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

Alaska Airlines, American Airlines, and Qantas Airways are the most popular carriers 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 6 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.

$904 Cheap Flights from Santa Rosa to Sydney (STS-SYD) in 2025

1 adult

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Find the cheapest flights from Santa Rosa to Sydney (STS-SYD)

Round-trip

One-way

Cheap return flights

06:25 - 19:45STS-SYD

43h 20m2 stops

21:40 - 13:36SYD-STS

33h 56m2 stops

$1,650Alaska Airlines

Find Deal

Wed, 15 Oct - Tue, 21 Oct

06:25 - 19:45STS-SYD

43h 20m2 stops

21:40 - 13:26SYD-STS

33h 46m2 stops

$1,664Alaska Airlines

Find Deal

Wed, 15 Oct - Sun, 26 Oct

17:00 - 19:45STS-SYD

56h 45m2 stops

21:40 - 13:26SYD-STS

33h 46m2 stops

$1,672Alaska Airlines

Find Deal

Sat, 18 Oct - Sun, 26 Oct

13:36 - 13:00STS-SYD

28h 24m2 stops

14:00 - 23:56SYD-STS

28h 56m2 stops

$1,895

Find Deal

Thu, 27 Nov - Sun, 30 Nov

13:36 - 07:25STS-SYD

22h 49m1 stop

21:30 - 12:38SYD-STS

34h 08m2 stops

$2,665

Find Deal

Thu, 27 Nov - Sun, 30 Nov

07:00 - 07:30STS-SYD

30h 30m1 stop

21:00 - 10:10SYD-STS

55h 10m2 stops

$2,920Qantas Airways

Find Deal

Wed, 15 Oct - Sun, 26 Oct

07:00 - 07:30STS-SYD

30h 30m1 stop

18:45 - 23:33SYD-STS

22h 48m1 stop

$2,935Qantas Airways

Find Deal

Wed, 15 Oct - Fri, 24 Oct

12:41 - 11:25STS-SYD

52h 44m2 stops

16:00 - 23:33SYD-STS

49h 33m2 stops

$3,023Singapore Airlines

Find Deal

Sat, 18 Oct - Thu, 23 Oct

12:41 - 06:55STS-SYD

48h 14m2 stops

19:05 - 23:33SYD-STS

46h 28m3 stops

$3,100Singapore Airlines

Find Deal

Sat, 18 Oct - Thu, 23 Oct

13:18 - 09:00STS-SYD

48h 42m2 stops

11:20 - 10:10SYD-STS

17h 50m1 stop

$3,354American Airlines

Find Deal

Fri, 7 Nov - Tue, 11 Nov

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

15 Oct

STS06:25Santa Rosa Sonoma County

43h 20m

2 stops

SYD19:45Sydney Kingsford Smith

21 Oct

SYD21:40Sydney Kingsford Smith

33h 56m

2 stops

STS13:36Santa Rosa Sonoma County

$1,650

Find similar

Alaska Airlines

15 Oct

STS06:25Santa Rosa Sonoma County

43h 20m

2 stops

SYD19:45Sydney Kingsford Smith

26 Oct

SYD21:40Sydney Kingsford Smith

33h 46m

2 stops

STS13:26Santa Rosa Sonoma County

$1,664

Find similar

Alaska Airlines

18 Oct

STS17:00Santa Rosa Sonoma County

56h 45m

2 stops

SYD19:45Sydney Kingsford Smith

26 Oct

SYD21:40Sydney Kingsford Smith

33h 46m

2 stops

STS13:26Santa Rosa Sonoma County

$1,672

Find similar

Qantas Airways flights from Santa Rosa to Sydney

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

Qantas Airways

15 Oct

STS07:00Santa Rosa Sonoma County

30h 30m

1 stop

SYD07:30Sydney Kingsford Smith

26 Oct

SYD21:00Sydney Kingsford Smith

55h 10m

2 stops

STS10:10Santa Rosa Sonoma County

$2,920

Find similar

Qantas Airways

15 Oct

STS07:00Santa Rosa Sonoma County

30h 30m

1 stop

SYD07:30Sydney Kingsford Smith

24 Oct

SYD18:45Sydney Kingsford Smith

22h 48m

1 stop

STS23:33Santa Rosa Sonoma County

$2,935

Find similar

Qantas Airways

15 Oct

STS07:00Santa Rosa Sonoma County

33h 25m

2 stops

SYD10:25Sydney Kingsford Smith

24 Oct

SYD18:45Sydney Kingsford Smith

22h 48m

1 stop

STS23:33Santa Rosa Sonoma County

$2,963

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 15/10

06:25-19:45

2 stops43h 20m

Sydney Kingsford Smith

Tue 21/10

21:40-13:36

2 stops33h 56m

$1,650

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 15/10

06:25-19:45

2 stops43h 20m

Sydney Kingsford Smith

Sun 26/10

21:40-13:26

2 stops33h 46m

$1,664

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 18/10

17:00-19:45

2 stops56h 45m

Sydney Kingsford Smith

Sun 26/10

21:40-13:26

2 stops33h 46m

$1,672

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 27/11

13:36-13:00

2 stops28h 24m

Sydney Kingsford Smith

Sun 30/11

14:00-23:56

2 stops28h 56m

$1,895

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 27/11

13:36-07:25

1 stop22h 49m

Sydney Kingsford Smith

Sun 30/11

21:30-12:38

2 stops34h 08m

$2,665

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 15/10

07:00-07:30

1 stop30h 30m

Sydney Kingsford Smith

Sun 26/10

21:00-10:10

2 stops55h 10m

$2,920

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Wed 15/10

07:00-07:30

1 stop30h 30m

Sydney Kingsford Smith

Fri 24/10

18:45-23:33

1 stop22h 48m

$2,935

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 18/10

12:41-11:25

2 stops52h 44m

Sydney Kingsford Smith

Thu 23/10

16:00-23:33

2 stops49h 33m

$3,023

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 18/10

12:41-06:55

2 stops48h 14m

Sydney Kingsford Smith

Thu 23/10

19:05-23:33

3 stops46h 28m

$3,100

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 7/11

13:18-09:00

2 stops48h 42m

Sydney Kingsford Smith

Tue 11/11

11:20-10:10

1 stop17h 50m

$3,354

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 Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,668. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,922.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Santa Rosa to Sydney in the afternoon for as low as $1,689. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,092 on average. Flights to Sydney from Santa Rosa in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights	None

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 22h 49m, 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.