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Cheap flights from San Diego to Australia from $509

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 2/1. 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.
Multiple Airlines Logo
12:45 pm - 9:35 amSAN-SYD
25h 50m1 stop
Multiple Airlines Logo
9:20 pm - 11:03 amSYD-SAN
32h 43m2 stops
$845Multiple Airlines
Find Deal
Tue, Feb 24 - Sat, Mar 7
Air Canada Logo
6:05 pm - 8:45 amSAN-BNE
20h 40m1 stop
Air Canada Logo
10:45 am - 5:24 pmBNE-SAN
24h 39m1 stop
$867Air Canada
Find Deal
Sat, Jan 31 - Sun, Feb 8
United Airlines Logo
7:50 pm - 9:15 amSAN-SYD
18h 25m1 stop
United Airlines Logo
2:00 pm - 3:02 pmSYD-SAN
20h 02m1 stop
$963United Airlines
Find Deal
Sun, Nov 16 - Sun, Dec 14
Delta Logo
7:58 pm - 8:20 amSAN-BNE
18h 22m1 stop
Delta Logo
9:40 am - 3:22 pmBNE-SAN
22h 42m1 stop
$970Delta
Find Deal
Wed, Mar 4 - Sun, Mar 22
United Airlines Logo
6:15 am - 7:30 amSAN-BNE
31h 15m2 stops
United Airlines Logo
10:40 am - 10:29 amBNE-SAN
16h 49m1 stop
$975United Airlines
Find Deal
Sun, Mar 1 - Wed, Mar 25
Delta Logo
4:04 pm - 8:30 amSAN-SYD
21h 26m1 stop
Delta Logo
10:40 am - 3:23 pmSYD-SAN
23h 43m1 stop
$982Delta
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Tue, Dec 2 - Tue, Dec 9
Air New Zealand Logo
6:15 am - 10:30 amSAN-SYD
33h 15m2 stops
Air New Zealand Logo
7:15 pm - 7:52 pmSYD-SAN
43h 37m2 stops
$1,156Air New Zealand
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Sat, Nov 29 - Sat, Dec 6
Alaska Airlines Logo
7:28 pm - 7:45 pmSAN-SYD
29h 17m2 stops
Alaska Airlines Logo
9:40 pm - 11:14 pmSYD-SAN
20h 34m2 stops
$1,160Alaska Airlines
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Thu, Dec 4 - Mon, Dec 22
Alaska Airlines Logo
5:10 pm - 7:45 pmSAN-SYD
31h 35m1 stop
Alaska Airlines Logo
9:40 pm - 7:20 amSYD-SAN
28h 40m2 stops
$1,176Alaska Airlines
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Tue, Dec 2 - Sat, Dec 20
Air New Zealand Logo
4:00 pm - 10:30 amSAN-SYD
23h 30m2 stops
Air New Zealand Logo
1:55 pm - 7:54 pmSYD-SAN
24h 59m2 stops
$1,180Air New Zealand
Find Deal
Tue, Jan 27 - Wed, Feb 11

American Airlines flights from San Diego to Australia

Our best American Airlines deals on San Diego to Australia flight tickets
American Airlines
Dec 2
SAN4:25 pmSan Diego
21h 35m
2 stops
SYD9:00 amSydney Kingsford Smith
Dec 9
SYD11:20 amSydney Kingsford Smith
26h 05m
2 stops
SAN6:25 pmSan Diego
$951
Find similar
American Airlines
Nov 16
SAN12:50 pmSan Diego
25h 10m
2 stops
SYD9:00 amSydney Kingsford Smith
Dec 14
SYD5:45 pmSydney Kingsford Smith
23h 08m
2 stops
SAN9:53 pmSan Diego
$952
Find similar
American Airlines
Dec 3
SAN8:25 amSan Diego
27h 30m
1 stop
SYD6:55 amSydney Kingsford Smith
Dec 17
SYD5:45 pmSydney Kingsford Smith
19h 40m
2 stops
SAN6:25 pmSan Diego
$953
Find similar

United Airlines flights from San Diego to Australia

Our best United Airlines deals on San Diego to Australia flight tickets
United Airlines
Nov 16
SAN7:50 pmSan Diego
18h 25m
1 stop
SYD9:15 amSydney Kingsford Smith
Dec 14
SYD2:00 pmSydney Kingsford Smith
20h 02m
1 stop
SAN3:02 pmSan Diego
$963
Find similar
United Airlines
Mar 1
SAN6:15 amSan Diego
31h 15m
2 stops
BNE7:30 amBrisbane
Mar 25
BNE10:40 amBrisbane
16h 49m
1 stop
SAN10:29 amSan Diego
$975
Find similar
United Airlines
Mar 1
SAN6:00 amSan Diego
31h 30m
1 stop
BNE7:30 amBrisbane
May 3
BNE10:30 amBrisbane
22h 08m
1 stop
SAN3:38 pmSan Diego
$977
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 November 6, 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 2/24

12:45 pm-9:35 am

1 stop25h 50m

Sydney Kingsford Smith

Sat 3/7

9:20 pm-11:03 am

2 stops32h 43m

$845

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sat 1/31

6:05 pm-8:45 am

1 stop20h 40m

Brisbane

Sun 2/8

10:45 am-5:24 pm

1 stop24h 39m

$867

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 11/16

7:50 pm-9:15 am

1 stop18h 25m

Sydney Kingsford Smith

Sun 12/14

2:00 pm-3:02 pm

1 stop20h 02m

$963

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Wed 3/4

7:58 pm-8:20 am

1 stop18h 22m

Brisbane

Sun 3/22

9:40 am-3:22 pm

1 stop22h 42m

$970

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sun 3/1

6:15 am-7:30 am

2 stops31h 15m

Brisbane

Wed 3/25

10:40 am-10:29 am

1 stop16h 49m

$975

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/2

4:04 pm-8:30 am

1 stop21h 26m

Sydney Kingsford Smith

Tue 12/9

10:40 am-3:23 pm

1 stop23h 43m

$982

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 11/29

6:15 am-10:30 am

2 stops33h 15m

Sydney Kingsford Smith

Sat 12/6

7:15 pm-7:52 pm

2 stops43h 37m

$1,156

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 12/4

7:28 pm-7:45 pm

2 stops29h 17m

Sydney Kingsford Smith

Mon 12/22

9:40 pm-11:14 pm

2 stops20h 34m

$1,160

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-7:20 am

2 stops28h 40m

$1,176

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 1/27

4:00 pm-10:30 am

2 stops23h 30m

Sydney Kingsford Smith

Wed 2/11

1:55 pm-7:54 pm

2 stops24h 59m

$1,180

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
10,416 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,246 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
526 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,804 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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