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

Qantas Airways, ANA, and Delta 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.

4:45 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 50m1 stop Vancouver Intl

10:20 am - 3:55 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 35m1 stop Vancouver Intl

$977Air Canada

Wed, Mar 10 - Wed, Mar 17

4:45 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 50m1 stop Vancouver Intl

11:20 am - 4:25 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 05m1 stop Vancouver Intl

$977Air Canada

Wed, Nov 11 - Tue, Nov 17

7:05 am - 7:20 amSAN San Diego-SYD Sydney Kingsford Smith

31h 15m1 stop Vancouver Intl

6:00 am - 4:14 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 14m2 stops Brisbane Vancouver Intl

$1,026Multiple Airlines

Mon, Apr 19 - Thu, May 6

5:00 pm - 2:40 pmSAN San Diego-SYD Sydney Kingsford Smith

26h 40m2 stops Vancouver Intl Brisbane

6:25 am - 4:10 pmSYD Sydney Kingsford Smith-SAN San Diego

28h 45m2 stops Auckland Intl Vancouver Intl

$1,030Multiple Airlines

Tue, Dec 1 - Sun, Dec 13

4:05 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 30m2 stops San Francisco Auckland Intl

2:05 pm - 5:27 pmSYD Sydney Kingsford Smith-SAN San Diego

21h 22m2 stops Auckland Intl Los Angeles

$1,063Air New Zealand

Wed, Mar 10 - Wed, Mar 17

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

7:41 pm - 7:30 amSAN San Diego-BNE Brisbane

17h 49m1 stop San Francisco

10:20 am - 9:51 amBNE Brisbane-SAN San Diego

16h 31m1 stop San Francisco

$1,083United Airlines

Thu, Feb 18 - Tue, Mar 16

7:41 pm - 7:30 amSAN San Diego-BNE Brisbane

17h 49m1 stop San Francisco

10:20 am - 7:47 pmBNE Brisbane-SAN San Diego

26h 27m2 stops San Francisco Los Angeles

$1,083United Airlines

Sun, Feb 14 - Tue, Mar 16

3:59 pm - 7:20 amSAN San Diego-SYD Sydney Kingsford Smith

21h 21m1 stop Los Angeles

9:15 am - 6:55 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 40m1 stop Los Angeles

$1,124Delta

Wed, Mar 24 - Wed, Apr 7

6:15 am - 7:20 amSAN San Diego-SYD Sydney Kingsford Smith

31h 05m2 stops Salt Lake City Los Angeles

9:15 am - 11:47 pmSYD Sydney Kingsford Smith-SAN San Diego

31h 32m2 stops Los Angeles Salt Lake City

$1,129Delta

Wed, Mar 24 - Wed, Apr 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:15 pm - 8:35 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

$977Air Canada

Wed, Oct 28 - Mon, Nov 16

5:15 pm - 8:35 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

$978Air Canada

Wed, Oct 28 - Mon, Nov 16

5:15 pm - 12:25 pmSAN San Diego-MEL Melbourne

25h 10m2 stops Vancouver Intl Sydney Kingsford Smith

6:05 am - 3:55 pmMEL Melbourne-SAN San Diego

28h 50m2 stops Brisbane Vancouver Intl

$1,011Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

5:15 pm - 1:50 pmSAN San Diego-MEL Melbourne

26h 35m2 stops Vancouver Intl Brisbane

6:05 am - 3:55 pmMEL Melbourne-SAN San Diego

28h 50m2 stops Brisbane Vancouver Intl

$1,018Multiple Airlines

Sun, Oct 25 - Mon, Nov 9

3:00 pm - 7:00 amSAN San Diego-MEL Melbourne

22h 00m1 stop Los Angeles

10:10 am - 10:12 amMEL Melbourne-SAN San Diego

19h 02m1 stop Los Angeles

$1,124Delta

Mon, Oct 26 - Mon, Nov 2

10:57 am - 7:00 amSAN San Diego-MEL Melbourne

26h 03m1 stop Los Angeles

10:10 am - 10:25 amMEL Melbourne-SAN San Diego

19h 15m1 stop Los Angeles

$1,124Delta

Sun, Oct 25 - Mon, Nov 9

4:45 pm - 9:30 amSAN San Diego-MEL Melbourne

22h 45m2 stops Los Angeles San Francisco

12:45 pm - 11:57 amMEL Melbourne-SAN San Diego

18h 12m1 stop San Francisco

$1,125United Airlines

Sun, Oct 25 - Mon, Nov 9

4:45 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

23h 50m2 stops Los Angeles Auckland Intl

7:25 pm - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

43h 59m2 stops Auckland Intl Los Angeles

$1,134Air New Zealand

Wed, Oct 28 - Mon, Nov 16

4:45 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

23h 50m2 stops Los Angeles Auckland Intl

7:25 pm - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

43h 59m2 stops Auckland Intl Los Angeles

$1,155Air New Zealand

Wed, Oct 28 - Mon, Nov 16

2:30 pm - 8:40 amSAN San Diego-SYD Sydney Kingsford Smith

24h 10m1 stop Los Angeles

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

19h 11m1 stop Los Angeles

$1,236United Airlines

Wed, Oct 28 - Mon, Nov 16

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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

Oct 27

SAN8:40 amSan Diego

41h 05m

1 stop

SYD7:45 pmSydney Kingsford Smith

Nov 7

SYD9:40 pmSydney Kingsford Smith

17h 28m

1 stop

SAN8:08 pmSan Diego

$1,123

Alaska Airlines

Nov 15

SAN7:10 amSan Diego

28h 15m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 22

SYD9:25 pmSydney Kingsford Smith

34h 13m

1 stop

SAN12:38 pmSan Diego

$1,131

Alaska Airlines

Oct 28

SAN6:51 pmSan Diego

17h 34m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 16

SYD11:15 amSydney Kingsford Smith

27h 23m

2 stops

SAN7:38 pmSan Diego

$1,237

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 11

SAN2:30 pmSan Diego

23h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 17

SYD9:55 amSydney Kingsford Smith

26h 22m

2 stops

SAN5:17 pmSan Diego

$1,068

Air New Zealand

Nov 30

SAN4:45 pmSan Diego

23h 15m

2 stops

BNE10:00 amBrisbane

Dec 13

BNE11:15 amBrisbane

24h 22m

2 stops

SAN5:37 pmSan Diego

$1,071

Air New Zealand

Dec 1

SAN6:23 pmSan Diego

43h 12m

2 stops

SYD8:35 amSydney Kingsford Smith

Dec 27

SYD7:25 pmSydney Kingsford Smith

43h 52m

2 stops

SAN8:17 pmSan Diego

$1,085

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 3/10

4:45 pm-9:35 am

1 stop21h 50m

Sydney Kingsford Smith

Wed 3/17

10:20 am-3:55 pm

1 stop23h 35m

$977

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 11/11

4:45 pm-9:35 am

1 stop21h 50m

Sydney Kingsford Smith

Tue 11/17

11:20 am-4:25 pm

1 stop24h 05m

$977

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 4/19

7:05 am-7:20 am

1 stop31h 15m

Sydney Kingsford Smith

Thu 5/6

6:00 am-4:14 pm

2 stops27h 14m

$1,026

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 12/1

5:00 pm-2:40 pm

2 stops26h 40m

Sydney Kingsford Smith

Sun 12/13

6:25 am-4:10 pm

2 stops28h 45m

$1,030

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 3/10

4:05 pm-8:35 am

2 stops21h 30m

Sydney Kingsford Smith

Wed 3/17

2:05 pm-5:27 pm

2 stops21h 22m

$1,063

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

Quickest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Thu 2/18

7:41 pm-7:30 am

1 stop17h 49m

Brisbane

Tue 3/16

10:20 am-9:51 am

1 stop16h 31m

$1,083

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 2/14

7:41 pm-7:30 am

1 stop17h 49m

Brisbane

Tue 3/16

10:20 am-7:47 pm

2 stops26h 27m

$1,083

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 3/24

3:59 pm-7:20 am

1 stop21h 21m

Sydney Kingsford Smith

Wed 4/7

9:15 am-6:55 pm

1 stop26h 40m

$1,124

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 3/24

6:15 am-7:20 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 4/7

9:15 am-11:47 pm

2 stops31h 32m

$1,129

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	19h 46m
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 $977.

The fastest flight from San Diego to Australia takes 19h 46m

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 10,406 reviews	Search United Airlines flights
Air Canada	PriceFrom $842	Free Cancellation	Rating 7.1 11,794 reviews	Search Air Canada flights
Delta	PriceFrom $970	Free Cancellation	Rating 7.8 8,664 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.