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Cheap flights from San Diego to Australia from $727

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 15/11. 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 return flights

Logo
16:59 - 14:40SAN-SYD
28h 41m2 stops
Logo
16:20 - 16:30SYD-SAN
17h 10m1 stop
$1,209
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Sat, 30 Aug - Fri, 12 Sep
Logo
16:59 - 14:40SAN-SYD
28h 41m2 stops
Logo
16:20 - 16:30SYD-SAN
17h 10m1 stop
$1,211
Find Deal
Sat, 30 Aug - Fri, 12 Sep
Air Canada Logo
06:15 - 07:20SAN-SYD
32h 05m1 stop
Air Canada Logo
09:20 - 11:57SYD-SAN
19h 37m1 stop
$1,231Air Canada
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Sun, 17 Aug - Sun, 31 Aug
Air Canada Logo
16:40 - 08:20SAN-SYD
21h 40m1 stop
Air Canada Logo
11:20 - 12:03SYD-SAN
19h 43m1 stop
$1,251Air Canada
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Sun, 19 Oct - Wed, 19 Nov
United Airlines Logo
13:50 - 07:00SAN-SYD
24h 10m2 stops
United Airlines Logo
09:30 - 12:27SYD-SAN
19h 57m2 stops
$1,353United Airlines
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Sun, 17 Aug - Sun, 31 Aug
United Airlines Logo
20:44 - 07:00SAN-SYD
17h 16m1 stop
United Airlines Logo
10:20 - 17:29SYD-SAN
24h 09m2 stops
$1,358United Airlines
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Sun, 17 Aug - Sun, 31 Aug
Air New Zealand Logo
20:37 - 10:45SAN-OOL
45h 08m2 stops
Air New Zealand Logo
11:55 - 20:48OOL-SAN
25h 53m2 stops
$1,594Air New Zealand
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Fri, 12 Sep - Wed, 24 Sep
Air New Zealand Logo
11:08 - 10:50SAN-MEL
29h 42m2 stops
Air New Zealand Logo
12:05 - 23:41MEL-SAN
29h 36m2 stops
$1,608Air New Zealand
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Sun, 12 Oct - Sun, 19 Oct
Cathay Pacific Logo
19:59 - 22:40SAN-PER
35h 41m2 stops
Cathay Pacific Logo
09:15 - 23:44PER-SAN
29h 29m2 stops
$1,740Cathay Pacific
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Mon, 15 Sep - Wed, 1 Oct
Cathay Pacific Logo
07:00 - 06:55SAN-PER
31h 55m2 stops
Cathay Pacific Logo
08:30 - 21:29PER-SAN
52h 59m2 stops
$1,836Cathay Pacific
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Thu, 13 Nov - Mon, 17 Nov

Air Canada flights from San Diego to Australia

Our best Air Canada deals on San Diego to Australia flight tickets
Air Canada
17 Aug
SAN06:15San Diego
32h 05m
1 stop
SYD07:20Sydney Kingsford Smith
31 Aug
SYD09:20Sydney Kingsford Smith
19h 37m
1 stop
SAN11:57San Diego
$1,231
Find similar
Air Canada
19 Oct
SAN16:40San Diego
21h 40m
1 stop
SYD08:20Sydney Kingsford Smith
19 Nov
SYD11:20Sydney Kingsford Smith
19h 43m
1 stop
SAN12:03San Diego
$1,251
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Air Canada
19 Oct
SAN16:40San Diego
21h 40m
1 stop
SYD08:20Sydney Kingsford Smith
19 Nov
SYD11:20Sydney Kingsford Smith
25h 04m
1 stop
SAN17:24San Diego
$1,253
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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
17 Aug
SAN13:50San Diego
24h 10m
2 stops
SYD07:00Sydney Kingsford Smith
31 Aug
SYD09:30Sydney Kingsford Smith
19h 57m
2 stops
SAN12:27San Diego
$1,353
Find similar
United Airlines
17 Aug
SAN20:44San Diego
17h 16m
1 stop
SYD07:00Sydney Kingsford Smith
31 Aug
SYD10:20Sydney Kingsford Smith
24h 09m
2 stops
SAN17:29San Diego
$1,358
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United Airlines
17 Aug
SAN16:00San Diego
21h 55m
1 stop
SYD06:55Sydney Kingsford Smith
31 Aug
SYD10:20Sydney Kingsford Smith
23h 03m
1 stop
SAN16:23San Diego
$1,362
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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 6 August 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

Sat 30/8

16:59-14:40

2 stops28h 41m

Sydney Kingsford Smith

Fri 12/9

16:20-16:30

1 stop17h 10m

$1,209

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 30/8

16:59-14:40

2 stops28h 41m

Sydney Kingsford Smith

Fri 12/9

16:20-16:30

1 stop17h 10m

$1,211

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 17/8

06:15-07:20

1 stop32h 05m

Sydney Kingsford Smith

Sun 31/8

09:20-11:57

1 stop19h 37m

$1,231

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 19/10

16:40-08:20

1 stop21h 40m

Sydney Kingsford Smith

Wed 19/11

11:20-12:03

1 stop19h 43m

$1,251

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 17/8

13:50-07:00

2 stops24h 10m

Sydney Kingsford Smith

Sun 31/8

09:30-12:27

2 stops19h 57m

$1,353

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 17/8

20:44-07:00

1 stop17h 16m

Sydney Kingsford Smith

Sun 31/8

10:20-17:29

2 stops24h 09m

$1,358

San DiegoCoolangatta

SAN - OOL

SANOOL

San Diego

Fri 12/9

20:37-10:45

2 stops45h 08m

Coolangatta Gold Coast

Wed 24/9

11:55-20:48

2 stops25h 53m

$1,594

San DiegoMelbourne

SAN - MEL

SANMEL

San Diego

Sun 12/10

11:08-10:50

2 stops29h 42m

Melbourne

Sun 19/10

12:05-23:41

2 stops29h 36m

$1,608

San DiegoPerth

SAN - PER

SANPER

San Diego

Mon 15/9

19:59-22:40

2 stops35h 41m

Perth

Wed 1/10

09:15-23:44

2 stops29h 29m

$1,740

San DiegoPerth

SAN - PER

SANPER

San Diego

Thu 13/11

07:00-06:55

2 stops31h 55m

Perth

Mon 17/11

08:30-21:29

2 stops52h 59m

$1,836

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 $1,492. If you don’t want to visit Australia in August, then you should wait until June to fly from San Diego, when ticket prices are also cheap, with an average price of $1,540.

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 $1,724. 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 $1,959. 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 $1,691. 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 $1,851. 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 $1,756 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 $1,474 on momondo.

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

You could potentially save up to 30% 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

Best price found

$727

Fastest flight time

17h 16m

Direct flights

None

Airports in Australia

4 airports
The best one-way flight to Australia from San Diego in the past 72 hours is $727. The best return flight deal from San Diego to Australia found on momondo in the last 72 hours is $1,209.
The fastest flight from San Diego to Australia takes 17h 16m
There are no direct flights from San Diego to Australia. Popular non-direct routes for this connection are San Diego Airport - Brisbane Airport, San Diego Airport - Sydney Kingsford Smith Airport and San Diego Airport - Melbourne Airport.
There are 4 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Sydney Kingsford Smith (SYD)
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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 $1,126Free cancellationRating
7.4
8,916 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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