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

Alaska Airlines 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.

$1,636 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.

18:30 - 11:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

21h 35m2 stops Los Angeles Brisbane

11:15 - 14:22SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

22h 07m1 stop Los Angeles

$1,636Multiple Airlines

Wed, 3 Feb - Sun, 14 Feb

13:17 - 10:20STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 03m3 stops Phoenix Sky Harbor Intl Los Angeles Brisbane

11:15 - 14:22SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

22h 07m1 stop Los Angeles

$1,643Multiple Airlines

Wed, 3 Feb - Sun, 14 Feb

13:17 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

22h 08m2 stops Phoenix Sky Harbor Intl Los Angeles

16:35 - 21:54SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

24h 19m3 stops Canberra Melbourne Los Angeles

$1,772Multiple Airlines

Wed, 3 Feb - Sun, 14 Feb

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

$1,777Multiple 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

$1,794Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

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

41h 25m2 stops Seattle/Tacoma Intl Honolulu

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

31h 35m2 stops Honolulu Los Angeles

$1,795Multiple Airlines

Sun, 8 Nov - Thu, 12 Nov

13:19 - 09:00STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

24h 41m2 stops Phoenix Sky Harbor Intl Los Angeles

21:00 - 12:49SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

58h 49m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$2,478American Airlines

Wed, 23 Dec - Tue, 29 Dec

07:00 - 09:00STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

55h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

21:00 - 12:49SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

58h 49m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$2,501American Airlines

Tue, 22 Dec - Tue, 29 Dec

07:00 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

28h 25m2 stops Phoenix Sky Harbor Intl Los Angeles

21:00 - 12:49SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

58h 49m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$2,550American Airlines

Thu, 24 Dec - Tue, 29 Dec

16:25 - 09:00STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

21h 35m2 stops Phoenix Sky Harbor Intl Los Angeles

11:10 - 15:55SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

23h 45m2 stops Los Angeles Phoenix Sky Harbor Intl

$2,706American Airlines

Wed, 23 Dec - Mon, 28 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

Delta flights from Santa Rosa to Sydney

Our best Delta deals on Santa Rosa to Sydney flight tickets

Delta

23 Dec

STS16:50Santa Rosa Sonoma County

44h 40m

2 stops

SYD08:30Sydney Kingsford Smith

30 Dec

SYD10:40Sydney Kingsford Smith

43h 05m

2 stops

STS10:45Santa Rosa Sonoma County

$3,019

Delta

22 Dec

STS16:50Santa Rosa Sonoma County

44h 40m

2 stops

SYD08:30Sydney Kingsford Smith

30 Dec

SYD10:40Sydney Kingsford Smith

43h 05m

2 stops

STS10:45Santa Rosa Sonoma County

$3,036

Qatar Airways flights from Santa Rosa to Sydney

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

Qatar Airways

18 Nov

STS07:20Santa Rosa Sonoma County

52h 30m

2 stops

SYD06:50Sydney Kingsford Smith

28 Nov

SYD13:00Sydney Kingsford Smith

49h 11m

3 stops

STS19:11Santa Rosa Sonoma County

$3,038

Qatar Airways

22 Nov

STS07:41Santa Rosa Sonoma County

43h 44m

3 stops

SYD22:25Sydney Kingsford Smith

30 Nov

SYD15:50Sydney Kingsford Smith

50h 31m

2 stops

STS23:21Santa Rosa Sonoma County

$3,145

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 3/2

18:30-11:05

2 stops21h 35m

Sydney Kingsford Smith

Sun 14/2

11:15-14:22

1 stop22h 07m

$1,636

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 3/2

13:17-10:20

3 stops26h 03m

Sydney Kingsford Smith

Sun 14/2

11:15-14:22

1 stop22h 07m

$1,643

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 3/2

13:17-06:25

2 stops22h 08m

Sydney Kingsford Smith

Sun 14/2

16:35-21:54

3 stops24h 19m

$1,772

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

$1,777

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

$1,794

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Sun 8/11

07:20-19:45

2 stops41h 25m

Sydney Kingsford Smith

Thu 12/11

21:40-10:15

2 stops31h 35m

$1,795

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 23/12

13:19-09:00

2 stops24h 41m

Sydney Kingsford Smith

Tue 29/12

21:00-12:49

2 stops58h 49m

$2,478

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 22/12

07:00-09:00

2 stops55h 00m

Sydney Kingsford Smith

Tue 29/12

21:00-12:49

2 stops58h 49m

$2,501

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Thu 24/12

07:00-06:25

2 stops28h 25m

Sydney Kingsford Smith

Tue 29/12

21:00-12:49

2 stops58h 49m

$2,550

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 23/12

16:25-09:00

2 stops21h 35m

Sydney Kingsford Smith

Mon 28/12

11:10-15:55

2 stops23h 45m

$2,706

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 $1,913. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,563.

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	$1,648
Fastest flight time	21h 35m
Direct flights	None

The best one-way flight to Sydney from Santa Rosa in the past 72 hours is $1,648. The best return flight deal from Santa Rosa to Sydney found on momondo in the last 72 hours is $1,636.

The fastest flight from Santa Rosa to Sydney takes 21h 35m

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 35m, 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

Lithgow

Coogee

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.