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

American 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 36% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 5 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.

$961 Cheap Flights from Santa Rosa to Sydney in 2026

1 adult

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Find the cheapest flights from Santa Rosa to Sydney

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One-way

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17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 18:07

SYD

STS

39h 27m

2 stops

$1,993Multiple Airlines

Tue, 17 Nov - Thu, 26 Nov

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 20:23

SYD

STS

41h 43m

2 stops

$2,024Multiple Airlines

Tue, 17 Nov - Tue, 1 Dec

17:35 - 07:05

STS

SYD

20h 30m

1 stop

09:10 - 10:45

SYD

STS

18h 35m

1 stop

$2,176Alaska Airlines

Wed, 5 Aug - Mon, 10 Aug

11:35 - 07:05

STS

SYD

26h 30m

1 stop

09:10 - 15:37

SYD

STS

23h 27m

2 stops

$2,203American Airlines

Wed, 5 Aug - Mon, 10 Aug

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 14:25

SYD

STS

35h 45m

2 stops

$2,225Multiple Airlines

Tue, 17 Nov - Sun, 29 Nov

17:30 - 09:00

STS

SYD

20h 30m

1 stop

11:15 - 11:07

SYD

STS

18h 52m

1 stop

$2,231Alaska Airlines

Mon, 16 Nov - Tue, 1 Dec

17:30 - 19:45

STS

SYD

31h 15m

2 stops

21:40 - 14:25

SYD

STS

59h 45m

2 stops

$2,244Multiple Airlines

Tue, 17 Nov - Sat, 28 Nov

12:38 - 09:00

STS

SYD

25h 22m

2 stops

21:25 - 12:06

SYD

STS

33h 41m

2 stops

$2,259American Airlines

Mon, 16 Nov - Wed, 25 Nov

17:30 - 09:00

STS

SYD

20h 30m

1 stop

11:15 - 18:07

SYD

STS

25h 52m

1 stop

$2,273Alaska Airlines

Mon, 16 Nov - Thu, 26 Nov

17:30 - 09:00

STS

SYD

20h 30m

1 stop

11:15 - 18:07

SYD

STS

25h 52m

1 stop

$2,301Alaska Airlines

Mon, 16 Nov - Sat, 28 Nov

Qatar Airways flights from Santa Rosa to Sydney

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

Qatar Airways

15 Sept

STS12:01Santa Rosa Sonoma County

36h 09m

2 stops

SYD17:10Sydney Kingsford Smith

22 Sept

SYD19:00Sydney Kingsford Smith

43h 31m

3 stops

STS21:31Santa Rosa Sonoma County

$2,331

Qatar Airways

1 Nov

STS07:00Santa Rosa Sonoma County

53h 25m

3 stops

SYD07:25Sydney Kingsford Smith

15 Nov

SYD15:50Sydney Kingsford Smith

48h 44m

2 stops

STS21:34Santa Rosa Sonoma County

$2,378

Qatar Airways

1 July

STS11:38Santa Rosa Sonoma County

49h 32m

2 stops

SYD06:10Sydney Kingsford Smith

8 July

SYD19:00Sydney Kingsford Smith

40h 43m

3 stops

STS18:43Santa Rosa Sonoma County

$2,490

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

8 Aug

STS11:35Santa Rosa Sonoma County

26h 55m

1 stop

SYD07:30Sydney Kingsford Smith

10 Aug

SYD17:50Sydney Kingsford Smith

17h 53m

1 stop

STS18:43Santa Rosa Sonoma County

$3,795

Qantas Airways

1 July

STS17:35Santa Rosa Sonoma County

22h 45m

2 stops

SYD09:20Sydney Kingsford Smith

8 July

SYD17:50Sydney Kingsford Smith

17h 53m

1 stop

STS18:43Santa Rosa Sonoma County

$3,984

Qantas Airways

1 July

STS17:35Santa Rosa Sonoma County

22h 45m

2 stops

SYD09:20Sydney Kingsford Smith

8 July

SYD06:00Sydney Kingsford Smith

26h 55m

2 stops

STS15:55Santa Rosa Sonoma County

$4,005

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 17/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Thu 26/11

21:40-18:07

2 stops39h 27m

$1,993

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 17/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Tue 1/12

21:40-20:23

2 stops41h 43m

$2,024

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 5/8

17:35-07:05

1 stop20h 30m

Sydney Kingsford Smith

Mon 10/8

09:10-10:45

1 stop18h 35m

$2,176

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 5/8

11:35-07:05

1 stop26h 30m

Sydney Kingsford Smith

Mon 10/8

09:10-15:37

2 stops23h 27m

$2,203

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 17/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Sun 29/11

21:40-14:25

2 stops35h 45m

$2,225

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 16/11

17:30-09:00

1 stop20h 30m

Sydney Kingsford Smith

Tue 1/12

11:15-11:07

1 stop18h 52m

$2,231

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 17/11

17:30-19:45

2 stops31h 15m

Sydney Kingsford Smith

Sat 28/11

21:40-14:25

2 stops59h 45m

$2,244

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 16/11

12:38-09:00

2 stops25h 22m

Sydney Kingsford Smith

Wed 25/11

21:25-12:06

2 stops33h 41m

$2,259

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 16/11

17:30-09:00

1 stop20h 30m

Sydney Kingsford Smith

Thu 26/11

11:15-18:07

1 stop25h 52m

$2,273

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Mon 16/11

17:30-09:00

1 stop20h 30m

Sydney Kingsford Smith

Sat 28/11

11:15-18:07

1 stop25h 52m

$2,301

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 $1,565. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,658.

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 09m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 21h 09m

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 09m, 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.