HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$457+ Cheap flights from Australia to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to San Diego

Cheapest flights from Australia to San Diego
Explore the most affordable flight options available from Australia to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:10 am
SYD
-
SAN
2 stops40h 40m
American Airlines
Wed 9/96:20 am
SAN
-
SYD
2 stops31h 35m
American Airlines
Deal found 7/19$833
This SmartFares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:20 am
SYD
-
SAN
1 stop21h 09m
Air Canada
Mon 11/237:05 am
SAN
-
SYD
1 stop31h 30m
Air Canada
Deal found 7/21$937
This SmartFares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:20 am
SYD
-
SAN
1 stop25h 39m
Air Canada
Wed 11/187:05 am
SAN
-
SYD
1 stop31h 30m
Air Canada
Deal found 7/24$943
This BYOjet deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:20 am
SYD
-
SAN
1 stop23h 52m
Air Canada
Sat 10/317:05 am
SAN
-
SYD
1 stop31h 30m
Air Canada
Deal found 7/20$982
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 am
SYD
-
SAN
2 stops23h 26m
American Airlines
Sat 10/311:08 pm
SAN
-
SYD
2 stops25h 52m
American Airlines
Deal found 7/20$987
This Air Canada deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:20 am
SYD
-
SAN
1 stop23h 52m
Air Canada
Mon 11/27:05 am
SAN
-
SYD
1 stop31h 30m
Air Canada
Deal found 7/20$989
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 pm
BNE
-
SAN
2 stops28h 49m
American Airlines
Mon 10/263:07 pm
SAN
-
BNE
1 stop22h 23m
American Airlines
Deal found 7/19$1,023
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:40 am
BNE
-
SAN
1 stop16h 32m
United Airlines
Wed 11/112:30 pm
SAN
-
BNE
2 stops23h 00m
United Airlines
Deal found 7/23$1,037
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:40 am
BNE
-
SAN
2 stops23h 59m
American Airlines
Thu 11/121:05 pm
SAN
-
BNE
2 stops23h 25m
American Airlines
Deal found 7/23$1,048
This Jetabroad deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:10 pm
MEL
-
SAN
2 stops24h 52m
Air New Zealand
Tue 9/155:00 pm
SAN
-
MEL
2 stops24h 55m
Air New Zealand
Deal found 7/24$1,057
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:40 am
BNE
-
SAN
2 stops19h 45m
Delta
Mon 11/95:00 pm
SAN
-
BNE
2 stops21h 20m
Delta
Deal found 7/23$1,060
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:40 am
BNE
-
SAN
1 stop24h 01m
American Airlines
Thu 11/122:18 pm
SAN
-
BNE
1 stop22h 12m
American Airlines
Deal found 7/23$1,081

Find flight deals from Australia to San Diego

Keep the following information in mind while searching for Australia to San Diego flight deals. Data was last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$833
(American Airlines)

One-way from

$457
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,208
Provider with most accurate pricing for Sydney Kingsford Smith-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-San Diego flights.
Search Deals
From Australia to San Diego
Search Deals
One-way flight from Australia to San Diego
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to San Diego 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, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
Use the filters below to find and compare flights from Australia to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:10 am-8:50 am

2 stops40h 40m

San Diego

Wed 9/9

6:20 am-6:55 am

2 stops31h 35m

$892

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 10/24

11:20 am-10:17 am

1 stop16h 57m

San Diego

Fri 10/30

4:45 pm-8:05 am

1 stop21h 20m

$1,005

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 10/20

11:20 am-1:44 pm

1 stop20h 24m

San Diego

Fri 10/30

6:26 pm-9:20 am

1 stop20h 54m

$1,005

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/18

11:20 am-12:18 pm

1 stop18h 58m

San Diego

Wed 10/28

4:01 pm-9:20 am

1 stop23h 19m

$1,005

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 10/23

11:20 am-12:18 pm

1 stop18h 58m

San Diego

Mon 11/2

7:41 pm-9:20 am

1 stop18h 39m

$1,005

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 10/23

10:15 am-10:17 am

1 stop18h 02m

San Diego

Mon 11/2

6:15 am-8:30 am

2 stops31h 15m

$1,006

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 11/10

11:50 am-10:12 am

1 stop17h 22m

San Diego

Mon 11/23

1:31 pm-9:05 am

2 stops24h 34m

$1,006

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:30 am-11:35 am

1 stop19h 05m

San Diego

Wed 9/9

2:24 pm-7:00 am

1 stop23h 36m

$1,006

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Sun 11/1

11:40 am-6:17 pm

2 stops23h 37m

San Diego

Fri 11/13

8:45 am-7:30 am

2 stops28h 45m

$1,037

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Mon 11/2

11:40 am-10:12 am

1 stop16h 32m

San Diego

Wed 11/11

4:45 pm-7:30 am

2 stops20h 45m

$1,037

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 58 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Australia to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to San Diego

What is the cheapest month to book a flight from Australia to San Diego?

Currently, September is the cheapest month in which you can book a flight from Australia to San Diego (average of $840). Flying from Australia to San Diego in December is currently the most expensive (average of $1,276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Australia to San Diego?

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Australia to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated July 24, 2026.
See what other customers who have flown with Delta and United Airlines from Australia to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,482 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
10,026 reviews
Delta
7.8
Good
8,482 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Australia to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Australia?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to San Diego from Australia.

  • How long is the flight from Australia to San Diego?

    For as low as $1,095, American Airlines can have you in San Diego from Australia in 18h 47m. The distance from Australia to San Diego is about 7192 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Australia to San Diego?

    Most travelers choose Sydney Kingsford Smith - San Diego, Perth - San Diego or Brisbane - San Diego when deciding on the best route from Australia to San Diego.

  • Can I find deals for flights from Australia to San Diego that include hotel bookings?

    Yes. In addition to deals on Australia to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to San Diego.

  • Can I find deals for business class flights from Australia to San Diego?

    Yes. Cheapflights offers flight deals from Australia to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Australia to San Diego (average of $840). Flying from Australia to San Diego in December is currently the most expensive (average of $1,276). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Australia to San Diego

Discover the top 2 airlines that operate flights from Australia to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$834Average$1,124FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$834Average$1,230FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.