HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$587+ Cheap flights from Sydney (SYD) 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney 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 Sydney to San Diego

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.

This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:30 am
SYD
-
SAN
2 stops22h 25m
United Airlines
Wed 6/101:39 pm
SAN
-
SYD
2 stops24h 21m
United Airlines
Deal found 5/20$956
This Flysmarter deal was found by Cheapflights users on 5/22. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:20 am
SYD
-
SAN
1 stop28h 35m
Air Canada
Mon 6/154:55 pm
SAN
-
SYD
1 stop21h 25m
Air Canada
Deal found 5/22$965
This Flysmarter deal was found by Cheapflights users on 5/22. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:20 am
SYD
-
SAN
1 stop28h 35m
Multiple Airlines
Mon 6/154:55 pm
SAN
-
SYD
2 stops26h 45m
Multiple Airlines
Deal found 5/22$969
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:10 am
SYD
-
SAN
2 stops26h 08m
American Airlines
Sun 8/236:25 am
SAN
-
SYD
2 stops31h 40m
American Airlines
Deal found 5/24$1,011
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/19:10 am
SYD
-
SAN
2 stops25h 41m
American Airlines
Mon 6/1512:46 pm
SAN
-
SYD
2 stops25h 19m
American Airlines
Deal found 5/22$1,012
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:00 pm
SYD
-
SAN
1 stop24h 54m
American Airlines
Wed 8/199:40 am
SAN
-
SYD
2 stops28h 25m
American Airlines
Deal found 5/24$1,019
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:15 am
SYD
-
SAN
1 stop22h 55m
Delta
Tue 8/185:01 pm
SAN
-
SYD
2 stops44h 49m
Delta
Deal found 5/24$1,029
This TravelUp deal was found by Cheapflights users on 5/24. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:20 am
SYD
-
SAN
1 stop27h 33m
Multiple Airlines
Wed 7/1511:55 am
SAN
-
SYD
1 stop26h 00m
Multiple Airlines
Deal found 5/24$1,043
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:10 am
SYD
-
SAN
2 stops40h 40m
American Airlines
Tue 8/187:15 am
SAN
-
SYD
2 stops30h 10m
American Airlines
Deal found 5/24$1,044
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:10 am
SYD
-
SAN
2 stops27h 44m
American Airlines
Sat 8/2212:47 pm
SAN
-
SYD
2 stops25h 18m
American Airlines
Deal found 5/24$1,061
This American Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 6/55:50 pm
SYD
-
SAN
2 stops38h 37m
American Airlines
Tue 6/99:51 am
SAN
-
SYD
2 stops27h 34m
American Airlines
Deal found 5/20$1,063

Find flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,011
(American Airlines)

One-way from

$587
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$953
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 Sydney Kingsford Smith to San Diego
Search Deals
One-way flight from Sydney Kingsford Smith to San Diego
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney 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 May 25, 2026.
Use the filters below to find and compare flights from Sydney 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

Thu 7/16

10:20 am-9:59 am

1 stop16h 39m

San Diego

Thu 7/23

1:39 pm-7:00 am

2 stops24h 21m

$1,079

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 7/16

9:15 am-11:50 pm

2 stops31h 35m

San Diego

Thu 7/23

6:15 am-6:50 am

2 stops31h 35m

$1,079
Quickest round-trip

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/14

10:20 am-10:18 am

1 stop16h 58m

San Diego

Sun 8/23

5:00 pm-6:55 am

2 stops20h 55m

$1,079

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/14

9:30 am-7:55 pm

1 stop27h 25m

San Diego

Sat 8/22

6:20 am-7:00 am

1 stop31h 40m

$1,129

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 6/5

9:20 am-4:15 pm

1 stop23h 55m

San Diego

Tue 6/9

4:55 pm-7:20 am

1 stop21h 25m

$1,150

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/7

8:45 pm-9:07 pm

1 stop17h 22m

San Diego

Tue 8/11

5:16 pm-6:50 pm

1 stop32h 34m

$1,162

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/16

8:45 pm-9:07 pm

1 stop17h 22m

San Diego

Thu 8/20

12:45 pm-6:50 pm

1 stop37h 05m

$1,179

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 8/15

8:45 pm-6:32 am

1 stop26h 47m

San Diego

Thu 8/20

9:16 pm-6:50 pm

2 stops28h 34m

$1,210

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/7

9:20 am-4:18 pm

1 stop23h 58m

San Diego

Tue 8/11

4:55 pm-10:40 am

2 stops24h 45m

$1,211

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 6/19

8:45 pm-9:07 pm

1 stop17h 22m

San Diego

Fri 6/26

9:01 pm-6:50 pm

2 stops28h 49m

$1,231

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Sydney to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to San Diego in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney 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 Sydney to San Diego

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

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $840). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,289). 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 much does it cost to fly round-trip from Sydney to San Diego?

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 May 25, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Sydney to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,434 reviews

Food

7.2

Overall

7.9

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
7.9
Good
8,434 reviews
Delta
7.9
Good
8,434 reviews

Food

7.2

Overall

7.9

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
9,747 reviews
Delta
7.9
Good
8,434 reviews

Food

7.2

Overall

7.9

Comfort

7.8

Entertainment

7.8

Boarding

8.1

Crew

8.5

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 Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    United Airlines and Delta can get you from Sydney to San Diego in just under 22h 47m. Your travel time can differ by up to 8h 48m. The distance between Sydney and San Diego is about 7510 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    United Airlines, at $834, was found to be the cheapest airline from Sydney to San Diego. An alternate airline flying to your destination would be Delta. United Airlines is currently priced 19% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney 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 Sydney to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $840). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,289). 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
Chula Vista
National City
Coronado
Poway
La Mesa
Julian
Santee
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.

Alternative routes for Sydney to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Los Angeles flights
Sydney to San Francisco flights
Sydney to Las Vegas flights
Sydney to Sacramento flights
Sydney to Oakland flights
Sydney to San Jose flights

Top 2 airlines flying from Sydney to San Diego

Discover the top 2 airlines that operate flights from Sydney 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 May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$834Average$1,080FlexibilityNo cancel feeOn-time69%
DeltaCheapest$834Average$1,081FlexibilityNo cancel feeOn-timeN/A

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.