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

Alaska Airlines, Delta, and ANA 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 62% 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.

$542 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

11:15 am - 5:17 pmBNE Brisbane-SAN San Diego

24h 02m2 stops Auckland Intl Los Angeles

$1,004Air New Zealand

Sun, Nov 1 - Sun, Nov 15

4:45 pm - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 50m2 stops Los Angeles Auckland Intl

9:55 am - 8:24 pmSYD Sydney Kingsford Smith-SAN San Diego

29h 29m2 stops Auckland Intl Los Angeles

$1,017Air New Zealand

Wed, Oct 28 - Mon, Nov 16

9:00 am - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

40h 50m1 stop Honolulu

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

27h 07m1 stop Honolulu

$1,076Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

5:00 pm - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 45m1 stop Honolulu

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

17h 28m1 stop Honolulu

$1,102Alaska Airlines

Tue, Oct 27 - Tue, Nov 10

10:54 am - 7:50 amSAN San Diego-MEL Melbourne

27h 56m1 stop Los Angeles

10:00 am - 3:01 pmMEL Melbourne-SAN San Diego

22h 01m1 stop Los Angeles

$1,158Delta

Wed, Sep 16 - Wed, Sep 30

3:00 pm - 7:50 amSAN San Diego-MEL Melbourne

23h 50m1 stop Los Angeles

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

17h 10m1 stop Los Angeles

$1,158Delta

Mon, Sep 14 - Sun, Sep 27

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

17h 49m1 stop San Francisco

11:40 am - 9:58 amBNE Brisbane-SAN San Diego

16h 18m1 stop San Francisco

$1,197United Airlines

Wed, Dec 2 - Mon, Dec 7

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

19h 04m1 stop San Francisco

11:40 am - 3:32 pmBNE Brisbane-SAN San Diego

21h 52m1 stop San Francisco

$1,197United Airlines

Sat, Oct 31 - Sat, Nov 14

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

$1,238Air Canada

Sun, Sep 13 - Sat, Sep 19

7:05 am - 8:45 amSAN San Diego-BNE Brisbane

31h 40m1 stop Vancouver Intl

10:45 am - 1:04 pmBNE Brisbane-SAN San Diego

20h 19m1 stop Vancouver Intl

$1,245Air Canada

Sun, Nov 1 - Sun, Nov 15

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

7:20 pm - 5:28 pmSYD Sydney Kingsford Smith-SAN San Diego

39h 08m2 stops Auckland Intl Los Angeles

$1,126Air New Zealand

Tue, Aug 18 - Mon, Sep 7

3:56 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

21h 59m1 stop San Francisco

10:20 am - 3:54 pmSYD Sydney Kingsford Smith-SAN San Diego

22h 34m1 stop San Francisco

$1,238United Airlines

Tue, Aug 18 - Mon, Sep 7

3:56 pm - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

21h 59m1 stop San Francisco

10:20 am - 2:50 pmSYD Sydney Kingsford Smith-SAN San Diego

21h 30m2 stops San Francisco Denver Intl

$1,243United Airlines

Tue, Aug 18 - Mon, Sep 7

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

22h 45m2 stops Los Angeles Auckland Intl

11:55 am - 8:45 pmSYD Sydney Kingsford Smith-SAN San Diego

25h 50m2 stops Auckland Intl San Francisco

$1,467Air New Zealand

Mon, Aug 17 - Wed, Aug 19

11:04 am - 6:25 amSAN San Diego-SYD Sydney Kingsford Smith

26h 21m1 stop San Francisco

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

17h 14m1 stop Honolulu

$1,515Multiple Airlines

Tue, Aug 18 - Thu, Aug 20

11:04 am - 6:25 amSAN San Diego-SYD Sydney Kingsford Smith

26h 21m1 stop San Francisco

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

17h 14m1 stop Honolulu

$1,515Multiple Airlines

Tue, Aug 18 - Thu, Aug 20

6:31 pm - 6:25 amSAN San Diego-SYD Sydney Kingsford Smith

18h 54m1 stop San Francisco

8:45 pm - 4:00 pmSYD Sydney Kingsford Smith-SAN San Diego

36h 15m1 stop Honolulu

$1,547Multiple Airlines

Tue, Aug 18 - Thu, Aug 20

11:20 am - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

28h 25m2 stops San Francisco Auckland Intl

7:20 pm - 6:35 pmSYD Sydney Kingsford Smith-SAN San Diego

40h 15m2 stops Auckland Intl San Francisco

$1,579Air New Zealand

Tue, Aug 18 - Thu, Aug 20

11:20 am - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

28h 25m2 stops San Francisco Auckland Intl

7:20 pm - 6:35 pmSYD Sydney Kingsford Smith-SAN San Diego

40h 15m2 stops Auckland Intl San Francisco

$1,587Air New Zealand

Tue, Aug 18 - Thu, Aug 20

12:35 pm - 7:05 amSAN San Diego-BNE Brisbane

25h 30m1 stop Vancouver Intl

10:15 am - 8:58 pmBNE Brisbane-SAN San Diego

27h 43m1 stop Vancouver Intl

$1,723Air Canada

Sun, Aug 16 - Tue, Aug 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from San Diego to Australia

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

Alaska Airlines

Oct 13

SAN8:35 amSan Diego

40h 15m

1 stop

SYD6:50 pmSydney Kingsford Smith

Oct 27

SYD9:40 pmSydney Kingsford Smith

17h 04m

1 stop

SAN8:44 pmSan Diego

$1,102

Alaska Airlines

Nov 8

SAN5:17 pmSan Diego

31h 28m

1 stop

SYD7:45 pmSydney Kingsford Smith

Nov 17

SYD9:40 pmSydney Kingsford Smith

17h 28m

1 stop

SAN8:08 pmSan Diego

$1,105

Alaska Airlines

Oct 13

SAN5:00 pmSan Diego

31h 50m

1 stop

SYD6:50 pmSydney Kingsford Smith

Oct 20

SYD8:45 pmSydney Kingsford Smith

17h 54m

1 stop

SAN8:39 pmSan Diego

$1,108

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 1

SAN4:45 pmSan Diego

23h 15m

2 stops

BNE10:00 amBrisbane

Nov 15

BNE11:15 amBrisbane

24h 02m

2 stops

SAN5:17 pmSan Diego

$1,004

Air New Zealand

Oct 26

SAN2:30 pmSan Diego

26h 05m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 2

SYD11:50 amSydney Kingsford Smith

24h 27m

2 stops

SAN5:17 pmSan Diego

$1,017

Air New Zealand

Oct 28

SAN2:30 pmSan Diego

24h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 18

SYD11:50 amSydney Kingsford Smith

24h 27m

2 stops

SAN5:17 pmSan Diego

$1,018

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 11/1

4:45 pm-10:00 am

2 stops23h 15m

Brisbane

Sun 11/15

11:15 am-5:17 pm

2 stops24h 02m

$1,004

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 10/28

4:45 pm-8:35 am

2 stops21h 50m

Sydney Kingsford Smith

Mon 11/16

9:55 am-8:24 pm

2 stops29h 29m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 9/1

9:00 am-6:50 pm

1 stop40h 50m

Sydney Kingsford Smith

Tue 9/8

8:45 pm-6:52 am

1 stop27h 07m

$1,076

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 10/27

5:00 pm-7:45 pm

1 stop32h 45m

Sydney Kingsford Smith

Tue 11/10

9:40 pm-8:08 pm

1 stop17h 28m

$1,102

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Wed 9/16

10:54 am-7:50 am

1 stop27h 56m

Melbourne

Wed 9/30

10:00 am-3:01 pm

1 stop22h 01m

$1,158

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Mon 9/14

3:00 pm-7:50 am

1 stop23h 50m

Melbourne

Sun 9/27

10:00 am-10:10 am

1 stop17h 10m

$1,158

Quickest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Wed 12/2

7:41 pm-7:30 am

1 stop17h 49m

Brisbane

Mon 12/7

11:40 am-9:58 am

1 stop16h 18m

$1,197

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sat 10/31

6:26 pm-6:30 am

1 stop19h 04m

Brisbane

Sat 11/14

11:40 am-3:32 pm

1 stop21h 52m

$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

$1,238

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 11/1

7:05 am-8:45 am

1 stop31h 40m

Brisbane

Sun 11/15

10:45 am-1:04 pm

1 stop20h 19m

$1,245

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 $1,212 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	19h 27m
Direct flights	None

The fastest flight from San Diego to Australia takes 19h 27m

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 11,477 reviews	Search Air Canada flights
American Airlines	PriceFrom $881	Free Cancellation	Rating 7.1 11,940 reviews	Search American Airlines flights
United Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 662 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.