$466+ Cheap flights from Sydney (SYD) to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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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
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Cheapest flights from Sydney to San DiegoExplore 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 September 4, 2026.
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 September 4, 2026.
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 am -
1 stop23h 40m
Thu 10/224:50 pm -
1 stop21h 30m
Deal found 8/31![Air New Zealand logo]()
$1,067
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:20 am -
1 stop23h 40m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Air New Zealand logo]()
$1,107
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/39:10 am -
2 stops42h 19m
Sun 9/136:20 am -
2 stops31h 05m
Deal found 8/30![American Airlines logo]()
$1,109
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:30 am -
2 stops26h 30m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Multiple Airlines logo]()
$1,124
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/1310:10 am -
2 stops40h 57m
Sun 11/229:30 am -
2 stops25h 55m
Deal found 9/3![American Airlines logo]()
$1,128
This SmartFares deal was found by Cheapflights users on 9/3. 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.
Thu 11/199:40 pm -
1 stop17h 28m
Wed 12/25:35 pm -
1 stop31h 10m
Deal found 9/3![Alaska Airlines logo]()
$1,131
This SmartFares deal was found by Cheapflights users on 8/30. 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.
Fri 9/48:45 pm -
1 stop27h 07m
Fri 9/1112:45 pm -
1 stop37h 05m
Deal found 8/30![Multiple Airlines logo]()
$1,136
This flugladen.de deal was found by Cheapflights users on 9/3. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:45 pm -
1 stop17h 14m
Thu 9/175:15 pm -
1 stop32h 35m
Deal found 9/3![Alaska Airlines logo]()
$1,147
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:20 am -
1 stop23h 40m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Air New Zealand logo]()
$1,152
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/39:10 am -
2 stops42h 19m
Fri 9/119:46 am -
2 stops27h 39m
Deal found 8/30![American Airlines logo]()
$1,159
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 am -
2 stops26h 30m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Multiple Airlines logo]()
$1,168
Best flights from Sydney to San DiegoDiscover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Qantas Airways deal was found by Cheapflights users on 9/1. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:50 pm -
2 stops20h 47m
Wed 10/211:10 pm -
3 stops26h 05m
Deal found 9/1![Multiple Airlines logo]()
$1,527
This Trip.com deal was found by Cheapflights users on 9/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:20 am -
1 stop18h 58m
Fri 10/95:00 pm -
1 stop21h 00m
Deal found 9/3![Virgin Australia logo]()
$1,591
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Wed 12/231:20 pm -
2 stops23h 01m
Wed 1/135:00 pm -
2 stops21h 20m
Deal found 9/1![United Airlines logo]()
$1,682
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:45 pm -
2 stops30h 15m
Fri 10/95:00 pm -
1 stop31h 50m
Deal found 9/2![Multiple Airlines logo]()
$1,621
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Mon 12/2111:20 am -
1 stop27h 57m
Sat 1/97:41 pm -
1 stop39h 39m
Deal found 8/30![United Airlines logo]()
$1,763
Last-minute flights from Sydney to San DiegoDiscover last-minute flight deals from Sydney to San Diego. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to San Diego. Data last updated September 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/39:10 am -
2 stops42h 19m
Sun 9/136:20 am -
2 stops31h 05m
Deal found 8/30![American Airlines logo]()
$1,109
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/39:10 am -
2 stops42h 19m
Fri 9/119:46 am -
2 stops27h 39m
Deal found 8/30![American Airlines logo]()
$1,159
This Hawaiian Airlines deal was found by Cheapflights users on 8/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:45 pm -
1 stop17h 14m
Thu 9/105:15 pm -
1 stop32h 35m
Deal found 8/30![Alaska Airlines logo]()
$1,177
This SmartFares deal was found by Cheapflights users on 8/30. 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.
Fri 9/48:45 pm -
1 stop27h 07m
Fri 9/1112:45 pm -
1 stop37h 05m
Deal found 8/30![Multiple Airlines logo]()
$1,136
This flugladen.de deal was found by Cheapflights users on 9/3. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:45 pm -
1 stop17h 14m
Thu 9/175:15 pm -
1 stop32h 35m
Deal found 9/3![Alaska Airlines logo]()
$1,147
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/1310:10 am -
2 stops40h 57m
Sun 11/229:30 am -
2 stops25h 55m
Deal found 9/3![American Airlines logo]()
$1,128
This Ovago deal was found by Cheapflights users on 8/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 am -
1 stop23h 40m
Thu 10/224:50 pm -
1 stop21h 30m
Deal found 8/31![Air New Zealand logo]()
$1,067
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:20 am -
1 stop23h 40m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Air New Zealand logo]()
$1,107
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:30 am -
2 stops26h 30m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Multiple Airlines logo]()
$1,124
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:20 am -
1 stop23h 40m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Air New Zealand logo]()
$1,152
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:30 am -
2 stops26h 30m
Fri 10/305:15 pm -
1 stop21h 20m
Deal found 9/1![Multiple Airlines logo]()
$1,168
One-way flights from Sydney to San DiegoSearch for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/22:00 pm -
3 stops25h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:00 pm -
2 stops22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$564
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/211:20 am -
1 stop20h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Air Canada logo]()
$652
This lol.travel deal was found by Cheapflights users on 8/31. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:25 pm -
2 stops36h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Air Canada logo]()
$667
This KAYAK deal was found by Cheapflights users on 8/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:20 am -
1 stop24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Air New Zealand logo]()
$710
This Flighttix deal was found by Cheapflights users on 8/31. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:10 am -
2 stops31h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![British Airways logo]()
$722
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/510:10 am -
2 stops23h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 11/2411:20 am -
3 stops31h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/289:10 am -
2 stops26h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 9/2810:20 am -
1 stop25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![United Airlines logo]()
$740
This KAYAK deal was found by Cheapflights users on 9/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:10 am -
2 stops23h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Qantas Airways logo]()
$749
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,067 (Ovago) |
One-way from | $466 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $1,237 |
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 7,457,451 searches. Data last updated September 4, 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
Cheapest round-trip
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Mon 10/5
10:10 am-3:32 pm
2 stops23h 22m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$726
Quickest round-trip
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Mon 10/5
10:15 am-10:10 am
1 stop17h 55m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$735
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Mon 9/28
10:20 am-6:35 pm
1 stop25h 15m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$740
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Wed 9/23
7:50 am-6:35 pm
2 stops27h 45m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$777
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Sat 11/21
10:40 am-10:59 pm
1 stop31h 19m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$793
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Mon 10/5
2:15 pm-12:23 pm
3 stops40h 08m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$836
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Wed 9/23
9:20 am-4:12 pm
1 stop23h 52m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$882
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Sun 1/17
11:20 am-12:29 am
3 stops32h 09m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,027
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Tue 12/15
1:20 pm-12:29 am
1 stop30h 09m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,030
SydneySan Diego
SYD Sydney Kingsford Smith - SAN San Diego
SYDSAN
Sydney Kingsford Smith
Mon 9/28
5:30 pm-11:16 am
3 stops34h 46m
San Diego
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$1,050
Showing 1-10 of 16 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
SYD-SAN
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 61 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, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,012). 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?
Airfare is typical for this route at the moment.
Sydney to San Diego flights typically cost between $836 and $1,427 in October.The cheapest round-trip price found within the last 5 days was $1,067 on Air New Zealand (Oct 15-Oct 22).
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 September 4, 2026.
Peruse reviews from past customers who have flown with 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.
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.4
Food
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
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Sydney and San Diego flights
Browse other Sydney and San Diego flight options. Last updated on September 4, 2026.
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Other flights to San Diego
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Top airline flying from Sydney to San Diego
Discover the top airline 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,230 | Average$1,291 | FlexibilityNo cancel fee | On-time69% |