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 37% 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.

$1,142 Cheap Flights from Santa Rosa to Sydney in 2026

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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.

11:35 - 11:50

STS

SYD

31h 15m

2 stops

17:50 - 15:55

SYD

STS

39h 05m

1 stop

$2,513Multiple Airlines

Thu, 16 Jul - Thu, 23 Jul

17:35 - 18:50

STS

SYD

32h 15m

2 stops

20:45 - 18:43

SYD

STS

38h 58m

2 stops

$2,546Multiple Airlines

Thu, 16 Jul - Thu, 23 Jul

07:00 - 07:25

STS

SYD

53h 25m

3 stops

15:50 - 18:07

SYD

STS

45h 17m

2 stops

$2,915Qatar Airways

Thu, 19 Nov - Sun, 29 Nov

07:00 - 07:25

STS

SYD

53h 25m

3 stops

15:50 - 18:07

SYD

STS

45h 17m

2 stops

$2,927Qatar Airways

Fri, 20 Nov - Sun, 29 Nov

07:10 - 06:20

STS

SYD

30h 10m

2 stops

08:55 - 18:16

SYD

STS

50h 21m

2 stops

$3,028Japan Airlines

Wed, 19 Aug - Sun, 23 Aug

07:10 - 06:20

STS

SYD

30h 10m

2 stops

08:55 - 18:16

SYD

STS

50h 21m

2 stops

$3,029Japan Airlines

Wed, 19 Aug - Sun, 23 Aug

17:35 - 07:30

STS

SYD

20h 55m

1 stop

17:50 - 15:55

SYD

STS

39h 05m

1 stop

$3,316Multiple Airlines

Thu, 16 Jul - Thu, 23 Jul

12:01 - 07:05

STS

SYD

26h 04m

1 stop

09:10 - 21:31

SYD

STS

29h 21m

1 stop

$3,512Alaska Airlines

Wed, 19 Aug - Sun, 23 Aug

12:01 - 18:00

STS

SYD

36h 59m

2 stops

17:50 - 11:21

SYD

STS

34h 31m

1 stop

$3,755Qantas Airways

Wed, 19 Aug - Sun, 23 Aug

12:01 - 22:25

STS

SYD

41h 24m

2 stops

17:50 - 11:21

SYD

STS

34h 31m

1 stop

$3,765Qantas Airways

Wed, 19 Aug - Sun, 23 Aug

Japan Airlines flights from Santa Rosa to Sydney

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

Japan Airlines

19 Aug

STS07:10Santa Rosa Sonoma County

30h 10m

2 stops

SYD06:20Sydney Kingsford Smith

23 Aug

SYD08:55Sydney Kingsford Smith

50h 21m

2 stops

STS18:16Santa Rosa Sonoma County

$3,028

Japan Airlines

19 Aug

STS07:10Santa Rosa Sonoma County

30h 10m

2 stops

SYD06:20Sydney Kingsford Smith

23 Aug

SYD08:55Sydney Kingsford Smith

50h 21m

2 stops

STS18:16Santa Rosa Sonoma County

$3,029

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

19 Aug

STS12:01Santa Rosa Sonoma County

36h 59m

2 stops

SYD18:00Sydney Kingsford Smith

23 Aug

SYD17:50Sydney Kingsford Smith

34h 31m

1 stop

STS11:21Santa Rosa Sonoma County

$3,755

Qantas Airways

19 Aug

STS12:01Santa Rosa Sonoma County

41h 24m

2 stops

SYD22:25Sydney Kingsford Smith

23 Aug

SYD17:50Sydney Kingsford Smith

34h 31m

1 stop

STS11:21Santa Rosa Sonoma County

$3,765

Qantas Airways

19 Aug

STS12:01Santa Rosa Sonoma County

41h 24m

2 stops

SYD22:25Sydney Kingsford Smith

23 Aug

SYD17:50Sydney Kingsford Smith

34h 31m

1 stop

STS11:21Santa Rosa Sonoma County

$3,766

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 16/7

11:35-11:50

2 stops31h 15m

Sydney Kingsford Smith

Thu 23/7

17:50-15:55

1 stop39h 05m

$2,513

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 16/7

17:35-18:50

2 stops32h 15m

Sydney Kingsford Smith

Thu 23/7

20:45-18:43

2 stops38h 58m

$2,546

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 19/11

07:00-07:25

3 stops53h 25m

Sydney Kingsford Smith

Sun 29/11

15:50-18:07

2 stops45h 17m

$2,915

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 20/11

07:00-07:25

3 stops53h 25m

Sydney Kingsford Smith

Sun 29/11

15:50-18:07

2 stops45h 17m

$2,927

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 19/8

07:10-06:20

2 stops30h 10m

Sydney Kingsford Smith

Sun 23/8

08:55-18:16

2 stops50h 21m

$3,028

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 19/8

07:10-06:20

2 stops30h 10m

Sydney Kingsford Smith

Sun 23/8

08:55-18:16

2 stops50h 21m

$3,029

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 16/7

17:35-07:30

1 stop20h 55m

Sydney Kingsford Smith

Thu 23/7

17:50-15:55

1 stop39h 05m

$3,316

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 19/8

12:01-07:05

1 stop26h 04m

Sydney Kingsford Smith

Sun 23/8

09:10-21:31

1 stop29h 21m

$3,512

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 19/8

12:01-18:00

2 stops36h 59m

Sydney Kingsford Smith

Sun 23/8

17:50-11:21

1 stop34h 31m

$3,755

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 19/8

12:01-22:25

2 stops41h 24m

Sydney Kingsford Smith

Sun 23/8

17:50-11:21

1 stop34h 31m

$3,765

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 $1,561. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,651.

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	30h 10m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 30h 10m

There are no direct flights from Santa Rosa to Sydney. There are no popular flight routes from Santa Rosa to Sydney.

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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 30h 10m, 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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Lithgow

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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.