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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
17 Jan — 24 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Diego to Sydney Kingsford Smith are usually found in August or September, booked 56 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from San Diego to Sydney
Enter your travel dates to find the best prices.
Cheapest flights from San Diego to Sydney
Explore the most affordable flight options available from San Diego to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.
Tue 30/1215:38SAN - SYD
2 stops25h 17mQantas Airways
Sun 11/106:20SYD - SAN
2 stops25h 09mQantas Airways
Deal found 17/12$1,975
Tue 30/1216:15SAN - SYD
1 stop21h 15mDelta
Sun 11/110:40SYD - SAN
1 stop27h 13mDelta
Deal found 16/12$2,241
Wed 24/1213:29SAN - SYD
2 stops24h 01mDelta
Wed 31/1210:40SYD - SAN
1 stop23h 53mDelta
Deal found 17/12$2,355
Thu 18/1211:50SAN - SYD
1 stop23h 30mUnited Airlines
Wed 31/1213:00SYD - SAN
2 stops43h 02mUnited Airlines
Deal found 17/12$2,421
Thu 25/1216:15SAN - SYD
1 stop19h 35mDelta
Tue 30/1210:40SYD - SAN
1 stop23h 53mDelta
Deal found 17/12$2,423
Thu 25/1206:15SAN - SYD
2 stops29h 35mDelta
Wed 31/1210:40SYD - SAN
1 stop23h 53mDelta
Deal found 17/12$2,430
Thu 25/1216:00SAN - SYD
1 stop19h 20mUnited Airlines
Thu 1/112:10SYD - SAN
1 stop17h 43mUnited Airlines
Deal found 17/12$2,498
Mon 22/1211:12SAN - SYD
1 stop26h 53mUnited Airlines
Wed 24/1211:30SYD - SAN
2 stops46h 28mUnited Airlines
Deal found 18/12$2,568
Best flights from San Diego to Sydney
Discover carefully curated flight deals from San Diego to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.
Wed 8/418:10SAN - SYD
2 stops24h 30mAir Canada
Wed 15/407:00SYD - SAN
2 stops27h 24mAir Canada
Deal found 16/12$1,439
Sat 11/418:10SAN - SYD
2 stops24h 15mMultiple Airlines
Sat 18/420:10SYD - SAN
2 stops32h 50mMultiple Airlines
Deal found 17/12$1,495
Sun 1/318:05SAN - SYD
1 stop20h 30mAir Canada
Thu 12/307:30SYD - SAN
2 stops22h 33mAir Canada
Deal found 16/12$1,465
Sat 4/418:10SAN - SYD
1 stop20h 10mMultiple Airlines
Sun 12/406:00SYD - SAN
2 stops23h 00mMultiple Airlines
Deal found 17/12$1,560
Sat 31/112:45SAN - SYD
2 stops34h 20mAir Canada
Mon 9/211:20SYD - SAN
1 stop19h 43mAir Canada
Deal found 17/12$1,492
Thu 12/222:09SAN - SYD
1 stop37h 01mMultiple Airlines
Sun 22/221:25SYD - SAN
1 stop16h 54mMultiple Airlines
Deal found 16/12$1,628
Fri 27/218:05SAN - SYD
1 stop20h 30mAir Canada
Fri 13/308:00SYD - SAN
2 stops27h 24mAir Canada
Deal found 16/12$1,530
Thu 30/418:10SAN - SYD
1 stop20h 10mAir Canada
Thu 14/506:30SYD - SAN
2 stops22h 20mAir Canada
Deal found 16/12$1,530
Sat 31/118:05SAN - SYD
2 stops29h 00mAir Canada
Sat 7/211:20SYD - SAN
1 stop19h 43mAir Canada
Deal found 17/12$1,555
Wed 25/218:05SAN - SYD
1 stop20h 30mAir Canada
Wed 4/315:00SYD - SAN
2 stops40h 03mAir Canada
Deal found 17/12$1,616
Last-minute flights from San Diego to Sydney
Discover last-minute flight deals from San Diego to Sydney. Data last updated 18 December 2025 and is based on user searches.
Tue 23/1219:55SAN - SYD
1 stop39h 25mUnited Airlines
Thu 1/112:10SYD - SAN
1 stop19h 52mUnited Airlines
Deal found 17/12$2,708
Wed 24/1213:29SAN - SYD
2 stops24h 01mDelta
Wed 31/1210:40SYD - SAN
2 stops24h 15mDelta
Deal found 17/12$2,355
Wed 24/1216:00SAN - SYD
1 stop19h 20mUnited Airlines
Thu 1/112:10SYD - SAN
1 stop17h 43mUnited Airlines
Deal found 17/12$2,696
Thu 25/1216:15SAN - SYD
1 stop19h 35mDelta
Mon 29/1214:15SYD - SAN
1 stop20h 18mDelta
Deal found 17/12$2,423
Thu 25/1206:15SAN - SYD
2 stops29h 35mDelta
Wed 31/1210:40SYD - SAN
1 stop23h 53mDelta
Deal found 17/12$2,430
Thu 25/1216:00SAN - SYD
1 stop19h 20mUnited Airlines
Thu 1/112:10SYD - SAN
1 stop17h 43mUnited Airlines
Deal found 17/12$2,498
Fri 26/1217:13SAN - SYD
2 stops31h 32mMultiple Airlines
Wed 31/1221:40SYD - SAN
1 stop17h 25mMultiple Airlines
Deal found 17/12$2,773
Sat 27/1216:15SAN - SYD
1 stop19h 35mDelta
Wed 7/110:40SYD - SAN
1 stop18h 17mDelta
Deal found 17/12$2,932
Sat 27/1219:55SAN - SYD
1 stop39h 25mUnited Airlines
Wed 7/112:10SYD - SAN
1 stop17h 36mUnited Airlines
Deal found 16/12$3,085
Sat 27/1217:13SAN - SYD
2 stops31h 32mMultiple Airlines
Wed 7/121:40SYD - SAN
2 stops28h 43mMultiple Airlines
Deal found 16/12$3,092
One-way flights from San Diego to Sydney
Search for one-way flight options from San Diego to Sydney. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.
Thu 12/214:38SAN - SYD
2 stops44h 32mMultiple Airlines
Deal found 15/12$765
Wed 4/312:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 18/12$780
Mon 2/218:05SAN - SYD
2 stops25h 35mMultiple Airlines
Deal found 17/12$806
Sun 15/318:05SAN - SYD
2 stops26h 20mMultiple Airlines
Deal found 16/12$828
Thu 12/312:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 17/12$843
Sat 31/112:34SAN - SYD
2 stops23h 51mMultiple Airlines
Deal found 17/12$845
Thu 19/312:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 16/12$846
Thu 12/318:05SAN - SYD
2 stops24h 55mMultiple Airlines
Deal found 17/12$887
Thu 19/318:05SAN - SYD
2 stops25h 50mMultiple Airlines
Deal found 17/12$889
Find flight deals from San Diego to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Sydney (SYD). 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 18 December 2025.
Customise your flight search to find flights from San Diego to Sydney 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 647,157 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from San Diego to Sydney that are best for you.
Fly from
San Diego
Fly to
Sydney
Route
Depart
Return
Price
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Wed 8/4
18:10-11:40
2 stops24h 30m
Sydney Kingsford Smith
Wed 15/4
07:00-17:24
2 stops27h 24m
$1,439
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sun 1/3
18:05-09:35
1 stop20h 30m
Sydney Kingsford Smith
Thu 12/3
07:30-12:03
2 stops22h 33m
$1,465
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 31/1
12:45-18:05
2 stops34h 20m
Sydney Kingsford Smith
Mon 9/2
11:20-12:03
1 stop19h 43m
$1,492
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 11/4
18:10-11:25
2 stops24h 15m
Sydney Kingsford Smith
Sat 18/4
20:10-12:00
2 stops32h 50m
$1,495
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Fri 27/2
18:05-09:35
1 stop20h 30m
Sydney Kingsford Smith
Fri 13/3
08:00-17:24
2 stops27h 24m
$1,530
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Thu 30/4
18:10-07:20
1 stop20h 10m
Sydney Kingsford Smith
Thu 14/5
06:30-11:50
2 stops22h 20m
$1,530
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 31/1
18:05-18:05
2 stops29h 00m
Sydney Kingsford Smith
Sat 7/2
11:20-12:03
1 stop19h 43m
$1,555
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 4/4
18:10-07:20
1 stop20h 10m
Sydney Kingsford Smith
Sun 12/4
06:00-12:00
2 stops23h 00m
$1,560
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Wed 25/2
18:05-09:35
1 stop20h 30m
Sydney Kingsford Smith
Wed 4/3
15:00-12:03
2 stops40h 03m
$1,616
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Thu 12/2
22:09-06:10
1 stop37h 01m
Sydney Kingsford Smith
Sun 22/2
21:25-19:19
1 stop16h 54m
$1,628
Flights are sorted by cheapest return flights first.
Deals found on 15/12
Showing 1-10 of 19 results
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Best time to book a flight from San Diego to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from San Diego with our price prediction graph.
Estimated return 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 San Diego to Sydney
How far ahead should I book a flight from San Diego to Sydney?
Use this chart to determine the optimal time to book a return flight from San Diego to Sydney. Price data was last updated on 12 December 2025.
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Diego to Sydney?
Currently, September is the cheapest month in which you can book a flight from San Diego to Sydney (average of $801). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,596). 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.
Related info for your journey
Find useful and relevant information for your journey from San Diego to Sydney. 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 San Diego to Sydney?
A quick flight from San Diego to Sydney can take about 24h 30m. Air Canada provides one of the quickest options available for as low as $1,439. San Diego and Sydney are separated by a distance of 12086 km.
Can I find deals for flights from San Diego to Sydney that include hotel bookings?
Yes. In addition to deals on San Diego to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Diego to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Sydney.
Can I find deals for business class flights from San Diego to Sydney?
Yes. Cheapflights offers flight deals from San Diego to Sydney 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 San Diego to Sydney?
Currently, September is the cheapest month in which you can book a flight from San Diego to Sydney (average of $801). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,596). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Diego to Sydney?
Cheapflights makes it easy to find San Diego to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from San Diego to Sydney?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Diego to Sydney for you. Better yet — we are completely free to use.
Can Cheapflights find flights from San Diego to Sydney with no change fees?
Certainly. Search results for flights to Sydney from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from San Diego to Sydney become cheaper?
Of course! You can now track prices for flights from San Diego to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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