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Cheap flights from San Diego to Australia from $501

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 12/2. 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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Find the cheapest flights from San Diego to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:48 pm - 7:45 pmSAN-SYD
29h 57m2 stops
Alaska Airlines Logo
9:40 pm - 8:10 pmSYD-SAN
17h 30m1 stop
$999Alaska Airlines
Find Deal
Tue, Nov 11 - Thu, Dec 11
Alaska Airlines Logo
1:45 pm - 7:45 pmSAN-SYD
36h 00m1 stop
Alaska Airlines Logo
9:40 pm - 8:10 pmSYD-SAN
17h 30m1 stop
$1,016Alaska Airlines
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Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
11:02 am - 7:30 amSAN-BNE
26h 28m2 stops
United Airlines Logo
11:40 am - 5:29 pmBNE-SAN
23h 49m2 stops
$1,032United Airlines
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Sun, Nov 2 - Sun, Nov 16
Delta Logo
4:07 pm - 8:20 amSAN-BNE
22h 13m1 stop
Delta Logo
11:05 am - 3:27 pmBNE-SAN
22h 22m1 stop
$1,036Delta
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Mon, Nov 10 - Wed, Nov 26
Delta Logo
5:15 pm - 8:20 amSAN-BNE
21h 05m2 stops
Delta Logo
11:05 am - 4:09 pmBNE-SAN
23h 04m2 stops
$1,041Delta
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Mon, Nov 10 - Wed, Nov 26
Air Canada Logo
6:10 pm - 2:15 pmSAN-MEL
25h 05m2 stops
Air Canada Logo
7:10 am - 12:03 pmMEL-SAN
23h 53m2 stops
$1,053Air Canada
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Tue, Feb 10 - Tue, Feb 24
Air Canada Logo
6:10 pm - 2:15 pmSAN-MEL
25h 05m2 stops
Air Canada Logo
7:10 am - 12:03 pmMEL-SAN
22h 53m2 stops
$1,054Air Canada
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Sat, Feb 28 - Thu, Mar 12
United Airlines Logo
1:05 pm - 9:30 amSAN-MEL
25h 25m2 stops
United Airlines Logo
11:30 am - 10:24 amMEL-SAN
17h 54m1 stop
$1,079United Airlines
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Wed, Dec 3 - Fri, Feb 20
Air New Zealand Logo
8:50 pm - 7:30 amSAN-MEL
17h 40m1 stop
Air New Zealand Logo
12:05 pm - 8:16 pmMEL-SAN
25h 11m2 stops
$1,301Air New Zealand
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Mon, Apr 13 - Tue, Apr 21
Air New Zealand Logo
11:12 am - 7:00 amSAN-BNE
25h 48m2 stops
Air New Zealand Logo
8:20 am - 6:34 pmBNE-SAN
28h 14m2 stops
$1,630Air New Zealand
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Sat, Jan 3 - Mon, Jan 12

Hawaiian Airlines flights from San Diego to Australia

Our best Hawaiian Airlines deals on San Diego to Australia flight tickets
Hawaiian Airlines
Oct 17
SAN12:30 pmSan Diego
37h 15m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 31
SYD9:40 pmSydney Kingsford Smith
17h 25m
1 stop
SAN9:05 pmSan Diego
$1,146
Find similar
Hawaiian Airlines
Oct 21
SAN12:30 pmSan Diego
37h 15m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 30
SYD9:40 pmSydney Kingsford Smith
27h 35m
1 stop
SAN7:15 amSan Diego
$1,216
Find similar
Hawaiian Airlines
Oct 21
SAN9:50 amSan Diego
39h 55m
2 stops
SYD7:45 pmSydney Kingsford Smith
Oct 30
SYD9:40 pmSydney Kingsford Smith
27h 41m
2 stops
SAN7:21 amSan Diego
$1,245
Find similar

Alaska Airlines flights from San Diego to Australia

Our best Alaska Airlines deals on San Diego to Australia flight tickets
Alaska Airlines
Nov 11
SAN6:48 pmSan Diego
29h 57m
2 stops
SYD7:45 pmSydney Kingsford Smith
Dec 11
SYD9:40 pmSydney Kingsford Smith
17h 30m
1 stop
SAN8:10 pmSan Diego
$999
Find similar
Alaska Airlines
Oct 31
SAN1:45 pmSan Diego
36h 00m
1 stop
SYD7:45 pmSydney Kingsford Smith
Nov 7
SYD9:40 pmSydney Kingsford Smith
17h 30m
1 stop
SAN8:10 pmSan Diego
$1,016
Find similar
Alaska Airlines
Oct 31
SAN8:08 pmSan Diego
29h 37m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 7
SYD9:40 pmSydney Kingsford Smith
28h 43m
2 stops
SAN7:23 amSan Diego
$1,022
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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 16, 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 DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 11/11

6:48 pm-7:45 pm

2 stops29h 57m

Sydney Kingsford Smith

Thu 12/11

9:40 pm-8:10 pm

1 stop17h 30m

$999

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 10/31

1:45 pm-7:45 pm

1 stop36h 00m

Sydney Kingsford Smith

Fri 11/7

9:40 pm-8:10 pm

1 stop17h 30m

$1,016

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sun 11/2

11:02 am-7:30 am

2 stops26h 28m

Brisbane

Sun 11/16

11:40 am-5:29 pm

2 stops23h 49m

$1,032

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Mon 11/10

4:07 pm-8:20 am

1 stop22h 13m

Brisbane

Wed 11/26

11:05 am-3:27 pm

1 stop22h 22m

$1,036

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Mon 11/10

5:15 pm-8:20 am

2 stops21h 05m

Brisbane

Wed 11/26

11:05 am-4:09 pm

2 stops23h 04m

$1,041

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Tue 2/10

6:10 pm-2:15 pm

2 stops25h 05m

Melbourne

Tue 2/24

7:10 am-12:03 pm

2 stops23h 53m

$1,053

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Sat 2/28

6:10 pm-2:15 pm

2 stops25h 05m

Melbourne

Thu 3/12

7:10 am-12:03 pm

2 stops22h 53m

$1,054

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Wed 12/3

1:05 pm-9:30 am

2 stops25h 25m

Melbourne

Fri 2/20

11:30 am-10:24 am

1 stop17h 54m

$1,079

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Mon 4/13

8:50 pm-7:30 am

1 stop17h 40m

Melbourne

Tue 4/21

12:05 pm-8:16 pm

2 stops25h 11m

$1,301

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sat 1/3

11:12 am-7:00 am

2 stops25h 48m

Brisbane

Mon 1/12

8:20 am-6:34 pm

2 stops28h 14m

$1,630

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 $1,091 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 7% 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.
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  • 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 $767Free CancellationRating
7.1
10,305 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
8,980 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,098 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
7,980 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
515 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,781 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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