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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
6 Jan — 13 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 7 December 2025.
Tue 30/1206:15SAN - SYD
2 stops29h 05mUnited Airlines
Sun 11/111:20SYD - SAN
2 stops25h 08mUnited Airlines
Deal found 6/12$2,206
Tue 23/1219:55SAN - SYD
1 stop39h 25mUnited Airlines
Sat 27/1212:10SYD - SAN
1 stop18h 05mUnited Airlines
Deal found 7/12$2,277
Sat 27/1206:15SAN - SYD
1 stop32h 00mUnited Airlines
Wed 31/1212:10SYD - SAN
1 stop17h 33mUnited Airlines
Deal found 5/12$2,302
Fri 12/1212:45SAN - SYD
2 stops31h 30mMultiple Airlines
Sat 24/106:20SYD - SAN
2 stops24h 43mMultiple Airlines
Deal found 5/12$2,361
Wed 10/1212:43SAN - SYD
2 stops23h 42mMultiple Airlines
Fri 12/1221:40SYD - SAN
1 stop17h 30mMultiple Airlines
Deal found 7/12$2,372
Wed 10/1211:02SAN - SYD
2 stops24h 18mUnited Airlines
Fri 12/1213:00SYD - SAN
2 stops40h 40mUnited Airlines
Deal found 6/12$2,402
Fri 12/1220:40SAN - SYD
1 stop17h 25mUnited Airlines
Sat 24/114:00SYD - SAN
2 stops24h 54mUnited Airlines
Deal found 5/12$2,493
Wed 24/1216:00SAN - SYD
1 stop22h 15mUnited Airlines
Wed 31/1211:20SYD - SAN
1 stop18h 10mUnited Airlines
Deal found 5/12$2,548
Wed 24/1216:00SAN - SYD
1 stop19h 20mUnited Airlines
Tue 6/112:10SYD - SAN
1 stop21h 42mUnited Airlines
Deal found 7/12$2,549
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 December 2025.
Tue 24/212:45SAN - SYD
1 stop25h 50mAir Canada
Sun 8/308:00SYD - SAN
2 stops22h 03mAir Canada
Deal found 7/12$1,393
Tue 24/218:05SAN - SYD
2 stops25h 20mMultiple Airlines
Sun 8/308:00SYD - SAN
2 stops22h 03mMultiple Airlines
Deal found 7/12$1,436
Sun 1/315:15SAN - SYD
1 stop20h 35mDelta
Wed 18/309:40SYD - SAN
1 stop17h 37mDelta
Deal found 6/12$1,675
Tue 27/118:05SAN - SYD
2 stops31h 40mMultiple Airlines
Wed 11/211:20SYD - SAN
1 stop19h 43mMultiple Airlines
Deal found 7/12$1,488
Thu 30/418:10SAN - SYD
1 stop20h 10mAir Canada
Thu 14/506:30SYD - SAN
2 stops22h 32mAir Canada
Deal found 7/12$1,521
Wed 29/410:00SAN - SYD
1 stop27h 35mDelta
Mon 11/509:25SYD - SAN
1 stop16h 52mDelta
Deal found 7/12$1,675
Sat 7/218:05SAN - SYD
2 stops27h 35mAir Canada
Wed 11/211:20SYD - SAN
1 stop19h 43mAir Canada
Deal found 7/12$1,607
Fri 6/218:05SAN - SYD
2 stops29h 00mAir Canada
Sun 15/219:15SYD - SAN
2 stops35h 48mAir Canada
Deal found 7/12$1,664
Sun 1/318:05SAN - SYD
1 stop20h 30mAir Canada
Thu 12/310:25SYD - SAN
1 stop19h 38mAir Canada
Deal found 6/12$1,690
Last-minute flights from San Diego to Sydney
Discover last-minute flight deals from San Diego to Sydney. Data last updated 7 December 2025 and is based on user searches.
Mon 5/117:00SAN - SYD
1 stop31h 45mAlaska Airlines
Mon 12/121:40SYD - SAN
1 stop37h 00mAlaska Airlines
Deal found 7/12$1,910
Wed 7/117:00SAN - SYD
1 stop31h 45mAlaska Airlines
Thu 22/121:40SYD - SAN
1 stop17h 43mAlaska Airlines
Deal found 6/12$1,885
Thu 8/120:59SAN - SYD
2 stops27h 46mAlaska Airlines
Thu 22/121:40SYD - SAN
1 stop28h 16mAlaska Airlines
Deal found 6/12$1,940
Tue 27/118:05SAN - SYD
2 stops31h 40mMultiple Airlines
Wed 11/211:20SYD - SAN
1 stop19h 43mMultiple Airlines
Deal found 7/12$1,488
Tue 27/118:05SAN - SYD
1 stop20h 30mAir Canada
Wed 11/211:20SYD - SAN
1 stop25h 04mAir Canada
Deal found 7/12$1,627
Wed 28/112:45SAN - SYD
2 stops29h 55mAir Canada
Tue 3/211:20SYD - SAN
1 stop25h 04mAir Canada
Deal found 5/12$1,846
Wed 28/112:32SAN - SYD
1 stop23h 23mAmerican Airlines
Tue 3/214:05SYD - SAN
1 stop25h 36mAmerican Airlines
Deal found 5/12$1,861
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 December 2025.
Thu 19/312:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 6/12$841
Thu 19/318:05SAN - SYD
2 stops24h 10mMultiple Airlines
Deal found 7/12$885
Sun 11/118:05SAN - SYD
2 stops25h 35mAir Canada
Deal found 6/12$894
Wed 4/312:45SAN - SYD
2 stops38h 40mMultiple Airlines
Deal found 7/12$903
Wed 4/311:57SAN - SYD
1 stop26h 18mUnited Airlines
Deal found 7/12$969
Sun 11/114:50SAN - SYD
3 stops57h 55mMultiple Airlines
Deal found 6/12$1,129
Sun 11/117:00SAN - SYD
1 stop31h 45mAlaska Airlines
Deal found 6/12$1,229
Sun 11/117:00SAN - SYD
1 stop31h 45mHawaiian Airlines
Deal found 6/12$1,261
Wed 31/1220:33SAN - SYD
2 stops39h 52mMultiple Airlines
Deal found 7/12$1,330
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 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 7 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
Tue 24/2
12:45-09:35
1 stop25h 50m
Sydney Kingsford Smith
Sun 8/3
08:00-11:03
2 stops22h 03m
$1,393
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Tue 24/2
18:05-14:25
2 stops25h 20m
Sydney Kingsford Smith
Sun 8/3
08:00-11:03
2 stops22h 03m
$1,436
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Tue 27/1
18:05-20:45
2 stops31h 40m
Sydney Kingsford Smith
Wed 11/2
11:20-12:03
1 stop19h 43m
$1,488
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Thu 30/4
18:10-07:20
1 stop20h 10m
Sydney Kingsford Smith
Thu 14/5
06:30-12:02
2 stops22h 32m
$1,521
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sat 7/2
18:05-16:40
2 stops27h 35m
Sydney Kingsford Smith
Wed 11/2
11:20-12:03
1 stop19h 43m
$1,607
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Fri 6/2
18:05-18:05
2 stops29h 00m
Sydney Kingsford Smith
Sun 15/2
19:15-12:03
2 stops35h 48m
$1,664
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sun 1/3
15:15-06:50
1 stop20h 35m
Sydney Kingsford Smith
Wed 18/3
09:40-09:17
1 stop17h 37m
$1,675
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Wed 29/4
10:00-06:35
1 stop27h 35m
Sydney Kingsford Smith
Mon 11/5
09:25-09:17
1 stop16h 52m
$1,675
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Sun 1/3
18:05-09:35
1 stop20h 30m
Sydney Kingsford Smith
Thu 12/3
10:25-12:03
1 stop19h 38m
$1,690
San DiegoSydney
SAN - SYD
SANSYD
San Diego
Thu 19/3
12:45-08:35
1 stop25h 50m
$841
Flights are sorted by cheapest return flights first.
Deals found on 6/12
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 5 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 $798). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,589). 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.
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 December 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 25h 50m. Air Canada provides one of the quickest options available for as low as $1,393. San Diego and Sydney are separated by a distance of 12086 km.
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 $1,096. 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 $798). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,589). 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 December 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 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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