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Cheap flights from San Diego to Australia from $451

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 11/18. 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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Find the cheapest flights from San Diego to Australia

Cheap round-trip flights

Air Canada Logo
5:00 pm - 7:20 amSAN-SYD
21h 20m1 stop
Air Canada Logo
9:20 am - 1:20 pmSYD-SAN
21h 00m1 stop
$868Air Canada
Find Deal
Fri, Aug 29 - Tue, Sep 9
Air Canada Logo
2:20 pm - 7:20 amSAN-SYD
24h 00m1 stop
Air Canada Logo
9:20 am - 1:20 pmSYD-SAN
21h 00m1 stop
$869Air Canada
Find Deal
Tue, Sep 9 - Tue, Sep 16
Alaska Airlines Logo
6:59 pm - 7:45 pmSAN-SYD
30h 46m2 stops
Alaska Airlines Logo
9:40 pm - 7:00 amSYD-SAN
27h 20m1 stop
$934Alaska Airlines
Find Deal
Fri, Oct 17 - Sat, Oct 25
American Airlines Logo
3:30 pm - 6:55 amSAN-SYD
21h 25m1 stop
American Airlines Logo
10:10 am - 3:30 pmSYD-SAN
23h 20m2 stops
$935American Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
American Airlines Logo
2:24 pm - 6:55 amSAN-SYD
22h 31m1 stop
American Airlines Logo
1:10 pm - 8:13 pmSYD-SAN
25h 03m1 stop
$936American Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
United Airlines Logo
2:21 pm - 7:00 amSAN-SYD
23h 39m1 stop
United Airlines Logo
9:30 am - 10:27 amSYD-SAN
17h 57m1 stop
$949United Airlines
Find Deal
Thu, Sep 11 - Fri, Sep 26
Delta Logo
10:00 am - 7:30 amSAN-SYD
27h 30m1 stop
Delta Logo
10:40 am - 3:24 pmSYD-SAN
23h 44m1 stop
$950Delta
Find Deal
Sat, Nov 1 - Mon, Dec 1
Alaska Airlines Logo
5:55 pm - 7:45 pmSAN-SYD
31h 50m1 stop
Alaska Airlines Logo
9:40 pm - 7:28 amSYD-SAN
27h 48m2 stops
$951Alaska Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 19
United Airlines Logo
11:08 am - 7:55 amSAN-SYD
26h 47m2 stops
United Airlines Logo
10:30 am - 3:59 pmSYD-SAN
23h 29m2 stops
$954United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 25
Delta Logo
7:59 pm - 8:30 amSAN-SYD
17h 31m1 stop
Delta Logo
10:40 am - 10:55 pmSYD-SAN
31h 15m1 stop
$956Delta
Find Deal
Sat, Nov 22 - Sat, Nov 29

Air Canada flights from San Diego to Australia

Our best Air Canada deals on San Diego to Australia flight tickets
Air Canada
Aug 29
SAN5:00 pmSan Diego
21h 20m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 9
SYD9:20 amSydney Kingsford Smith
21h 00m
1 stop
SAN1:20 pmSan Diego
$868
Find similar
Air Canada
Sep 9
SAN2:20 pmSan Diego
24h 00m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 16
SYD9:20 amSydney Kingsford Smith
21h 00m
1 stop
SAN1:20 pmSan Diego
$869
Find similar
Air Canada
Aug 28
SAN6:15 amSan Diego
32h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 10
SYD9:20 amSydney Kingsford Smith
21h 00m
1 stop
SAN1:20 pmSan Diego
$876
Find similar

American Airlines flights from San Diego to Australia

Our best American Airlines deals on San Diego to Australia flight tickets
American Airlines
Oct 9
SAN3:30 pmSan Diego
21h 25m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 16
SYD10:10 amSydney Kingsford Smith
23h 20m
2 stops
SAN3:30 pmSan Diego
$935
Find similar
American Airlines
Oct 9
SAN2:24 pmSan Diego
22h 31m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 16
SYD1:10 pmSydney Kingsford Smith
25h 03m
1 stop
SAN8:13 pmSan Diego
$936
Find similar
American Airlines
Aug 29
SAN4:20 pmSan Diego
21h 45m
2 stops
SYD7:05 amSydney Kingsford Smith
Sep 9
SYD9:10 amSydney Kingsford Smith
23h 11m
2 stops
SAN3:21 pmSan Diego
$937
Find similar

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 August 26, 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

Fri 8/29

5:00 pm-7:20 am

1 stop21h 20m

Sydney Kingsford Smith

Tue 9/9

9:20 am-1:20 pm

1 stop21h 00m

$868

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 9/9

2:20 pm-7:20 am

1 stop24h 00m

Sydney Kingsford Smith

Tue 9/16

9:20 am-1:20 pm

1 stop21h 00m

$869

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 10/17

6:59 pm-7:45 pm

2 stops30h 46m

Sydney Kingsford Smith

Sat 10/25

9:40 pm-7:00 am

1 stop27h 20m

$934

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 10/9

3:30 pm-6:55 am

1 stop21h 25m

Sydney Kingsford Smith

Thu 10/16

10:10 am-3:30 pm

2 stops23h 20m

$935

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 10/9

2:24 pm-6:55 am

1 stop22h 31m

Sydney Kingsford Smith

Thu 10/16

1:10 pm-8:13 pm

1 stop25h 03m

$936

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 9/11

2:21 pm-7:00 am

1 stop23h 39m

Sydney Kingsford Smith

Fri 9/26

9:30 am-10:27 am

1 stop17h 57m

$949

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 11/1

10:00 am-7:30 am

1 stop27h 30m

Sydney Kingsford Smith

Mon 12/1

10:40 am-3:24 pm

1 stop23h 44m

$950

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/15

5:55 pm-7:45 pm

1 stop31h 50m

Sydney Kingsford Smith

Sun 10/19

9:40 pm-7:28 am

2 stops27h 48m

$951

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/15

11:08 am-7:55 am

2 stops26h 47m

Sydney Kingsford Smith

Sat 10/25

10:30 am-3:59 pm

2 stops23h 29m

$954

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 11/22

7:59 pm-8:30 am

1 stop17h 31m

Sydney Kingsford Smith

Sat 11/29

10:40 am-10:55 pm

1 stop31h 15m

$956

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 $951. 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 $988.

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 $1,105 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 $953 on momondo.

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

You could potentially save up to 15% 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
Alaska AirlinesPriceFrom $748Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $767Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
DeltaPriceFrom $950Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,681 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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