When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Australia?

Prices for flights from Santa Rosa Sonoma County Airport to Australia refresh daily.

How old do you have to be to fly from Santa Rosa Sonoma County Airport to Australia?

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia 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 Australia. 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 Australia in 2026

Find the cheapest flights from Santa Rosa to Australia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:01 - 07:30STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

26h 29m1 stop Los Angeles Los Angeles

18:50 - 20:20SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

19h 30m1 stop Los Angeles Los Angeles

$1,827Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

14:52 - 07:05STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

23h 13m2 stops Portland Los Angeles Los Angeles

21:25 - 08:57SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

29h 32m2 stops San Francisco Portland

$1,837Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

12:01 - 06:25STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

25h 24m2 stops Los Angeles Los Angeles San Francisco

10:10 - 20:20SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

28h 10m1 stop Los Angeles Los Angeles

$1,841Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

08:07 - 06:45STS Santa Rosa Sonoma County-MEL Melbourne

29h 38m2 stops Portland Los Angeles Los Angeles

09:45 - 11:04MEL Melbourne-STS Santa Rosa Sonoma County

18h 19m1 stop Los Angeles Los Angeles

$1,870Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

07:10 - 06:45STS Santa Rosa Sonoma County-MEL Melbourne

30h 35m1 stop Los Angeles Los Angeles

09:45 - 11:04MEL Melbourne-STS Santa Rosa Sonoma County

18h 19m1 stop Los Angeles Los Angeles

$1,872Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

13:08 - 06:45STS Santa Rosa Sonoma County-MEL Melbourne

24h 37m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

09:45 - 15:50MEL Melbourne-STS Santa Rosa Sonoma County

23h 05m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,898American Airlines

Sat, 26 Sep - Sat, 3 Oct

11:57 - 09:15STS Santa Rosa Sonoma County-SYD Sydney Kingsford Smith

27h 18m2 stops Los Angeles Los Angeles Brisbane

11:15 - 14:29SYD Sydney Kingsford Smith-STS Santa Rosa Sonoma County

21h 14m1 stop Los Angeles Los Angeles

$1,999Multiple Airlines

Wed, 21 Oct - Sun, 1 Nov

12:01 - 22:30STS Santa Rosa Sonoma County-BNE Brisbane

41h 29m2 stops Los Angeles Los Angeles Hong Kong Intl

00:05 - 11:17BNE Brisbane-STS Santa Rosa Sonoma County

52h 12m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,066Multiple Airlines

Sat, 26 Sep - Fri, 2 Oct

07:03 - 05:55STS Santa Rosa Sonoma County-MEL Melbourne

29h 52m2 stops Seattle/Tacoma Intl Hong Kong Intl

23:45 - 21:31MEL Melbourne-STS Santa Rosa Sonoma County

38h 46m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,122Multiple Airlines

Thu, 17 Sep - Mon, 21 Sep

07:00 - 23:20STS Santa Rosa Sonoma County-MEL Melbourne

45h 20m2 stops Seattle/Tacoma Intl Doha Hamad Intl

23:40 - 22:09MEL Melbourne-STS Santa Rosa Sonoma County

41h 29m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$2,135Qatar Airways

Sat, 14 Nov - Wed, 18 Nov

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American Airlines flights from Santa Rosa to Australia

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

American Airlines

26 Sept

STS13:08Santa Rosa Sonoma County

24h 37m

2 stops

MEL06:45Melbourne

3 Oct

MEL09:45Melbourne

23h 05m

2 stops

STS15:50Santa Rosa Sonoma County

$1,898

American Airlines

26 Sept

STS13:08Santa Rosa Sonoma County

24h 37m

2 stops

MEL06:45Melbourne

5 Oct

MEL09:45Melbourne

44h 28m

2 stops

STS12:13Santa Rosa Sonoma County

$2,194

American Airlines

25 Sept

STS16:21Santa Rosa Sonoma County

45h 24m

2 stops

MEL06:45Melbourne

11 Oct

MEL09:45Melbourne

24h 08m

2 stops

STS15:53Santa Rosa Sonoma County

$2,215

Alaska Airlines flights from Santa Rosa to Australia

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

Alaska Airlines

23 Dec

STS12:06Santa Rosa Sonoma County

25h 54m

1 stop

SYD09:00Sydney Kingsford Smith

30 Dec

SYD11:20Sydney Kingsford Smith

19h 06m

1 stop

STS11:26Santa Rosa Sonoma County

$2,737

Alaska Airlines

8 Nov

STS08:00Santa Rosa Sonoma County

30h 00m

2 stops

SYD09:00Sydney Kingsford Smith

11 Nov

SYD11:20Sydney Kingsford Smith

29h 49m

2 stops

STS22:09Santa Rosa Sonoma County

$2,828

Alaska Airlines

8 Nov

STS07:20Santa Rosa Sonoma County

30h 40m

1 stop

SYD09:00Sydney Kingsford Smith

11 Nov

SYD11:20Sydney Kingsford Smith

21h 13m

1 stop

STS13:33Santa Rosa Sonoma County

$2,833

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 29/9

12:01-07:30

1 stop26h 29m

Sydney Kingsford Smith

Tue 6/10

18:50-20:20

1 stop19h 30m

$1,827

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 29/9

14:52-07:05

2 stops23h 13m

Sydney Kingsford Smith

Tue 6/10

21:25-08:57

2 stops29h 32m

$1,837

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Tue 29/9

12:01-06:25

2 stops25h 24m

Sydney Kingsford Smith

Tue 6/10

10:10-20:20

1 stop28h 10m

$1,841

Santa RosaMelbourne

STS Santa Rosa Sonoma County - MEL Melbourne

STSMEL

Santa Rosa Sonoma County

Sat 26/9

08:07-06:45

2 stops29h 38m

Melbourne

Sat 3/10

09:45-11:04

1 stop18h 19m

$1,870

Santa RosaMelbourne

STS Santa Rosa Sonoma County - MEL Melbourne

STSMEL

Santa Rosa Sonoma County

Sat 26/9

07:10-06:45

1 stop30h 35m

Melbourne

Sat 3/10

09:45-11:04

1 stop18h 19m

$1,872

Santa RosaMelbourne

STS Santa Rosa Sonoma County - MEL Melbourne

STSMEL

Santa Rosa Sonoma County

Sat 26/9

13:08-06:45

2 stops24h 37m

Melbourne

Sat 3/10

09:45-15:50

2 stops23h 05m

$1,898

Santa RosaSydney

STS Santa Rosa Sonoma County - SYD Sydney Kingsford Smith

STSSYD

Santa Rosa Sonoma County

Wed 21/10

11:57-09:15

2 stops27h 18m

Sydney Kingsford Smith

Sun 1/11

11:15-14:29

1 stop21h 14m

$1,999

Santa RosaBrisbane

STS Santa Rosa Sonoma County - BNE Brisbane

STSBNE

Santa Rosa Sonoma County

Sat 26/9

12:01-22:30

2 stops41h 29m

Brisbane

Fri 2/10

00:05-11:17

2 stops52h 12m

$2,066

Santa RosaMelbourne

STS Santa Rosa Sonoma County - MEL Melbourne

STSMEL

Santa Rosa Sonoma County

Thu 17/9

07:03-05:55

2 stops29h 52m

Melbourne

Mon 21/9

23:45-21:31

2 stops38h 46m

$2,122

Santa RosaMelbourne

STS Santa Rosa Sonoma County - MEL Melbourne

STSMEL

Santa Rosa Sonoma County

Sat 14/11

07:00-23:20

2 stops45h 20m

Melbourne

Wed 18/11

23:40-22:09

2 stops41h 29m

$2,135

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 Australia

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

What is the cheapest airline that flies from Santa Rosa Sonoma County to Australia?

American Airlines and Qatar Airways are the most popular carriers operating from Santa Rosa Sonoma County to Australia

Which airlines fly to Australia?

United Airlines, Fiji Airways and Qantas Airways are the top three most popular airlines that fly to Australia 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 travelling to Australia. Keep in mind that there are 4 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Cheap Santa Rosa to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Australia

Fastest flight time	24h 55m
Direct flights	None

The fastest flight from Santa Rosa to Australia takes 24h 55m

There are no direct flights from Santa Rosa to Australia. There are no popular flight routes from Santa Rosa to Australia.

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Frequently asked questions about flying from Santa Rosa to Australia

When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Australia?
Prices for flights from Santa Rosa Sonoma County Airport to Australia refresh daily.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Australia?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia 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 Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Santa Rosa.

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

momondo does allow users to show only those flights to Australia from Santa Rosa which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Santa Rosa.

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

If you are not ready to book a flight from Santa Rosa to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.