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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
7 Dec — 14 Dec1
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
Find 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 7 November 2025.
Sun 16/1118:10SAN - SYD
1 stop20h 25mAir Canada
Sun 14/1211:20SYD - SAN
1 stop25h 04mAir Canada
Deal found 5/11$1,383
Tue 11/1112:50SAN - SYD
2 stops25h 10mAmerican Airlines
Thu 11/1211:20SYD - SAN
2 stops23h 01mAmerican Airlines
Deal found 5/11$1,540
Tue 2/1218:10SAN - SYD
1 stop20h 25mAir Canada
Sat 20/1211:20SYD - SAN
1 stop19h 43mAir Canada
Deal found 5/11$1,557
Tue 11/1119:59SAN - SYD
1 stop17h 31mDelta
Fri 14/1110:40SYD - SAN
1 stop17h 35mDelta
Deal found 5/11$1,574
Thu 6/1106:15SAN - SYD
2 stops31h 15mDelta
Tue 11/1110:40SYD - SAN
1 stop23h 47mDelta
Deal found 5/11$1,580
Tue 2/1212:50SAN - SYD
2 stops25h 10mAmerican Airlines
Sat 20/1217:45SYD - SAN
2 stops22h 55mAmerican Airlines
Deal found 5/11$1,657
Wed 19/1109:59SAN - SYD
1 stop27h 31mDelta
Sat 29/1110:40SYD - SAN
1 stop17h 35mDelta
Deal found 4/11$1,759
Sat 29/1106:15SAN - SYD
2 stops33h 15mAir New Zealand
Sat 6/1219:15SYD - SAN
2 stops43h 37mAir New Zealand
Deal found 5/11$1,779
Tue 2/1219:28SAN - SYD
2 stops29h 17mAlaska Airlines
Sat 20/1221:40SYD - SAN
2 stops28h 40mAlaska Airlines
Deal found 7/11$1,784
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 7 November 2025.
Thu 12/310:00SAN - SYD
1 stop27h 30mDelta
Mon 16/309:40SYD - SAN
1 stop17h 39mDelta
Deal found 4/11$1,574
Fri 20/318:05SAN - SYD
2 stops24h 35mAir Canada
Tue 31/308:00SYD - SAN
2 stops22h 04mAir Canada
Deal found 5/11$1,617
Sat 29/1106:15SAN - SYD
2 stops33h 15mAir New Zealand
Sat 6/1219:15SYD - SAN
2 stops43h 37mAir New Zealand
Deal found 5/11$1,779
Tue 2/1219:28SAN - SYD
2 stops29h 17mAlaska Airlines
Sun 14/1221:40SYD - SAN
1 stop17h 30mAlaska Airlines
Deal found 6/11$1,784
Wed 19/1109:59SAN - SYD
1 stop27h 31mDelta
Sat 29/1110:40SYD - SAN
1 stop17h 35mDelta
Deal found 4/11$1,759
Sat 3/117:13SAN - SYD
2 stops31h 32mAlaska Airlines
Sun 11/121:40SYD - SAN
2 stops28h 43mAlaska Airlines
Deal found 6/11$1,784
Sun 30/1117:13SAN - SYD
2 stops31h 32mAlaska Airlines
Tue 16/1221:40SYD - SAN
1 stop17h 30mAlaska Airlines
Deal found 6/11$1,784
Thu 4/1219:28SAN - SYD
2 stops29h 17mAlaska Airlines
Tue 16/1221:40SYD - SAN
1 stop17h 30mAlaska Airlines
Deal found 6/11$1,784
Sun 30/1117:13SAN - SYD
2 stops31h 32mAlaska Airlines
Fri 12/1221:40SYD - SAN
1 stop17h 30mAlaska Airlines
Deal found 6/11$1,784
Last-minute flights from San Diego to Sydney
Discover last-minute flight deals from San Diego to Sydney. Data last updated 7 November 2025 and is based on user searches.
Thu 6/1109:45SAN - SYD
2 stops27h 45mDelta
Tue 11/1110:40SYD - SAN
2 stops20h 21mDelta
Deal found 5/11$1,580
Tue 11/1112:50SAN - SYD
2 stops25h 10mAmerican Airlines
Thu 11/1211:20SYD - SAN
2 stops23h 01mAmerican Airlines
Deal found 5/11$1,540
Tue 11/1119:59SAN - SYD
1 stop17h 31mDelta
Fri 14/1110:40SYD - SAN
1 stop17h 35mDelta
Deal found 5/11$1,574
Sun 16/1118:10SAN - SYD
1 stop20h 25mAir Canada
Sun 14/1211:20SYD - SAN
1 stop25h 04mAir Canada
Deal found 5/11$1,383
Wed 19/1109:59SAN - SYD
1 stop27h 31mDelta
Sat 29/1110:40SYD - SAN
1 stop17h 35mDelta
Deal found 4/11$1,759
Sat 29/1106:15SAN - SYD
2 stops33h 15mAir New Zealand
Sat 6/1219:15SYD - SAN
2 stops43h 37mAir New Zealand
Deal found 5/11$1,779
Tue 2/1218:10SAN - SYD
1 stop20h 25mAir Canada
Sat 20/1211:20SYD - SAN
1 stop19h 43mAir Canada
Deal found 5/11$1,557
Tue 2/1212:50SAN - SYD
2 stops25h 10mAmerican Airlines
Sat 20/1217:45SYD - SAN
2 stops22h 55mAmerican Airlines
Deal found 5/11$1,657
Tue 2/1219:28SAN - SYD
2 stops29h 17mAlaska Airlines
Sat 13/1221:40SYD - SAN
2 stops28h 41mAlaska Airlines
Deal found 6/11$1,784
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 7 November 2025.
Wed 3/1220:40SAN - SYD
2 stops28h 35mANA
Deal found 5/11$813
Wed 3/1206:25SAN - SYD
3 stops42h 50mMultiple Airlines
Deal found 5/11$883
Sun 23/1106:15SAN - SYD
2 stops56h 35mMultiple Airlines
Deal found 5/11$885
Fri 5/1216:47SAN - SYD
3 stops56h 28mMultiple Airlines
Deal found 5/11$913
Tue 10/220:59SAN - SYD
3 stops44h 36mMultiple Airlines
Deal found 7/11$951
Wed 4/317:10SAN - SYD
2 stops24h 25mFiji Airways
Deal found 6/11$977
Mon 24/1106:25SAN - SYD
3 stops59h 40mMultiple Airlines
Deal found 5/11$1,000
Fri 20/321:59SAN - SYD
2 stops50h 51mMultiple Airlines
Deal found 6/11$1,005
Mon 20/412:35SAN - SYD
3 stops52h 10mMultiple Airlines
Deal found 5/11$1,036
Thu 4/1220:40SAN - SYD
2 stops28h 35mANA
Deal found 6/11$1,037
Cheap 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 7 November 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 7 November 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
Thu 12/3
10:00-07:30
1 stop27h 30m
Sydney Kingsford Smith
Mon 16/3
09:40-09:19
1 stop17h 39m
$1,574
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Fri 20/3
18:05-12:40
2 stops24h 35m
Sydney Kingsford Smith
Tue 31/3
08:00-12:04
2 stops22h 04m
$1,617
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Wed 19/11
09:59-08:30
1 stop27h 31m
Sydney Kingsford Smith
Sat 29/11
10:40-09:15
1 stop17h 35m
$1,759
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 29/11
06:15-10:30
2 stops33h 15m
Sydney Kingsford Smith
Sat 6/12
19:15-19:52
2 stops43h 37m
$1,779
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Tue 2/12
19:28-19:45
2 stops29h 17m
Sydney Kingsford Smith
Sun 14/12
21:40-20:10
1 stop17h 30m
$1,784
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 3/1
17:13-19:45
2 stops31h 32m
Sydney Kingsford Smith
Sun 11/1
21:40-07:23
2 stops28h 43m
$1,784
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sun 30/11
17:13-19:45
2 stops31h 32m
Sydney Kingsford Smith
Tue 16/12
21:40-20:10
1 stop17h 30m
$1,784
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Thu 4/12
19:28-19:45
2 stops29h 17m
Sydney Kingsford Smith
Tue 16/12
21:40-20:10
1 stop17h 30m
$1,784
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sun 30/11
17:13-19:45
2 stops31h 32m
Sydney Kingsford Smith
Fri 12/12
21:40-20:10
1 stop17h 30m
$1,784
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Wed 3/12
20:40-20:15
2 stops28h 35m
$813
Flights are sorted by cheapest return flights first.
Deals found on 5/11
Showing 1-10 of 17 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 31 October 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 $816). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,625). 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 for a return flight from San Diego to Sydney?
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 7 November 2025.
Get a feel of what it's like to fly with United Airlines from San Diego to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
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 20h 25m. Air Canada provides one of the quickest options available for as low as $1,557. San Diego and Sydney are separated by a distance of 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from San Diego to Sydney round-trip?
Cheapflights users have booked flights from San Diego to Sydney round-trip from $1,121. You may be able to fly from San Diego to Sydney for 33% less than the average price by searching for this airline.
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 $816). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,625). 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 7 November 2025.
Discover the top airline that operate flights from San Diego to Sydney. 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 647,157 searches. Data last updated 7 November 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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