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?

United Airlines, Fiji Airways and Qantas 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 42% 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.

$1,808 Cheap Flights from Santa Rosa to Sydney in 2026

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

Find the cheapest flights from Santa Rosa to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:17 - 06:55

STS

SYD

25h 38m

1 stop

10:10 - 18:07

SYD

STS

25h 57m

1 stop

$1,808American Airlines

Mon, 7 Sep - Mon, 19 Oct

13:09 - 07:30

STS

SYD

25h 21m

2 stops

10:10 - 18:07

SYD

STS

25h 57m

1 stop

$1,815American Airlines

Mon, 7 Sep - Mon, 19 Oct

18:51 - 07:05

STS

SYD

19h 14m

1 stop

09:10 - 10:01

SYD

STS

17h 51m

1 stop

$2,122Alaska Airlines

Fri, 8 May - Tue, 12 May

18:51 - 07:05

STS

SYD

19h 14m

1 stop

09:10 - 10:01

SYD

STS

17h 51m

1 stop

$2,192Alaska Airlines

Fri, 8 May - Tue, 12 May

19:23 - 19:15

STS

SYD

30h 52m

2 stops

16:00 - 23:45

SYD

STS

49h 45m

3 stops

$2,691Multiple Airlines

Mon, 7 Sep - Mon, 19 Oct

07:00 - 16:45

STS

SYD

40h 45m

3 stops

16:00 - 18:07

SYD

STS

44h 07m

3 stops

$2,760Multiple Airlines

Mon, 7 Sep - Mon, 19 Oct

19:53 - 07:30

STS

SYD

18h 37m

1 stop

17:50 - 23:59

SYD

STS

23h 09m

1 stop

$2,800Multiple Airlines

Sun, 19 Apr - Wed, 29 Apr

19:53 - 07:30

STS

SYD

18h 37m

1 stop

20:15 - 23:59

SYD

STS

20h 44m

2 stops

$2,807Multiple Airlines

Sun, 19 Apr - Wed, 29 Apr

19:53 - 07:30

STS

SYD

18h 37m

1 stop

14:10 - 23:59

SYD

STS

26h 49m

3 stops

$2,973Multiple Airlines

Sun, 19 Apr - Wed, 29 Apr

18:51 - 07:30

STS

SYD

19h 39m

1 stop

17:10 - 23:59

SYD

STS

23h 49m

2 stops

$3,689Qantas Airways

Fri, 8 May - Tue, 12 May

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

7 Sept

STS12:17Santa Rosa Sonoma County

25h 38m

1 stop

SYD06:55Sydney Kingsford Smith

19 Oct

SYD10:10Sydney Kingsford Smith

25h 57m

1 stop

STS18:07Santa Rosa Sonoma County

$1,808

American Airlines

7 Sept

STS13:09Santa Rosa Sonoma County

25h 21m

2 stops

SYD07:30Sydney Kingsford Smith

19 Oct

SYD10:10Sydney Kingsford Smith

25h 57m

1 stop

STS18:07Santa Rosa Sonoma County

$1,815

American Airlines

21 Mar

STS07:05Santa Rosa Sonoma County

31h 55m

1 stop

SYD09:00Sydney Kingsford Smith

29 Mar

SYD18:50Sydney Kingsford Smith

35h 36m

2 stops

STS12:26Santa Rosa Sonoma County

$3,724

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

8 May

STS18:51Santa Rosa Sonoma County

19h 39m

1 stop

SYD07:30Sydney Kingsford Smith

12 May

SYD17:10Sydney Kingsford Smith

23h 49m

2 stops

STS23:59Santa Rosa Sonoma County

$3,689

Qantas Airways

19 Mar

STS12:10Santa Rosa Sonoma County

25h 15m

1 stop

SYD07:25Sydney Kingsford Smith

28 Mar

SYD17:45Sydney Kingsford Smith

24h 14m

1 stop

STS23:59Santa Rosa Sonoma County

$4,063

Qantas Airways

8 May

STS18:51Santa Rosa Sonoma County

23h 04m

2 stops

SYD10:55Sydney Kingsford Smith

12 May

SYD13:00Sydney Kingsford Smith

27h 59m

2 stops

STS23:59Santa Rosa Sonoma County

$4,073

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 7/9

12:17-06:55

1 stop25h 38m

Sydney Kingsford Smith

Mon 19/10

10:10-18:07

1 stop25h 57m

$1,808

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 7/9

13:09-07:30

2 stops25h 21m

Sydney Kingsford Smith

Mon 19/10

10:10-18:07

1 stop25h 57m

$1,815

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 8/5

18:51-07:05

1 stop19h 14m

Sydney Kingsford Smith

Tue 12/5

09:10-10:01

1 stop17h 51m

$2,122

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 8/5

18:51-07:05

1 stop19h 14m

Sydney Kingsford Smith

Tue 12/5

09:10-10:01

1 stop17h 51m

$2,192

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 7/9

19:23-19:15

2 stops30h 52m

Sydney Kingsford Smith

Mon 19/10

16:00-23:45

3 stops49h 45m

$2,691

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 7/9

07:00-16:45

3 stops40h 45m

Sydney Kingsford Smith

Mon 19/10

16:00-18:07

3 stops44h 07m

$2,760

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 19/4

19:53-07:30

1 stop18h 37m

Sydney Kingsford Smith

Wed 29/4

17:50-23:59

1 stop23h 09m

$2,800

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 19/4

19:53-07:30

1 stop18h 37m

Sydney Kingsford Smith

Wed 29/4

20:15-23:59

2 stops20h 44m

$2,807

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 19/4

19:53-07:30

1 stop18h 37m

Sydney Kingsford Smith

Wed 29/4

14:10-23:59

3 stops26h 49m

$2,973

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 8/5

18:51-07:30

1 stop19h 39m

Sydney Kingsford Smith

Tue 12/5

17:10-23:59

2 stops23h 49m

$3,689

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 Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,727. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,112.

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	18h 37m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 18h 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

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 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

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

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.