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$614+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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

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3. Compare prices and book

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

Cheap flight deals from Sydney to San Diego

Best flights from Sydney to San Diego
Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This Jetabroad deal was found by Cheapflights users on 12/2. 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.
Fri 3/138:00 amSYD - SAN
2 stops27h 24mAir Canada
Fri 3/2012:45 pmSAN - SYD
2 stops29h 55mAir Canada
Deal found 12/2$832
This BestPriceTravel deal was found by Cheapflights users on 12/3. 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.
Fri 3/611:45 amSYD - SAN
2 stops27h 03mAir New Zealand
Thu 3/1911:03 amSAN - SYD
2 stops27h 42mAir New Zealand
Deal found 12/3$1,001
This United Airlines deal was found by Cheapflights users on 12/2. 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 1/1712:10 pmSYD - SAN
1 stop25h 34mUnited Airlines
Sat 1/248:37 pmSAN - SYD
1 stop17h 28mUnited Airlines
Deal found 12/2$1,087
This Jetabroad deal was found by Cheapflights users on 12/3. 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.
Sun 3/151:55 pmSYD - SAN
2 stops23h 53mAir New Zealand
Fri 3/2011:03 amSAN - SYD
2 stops27h 42mAir New Zealand
Deal found 12/3$1,044
This Gotogate deal was found by Cheapflights users on 12/2. 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 1/1511:20 amSYD - SAN
1 stop19h 43mAir Canada
Mon 1/266:05 pmSAN - SYD
2 stops25h 35mAir Canada
Deal found 12/2$1,057
This BestPriceTravel deal was found by Cheapflights users on 12/4. 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.
Sun 1/1811:45 amSYD - SAN
2 stops27h 09mAir New Zealand
Sun 1/2511:08 amSAN - SYD
2 stops26h 37mAir New Zealand
Deal found 12/4$1,047
This BestPriceTravel deal was found by Cheapflights users on 12/3. 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.
Fri 3/611:20 amSYD - SAN
1 stop19h 43mAir Canada
Thu 3/196:05 pmSAN - SYD
1 stop20h 30mAir Canada
Deal found 12/3$1,086
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Sat 1/177:15 pmSYD - SAN
2 stops35h 48mAir Canada
Sat 1/2412:45 pmSAN - SYD
2 stops29h 55mAir Canada
Deal found 12/2$1,095

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$832
(Jetabroad)

One-way from

$614
(Jetabroad)

Popular in

January

Cheapest in

September

Average price

$1,422
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. 16% potential increase in price ($220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 4, 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

Fri 3/13

8:00 am-5:24 pm

2 stops27h 24m

San Diego

Fri 3/20

12:45 pm-12:40 pm

2 stops29h 55m

$832

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 3/6

11:45 am-7:48 pm

2 stops27h 03m

San Diego

Thu 3/19

11:03 am-8:45 am

2 stops27h 42m

$1,001

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 3/15

1:55 pm-7:48 pm

2 stops23h 53m

San Diego

Fri 3/20

11:03 am-8:45 am

2 stops27h 42m

$1,044

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 1/18

11:45 am-7:54 pm

2 stops27h 09m

San Diego

Sun 1/25

11:08 am-8:45 am

2 stops26h 37m

$1,047

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 1/15

11:20 am-12:03 pm

1 stop19h 43m

San Diego

Mon 1/26

6:05 pm-2:40 pm

2 stops25h 35m

$1,057

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 3/6

11:20 am-12:03 pm

1 stop19h 43m

San Diego

Thu 3/19

6:05 pm-8:35 am

1 stop20h 30m

$1,086

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 1/17

12:10 pm-6:44 pm

1 stop25h 34m

San Diego

Sat 1/24

8:37 pm-9:05 am

1 stop17h 28m

$1,087

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 1/17

7:15 pm-12:03 pm

2 stops35h 48m

San Diego

Sat 1/24

12:45 pm-1:40 pm

2 stops29h 55m

$1,095

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 1/25

11:45 am-7:54 pm

2 stops27h 09m

$614

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 1/25

9:30 pm-9:47 am

3 stops55h 17m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 16 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 28, 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, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $609). 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.

How much does it cost to fly round-trip from Sydney to San Diego?

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 December 4, 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
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
10,500 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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?

    Air Canada and Air New Zealand can get you from Sydney to San Diego in just under 27h 03m. Your travel time can differ by up to 21m. 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 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sydney to San Diego one-way?

    $496 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Hawaiian Airlines, with prices starting from $499 and $515, respectively.

  • 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, May is the cheapest month in which you can book a flight from Sydney to San Diego (average of $609). 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
Julian
National City

Browse thousands of different options on Cheapflights for your next trip

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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 December 4, 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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