$592+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
May 17 — May 241
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
Cheapest
Best
Last-minute
One-way
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 April 17, 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 April 17, 2026.
This Gotogate deal was found by Cheapflights users on 4/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:20 am
SYD
- SAN
1 stop28h 35m
Air Canada
Thu 6/412:30 pm
SAN
- SYD
1 stop25h 50m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,146
This flugladen.de deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:20 am
SYD
- SAN
1 stop19h 30m
Air Canada
Wed 6/34:55 pm
SAN
- SYD
1 stop21h 25m
Air Canada
Deal found 4/14![Air Canada logo]()
$1,149
This Flighttix deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:10 am
SYD
- SAN
2 stops25h 41m
British Airways
Wed 6/39:50 am
SAN
- SYD
2 stops28h 15m
British Airways
Deal found 4/14![British Airways logo]()
$1,152
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Tue 5/269:20 am
SYD
- SAN
1 stop28h 35m
Air Canada
Mon 6/154:55 pm
SAN
- SYD
1 stop21h 25m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,184
This American Airlines deal was found by Cheapflights users on 4/13. 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 5/289:10 am
SYD
- SAN
2 stops23h 18m
American Airlines
Sun 6/1412:45 pm
SAN
- SYD
2 stops25h 20m
American Airlines
Deal found 4/13![American Airlines logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/2810:20 am
SYD
- SAN
1 stop16h 39m
United Airlines
Sun 6/144:09 pm
SAN
- SYD
2 stops21h 51m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,196
This Aunt Betty deal was found by Cheapflights users on 4/13. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:45 pm
SYD
- SAN
1 stop26h 49m
Multiple Airlines
Thu 6/43:46 pm
SAN
- SYD
1 stop34h 04m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,197
This American Airlines deal was found by Cheapflights users on 4/16. 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 stops23h 18m
American Airlines
Mon 6/84:33 pm
SAN
- SYD
1 stop21h 22m
American Airlines
Deal found 4/16![American Airlines logo]()
$1,202
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 April 17, 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 April 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/2610:20 am
SYD
- SAN
2 stops21h 35m
United Airlines
Sun 6/147:41 pm
SAN
- SYD
1 stop18h 14m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,208
This Delta deal was found by Cheapflights users on 4/15. 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 5/19:15 am
SYD
- SAN
1 stop30h 21m
Delta
Sat 5/163:15 pm
SAN
- SYD
1 stop22h 35m
Delta
Deal found 4/15![Delta logo]()
$1,305
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Thu 7/28:45 pm
SYD
- SAN
1 stop26h 47m
Multiple Airlines
Sun 8/235:14 pm
SAN
- SYD
1 stop32h 36m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,560
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/110:20 am
SYD
- SAN
1 stop22h 47m
United Airlines
Mon 6/81:39 pm
SAN
- SYD
1 stop24h 16m
United Airlines
Deal found 4/17![United Airlines logo]()
$1,213
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/88:45 pm
SYD
- SAN
1 stop26h 55m
Multiple Airlines
Tue 5/125:10 pm
SAN
- SYD
1 stop32h 40m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,586
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Sun 7/58:45 pm
SYD
- SAN
2 stops30h 38m
Multiple Airlines
Thu 8/203:55 pm
SAN
- SYD
1 stop33h 55m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,590
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 6/308:45 pm
SYD
- SAN
1 stop26h 47m
Multiple Airlines
Thu 8/205:14 pm
SAN
- SYD
1 stop32h 36m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/79:30 am
SYD
- SAN
2 stops23h 09m
United Airlines
Mon 5/116:05 pm
SAN
- SYD
2 stops19h 50m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,939
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 6/268:45 pm
SYD
- SAN
1 stop26h 47m
Multiple Airlines
Fri 7/109:01 pm
SAN
- SYD
2 stops28h 49m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,630
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 6/308:45 pm
SYD
- SAN
1 stop26h 47m
Multiple Airlines
Wed 8/195:14 pm
SAN
- SYD
1 stop32h 36m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,633
This Qantas Airways deal was found by Cheapflights users on 4/13. 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.
Thu 5/286:25 am
SYD
- SAN
3 stops26h 40m
Multiple Airlines
Thu 6/45:42 pm
SAN
- SYD
2 stops20h 48m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,796
Last-minute flights from Sydney to San DiegoDiscover last-minute flight deals from Sydney to San Diego. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to San Diego. Data last updated April 17, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:20 am
SYD
- SAN
1 stop19h 30m
Air Canada
Wed 6/34:55 pm
SAN
- SYD
1 stop21h 25m
Air Canada
Deal found 4/14![Air Canada logo]()
$1,149
This Flighttix deal was found by Cheapflights users on 4/14. 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.
Thu 5/219:10 am
SYD
- SAN
2 stops25h 41m
British Airways
Wed 6/39:50 am
SAN
- SYD
2 stops28h 15m
British Airways
Deal found 4/14![British Airways logo]()
$1,152
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Tue 5/269:20 am
SYD
- SAN
1 stop28h 35m
Air Canada
Mon 6/154:55 pm
SAN
- SYD
1 stop21h 25m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/2610:20 am
SYD
- SAN
1 stop18h 31m
United Airlines
Sun 6/146:27 pm
SAN
- SYD
1 stop19h 28m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,204
This Gotogate deal was found by Cheapflights users on 4/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:20 am
SYD
- SAN
1 stop28h 35m
Air Canada
Thu 6/412:30 pm
SAN
- SYD
1 stop25h 50m
Air Canada
Deal found 4/13![Air Canada logo]()
$1,146
This American Airlines deal was found by Cheapflights users on 4/13. 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 5/289:10 am
SYD
- SAN
2 stops23h 18m
American Airlines
Sun 6/1412:45 pm
SAN
- SYD
2 stops25h 20m
American Airlines
Deal found 4/13![American Airlines logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/2810:20 am
SYD
- SAN
1 stop16h 39m
United Airlines
Sun 6/144:09 pm
SAN
- SYD
2 stops21h 51m
United Airlines
Deal found 4/13![United Airlines logo]()
$1,196
This Aunt Betty deal was found by Cheapflights users on 4/13. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:45 pm
SYD
- SAN
1 stop26h 49m
Multiple Airlines
Thu 6/43:46 pm
SAN
- SYD
1 stop34h 04m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,197
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 April 17, 2026.
Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Fri 5/293:15 pm
SYD
- SAN
3 stops46h 09m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Thu 6/46:10 am
SYD
- SAN
3 stops53h 20m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/306:10 am
SYD
- SAN
3 stops31h 14m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/2610:15 am
SYD
- SAN
3 stops48h 52m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 7/173:10 pm
SYD
- SAN
3 stops46h 19m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 5/2510:15 am
SYD
- SAN
3 stops54h 29m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Wed 5/63:15 pm
SYD
- SAN
3 stops46h 14m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 5/2810:15 am
SYD
- SAN
3 stops54h 29m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 5/271:15 pm
SYD
- SAN
2 stops25h 37m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$718
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,146 (Gotogate) |
One-way from | $592 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,106 |
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 April 17, 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
Quickest round-trip
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Tue 5/26
10:20 am-2:55 pm
2 stops21h 35m
San Diego
Sun 6/14
7:41 pm-6:55 am
1 stop18h 14m
$1,208
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Mon 6/1
10:20 am-4:07 pm
1 stop22h 47m
San Diego
Mon 6/8
1:39 pm-6:55 am
1 stop24h 16m
$1,213
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Fri 5/1
9:15 am-10:36 pm
1 stop30h 21m
San Diego
Sat 5/16
3:15 pm-6:50 am
1 stop22h 35m
$1,305
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Thu 7/2
8:45 pm-6:32 am
1 stop26h 47m
San Diego
Sun 8/23
5:14 pm-6:50 pm
1 stop32h 36m
$1,560
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Fri 5/8
8:45 pm-6:40 am
1 stop26h 55m
San Diego
Tue 5/12
5:10 pm-6:50 pm
1 stop32h 40m
$1,586
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Sun 7/5
8:45 pm-10:23 am
2 stops30h 38m
San Diego
Thu 8/20
3:55 pm-6:50 pm
1 stop33h 55m
$1,590
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Tue 6/30
8:45 pm-6:32 am
1 stop26h 47m
San Diego
Thu 8/20
5:14 pm-6:50 pm
1 stop32h 36m
$1,603
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Fri 6/26
8:45 pm-6:32 am
1 stop26h 47m
San Diego
Fri 7/10
9:01 pm-6:50 pm
2 stops28h 49m
$1,630
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Tue 6/30
8:45 pm-6:32 am
1 stop26h 47m
San Diego
Wed 8/19
5:14 pm-6:50 pm
1 stop32h 36m
$1,633
SydneySan Diego
SYD - SAN
SYDSAN
Sydney Kingsford Smith
Thu 5/28
6:25 am-4:05 pm
3 stops26h 40m
San Diego
Thu 6/4
5:42 pm-7:30 am
2 stops20h 48m
$1,796
Showing 1-10 of 21 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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?
Use this chart to determine the optimal time to book a round-trip flight from Sydney to San Diego. Price data was last updated on April 10, 2026.
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 40 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 $1,248). 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 April 17, 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.
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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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.
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$834 | Average$1,081 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$834 | Average$1,080 | FlexibilityNo cancel fee | On-time69% |