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

United Airlines, Alaska Airlines, and Delta 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 59% of people opting to fly with this airline when traveling 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.

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 November 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.

$565 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.

2:41 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

22h 54m2 stops Los Angeles Auckland Intl

9:55 am - 6:19 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 24m2 stops Auckland Intl San Francisco

$1,069Air New Zealand

Tue, Feb 16 - Wed, Mar 3

6:23 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

45h 12m2 stops San Francisco Auckland Intl

9:55 am - 8:17 pmSYD Sydney Kingsford Smith-SAN San Diego

29h 22m2 stops Auckland Intl Los Angeles

$1,081Air New Zealand

Sat, Jan 23 - Tue, Feb 16

8:50 pm - 6:30 amSAN San Diego-BNE Brisbane

40h 40m2 stops Los Angeles San Francisco

10:30 am - 9:54 amBNE Brisbane-SAN San Diego

16h 24m1 stop San Francisco

$1,100United Airlines

Thu, Apr 15 - Sun, May 2

8:50 pm - 6:30 amSAN San Diego-BNE Brisbane

40h 40m2 stops Los Angeles San Francisco

10:30 am - 5:25 pmBNE Brisbane-SAN San Diego

23h 55m2 stops San Francisco Los Angeles

$1,100United Airlines

Thu, Apr 15 - Sun, May 2

6:25 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

43h 10m2 stops San Francisco Auckland Intl

7:25 pm - 8:14 pmSYD Sydney Kingsford Smith-SAN San Diego

43h 49m2 stops Auckland Intl Honolulu

$1,198Multiple Airlines

Thu, Feb 18 - Mon, Feb 22

4:45 pm - 8:55 amSAN San Diego-MEL Melbourne

21h 10m2 stops Los Angeles Auckland Intl

3:00 pm - 6:56 amMEL Melbourne-SAN San Diego

34h 56m2 stops Auckland Intl Honolulu

$1,222Multiple Airlines

Sun, Nov 29 - Thu, Dec 3

11:07 am - 8:00 amSAN San Diego-MEL Melbourne

25h 53m1 stop Los Angeles

10:10 am - 10:27 amMEL Melbourne-SAN San Diego

19h 17m1 stop Los Angeles

$1,237Delta

Tue, Dec 1 - Thu, Dec 17

9:53 am - 8:00 amSAN San Diego-MEL Melbourne

27h 07m2 stops Salt Lake City Los Angeles

10:10 am - 10:27 amMEL Melbourne-SAN San Diego

19h 17m1 stop Los Angeles

$1,242Delta

Tue, Dec 1 - Thu, Dec 17

4:45 pm - 7:45 amSAN San Diego-BNE Brisbane

22h 00m1 stop Vancouver Intl

10:00 am - 6:00 pmBNE Brisbane-SAN San Diego

25h 00m1 stop Vancouver Intl

$1,396Air Canada

Wed, Mar 24 - Sun, Apr 4

8:30 am - 7:05 amSAN San Diego-BNE Brisbane

29h 35m1 stop Vancouver Intl

10:00 am - 4:14 pmBNE Brisbane-SAN San Diego

23h 14m1 stop Vancouver Intl

$1,551Air Canada

Sat, May 1 - Wed, May 5

Cheap last minute flights

Enter your travel dates to find the best prices.

12:28 pm - 5:50 amSAN San Diego-BNE Brisbane

23h 22m2 stops Dallas/Fort Worth Los Angeles

1:10 pm - 6:25 pmBNE Brisbane-SAN San Diego

23h 15m2 stops Los Angeles Phoenix Sky Harbor Intl

$1,198American Airlines

Thu, Nov 12 - Fri, Nov 20

9:26 am - 5:50 amSAN San Diego-BNE Brisbane

26h 24m2 stops Phoenix Sky Harbor Intl Los Angeles

9:40 am - 7:09 pmBNE Brisbane-SAN San Diego

27h 29m1 stop Dallas/Fort Worth

$1,205American Airlines

Thu, Nov 12 - Fri, Nov 20

9:38 am - 7:30 amSAN San Diego-BNE Brisbane

27h 52m1 stop San Francisco

11:20 am - 3:32 pmBNE Brisbane-SAN San Diego

22h 12m1 stop San Francisco

$1,206United Airlines

Thu, Nov 12 - Fri, Nov 20

8:05 am - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

40h 40m1 stop Honolulu

9:40 pm - 6:50 amSYD Sydney Kingsford Smith-SAN San Diego

28h 10m1 stop Honolulu

$1,236Multiple Airlines

Tue, Nov 10 - Sun, Nov 22

5:46 pm - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

30h 59m2 stops Kahului Honolulu

9:40 pm - 6:58 amSYD Sydney Kingsford Smith-SAN San Diego

28h 18m2 stops Honolulu Kahului

$1,247Multiple Airlines

Tue, Nov 10 - Sun, Nov 22

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

31h 15m2 stops Los Angeles Auckland Intl

11:50 am - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 34m2 stops Auckland Intl Los Angeles

$1,284Air New Zealand

Sat, Nov 14 - Fri, Nov 27

4:01 pm - 9:05 amSAN San Diego-SYD Sydney Kingsford Smith

22h 04m2 stops San Francisco Los Angeles

11:50 am - 11:57 amSYD Sydney Kingsford Smith-SAN San Diego

19h 07m1 stop San Francisco

$1,380United Airlines

Sat, Nov 14 - Fri, Nov 27

4:01 pm - 9:20 amSAN San Diego-SYD Sydney Kingsford Smith

22h 19m1 stop San Francisco

11:20 am - 11:31 amSYD Sydney Kingsford Smith-SAN San Diego

19h 11m1 stop Los Angeles

$1,380United Airlines

Sat, Nov 14 - Fri, Nov 27

4:45 pm - 8:45 amSAN San Diego-BNE Brisbane

22h 00m1 stop Vancouver Intl

10:45 am - 4:25 pmBNE Brisbane-SAN San Diego

23h 40m1 stop Vancouver Intl

$4,992Air Canada

Thu, Nov 12 - Fri, Nov 20

4:45 pm - 9:05 amSAN San Diego-SYD Sydney Kingsford Smith

21h 20m1 stop Los Angeles

9:55 am - 5:17 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 22m2 stops Auckland Intl Los Angeles

$9,160Air New Zealand

Tue, Nov 10 - Sat, Nov 21

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Air New Zealand flights from San Diego to Australia

Our best Air New Zealand deals on San Diego to Australia flight tickets

Air New Zealand

Feb 16

SAN2:41 pmSan Diego

22h 54m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 3

SYD9:55 amSydney Kingsford Smith

27h 24m

2 stops

SAN6:19 pmSan Diego

$1,069

Air New Zealand

Jan 23

SAN6:23 pmSan Diego

45h 12m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 16

SYD9:55 amSydney Kingsford Smith

29h 22m

2 stops

SAN8:17 pmSan Diego

$1,081

Air New Zealand

May 3

SAN11:00 amSan Diego

28h 45m

2 stops

SYD8:45 amSydney Kingsford Smith

May 17

SYD9:55 amSydney Kingsford Smith

24h 30m

2 stops

SAN5:25 pmSan Diego

$1,083

Alaska Airlines flights from San Diego to Australia

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

Alaska Airlines

Mar 10

SAN10:30 amSan Diego

24h 55m

2 stops

SYD6:25 amSydney Kingsford Smith

Mar 17

SYD9:25 pmSydney Kingsford Smith

20h 18m

1 stop

SAN11:43 pmSan Diego

$1,244

Alaska Airlines

Mar 10

SAN10:30 amSan Diego

24h 55m

2 stops

SYD6:25 amSydney Kingsford Smith

Mar 17

SYD9:25 pmSydney Kingsford Smith

38h 24m

1 stop

SAN5:49 pmSan Diego

$1,246

Alaska Airlines

Feb 16

SAN8:10 pmSan Diego

39h 15m

1 stop

SYD6:25 amSydney Kingsford Smith

Mar 3

SYD9:25 pmSydney Kingsford Smith

21h 18m

1 stop

SAN11:43 pmSan Diego

$1,254

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 2/16

2:41 pm-8:35 am

2 stops22h 54m

Sydney Kingsford Smith

Wed 3/3

9:55 am-6:19 pm

2 stops27h 24m

$1,069

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 1/23

6:23 pm-10:35 am

2 stops45h 12m

Sydney Kingsford Smith

Tue 2/16

9:55 am-8:17 pm

2 stops29h 22m

$1,081

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Thu 4/15

8:50 pm-6:30 am

2 stops40h 40m

Brisbane

Sun 5/2

10:30 am-9:54 am

1 stop16h 24m

$1,100

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Thu 4/15

8:50 pm-6:30 am

2 stops40h 40m

Brisbane

Sun 5/2

10:30 am-5:25 pm

2 stops23h 55m

$1,100

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Thu 2/18

6:25 pm-8:35 am

2 stops43h 10m

Sydney Kingsford Smith

Mon 2/22

7:25 pm-8:14 pm

2 stops43h 49m

$1,198

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Sun 11/29

4:45 pm-8:55 am

2 stops21h 10m

Melbourne

Thu 12/3

3:00 pm-6:56 am

2 stops34h 56m

$1,222

Quickest round-trip

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Tue 12/1

11:07 am-8:00 am

1 stop25h 53m

Melbourne

Thu 12/17

10:10 am-10:27 am

1 stop19h 17m

$1,237

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Tue 12/1

9:53 am-8:00 am

2 stops27h 07m

Melbourne

Thu 12/17

10:10 am-10:27 am

1 stop19h 17m

$1,242

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Wed 3/24

4:45 pm-7:45 am

1 stop22h 00m

Brisbane

Sun 4/4

10:00 am-6:00 pm

1 stop25h 00m

$1,396

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sat 5/1

8:30 am-7:05 am

1 stop29h 35m

Brisbane

Wed 5/5

10:00 am-4:14 pm

1 stop23h 14m

$1,551

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 $1,308 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 $1,126 on momondo.

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

You could potentially save up to 14% 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	$565
Fastest flight time	18h 20m
Direct flights	None

The best one-way flight to Australia from San Diego in the past 72 hours is $565. The best round-trip flight deal from San Diego to Australia found on momondo in the last 72 hours is $1,069.

The fastest flight from San Diego to Australia takes 18h 20m

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 November 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 10,469 reviews	Search United Airlines flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
Delta	PriceFrom $970	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 683 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.