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

Qantas Airways and Alaska Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Sydney Kingsford Smith

Which airlines fly to Sydney?

United Airlines, Qantas Airways and Fiji 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 43% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 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.

$981 Cheap Flights from Santa Rosa to Sydney in 2026

Find the cheapest flights from Santa Rosa to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:36 - 07:30

STS

SYD

21h 54m

1 stop

06:25 - 11:21

SYD

STS

21h 56m

2 stops

$2,081Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

16:36 - 07:30

STS

SYD

21h 54m

1 stop

09:10 - 11:21

SYD

STS

19h 11m

1 stop

$2,202Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

11:25 - 07:50

STS

SYD

26h 25m

2 stops

10:40 - 16:08

SYD

STS

24h 28m

2 stops

$2,214Delta

Thu, 22 Oct - Thu, 12 Nov

16:36 - 09:10

STS

SYD

23h 34m

2 stops

06:25 - 11:21

SYD

STS

21h 56m

2 stops

$2,223Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

12:45 - 08:05

STS

SYD

25h 20m

2 stops

19:15 - 12:06

SYD

STS

35h 51m

2 stops

$2,275American Airlines

Thu, 22 Oct - Sat, 14 Nov

09:00 - 09:00

STS

SYD

29h 00m

2 stops

11:15 - 15:53

SYD

STS

23h 38m

2 stops

$2,350American Airlines

Fri, 20 Nov - Sun, 29 Nov

07:00 - 09:00

STS

SYD

31h 00m

1 stop

11:15 - 22:44

SYD

STS

30h 29m

2 stops

$2,362American Airlines

Thu, 19 Nov - Sun, 29 Nov

18:26 - 08:05

STS

SYD

19h 39m

1 stop

11:15 - 11:40

SYD

STS

19h 25m

1 stop

$2,394Alaska Airlines

Thu, 22 Oct - Thu, 12 Nov

12:03 - 08:05

STS

SYD

26h 02m

1 stop

11:15 - 21:34

SYD

STS

29h 19m

1 stop

$2,406Alaska Airlines

Thu, 22 Oct - Fri, 13 Nov

16:20 - 08:05

STS

SYD

21h 45m

2 stops

14:05 - 22:44

SYD

STS

27h 39m

2 stops

$2,421American Airlines

Thu, 22 Oct - Thu, 12 Nov

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Qatar Airways flights from Santa Rosa to Sydney

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

Qatar Airways

8 Sept

STS07:10Santa Rosa Sonoma County

54h 00m

2 stops

SYD06:10Sydney Kingsford Smith

21 Sept

SYD19:00Sydney Kingsford Smith

43h 31m

3 stops

STS21:31Santa Rosa Sonoma County

$2,438

Qatar Airways

29 Oct

STS07:00Santa Rosa Sonoma County

41h 50m

2 stops

SYD18:50Sydney Kingsford Smith

5 Nov

SYD18:15Sydney Kingsford Smith

46h 19m

3 stops

STS21:34Santa Rosa Sonoma County

$2,546

Qatar Airways

20 Nov

STS07:00Santa Rosa Sonoma County

53h 25m

3 stops

SYD07:25Sydney Kingsford Smith

28 Nov

SYD15:50Sydney Kingsford Smith

62h 17m

2 stops

STS11:07Santa Rosa Sonoma County

$3,017

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

20 Nov

STS15:05Santa Rosa Sonoma County

20h 20m

1 stop

SYD06:25Sydney Kingsford Smith

27 Nov

SYD11:15Sydney Kingsford Smith

25h 52m

1 stop

STS18:07Santa Rosa Sonoma County

$2,489

Qantas Airways

19 Nov

STS17:30Santa Rosa Sonoma County

32h 10m

2 stops

SYD20:40Sydney Kingsford Smith

27 Nov

SYD11:15Sydney Kingsford Smith

25h 52m

1 stop

STS18:07Santa Rosa Sonoma County

$2,516

Qantas Airways

20 Nov

STS15:05Santa Rosa Sonoma County

20h 20m

1 stop

SYD06:25Sydney Kingsford Smith

28 Nov

SYD11:15Sydney Kingsford Smith

28h 08m

1 stop

STS20:23Santa Rosa Sonoma County

$2,821

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 24/9

16:36-07:30

1 stop21h 54m

Sydney Kingsford Smith

Thu 1/10

06:25-11:21

2 stops21h 56m

$2,081

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 24/9

16:36-07:30

1 stop21h 54m

Sydney Kingsford Smith

Thu 1/10

09:10-11:21

1 stop19h 11m

$2,202

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 22/10

11:25-07:50

2 stops26h 25m

Sydney Kingsford Smith

Thu 12/11

10:40-16:08

2 stops24h 28m

$2,214

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 24/9

16:36-09:10

2 stops23h 34m

Sydney Kingsford Smith

Thu 1/10

06:25-11:21

2 stops21h 56m

$2,223

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 22/10

12:45-08:05

2 stops25h 20m

Sydney Kingsford Smith

Sat 14/11

19:15-12:06

2 stops35h 51m

$2,275

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 20/11

09:00-09:00

2 stops29h 00m

Sydney Kingsford Smith

Sun 29/11

11:15-15:53

2 stops23h 38m

$2,350

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 19/11

07:00-09:00

1 stop31h 00m

Sydney Kingsford Smith

Sun 29/11

11:15-22:44

2 stops30h 29m

$2,362

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 22/10

18:26-08:05

1 stop19h 39m

Sydney Kingsford Smith

Thu 12/11

11:15-11:40

1 stop19h 25m

$2,394

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 22/10

12:03-08:05

1 stop26h 02m

Sydney Kingsford Smith

Fri 13/11

11:15-21:34

1 stop29h 19m

$2,406

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 22/10

16:20-08:05

2 stops21h 45m

Sydney Kingsford Smith

Thu 12/11

14:05-22:44

2 stops27h 39m

$2,421

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 $1,583. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,689.

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	21h 54m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 21h 54m

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 21h 54m, 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.