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Cheap flights from San Diego to Australia from $756

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 15/2. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:45 - 07:45SAN-BNE
26h 00m1 stop
Air Canada Logo
10:00 - 17:24BNE-SAN
24h 24m1 stop
$1,334Air Canada
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Thu, 26 Mar - Tue, 14 Apr
Air Canada Logo
18:05 - 11:30SAN-BNE
24h 25m2 stops
Air Canada Logo
10:00 - 17:24BNE-SAN
24h 24m1 stop
$1,370Air Canada
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Thu, 26 Mar - Tue, 14 Apr
Multiple Airlines Logo
17:10 - 06:10SAN-SYD
18h 00m1 stop
Multiple Airlines Logo
21:25 - 08:35SYD-SAN
30h 10m1 stop
$1,599Multiple Airlines
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Fri, 30 Jan - Tue, 10 Feb
Delta Logo
16:04 - 08:20SAN-BNE
22h 16m1 stop
Delta Logo
10:40 - 21:38BNE-SAN
28h 58m1 stop
$1,603Delta
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Fri, 12 Dec - Fri, 26 Dec
Delta Logo
17:31 - 08:20SAN-BNE
20h 49m2 stops
Delta Logo
10:40 - 21:38BNE-SAN
28h 58m1 stop
$1,610Delta
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Fri, 12 Dec - Fri, 26 Dec
Multiple Airlines Logo
18:05 - 14:15SAN-MEL
25h 10m2 stops
Multiple Airlines Logo
07:10 - 12:03MEL-SAN
23h 53m2 stops
$1,614Multiple Airlines
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Tue, 27 Jan - Wed, 25 Feb
American Airlines Logo
09:45 - 05:00SAN-BNE
25h 15m2 stops
American Airlines Logo
08:40 - 13:33BNE-SAN
21h 53m1 stop
$1,625American Airlines
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Sun, 22 Feb - Wed, 11 Mar
American Airlines Logo
10:50 - 05:00SAN-MEL
23h 10m1 stop
American Airlines Logo
16:05 - 18:14MEL-SAN
21h 09m1 stop
$1,647American Airlines
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Wed, 28 Jan - Wed, 25 Feb
United Airlines Logo
09:54 - 10:00SAN-MEL
29h 06m1 stop
United Airlines Logo
13:00 - 14:58MEL-SAN
20h 58m1 stop
$1,683United Airlines
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Thu, 4 Dec - Fri, 19 Dec
United Airlines Logo
16:08 - 09:30SAN-MEL
22h 22m2 stops
United Airlines Logo
11:30 - 10:30MEL-SAN
18h 00m1 stop
$1,690United Airlines
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Thu, 4 Dec - Mon, 22 Dec

Qantas Airways flights from San Diego to Australia

Our best Qantas Airways deals on San Diego to Australia flight tickets
Qantas Airways
3 Feb
SAN12:15San Diego
22h 55m
1 stop
SYD06:10Sydney Kingsford Smith
13 Feb
SYD19:15Sydney Kingsford Smith
41h 59m
2 stops
SAN18:14San Diego
$1,645
Find similar
Qantas Airways
4 Dec
SAN12:43San Diego
33h 32m
2 stops
MEL17:15Melbourne
25 Dec
MEL16:40Melbourne
39h 04m
2 stops
SAN12:44San Diego
$2,311
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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
10 Apr
SAN09:00San Diego
17h 45m
1 stop
SYD19:45Sydney Kingsford Smith
19 Apr
SYD21:40Sydney Kingsford Smith
26h 10m
1 stop
SAN06:50San Diego
$1,767
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Alaska Airlines
27 Jan
SAN18:45San Diego
30h 00m
2 stops
SYD19:45Sydney Kingsford Smith
13 Feb
SYD21:40Sydney Kingsford Smith
17h 39m
1 stop
SAN20:19San Diego
$1,784
Find similar
Alaska Airlines
20 Mar
SAN17:35San Diego
32h 10m
1 stop
SYD19:45Sydney Kingsford Smith
24 Mar
SYD21:40Sydney Kingsford Smith
27h 50m
2 stops
SAN07:30San Diego
$1,797
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momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 10 November 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

Thu 26/3

12:45-07:45

1 stop26h 00m

Brisbane

Tue 14/4

10:00-17:24

1 stop24h 24m

$1,334

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Thu 26/3

18:05-11:30

2 stops24h 25m

Brisbane

Tue 14/4

10:00-17:24

1 stop24h 24m

$1,370

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 30/1

17:10-06:10

1 stop18h 00m

Sydney Kingsford Smith

Tue 10/2

21:25-08:35

1 stop30h 10m

$1,599

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Fri 12/12

16:04-08:20

1 stop22h 16m

Brisbane

Fri 26/12

10:40-21:38

1 stop28h 58m

$1,603

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Fri 12/12

17:31-08:20

2 stops20h 49m

Brisbane

Fri 26/12

10:40-21:38

1 stop28h 58m

$1,610

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Tue 27/1

18:05-14:15

2 stops25h 10m

Melbourne

Wed 25/2

07:10-12:03

2 stops23h 53m

$1,614

San DiegoBrisbane

SAN - BNE

SANBNE

San Diego

Sun 22/2

09:45-05:00

2 stops25h 15m

Brisbane

Wed 11/3

08:40-13:33

1 stop21h 53m

$1,625

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Wed 28/1

10:50-05:00

1 stop23h 10m

Melbourne

Wed 25/2

16:05-18:14

1 stop21h 09m

$1,647

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Thu 4/12

09:54-10:00

1 stop29h 06m

Melbourne

Fri 19/12

13:00-14:58

1 stop20h 58m

$1,683

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Thu 4/12

16:08-09:30

2 stops22h 22m

Melbourne

Mon 22/12

11:30-10:30

1 stop18h 00m

$1,690

Flights are sorted by cheapest return 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?

In general, August is the cheapest month to fly from San Diego to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,460. If you don’t want to visit Australia in August, then you should wait until February to fly from San Diego, when ticket prices are also cheap, with an average price of $1,483.

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

On average, the least expensive day to fly to Australia from San Diego is on a Monday. momondo users have found tickets for Monday departures for as low as $1,716. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from San Diego to Australia on a Saturday will generally be more expensive and average around $1,949. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from San Diego to Australia in the morning for as low as $1,682. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $1,842. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,680 when searching weeks before you fly. 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 $1,437 on momondo.

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

You could potentially save up to 14% 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable 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
United AirlinesPriceFrom $1,121Free cancellationRating
7.4
9,012 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Australia with flexible booking policies on momondo?

All flight searches from San Diego to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Australia?

momondo provides multiple filters to help you find the best flight to Australia from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from San Diego and alert you when they change.

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