What is the cheapest airline that flies from San Diego to Australia?

Alaska Airlines, American Airlines, and United Airlines are the most popular carriers operating from San Diego to Australia

What airlines fly to Australia?

United Airlines, Air Canada and Air New Zealand are the top three most popular airlines that fly to Australia from San Diego according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 5 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Australia?

Prices for flights from San Diego Airport to Australia refresh daily.

How many operators does momondo search for flights from San Diego Airport to Australia?

As of July 2026, there are 5 operators available to choose from for flights from San Diego Airport to Australia.

How old do you have to be to fly from San Diego Airport to Australia?

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 layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Australia.

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

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$514 Cheap Flights from San Diego to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 8:15 pm

SAN

SYD

32h 30m

2 stops

12:25 pm - 1:04 pm

SYD

SAN

43h 39m

2 stops

$1,021Multiple Airlines

Mon, Nov 2 - Wed, Nov 18

3:57 pm - 6:50 pm

SAN

SYD

33h 53m

1 stop

8:45 pm - 6:32 am

SYD

SAN

26h 47m

1 stop

$1,050Multiple Airlines

Sun, Jul 26 - Sun, Aug 9

9:30 am - 7:30 am

SAN

BNE

28h 00m

1 stop

11:40 am - 9:58 am

BNE

SAN

16h 18m

1 stop

$1,137United Airlines

Wed, Dec 9 - Mon, Jan 11

7:30 pm - 8:20 am

SAN

BNE

18h 50m

1 stop

10:40 am - 10:30 am

BNE

SAN

17h 50m

1 stop

$1,142Delta

Wed, Nov 11 - Sun, Nov 22

1:31 pm - 7:30 am

SAN

BNE

23h 59m

1 stop

11:40 am - 1:42 pm

BNE

SAN

20h 02m

1 stop

$1,145United Airlines

Sat, Nov 7 - Wed, Nov 11

3:59 pm - 9:50 am

SAN

MEL

22h 51m

1 stop

12:00 pm - 10:30 am

MEL

SAN

17h 30m

1 stop

$1,206Delta

Sun, Nov 1 - Mon, Nov 16

5:00 pm - 7:05 am

SAN

BNE

21h 05m

1 stop

10:00 am - 11:47 am

BNE

SAN

18h 47m

1 stop

$1,242Air Canada

Tue, Aug 4 - Wed, Sep 30

5:00 pm - 1:55 pm

SAN

ADL

28h 25m

2 stops

8:00 pm - 11:53 am

ADL

SAN

32h 23m

2 stops

$1,297Air Canada

Tue, Aug 11 - Mon, Aug 17

11:00 am - 10:55 am

SAN

ADL

29h 25m

2 stops

6:00 am - 12:13 pm

ADL

SAN

24h 43m

2 stops

$1,810Air New Zealand

Fri, Jan 1 - Sun, Jan 17

6:28 pm - 7:10 pm

SAN

PER

33h 42m

2 stops

10:55 pm - 6:35 pm

PER

SAN

34h 40m

3 stops

$1,956Air New Zealand

Mon, Aug 31 - Tue, Sep 15

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Alaska Airlines flights from San Diego to Australia

Our best Alaska Airlines deals on San Diego to Australia flight tickets

Alaska Airlines

Aug 9

SAN5:16 pmSan Diego

32h 34m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 16

SYD8:45 pmSydney Kingsford Smith

36h 16m

1 stop

SAN4:01 pmSan Diego

$1,089

Alaska Airlines

Aug 9

SAN5:16 pmSan Diego

32h 34m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 16

SYD8:45 pmSydney Kingsford Smith

36h 16m

1 stop

SAN4:01 pmSan Diego

$1,092

Alaska Airlines

Oct 13

SAN8:35 amSan Diego

40h 15m

1 stop

SYD6:50 pmSydney Kingsford Smith

Oct 20

SYD8:45 pmSydney Kingsford Smith

17h 54m

1 stop

SAN8:39 pmSan Diego

$1,101

American Airlines flights from San Diego to Australia

Our best American Airlines deals on San Diego to Australia flight tickets

American Airlines

Nov 11

SAN12:43 pmSan Diego

23h 47m

1 stop

BNE6:30 amBrisbane

Nov 22

BNE1:10 pmBrisbane

26h 42m

2 stops

SAN9:52 pmSan Diego

$1,144

American Airlines

Aug 9

SAN4:22 pmSan Diego

22h 08m

2 stops

SYD7:30 amSydney Kingsford Smith

Aug 16

SYD9:10 amSydney Kingsford Smith

26h 08m

2 stops

SAN6:18 pmSan Diego

$1,187

American Airlines

Aug 2

SAN9:41 amSan Diego

28h 04m

2 stops

MEL6:45 amMelbourne

Aug 9

MEL9:45 amMelbourne

25h 33m

2 stops

SAN6:18 pmSan Diego

$1,193

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 11/2

4:45 pm-8:15 pm

2 stops32h 30m

Sydney Kingsford Smith

Wed 11/18

12:25 pm-1:04 pm

2 stops43h 39m

$1,021

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 7/26

3:57 pm-6:50 pm

1 stop33h 53m

Sydney Kingsford Smith

Sun 8/9

8:45 pm-6:32 am

1 stop26h 47m

$1,050

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Wed 12/9

9:30 am-7:30 am

1 stop28h 00m

Brisbane

Mon 1/11

11:40 am-9:58 am

1 stop16h 18m

$1,137

Quickest round-trip

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Wed 11/11

7:30 pm-8:20 am

1 stop18h 50m

Brisbane

Sun 11/22

10:40 am-10:30 am

1 stop17h 50m

$1,142

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sat 11/7

1:31 pm-7:30 am

1 stop23h 59m

Brisbane

Wed 11/11

11:40 am-1:42 pm

1 stop20h 02m

$1,145

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Sun 11/1

3:59 pm-9:50 am

1 stop22h 51m

Melbourne

Mon 11/16

12:00 pm-10:30 am

1 stop17h 30m

$1,206

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Tue 8/4

5:00 pm-7:05 am

1 stop21h 05m

Brisbane

Wed 9/30

10:00 am-11:47 am

1 stop18h 47m

$1,242

San DiegoAdelaide

SAN - ADL

SANADL

San Diego

Tue 8/11

5:00 pm-1:55 pm

2 stops28h 25m

Adelaide

Mon 8/17

8:00 pm-11:53 am

2 stops32h 23m

$1,297

San DiegoAdelaide

SAN - ADL

SANADL

San Diego

Fri 1/1

11:00 am-10:55 am

2 stops29h 25m

Adelaide

Sun 1/17

6:00 am-12:13 pm

2 stops24h 43m

$1,810

San DiegoPerth

SAN - PER

SANPER

San Diego

Mon 8/31

6:28 pm-7:10 pm

2 stops33h 42m

Perth

Tue 9/15

10:55 pm-6:35 pm

3 stops34h 40m

$1,956

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 San Diego 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

Prices

Airlines

What is the cheapest month to fly to Australia?

The month of February is, on average, the cheapest month to fly to Australia from San Diego, with most prices found around $199. If you aren’t able to travel during the month of February, then book flights to Australia from San Diego during April instead. Flights to Australia in April, while not as cheap as those in February, still average around $239.

How far in advance should I book a flight from San Diego to Australia?

You are more likely to see cheaper flights to Australia from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,140 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from San Diego for as low as $848 on momondo.

Can stopping save me money on San Diego to Australia flights?

You could potentially save up to 6% on your flight if you consider stops on a San Diego to Australia flight.

Cheap San Diego to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Australia

Fastest flight time	18h 50m
Direct flights	None

The fastest flight from San Diego to Australia takes 18h 50m

There are no direct flights from San Diego to Australia. There are no popular flight routes from San Diego to Australia.

Search flight deals

Frequently asked questions about flying from San Diego to Australia

When did momondo last update prices for flights from San Diego Airport to Australia?
Prices for flights from San Diego Airport to Australia refresh daily.
How many operators does momondo search for flights from San Diego Airport to Australia?
As of July 2026, there are 5 operators available to choose from for flights from San Diego Airport to Australia.
How old do you have to be to fly from San Diego Airport to Australia?
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 layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Diego to Australia

Compare and see reviews for airlines that fly from San Diego to Australia with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $758	Free Cancellation	Rating 7.1 11,332 reviews	Search Air Canada flights
United Airlines	PriceFrom $834	Free Cancellation	Rating 7.4 9,984 reviews	Search United Airlines flights
American Airlines	PriceFrom $845	Free Cancellation	Rating 7.1 11,812 reviews	Search American Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,463 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 653 reviews	Search Air New Zealand flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego 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 San Diego.

Can I find flights from San Diego to Australia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Australia from San Diego with this policy.

How can momondo help me find flights from San Diego to Australia?

momondo helps you find the best flight between San Diego and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for San Diego to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.