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 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

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.

$1,867 Cheap Flights from Santa Rosa to Sydney in 2026

1 adult

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.

17:21 - 18:50

STS

SYD

32h 29m

2 stops

20:45 - 10:11

SYD

STS

30h 26m

2 stops

$1,867Multiple Airlines

Tue, 2 Jun - Fri, 5 Jun

17:21 - 18:50

STS

SYD

32h 29m

2 stops

20:45 - 10:11

SYD

STS

30h 26m

2 stops

$1,894Multiple Airlines

Fri, 29 May - Fri, 5 Jun

07:00 - 18:50

STS

SYD

42h 50m

2 stops

20:45 - 10:11

SYD

STS

30h 26m

2 stops

$1,898Multiple Airlines

Sun, 31 May - Fri, 5 Jun

17:21 - 18:50

STS

SYD

32h 29m

2 stops

20:45 - 11:10

SYD

STS

31h 25m

2 stops

$1,913Multiple Airlines

Fri, 29 May - Tue, 2 Jun

17:21 - 18:50

STS

SYD

32h 29m

2 stops

20:45 - 17:04

SYD

STS

37h 19m

2 stops

$1,960Multiple Airlines

Fri, 29 May - Thu, 4 Jun

17:35 - 18:50

STS

SYD

32h 15m

2 stops

20:45 - 18:16

SYD

STS

38h 31m

2 stops

$1,977Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

16:35 - 18:50

STS

SYD

57h 15m

2 stops

20:45 - 20:14

SYD

STS

40h 29m

2 stops

$1,986Multiple Airlines

Sat, 8 Aug - Sat, 15 Aug

07:00 - 18:50

STS

SYD

42h 50m

2 stops

20:45 - 18:40

SYD

STS

38h 55m

2 stops

$1,992Multiple Airlines

Sun, 31 May - Thu, 4 Jun

16:35 - 18:50

STS

SYD

57h 15m

2 stops

20:45 - 11:21

SYD

STS

31h 36m

2 stops

$1,994Multiple Airlines

Sat, 8 Aug - Tue, 18 Aug

11:35 - 18:50

STS

SYD

38h 15m

2 stops

20:45 - 17:49

SYD

STS

38h 04m

2 stops

$2,001Multiple Airlines

Tue, 18 Aug - Thu, 3 Sep

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American Airlines flights from Santa Rosa to Sydney

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

American Airlines

20 July

STS11:35Santa Rosa Sonoma County

26h 30m

1 stop

SYD07:05Sydney Kingsford Smith

3 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$2,196

American Airlines

9 Aug

STS12:58Santa Rosa Sonoma County

25h 07m

2 stops

SYD07:05Sydney Kingsford Smith

18 Aug

SYD09:10Sydney Kingsford Smith

23h 45m

1 stop

STS15:55Santa Rosa Sonoma County

$2,203

American Airlines

16 Aug

STS06:00Santa Rosa Sonoma County

32h 05m

1 stop

SYD07:05Sydney Kingsford Smith

30 Aug

SYD09:10Sydney Kingsford Smith

26h 06m

1 stop

STS18:16Santa Rosa Sonoma County

$2,205

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

16 Aug

STS06:00Santa Rosa Sonoma County

32h 05m

1 stop

SYD07:05Sydney Kingsford Smith

25 Aug

SYD09:10Sydney Kingsford Smith

19h 11m

1 stop

STS11:21Santa Rosa Sonoma County

$2,186

Alaska Airlines

17 Aug

STS11:35Santa Rosa Sonoma County

26h 30m

1 stop

SYD07:05Sydney Kingsford Smith

2 Sept

SYD09:10Sydney Kingsford Smith

26h 06m

1 stop

STS18:16Santa Rosa Sonoma County

$2,214

Alaska Airlines

15 Aug

STS11:35Santa Rosa Sonoma County

26h 30m

1 stop

SYD07:05Sydney Kingsford Smith

25 Aug

SYD09:10Sydney Kingsford Smith

26h 06m

1 stop

STS18:16Santa Rosa Sonoma County

$2,236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 2/6

17:21-18:50

2 stops32h 29m

Sydney Kingsford Smith

Fri 5/6

20:45-10:11

2 stops30h 26m

$1,867

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 29/5

17:21-18:50

2 stops32h 29m

Sydney Kingsford Smith

Fri 5/6

20:45-10:11

2 stops30h 26m

$1,894

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 31/5

07:00-18:50

2 stops42h 50m

Sydney Kingsford Smith

Fri 5/6

20:45-10:11

2 stops30h 26m

$1,898

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 29/5

17:21-18:50

2 stops32h 29m

Sydney Kingsford Smith

Tue 2/6

20:45-11:10

2 stops31h 25m

$1,913

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Fri 29/5

17:21-18:50

2 stops32h 29m

Sydney Kingsford Smith

Thu 4/6

20:45-17:04

2 stops37h 19m

$1,960

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Thu 13/8

17:35-18:50

2 stops32h 15m

Sydney Kingsford Smith

Thu 20/8

20:45-18:16

2 stops38h 31m

$1,977

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 8/8

16:35-18:50

2 stops57h 15m

Sydney Kingsford Smith

Sat 15/8

20:45-20:14

2 stops40h 29m

$1,986

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 31/5

07:00-18:50

2 stops42h 50m

Sydney Kingsford Smith

Thu 4/6

20:45-18:40

2 stops38h 55m

$1,992

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 8/8

16:35-18:50

2 stops57h 15m

Sydney Kingsford Smith

Tue 18/8

20:45-11:21

2 stops31h 36m

$1,994

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 18/8

11:35-18:50

2 stops38h 15m

Sydney Kingsford Smith

Thu 3/9

20:45-17:49

2 stops38h 04m

$2,001

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 $1,659. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,094.

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	19h 39m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 19h 39m

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 19h 39m, 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.