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

ANA, 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 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.

$548 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 Los Angeles Auckland Intl

8:20 am - 8:24 pmBNE Brisbane-SAN San Diego

30h 04m2 stops Auckland Intl Los Angeles Los Angeles

$1,002Air New Zealand

Wed, Nov 11 - Wed, Nov 18

7:30 am - 10:00 amSAN San Diego-BNE Brisbane

32h 30m2 stops San Francisco Auckland Intl

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

24h 02m2 stops Auckland Intl Los Angeles Los Angeles

$1,002Air New Zealand

Sun, Nov 1 - Sun, Nov 15

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

$1,101Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

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

1:24 pm - 6:30 amSAN San Diego-BNE Brisbane

24h 06m1 stop San Francisco

10:40 am - 3:32 pmBNE Brisbane-SAN San Diego

21h 52m1 stop San Francisco

$1,196United Airlines

Mon, Oct 19 - Wed, Oct 28

11:20 am - 6:30 amSAN San Diego-BNE Brisbane

26h 10m1 stop San Francisco

11:40 am - 10:12 amBNE Brisbane-SAN San Diego

16h 32m1 stop San Francisco

$1,197United Airlines

Thu, Oct 29 - Wed, Nov 18

9:50 am - 5:00 amSAN San Diego-MEL Melbourne

26h 10m1 stop Dallas/Fort Worth

1:35 pm - 6:51 pmMEL Melbourne-SAN San Diego

22h 16m1 stop Dallas/Fort Worth

$1,229American Airlines

Mon, Sep 21 - Mon, Sep 28

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

25h 30m1 stop Vancouver Intl

10:15 am - 4:12 pmBNE Brisbane-SAN San Diego

22h 57m1 stop Vancouver Intl

$1,234Air Canada

Sun, Aug 23 - Tue, Sep 8

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

25h 30m1 stop Vancouver Intl

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

20h 19m1 stop Vancouver Intl

$1,245Air Canada

Mon, Aug 24 - Mon, Nov 16

11:17 am - 6:55 amSAN San Diego-SYD Sydney Kingsford Smith

25h 38m1 stop Dallas/Fort Worth

1:05 pm - 7:02 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 57m1 stop Dallas/Fort Worth

$1,304American Airlines

Mon, Oct 19 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

5:16 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 34m1 stop Honolulu

8:45 pm - 9:07 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 22m1 stop Honolulu

$1,101Alaska Airlines

Tue, Aug 11 - Tue, Aug 18

5:16 pm - 6:50 pmSAN San Diego-SYD Sydney Kingsford Smith

32h 34m1 stop Honolulu

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

27h 07m1 stop Honolulu

$1,118Multiple Airlines

Tue, Aug 11 - Sun, Aug 30

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

22h 45m2 stops Los Angeles Los Angeles Auckland Intl

11:55 am - 6:35 pmSYD Sydney Kingsford Smith-SAN San Diego

23h 40m2 stops Auckland Intl San Francisco

$1,124Air New Zealand

Tue, Aug 11 - Wed, Sep 2

2:24 pm - 9:50 pmSAN San Diego-SYD Sydney Kingsford Smith

38h 26m2 stops Los Angeles Los Angeles Auckland Intl

9:55 am - 6:35 pmSYD Sydney Kingsford Smith-SAN San Diego

25h 40m2 stops Auckland Intl San Francisco

$1,144Air New Zealand

Wed, Aug 12 - Wed, Sep 2

6:28 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

21h 17m2 stops San Francisco Auckland Intl

7:20 pm - 8:59 pmSYD Sydney Kingsford Smith-SAN San Diego

42h 39m2 stops Auckland Intl Honolulu

$1,164Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

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

21h 59m1 stop San Francisco

10:20 am - 10:18 amSYD Sydney Kingsford Smith-SAN San Diego

16h 58m1 stop San Francisco

$1,238United Airlines

Tue, Aug 11 - Wed, Sep 2

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

21h 00m1 stop Los Angeles Los Angeles

10:20 am - 10:18 amSYD Sydney Kingsford Smith-SAN San Diego

16h 58m1 stop San Francisco

$1,238United Airlines

Wed, Aug 12 - Wed, Sep 2

5:01 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

20h 49m2 stops Salt Lake City Los Angeles Los Angeles

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

22h 55m1 stop Los Angeles Los Angeles

$1,293Delta

Wed, Aug 12 - Sat, Aug 29

5:01 pm - 6:50 amSAN San Diego-SYD Sydney Kingsford Smith

20h 49m2 stops Salt Lake City Los Angeles Los Angeles

9:15 am - 6:06 pmSYD Sydney Kingsford Smith-SAN San Diego

25h 51m2 stops Los Angeles Los Angeles Salt Lake City

$1,293Delta

Wed, Aug 12 - Thu, Aug 27

2:24 pm - 8:45 amSAN San Diego-SYD Sydney Kingsford Smith

25h 21m2 stops Los Angeles Los Angeles Auckland Intl

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

18h 53m1 stop San Francisco

$1,410Air New Zealand

Tue, Aug 11 - Tue, Sep 1

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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

Aug 16

SAN5:16 pmSan Diego

32h 34m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 30

SYD8:45 pmSydney Kingsford Smith

17h 14m

1 stop

SAN8:59 pmSan Diego

$1,079

Alaska Airlines

Aug 11

SAN5:16 pmSan Diego

32h 34m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 18

SYD8:45 pmSydney Kingsford Smith

17h 22m

1 stop

SAN9:07 pmSan Diego

$1,101

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

$1,107

Qantas Airways flights from San Diego to Australia

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

Qantas Airways

Oct 28

SAN10:55 amSan Diego

25h 30m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 16

SYD7:15 pmSydney Kingsford Smith

35h 56m

2 stops

SAN12:11 pmSan Diego

$1,191

Qantas Airways

Aug 23

SAN12:45 pmSan Diego

23h 15m

2 stops

BNE5:00 amBrisbane

Nov 16

BNE9:40 amBrisbane

24h 01m

1 stop

SAN3:41 pmSan Diego

$1,995

Qantas Airways

Aug 13

SAN2:24 pmSan Diego

21h 36m

1 stop

BNE5:00 amBrisbane

Aug 22

BNE8:35 pmBrisbane

37h 51m

1 stop

SAN5:26 pmSan Diego

$2,937

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Wed 11/11

4:45 pm-10:00 am

2 stops23h 15m

Brisbane

Wed 11/18

8:20 am-8:24 pm

2 stops30h 04m

$1,002

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 11/1

7:30 am-10:00 am

2 stops32h 30m

Brisbane

Sun 11/15

11:15 am-5:17 pm

2 stops24h 02m

$1,002

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

$1,101

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 DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Mon 10/19

1:24 pm-6:30 am

1 stop24h 06m

Brisbane

Wed 10/28

10:40 am-3:32 pm

1 stop21h 52m

$1,196

Quickest round-trip

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Thu 10/29

11:20 am-6:30 am

1 stop26h 10m

Brisbane

Wed 11/18

11:40 am-10:12 am

1 stop16h 32m

$1,197

San DiegoMelbourne

SAN San Diego - MEL Melbourne

SANMEL

San Diego

Mon 9/21

9:50 am-5:00 am

1 stop26h 10m

Melbourne

Mon 9/28

1:35 pm-6:51 pm

1 stop22h 16m

$1,229

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Sun 8/23

12:35 pm-7:05 am

1 stop25h 30m

Brisbane

Tue 9/8

10:15 am-4:12 pm

1 stop22h 57m

$1,234

San DiegoBrisbane

SAN San Diego - BNE Brisbane

SANBNE

San Diego

Mon 8/24

12:35 pm-7:05 am

1 stop25h 30m

Brisbane

Mon 11/16

10:45 am-1:04 pm

1 stop20h 19m

$1,245

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 10/19

11:17 am-6:55 am

1 stop25h 38m

Sydney Kingsford Smith

Tue 10/27

1:05 pm-7:02 pm

1 stop23h 57m

$1,304

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 November instead. Flights to Australia in November, while not as cheap as those in April, still average around $1,052.

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	21h 20m
Direct flights	None

The fastest flight from San Diego to Australia takes 21h 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 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 $737	Free Cancellation	Rating 7.1 11,455 reviews	Search Air Canada flights
United Airlines	PriceFrom $771	Free Cancellation	Rating 7.4 10,092 reviews	Search United Airlines flights
American Airlines	PriceFrom $881	Free Cancellation	Rating 7.1 11,897 reviews	Search American Airlines flights
Delta	PriceFrom $949	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,042	Free Cancellation	Rating 8.0 659 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.