What 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 50% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 10 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?

Alaska Airlines and American Airlines are the most popular carriers 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 refreshed on a daily basis.

How old do you have to be to fly from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$689 Cheap Flights from Santa Rosa to Sydney in 2026

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Find the cheapest flights from Santa Rosa to Sydney

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One-way

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8:00 am - 7:25 am

STS

SYD

29h 25m

2 stops

5:45 pm - 11:59 pm

SYD

STS

24h 14m

1 stop

$1,268Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

7:57 pm - 7:45 pm

STS

SYD

29h 48m

2 stops

9:40 pm - 9:03 am

SYD

STS

29h 23m

2 stops

$1,351Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

7:00 am - 9:00 am

STS

SYD

31h 00m

1 stop

11:20 am - 10:11 am

SYD

STS

17h 51m

1 stop

$1,790Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

7:00 am - 9:00 am

STS

SYD

31h 00m

1 stop

11:20 am - 10:11 am

SYD

STS

17h 51m

1 stop

$1,791Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

7:00 am - 9:15 pm

STS

SYD

44h 15m

2 stops

4:10 pm - 7:13 pm

SYD

STS

45h 03m

3 stops

$2,200Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

7:00 am - 5:55 pm

STS

SYD

40h 55m

3 stops

4:10 pm - 7:13 pm

SYD

STS

45h 03m

3 stops

$2,204Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

7:00 am - 9:00 am

STS

SYD

32h 00m

1 stop

11:20 am - 11:59 pm

SYD

STS

30h 39m

1 stop

$2,384American Airlines

Tue, Mar 17 - Tue, Mar 24

8:20 am - 6:20 am

STS

SYD

29h 00m

2 stops

8:55 am - 9:22 pm

SYD

STS

53h 27m

2 stops

$2,820Japan Airlines

Sun, May 17 - Sat, May 23

11:15 am - 6:50 am

STS

SYD

48h 35m

2 stops

3:50 pm - 11:50 pm

SYD

STS

51h 00m

2 stops

$2,889Qatar Airways

Sat, Feb 28 - Wed, Mar 4

11:15 am - 6:50 am

STS

SYD

48h 35m

2 stops

3:50 pm - 11:50 pm

SYD

STS

51h 00m

2 stops

$2,890Qatar Airways

Sat, Feb 28 - Wed, Mar 4

Alaska Airlines flights from Santa Rosa to Sydney

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

Alaska Airlines

Feb 2

STS7:00 amSanta Rosa Sonoma County

31h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 11

SYD11:20 amSydney Kingsford Smith

18h 05m

1 stop

STS10:25 amSanta Rosa Sonoma County

$1,697

Alaska Airlines

Feb 5

STS7:00 amSanta Rosa Sonoma County

31h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 9

SYD11:20 amSydney Kingsford Smith

17h 36m

1 stop

STS9:56 amSanta Rosa Sonoma County

$1,744

Alaska Airlines

Feb 28

STS7:00 amSanta Rosa Sonoma County

31h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 4

SYD11:20 amSydney Kingsford Smith

17h 51m

1 stop

STS10:11 amSanta Rosa Sonoma County

$1,791

American Airlines flights from Santa Rosa to Sydney

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

American Airlines

Feb 3

STS12:55 pmSanta Rosa Sonoma County

25h 05m

2 stops

SYD9:00 amSydney Kingsford Smith

Feb 9

SYD11:20 amSydney Kingsford Smith

23h 33m

2 stops

STS3:53 pmSanta Rosa Sonoma County

$1,693

American Airlines

Feb 3

STS12:55 pmSanta Rosa Sonoma County

25h 05m

2 stops

SYD9:00 amSydney Kingsford Smith

Feb 8

SYD11:20 amSydney Kingsford Smith

30h 38m

1 stop

STS10:58 pmSanta Rosa Sonoma County

$1,700

American Airlines

Feb 2

STS7:00 amSanta Rosa Sonoma County

31h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 8

SYD11:20 amSydney Kingsford Smith

30h 38m

1 stop

STS10:58 pmSanta Rosa Sonoma County

$1,703

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 3/17

8:00 am-7:25 am

2 stops29h 25m

Sydney Kingsford Smith

Tue 3/24

5:45 pm-11:59 pm

1 stop24h 14m

$1,268

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 3/17

7:57 pm-7:45 pm

2 stops29h 48m

Sydney Kingsford Smith

Tue 3/24

9:40 pm-9:03 am

2 stops29h 23m

$1,351

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/28

7:00 am-9:00 am

1 stop31h 00m

Sydney Kingsford Smith

Wed 3/4

11:20 am-10:11 am

1 stop17h 51m

$1,790

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/28

7:00 am-9:00 am

1 stop31h 00m

Sydney Kingsford Smith

Wed 3/4

11:20 am-10:11 am

1 stop17h 51m

$1,791

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 3/17

7:00 am-9:15 pm

2 stops44h 15m

Sydney Kingsford Smith

Tue 3/24

4:10 pm-7:13 pm

3 stops45h 03m

$2,200

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 3/17

7:00 am-5:55 pm

3 stops40h 55m

Sydney Kingsford Smith

Tue 3/24

4:10 pm-7:13 pm

3 stops45h 03m

$2,204

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Tue 3/17

7:00 am-9:00 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 3/24

11:20 am-11:59 pm

1 stop30h 39m

$2,384

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sun 5/17

8:20 am-6:20 am

2 stops29h 00m

Sydney Kingsford Smith

Sat 5/23

8:55 am-9:22 pm

2 stops53h 27m

$2,820

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/28

11:15 am-6:50 am

2 stops48h 35m

Sydney Kingsford Smith

Wed 3/4

3:50 pm-11:50 pm

2 stops51h 00m

$2,889

Santa RosaSydney

STS - SYD

STSSYD

Santa Rosa Sonoma County

Sat 2/28

11:15 am-6:50 am

2 stops48h 35m

Sydney Kingsford Smith

Wed 3/4

3:50 pm-11:50 pm

2 stops51h 00m

$2,890

Flights are sorted by cheapest round-trip 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?

The cheapest day to depart from Santa Rosa to Sydney is on a Tuesday when prices can be found for as low as $1,267. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,386.

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 round-trip 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	25h 10m
Direct flights	None

The fastest flight from Santa Rosa to Sydney takes 25h 10m

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?
The distance between Santa Rosa Sonoma County and Sydney Kingsford Smith is about 7428.0 mi. Flights usually cover this in 25h 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 refreshed on a daily basis.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Randwick

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Coogee

Manly

Lithgow

Leura

Cronulla

Charlestown

Terrigal

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Santa Rosa to Sydney for you.

Can I find flights from Santa Rosa to Sydney with flexible booking policies on momondo?

Flights from Santa Rosa to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Santa Rosa to Sydney?

Once all potential Santa Rosa to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Santa Rosa to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Santa Rosa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.