles

21:40 - 10:03SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

31h 23m2 stops Honolulu Seattle/Tacoma Intl

$2,615Multiple Airlines

Sun, 13 Dec - Sun, 20 Dec

08:50 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 35m1 stop Los Angeles

12:45 - 11:21SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

41h 36m2 stops Auckland Intl Los Angeles

$3,081Multiple Airlines

Sat, 12 Dec - Sat, 19 Dec

07:48 - 19:45STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

40h 57m2 stops Los Angeles Honolulu

21:40 - 23:59SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

21h 19m2 stops Honolulu Seattle/Tacoma Intl

$3,237Multiple Airlines

Sun, 13 Dec - Sun, 20 Dec

08:50 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 35m1 stop Los Angeles

11:15 - 11:21SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

19h 06m1 stop Los Angeles

$3,286Multiple Airlines

Sun, 13 Dec - Sun, 20 Dec

07:48 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

27h 37m1 stop Los Angeles

11:15 - 11:13SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

18h 58m1 stop Los Angeles

$3,486Multiple Airlines

Sat, 12 Dec - Sat, 19 Dec

07:48 - 22:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

43h 37m3 stops Los Angeles Doha Hamad Intl Melbourne

21:10 - 23:59SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

45h 49m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$3,885Multiple Airlines

Sun, 13 Dec - Sun, 20 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

8 Nov

STS11:30Santa Rosa Sonoma County

26h 30m

1 stop

SYD09:00Sydney Kingsford Smith

12 Nov

SYD11:10Sydney Kingsford Smith

18h 05m

1 stop

STS10:15Santa Rosa Sonoma County

$4,389

Alaska Airlines

8 Nov

STS11:30Santa Rosa Sonoma County

26h 30m

1 stop

SYD09:00Sydney Kingsford Smith

12 Nov

SYD11:10Sydney Kingsford Smith

18h 05m

1 stop

STS10:15Santa Rosa Sonoma County

$4,531

Alaska Airlines

8 Nov

STS11:30Santa Rosa Sonoma County

26h 30m

1 stop

SYD09:00Sydney Kingsford Smith

12 Nov

SYD11:10Sydney Kingsford Smith

18h 05m

1 stop

STS10:15Santa Rosa Sonoma County

$4,675

Qatar Airways flights from Santa Rosa to Sydney

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

Qatar Airways

13 Jan

STS07:00Santa Rosa Sonoma County

40h 20m

2 stops

SYD18:20Sydney Kingsford Smith

3 Feb

SYD19:00Sydney Kingsford Smith

42h 31m

3 stops

STS18:31Santa Rosa Sonoma County

$4,452

Qatar Airways

13 Dec

STS07:48Santa Rosa Sonoma County

43h 37m

3 stops

SYD22:25Sydney Kingsford Smith

20 Dec

SYD19:30Sydney Kingsford Smith

47h 29m

3 stops

STS23:59Santa Rosa Sonoma County

$5,404

Qatar Airways

17 Dec

STS12:01Santa Rosa Sonoma County

47h 49m

2 stops

SYD06:50Sydney Kingsford Smith

4 Jan

SYD14:00Sydney Kingsford Smith

47h 31m

3 stops

STS18:31Santa Rosa Sonoma County

$5,511

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

Sun 8/11

17:23-19:45

2 stops31h 22m

Sydney Kingsford Smith

Thu 12/11

21:40-10:15

2 stops31h 35m

$1,773

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 8/11

17:23-19:45

2 stops31h 22m

Sydney Kingsford Smith

Thu 12/11

21:40-10:15

2 stops31h 35m

$1,844

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 8/11

07:07-19:45

2 stops41h 38m

Sydney Kingsford Smith

Thu 12/11

21:40-19:28

2 stops40h 48m

$1,862

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sat 12/12

07:48-06:25

1 stop27h 37m

Sydney Kingsford Smith

Sat 19/12

19:15-18:33

3 stops42h 18m

$2,203

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 13/12

08:50-06:25

1 stop26h 35m

Sydney Kingsford Smith

Sun 20/12

21:40-10:03

2 stops31h 23m

$2,615

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sat 12/12

08:50-06:25

1 stop26h 35m

Sydney Kingsford Smith

Sat 19/12

12:45-11:21

2 stops41h 36m

$3,081

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 13/12

07:48-19:45

2 stops40h 57m

Sydney Kingsford Smith

Sun 20/12

21:40-23:59

2 stops21h 19m

$3,237

Fastest return journey

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 13/12

08:50-06:25

1 stop26h 35m

Sydney Kingsford Smith

Sun 20/12

11:15-11:21

1 stop19h 06m

$3,286

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sat 12/12

07:48-06:25

1 stop27h 37m

Sydney Kingsford Smith

Sat 19/12

11:15-11:13

1 stop18h 58m

$3,486

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 13/12

07:48-22:25

3 stops43h 37m

Sydney Kingsford Smith

Sun 20/12

21:10-23:59

2 stops45h 49m

$3,885

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 $1,909. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,759.

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	$1,707
Fastest flight time	27h 37m
Direct flights	None

The best one-way flight to Sydney from Santa Rosa in the past 72 hours is $1,707. The best return flight deal from Santa Rosa to Sydney found on momondo in the last 72 hours is $1,773.

The fastest flight from Santa Rosa to Sydney takes 27h 37m

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 27h 37m, 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.

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Swansea

Newport

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.