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$530+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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”

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in September or November, booked 16 days in advance, depart on a Wednesday or Thursday and return on a Monday

Find flight deals from Sydney to San Diego

Cheapest flights from Sydney to San Diego
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 October 16, 2025.

This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:20 amSYD - SAN
2 stops22h 56mAmerican Airlines
Wed 11/197:21 amSAN - SYD
1 stop28h 34mAmerican Airlines
Deal found 10/15$957
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:10 pmSYD - SAN
2 stops24h 19mUnited Airlines
Wed 11/1912:43 pmSAN - SYD
2 stops25h 32mUnited Airlines
Deal found 10/15$967
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:05 pmSYD - SAN
1 stop27h 12mAmerican Airlines
Mon 12/812:50 pmSAN - SYD
2 stops25h 10mAmerican Airlines
Deal found 10/15$976
This Jetabroad deal was found by Cheapflights users on 10/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:55 pmSYD - SAN
2 stops24h 57mAir New Zealand
Sat 11/86:15 amSAN - SYD
2 stops33h 15mAir New Zealand
Deal found 10/15$1,019
This Jetabroad deal was found by Cheapflights users on 10/14. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:55 pmSYD - SAN
2 stops28h 49mAir New Zealand
Sat 11/86:15 amSAN - SYD
2 stops31h 30mAir New Zealand
Deal found 10/14$1,022
This BestPriceTravel deal was found by Cheapflights users on 10/15. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:45 amSYD - SAN
2 stops30h 57mAir New Zealand
Mon 12/811:02 amSAN - SYD
2 stops26h 43mAir New Zealand
Deal found 10/15$1,026
This Air Canada deal was found by Cheapflights users on 10/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:45 amSYD - SAN
2 stops23h 18mMultiple Airlines
Mon 12/86:10 pmSAN - SYD
2 stops28h 55mMultiple Airlines
Deal found 10/15$1,084
This Priceline deal was found by Cheapflights users on 10/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:15 pmSYD - SAN
2 stops35h 48mAir Canada
Tue 12/96:10 pmSAN - SYD
1 stop20h 25mAir Canada
Deal found 10/15$1,191
This Air Canada deal was found by Cheapflights users on 10/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:20 amSYD - SAN
1 stop25h 04mAir Canada
Sat 11/86:10 pmSAN - SYD
1 stop20h 25mAir Canada
Deal found 10/14$1,205
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:20 amSYD - SAN
1 stop31h 38mUnited Airlines
Sat 12/68:40 pmSAN - SYD
2 stops38h 40mUnited Airlines
Deal found 10/15$1,253
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:20 pmSYD - SAN
2 stops33h 43mMultiple Airlines
Sat 11/86:10 pmSAN - SYD
1 stop20h 25mMultiple Airlines
Deal found 10/14$1,302

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$957
(American Airlines)

One-way from

$530
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$1,003
Provider with most accurate pricing for Sydney Kingsford Smith-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-San Diego flights.
Search Deals
From Sydney Kingsford Smith to San Diego
Search Deals
One-way flight from Sydney Kingsford Smith to San Diego
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 16, 2025.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Sydney

Fly to

San Diego

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/12

11:20 am-3:16 pm

2 stops22h 56m

San Diego

Wed 11/19

7:21 am-6:55 am

1 stop28h 34m

$957

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/12

12:10 pm-5:29 pm

2 stops24h 19m

San Diego

Wed 11/19

12:43 pm-9:15 am

2 stops25h 32m

$967

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 3/5

12:10 pm-10:29 am

1 stop17h 19m

San Diego

Mon 3/9

10:45 am-9:15 am

2 stops52h 30m

$970

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 12/1

2:05 pm-10:17 pm

1 stop27h 12m

San Diego

Mon 12/8

12:50 pm-9:00 am

2 stops25h 10m

$976

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/5

1:55 pm-7:52 pm

2 stops24h 57m

San Diego

Sat 11/8

6:15 am-10:30 am

2 stops33h 15m

$1,019

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 11/6

1:55 pm-11:44 pm

2 stops28h 49m

San Diego

Sat 11/8

6:15 am-8:45 am

2 stops31h 30m

$1,022

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 12/2

11:45 am-11:42 pm

2 stops30h 57m

San Diego

Mon 12/8

11:02 am-8:45 am

2 stops26h 43m

$1,026

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 12/1

7:45 am-12:03 pm

2 stops23h 18m

San Diego

Mon 12/8

6:10 pm-6:05 pm

2 stops28h 55m

$1,084

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 3/5

9:00 am-12:03 pm

2 stops22h 03m

San Diego

Mon 3/9

12:45 pm-8:35 am

1 stop25h 50m

$1,141

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 12/1

7:15 pm-12:03 pm

2 stops35h 48m

San Diego

Tue 12/9

6:10 pm-9:35 am

1 stop20h 25m

$1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 21 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 October 10, 2025.

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 15 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, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $453). Flying from Sydney to San Diego in June is currently the most expensive (average of $905). 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.

What is the cheapest time of day to fly from SYD to SAN?

Find hourly flight availability from Sydney to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

One of the essential ways to save on airfare from Sydney to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.

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 October 16, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Air Canada 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
10,307 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.

  • How long is the flight from Sydney to San Diego?

    American Airlines, United Airlines, and Air New Zealand can get you from Sydney to San Diego in just under 22h 56m. Your travel time can differ by up to 2h 01m. The distance between Sydney and San Diego is about 7510 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Air Canada, at $795, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Delta and United Airlines. Air Canada is currently priced 28% below the average price you’ll pay for this route.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego 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 Sydney to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $453). Flying from Sydney to San Diego in June is currently the most expensive (average of $905). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Sydney to San Diego

Discover the top 3 airlines that operate flights from Sydney to San Diego. 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 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$946FlexibilityNo cancel feeOn-time67%
DeltaCheapest$834Average$1,081FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$834Average$1,080FlexibilityNo cancel feeOn-time69%

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