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

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

What airlines fly to Australia?

United Airlines, Air New Zealand and Delta 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 64% 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 August 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.

$539 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 - 10:00 amSAN San Diego-BNE Brisbane

23h 15m2 stops Los Angeles Auckland Intl

8:20 am - 5:29 pmBNE Brisbane-SAN San Diego

27h 09m2 stops Auckland Intl Los Angeles

$1,003Air New Zealand

Tue, Nov 10 - Wed, Feb 10

6:26 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

43h 09m2 stops San Francisco Auckland Intl

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

26h 22m2 stops Auckland Intl Los Angeles

$1,015Air New Zealand

Sat, Nov 7 - Sun, Nov 15

5:15 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 35m1 stop Honolulu

8:45 pm - 6:52 amSYD Sydney Kingsford Smith-SAN San Diego

27h 07m1 stop Honolulu

$1,084Multiple Airlines

Wed, Sep 2 - Sun, Sep 6

5:17 pm - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

31h 28m1 stop Honolulu

9:40 pm - 8:08 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 28m1 stop Honolulu

$1,102Alaska Airlines

Sun, Nov 8 - Tue, Nov 17

10:00 am - 8:00 amSAN San Diego-MEL Melbourne

27h 00m1 stop Los Angeles

10:10 am - 6:55 pmMEL Melbourne-SAN San Diego

27h 45m1 stop Los Angeles

$1,158Delta

Sun, Feb 7 - Sun, Feb 21

7:53 pm - 7:50 amSAN San Diego-MEL Melbourne

18h 57m1 stop Los Angeles

11:00 am - 10:17 amMEL Melbourne-SAN San Diego

17h 17m1 stop Los Angeles

$1,158Delta

Wed, Sep 30 - Wed, Oct 7

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

28h 00m1 stop San Francisco

11:40 am - 1:44 pmBNE Brisbane-SAN San Diego

20h 04m1 stop San Francisco

$1,197United Airlines

Sun, Dec 6 - Wed, Dec 16

6:26 pm - 7:30 amSAN San Diego-BNE Brisbane

19h 04m1 stop San Francisco

11:40 am - 1:47 pmBNE Brisbane-SAN San Diego

20h 07m1 stop San Francisco

$1,197United Airlines

Sat, Nov 14 - Wed, Nov 18

4:55 pm - 6:10 pmSAN San Diego-ADL Adelaide

32h 45m2 stops Vancouver Intl Brisbane

6:30 pm - 11:47 amADL Adelaide-SAN San Diego

33h 47m2 stops Sydney Kingsford Smith Vancouver Intl

$1,212Air Canada

Sun, Sep 13 - Sat, Sep 19

12:55 pm - 12:40 pmSAN San Diego-OOL Coolangatta Gold Coast

54h 45m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

2:50 pm - 2:04 pmOOL Coolangatta Gold Coast-SAN San Diego

40h 14m2 stops Sydney Kingsford Smith Vancouver Intl

$3,417Air Canada

Wed, Oct 28 - Sun, Nov 1

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Auckland Intl

9:55 am - 8:02 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 07m2 stops Auckland Intl Los Angeles

$1,066Air New Zealand

Sat, Aug 22 - Wed, Sep 9

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Auckland Intl

9:55 am - 8:02 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 07m2 stops Auckland Intl Los Angeles

$1,107Air New Zealand

Sat, Aug 22 - Wed, Sep 9

12:30 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

37h 20m1 stop Honolulu

8:45 pm - 8:59 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 14m1 stop Honolulu

$1,119Multiple Airlines

Tue, Aug 25 - Sun, Sep 6

5:15 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 35m1 stop Honolulu

8:45 pm - 6:52 amSYD Sydney Kingsford Smith-SAN San Diego

27h 07m1 stop Honolulu

$1,169Multiple Airlines

Tue, Aug 25 - Sat, Sep 5

5:00 pm - 7:00 amSAN San Diego-SYD Sydney Kingsford Smith

21h 00m1 stop Los Angeles

9:30 am - 11:35 amSYD Sydney Kingsford Smith-SAN San Diego

19h 05m1 stop Los Angeles

$1,239United Airlines

Sun, Aug 23 - Wed, Sep 2

1:24 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

24h 31m1 stop San Francisco

9:30 am - 5:26 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 56m1 stop Los Angeles

$1,239United Airlines

Sun, Aug 23 - Mon, Aug 31

5:00 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Auckland Intl

10:20 am - 12:13 pmSYD Sydney Kingsford Smith-SAN San Diego

18h 53m1 stop San Francisco

$1,434Air New Zealand

Sun, Aug 23 - Tue, Sep 1

7:59 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

17h 51m1 stop Los Angeles

9:15 am - 3:56 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 41m2 stops Los Angeles Salt Lake City

$1,805Delta

Fri, Aug 21 - Mon, Aug 31

3:00 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles

9:15 am - 3:10 pmSYD Sydney Kingsford Smith-SAN San Diego

22h 55m1 stop Los Angeles

$1,959Delta

Sat, Aug 22 - Sun, Sep 6

5:00 pm - 7:05 amSAN San Diego-BNE Brisbane

21h 05m1 stop Vancouver Intl

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

23h 10m1 stop Vancouver Intl

$2,357Air Canada

Mon, Aug 24 - Wed, Aug 26

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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

Nov 10

SAN4:45 pmSan Diego

23h 15m

2 stops

BNE10:00 amBrisbane

Feb 10

BNE8:20 amBrisbane

27h 09m

2 stops

SAN5:29 pmSan Diego

$1,003

Air New Zealand

Nov 7

SAN6:26 pmSan Diego

43h 09m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 15

SYD9:55 amSydney Kingsford Smith

26h 22m

2 stops

SAN5:17 pmSan Diego

$1,015

Air New Zealand

Oct 28

SAN4:45 pmSan Diego

21h 50m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 16

SYD9:55 amSydney Kingsford Smith

29h 29m

2 stops

SAN8:24 pmSan Diego

$1,017

ANA flights from San Diego to Australia

Our best ANA deals on San Diego to Australia flight tickets

ANA

Aug 26

SAN2:24 pmSan Diego

35h 46m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 1

SYD8:55 pmSydney Kingsford Smith

40h 00m

2 stops

SAN7:55 pmSan Diego

$1,254

ANA

Aug 22

SAN2:24 pmSan Diego

50h 01m

2 stops

SYD9:25 amSydney Kingsford Smith

Sep 4

SYD8:55 pmSydney Kingsford Smith

40h 00m

2 stops

SAN7:55 pmSan Diego

$1,259

ANA

Aug 21

SAN2:24 pmSan Diego

35h 46m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 2

SYD8:55 pmSydney Kingsford Smith

40h 00m

2 stops

SAN7:55 pmSan Diego

$1,264

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Tue 11/10

4:45 pm-10:00 am

2 stops23h 15m

Brisbane

Wed 2/10

8:20 am-5:29 pm

2 stops27h 09m

$1,003

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 11/7

6:26 pm-8:35 am

2 stops43h 09m

Sydney Kingsford Smith

Sun 11/15

9:55 am-5:17 pm

2 stops26h 22m

$1,015

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 9/2

5:15 pm-6:50 pm

1 stop32h 35m

Sydney Kingsford Smith

Sun 9/6

8:45 pm-6:52 am

1 stop27h 07m

$1,084

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/8

5:17 pm-7:45 pm

1 stop31h 28m

Sydney Kingsford Smith

Tue 11/17

9:40 pm-8:08 pm

1 stop17h 28m

$1,102

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Sun 2/7

10:00 am-8:00 am

1 stop27h 00m

Melbourne

Sun 2/21

10:10 am-6:55 pm

1 stop27h 45m

$1,158

Quickest round-trip

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Wed 9/30

7:53 pm-7:50 am

1 stop18h 57m

Melbourne

Wed 10/7

11:00 am-10:17 am

1 stop17h 17m

$1,158

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 12/6

9:30 am-7:30 am

1 stop28h 00m

Brisbane

Wed 12/16

11:40 am-1:44 pm

1 stop20h 04m

$1,197

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sat 11/14

6:26 pm-7:30 am

1 stop19h 04m

Brisbane

Wed 11/18

11:40 am-1:47 pm

1 stop20h 07m

$1,197

San DiegoAdelaide

SAN San Diego - ADL Adelaide

SANADL

San Diego

Sun 9/13

4:55 pm-6:10 pm

2 stops32h 45m

Adelaide

Sat 9/19

6:30 pm-11:47 am

2 stops33h 47m

$1,212

San DiegoCoolangatta

SAN San Diego - OOL Coolangatta Gold Coast

SANOOL

San Diego

Wed 10/28

12:55 pm-12:40 pm

3 stops54h 45m

Coolangatta Gold Coast

Sun 11/1

2:50 pm-2:04 pm

2 stops40h 14m

$3,417

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 $1,005. 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 $1,224 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

Best Price Found	$539
Fastest flight time	19h 47m
Direct flights	None

The best one-way flight to Australia from San Diego in the past 72 hours is $539. The best round-trip flight deal from San Diego to Australia found on momondo in the last 72 hours is $1,003.

The fastest flight from San Diego to Australia takes 19h 47m

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 August 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 $501	Free Cancellation	Rating 7.1 11,508 reviews	Search Air Canada flights
American Airlines	PriceFrom $881	Free Cancellation	Rating 7.1 11,979 reviews	Search American Airlines flights
United Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,510 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 663 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.