Cheap flights from San Diego to Sydney from $805
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from San Diego to Sydney
Cheapest flights from San Diego to SydneyExplore 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 October 2026.
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 October 2026.
Best flights from San Diego to SydneyDiscover 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 October 2026.
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 October 2026.
Last-minute flights from San Diego to SydneyDiscover last-minute flight deals from San Diego to Sydney. Data last updated 7 October 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Sydney. Data last updated 7 October 2026 and is based on user searches.
One-way flights from San Diego to SydneySearch for one-way flight options from San Diego to Sydney. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
Search for one-way flight options from San Diego to Sydney. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
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 7 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Diego to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sun 15/11
12:37-09:20
1 stop25h 43m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sun 6/12
16:45-20:15
2 stops32h 30m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sat 27/2
17:35-09:50
2 stops45h 15m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sat 27/2
10:00-08:30
1 stop27h 30m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sat 26/12
17:56-19:45
1 stop30h 49m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Thu 24/12
11:16-19:45
1 stop37h 29m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Tue 15/12
11:08-19:45
1 stop37h 37m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sun 27/12
06:43-06:50
1 stop29h 07m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Wed 16/12
11:08-19:45
1 stop37h 37m
Sydney Kingsford Smith
Wed 31/12
00:00-06:00
Nonstop0h 00m
San DiegoSydney
SAN San Diego - SYD Sydney Kingsford Smith
SANSYD
San Diego
Sun 1/11
16:45-09:20
2 stops21h 35m
Sydney Kingsford Smith
Tue 17/11
11:20-14:55
2 stops22h 35m
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.
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?
Booking 38 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, April is the cheapest month in which you can book a flight from San Diego to Sydney (average of $1,559). Flying from San Diego to Sydney in January is currently the most expensive (average of $2,303). 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?
Airfare is below average for this route at the moment.
San Diego to Sydney flights typically cost between $1,435 and $2,160 in October.The cheapest return price found within the last 5 days was $1,421 on ANA (19 Oct–4 Nov).
What’s the top stopover airport for flights from San Diego to Sydney?
San Francisco (SFO) – chosen by Cheapflights users on 57% of one-stop itineraries from San Diego to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from San Diego to Sydney?
San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $2,320.
What’s the fastest stopover option from San Diego to Sydney?
Flights via Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 17h 28m.
Which airport typically offers the quickest stopover for flights from San Diego to Sydney?
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 43m.
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.
Travelling to a place near Sydney?
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Alternative routes for San Diego to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to New South Wales
Book a non-stop flight to one of these other cities located in New South Wales.
Search flights from San Diego to Sydney by cabin class
Find flights from San Diego to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Sydney flights
Browse other San Diego and Sydney flight options. Last updated on 7 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.
Fly with Cheapflights
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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.