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Cheap flights from San Diego to Australia from $388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Australia departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:10 pm - 7:05 amSAN-BNE
19h 55m1 stop
Air Canada Logo
10:00 am - 5:24 pmBNE-SAN
24h 24m1 stop
$836Air Canada
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Wed, Apr 1 - Tue, Apr 14
Air Canada Logo
12:45 pm - 2:40 pmSAN-SYD
30h 55m2 stops
Air Canada Logo
11:20 am - 12:03 pmSYD-SAN
19h 43m1 stop
$845Air Canada
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Sun, Feb 1 - Tue, Feb 10
United Airlines Logo
6:00 pm - 9:15 amSAN-SYD
20h 15m1 stop
United Airlines Logo
12:10 pm - 12:49 pmSYD-SAN
19h 39m1 stop
$963United Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 10
United Airlines Logo
7:38 pm - 6:30 amSAN-BNE
17h 52m1 stop
United Airlines Logo
10:30 am - 10:04 amBNE-SAN
16h 34m1 stop
$970United Airlines
Find Deal
Wed, Apr 1 - Tue, Apr 14
Delta Logo
1:29 pm - 8:00 amSAN-MEL
23h 31m2 stops
Delta Logo
10:10 am - 6:06 pmMEL-SAN
26h 56m2 stops
$1,085Delta
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Mon, Jan 26 - Wed, Feb 4
Delta Logo
3:59 pm - 8:00 amSAN-MEL
21h 01m1 stop
Delta Logo
9:10 am - 9:19 amMEL-SAN
18h 09m1 stop
$1,094Delta
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Wed, Mar 4 - Wed, Mar 18
Alaska Airlines Logo
6:45 pm - 7:45 pmSAN-SYD
30h 00m2 stops
Alaska Airlines Logo
9:40 pm - 6:40 amSYD-SAN
28h 00m2 stops
$1,160Alaska Airlines
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Fri, Feb 6 - Tue, Feb 17
Air New Zealand Logo
4:04 pm - 10:55 amSAN-MEL
24h 51m2 stops
Air New Zealand Logo
12:05 pm - 11:44 pmMEL-SAN
29h 39m2 stops
$1,181Air New Zealand
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Tue, Mar 17 - Sun, Mar 29
Air New Zealand Logo
4:04 pm - 9:25 amSAN-MEL
23h 21m2 stops
Air New Zealand Logo
8:35 am - 11:44 pmMEL-SAN
33h 09m2 stops
$1,182Air New Zealand
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Tue, Mar 17 - Sun, Mar 29
Alaska Airlines Logo
5:10 pm - 7:45 pmSAN-SYD
31h 35m1 stop
Alaska Airlines Logo
9:40 pm - 8:05 pmSYD-SAN
17h 25m1 stop
$1,251Alaska Airlines
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Tue, Dec 2 - Sat, Dec 20

American Airlines flights from San Diego to Australia

Our best American Airlines deals on San Diego to Australia flight tickets
American Airlines
Nov 2
SAN4:25 pmSan Diego
21h 35m
2 stops
SYD9:00 amSydney Kingsford Smith
Nov 16
SYD2:05 pmSydney Kingsford Smith
27h 12m
1 stop
SAN10:17 pmSan Diego
$937
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American Airlines
Nov 2
SAN10:47 amSan Diego
25h 08m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 16
SYD2:05 pmSydney Kingsford Smith
27h 12m
1 stop
SAN10:17 pmSan Diego
$938
Find similar
American Airlines
Nov 2
SAN4:25 pmSan Diego
21h 35m
2 stops
SYD9:00 amSydney Kingsford Smith
Nov 16
SYD2:05 pmSydney Kingsford Smith
25h 13m
1 stop
SAN8:18 pmSan Diego
$941
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United Airlines flights from San Diego to Australia

Our best United Airlines deals on San Diego to Australia flight tickets
United Airlines
Nov 2
SAN4:01 pmSan Diego
22h 04m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 16
SYD11:20 amSydney Kingsford Smith
22h 35m
2 stops
SAN2:55 pmSan Diego
$953
Find similar
United Airlines
Nov 2
SAN4:01 pmSan Diego
22h 04m
2 stops
SYD9:05 amSydney Kingsford Smith
Nov 16
SYD12:10 pmSydney Kingsford Smith
24h 19m
2 stops
SAN5:29 pmSan Diego
$957
Find similar
United Airlines
Feb 1
SAN6:00 pmSan Diego
20h 15m
1 stop
SYD9:15 amSydney Kingsford Smith
Feb 10
SYD12:10 pmSydney Kingsford Smith
19h 39m
1 stop
SAN12:49 pmSan Diego
$963
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momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Diego to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Wed 4/1

6:10 pm-7:05 am

1 stop19h 55m

Brisbane

Tue 4/14

10:00 am-5:24 pm

1 stop24h 24m

$836

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 2/1

12:45 pm-2:40 pm

2 stops30h 55m

Sydney Kingsford Smith

Tue 2/10

11:20 am-12:03 pm

1 stop19h 43m

$845

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 2/1

6:00 pm-9:15 am

1 stop20h 15m

Sydney Kingsford Smith

Tue 2/10

12:10 pm-12:49 pm

1 stop19h 39m

$963

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Wed 4/1

7:38 pm-6:30 am

1 stop17h 52m

Brisbane

Tue 4/14

10:30 am-10:04 am

1 stop16h 34m

$970

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Mon 1/26

1:29 pm-8:00 am

2 stops23h 31m

Melbourne

Wed 2/4

10:10 am-6:06 pm

2 stops26h 56m

$1,085

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Wed 3/4

3:59 pm-8:00 am

1 stop21h 01m

Melbourne

Wed 3/18

9:10 am-9:19 am

1 stop18h 09m

$1,094

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 2/6

6:45 pm-7:45 pm

2 stops30h 00m

Sydney Kingsford Smith

Tue 2/17

9:40 pm-6:40 am

2 stops28h 00m

$1,160

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Tue 3/17

4:04 pm-10:55 am

2 stops24h 51m

Melbourne

Sun 3/29

12:05 pm-11:44 pm

2 stops29h 39m

$1,181

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Tue 3/17

4:04 pm-9:25 am

2 stops23h 21m

Melbourne

Sun 3/29

8:35 am-11:44 pm

2 stops33h 09m

$1,182

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/2

5:10 pm-7:45 pm

1 stop31h 35m

Sydney Kingsford Smith

Sat 12/20

9:40 pm-8:05 pm

1 stop17h 25m

$1,251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

The month of August is, on average, the cheapest month to fly to Australia from San Diego, with most prices found around $949. If you aren’t able to travel during the month of August, then book flights to Australia from San Diego during September instead. Flights to Australia in September, while not as cheap as those in August, still average around $965.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from San Diego to Australia is on a Monday. Travelers who choose to depart for Australia on a Monday will often find tickets for as low as $1,157. On the other hand, Saturday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,453.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from San Diego at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,128 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,286 on average. Flights to Australia from San Diego in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $1,098 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 $934 on momondo.

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

You could potentially save up to 3% 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

Direct flights

None
There are no direct flights from San Diego to Australia. There are no popular flight routes from San Diego to Australia.
Search flight deals

  • 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?

  • 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 CanadaPriceFrom $771Free CancellationRating
7.1
10,383 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,220 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
520 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,798 reviews
Search Hawaiian Airlines 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.

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Find better results for your trip to Australia

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