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

Qantas Airways, Delta, and Alaska Airlines are the most popular carriers operating from San Diego to Australia

What airlines fly to Australia?

United Airlines, Air New Zealand and Air Canada 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 63% 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 October 2026, there are 4 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.

$548 Cheap Flights from San Diego to Australia in 2026/27

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.

8:50 pm - 7:10 pmSAN San Diego-SYD Sydney Kingsford Smith

29h 20m2 stops Los Angeles Tokyo Haneda

8:55 pm - 7:49 pmSYD Sydney Kingsford Smith-SAN San Diego

39h 54m2 stops Tokyo Haneda Los Angeles

$975ANA

Sat, Apr 10 - Sat, Apr 24

5:15 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 20m1 stop Vancouver Intl

11:20 am - 3:55 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 35m1 stop Vancouver Intl

$1,052Air Canada

Fri, Nov 20 - Thu, Nov 26

6:20 am - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

31h 15m2 stops Los Angeles Auckland Intl

9:55 am - 5:29 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 34m2 stops Auckland Intl Los Angeles

$1,067Air New Zealand

Wed, Feb 10 - Sun, Feb 28

2:30 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

23h 05m2 stops Los Angeles Auckland Intl

11:50 am - 6:35 pmSYD Sydney Kingsford Smith-SAN San Diego

25h 45m2 stops Auckland Intl San Francisco

$1,067Air New Zealand

Sun, Feb 14 - Tue, Mar 2

5:15 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 20m1 stop Vancouver Intl

8:30 am - 3:55 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 25m2 stops Brisbane Vancouver Intl

$1,067Air Canada

Fri, Nov 20 - Thu, Nov 26

9:28 am - 5:00 amSAN San Diego-BNE Brisbane

26h 32m2 stops Phoenix Sky Harbor Intl Los Angeles

1:05 pm - 9:41 pmBNE Brisbane-SAN San Diego

25h 36m2 stops Los Angeles Phoenix Sky Harbor Intl

$1,076American Airlines

Thu, Apr 15 - Sun, May 2

9:45 am - 6:30 amSAN San Diego-BNE Brisbane

27h 45m1 stop San Francisco

10:30 am - 6:27 pmBNE Brisbane-SAN San Diego

24h 57m1 stop San Francisco

$1,083United Airlines

Fri, Apr 16 - Sun, May 2

11:00 am - 6:30 amSAN San Diego-BNE Brisbane

26h 30m1 stop San Francisco

10:30 am - 11:47 amBNE Brisbane-SAN San Diego

18h 17m1 stop San Francisco

$1,083United Airlines

Wed, Apr 14 - Fri, Apr 30

3:00 pm - 8:00 amSAN San Diego-MEL Melbourne

22h 00m1 stop Los Angeles

10:10 am - 3:18 pmMEL Melbourne-SAN San Diego

24h 08m1 stop Los Angeles

$1,137Delta

Sun, Nov 1 - Tue, Nov 17

9:42 am - 8:00 amSAN San Diego-MEL Melbourne

27h 18m2 stops Salt Lake City Los Angeles

10:10 am - 6:04 pmMEL Melbourne-SAN San Diego

26h 54m2 stops Los Angeles Salt Lake City

$1,141Delta

Sun, Nov 1 - Tue, Nov 17

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ANA flights from San Diego to Australia

Our best ANA deals on San Diego to Australia flight tickets

ANA

Apr 10

SAN8:50 pmSan Diego

29h 20m

2 stops

SYD7:10 pmSydney Kingsford Smith

Apr 24

SYD8:55 pmSydney Kingsford Smith

39h 54m

2 stops

SAN7:49 pmSan Diego

$975

ANA

Nov 15

SAN4:45 pmSan Diego

32h 30m

2 stops

SYD8:15 pmSydney Kingsford Smith

Nov 22

SYD9:45 pmSydney Kingsford Smith

38h 32m

2 stops

SAN5:17 pmSan Diego

$1,134

British Airways flights from San Diego to Australia

Our best British Airways deals on San Diego to Australia flight tickets

British Airways

Oct 27

SAN1:12 pmSan Diego

47h 43m

3 stops

SYD6:55 amSydney Kingsford Smith

Nov 7

SYD4:20 pmSydney Kingsford Smith

45h 55m

3 stops

SAN7:15 pmSan Diego

$3,831

British Airways

Oct 27

SAN1:12 pmSan Diego

47h 43m

3 stops

SYD6:55 amSydney Kingsford Smith

Nov 7

SYD4:20 pmSydney Kingsford Smith

42h 21m

3 stops

SAN3:41 pmSan Diego

$3,912

British Airways

Oct 27

SAN1:12 pmSan Diego

47h 43m

3 stops

SYD6:55 amSydney Kingsford Smith

Nov 7

SYD4:20 pmSydney Kingsford Smith

42h 21m

3 stops

SAN3:41 pmSan Diego

$3,913

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 4/10

8:50 pm-7:10 pm

2 stops29h 20m

Sydney Kingsford Smith

Sat 4/24

8:55 pm-7:49 pm

2 stops39h 54m

$975

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Fri 11/20

5:15 pm-9:35 am

1 stop21h 20m

Sydney Kingsford Smith

Thu 11/26

11:20 am-3:55 pm

1 stop23h 35m

$1,052

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 2/10

6:20 am-8:35 am

2 stops31h 15m

Sydney Kingsford Smith

Sun 2/28

9:55 am-5:29 pm

2 stops26h 34m

$1,067

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 2/14

2:30 pm-8:35 am

2 stops23h 05m

Sydney Kingsford Smith

Tue 3/2

11:50 am-6:35 pm

2 stops25h 45m

$1,067

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Fri 11/20

5:15 pm-9:35 am

1 stop21h 20m

Sydney Kingsford Smith

Thu 11/26

8:30 am-3:55 pm

2 stops26h 25m

$1,067

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Thu 4/15

9:28 am-5:00 am

2 stops26h 32m

Brisbane

Sun 5/2

1:05 pm-9:41 pm

2 stops25h 36m

$1,076

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Fri 4/16

9:45 am-6:30 am

1 stop27h 45m

Brisbane

Sun 5/2

10:30 am-6:27 pm

1 stop24h 57m

$1,083

Quickest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Wed 4/14

11:00 am-6:30 am

1 stop26h 30m

Brisbane

Fri 4/30

10:30 am-11:47 am

1 stop18h 17m

$1,083

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Sun 11/1

3:00 pm-8:00 am

1 stop22h 00m

Melbourne

Tue 11/17

10:10 am-3:18 pm

1 stop24h 08m

$1,137

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Sun 11/1

9:42 am-8:00 am

2 stops27h 18m

Melbourne

Tue 11/17

10:10 am-6:04 pm

2 stops26h 54m

$1,141

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 April is, on average, the cheapest month to fly to Australia from San Diego, with most prices found around $997. If you aren’t able to travel during the month of April, then book flights to Australia from San Diego during June instead. Flights to Australia in June, while not as cheap as those in April, still average around $1,098.

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 $1,297 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 $1,001 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

Best Price Found	$548
Fastest flight time	21h 10m
Direct flights	None

The best one-way flight to Australia from San Diego in the past 72 hours is $548. The best round-trip flight deal from San Diego to Australia found on momondo in the last 72 hours is $975.

The fastest flight from San Diego to Australia takes 21h 10m

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 October 2026, there are 4 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
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.3 10,387 reviews	Search United Airlines flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 11,784 reviews	Search Air Canada flights
Delta	PriceFrom $970	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 675 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.