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$619+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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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Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in September or October, booked 24 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 23, 2025.

This Expedia deal was found by Cheapflights users on 12/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/39:40 pmSYD - SAN
2 stops28h 43mHawaiian Airlines
Sun 2/86:45 pmSAN - SYD
2 stops30h 00mHawaiian Airlines
Deal found 12/21$916
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/39:40 pmSYD - SAN
2 stops18h 49mMultiple Airlines
Sun 2/85:00 pmSAN - SYD
1 stop31h 45mMultiple Airlines
Deal found 12/21$969
This Air Canada deal was found by Cheapflights users on 12/21. 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 3/1210:25 amSYD - SAN
1 stop19h 38mAir Canada
Wed 3/256:05 pmSAN - SYD
1 stop20h 30mAir Canada
Deal found 12/21$1,147
This Aunt Betty deal was found by Cheapflights users on 12/21. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/59:40 pmSYD - SAN
1 stop17h 43mHawaiian Airlines
Thu 2/123:19 pmSAN - SYD
1 stop33h 26mHawaiian Airlines
Deal found 12/21$992
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/59:40 pmSYD - SAN
2 stops19h 33mMultiple Airlines
Thu 2/123:19 pmSAN - SYD
1 stop33h 26mMultiple Airlines
Deal found 12/22$1,011
This Air Canada deal was found by Cheapflights users on 12/21. 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 3/1210:25 amSYD - SAN
1 stop24h 59mAir Canada
Thu 3/266:05 pmSAN - SYD
1 stop20h 30mAir Canada
Deal found 12/21$1,159
This Aunt Betty deal was found by Cheapflights users on 12/21. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:40 pmSYD - SAN
1 stop27h 35mHawaiian Airlines
Thu 3/266:15 pmSAN - SYD
1 stop31h 30mHawaiian Airlines
Deal found 12/21$1,105
This Air Canada deal was found by Cheapflights users on 12/20. 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 5/149:20 amSYD - SAN
1 stop19h 30mAir Canada
Mon 5/184:45 pmSAN - SYD
1 stop21h 35mAir Canada
Deal found 12/20$1,159

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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$904
(Alaska Airlines)

One-way from

$619
(Jetabroad)

Popular in

January

Cheapest in

September

Average price

$1,415
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 ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 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 23, 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

Tue 2/3

9:40 pm-7:23 am

2 stops28h 43m

San Diego

Sun 2/8

6:45 pm-7:45 pm

2 stops30h 00m

$916

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 2/3

9:40 pm-9:29 pm

2 stops18h 49m

San Diego

Sun 2/8

5:00 pm-7:45 pm

1 stop31h 45m

$969

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 2/5

9:40 pm-8:23 pm

1 stop17h 43m

San Diego

Thu 2/12

3:19 pm-7:45 pm

1 stop33h 26m

$992

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 2/5

9:40 pm-10:13 pm

2 stops19h 33m

San Diego

Thu 2/12

3:19 pm-7:45 pm

1 stop33h 26m

$1,011

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 3/13

9:40 pm-7:15 am

1 stop27h 35m

San Diego

Thu 3/26

6:15 pm-7:45 pm

1 stop31h 30m

$1,105

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 3/12

10:25 am-12:03 pm

1 stop19h 38m

San Diego

Wed 3/25

6:05 pm-8:35 am

1 stop20h 30m

$1,147

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 3/12

10:25 am-5:24 pm

1 stop24h 59m

San Diego

Thu 3/26

6:05 pm-8:35 am

1 stop20h 30m

$1,159

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 5/14

9:20 am-11:50 am

1 stop19h 30m

San Diego

Mon 5/18

4:45 pm-7:20 am

1 stop21h 35m

$1,159

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 1/21

1:55 pm-8:49 pm

2 stops25h 54m

$619

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 1/21

3:55 pm-8:23 pm

3 stops47h 28m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 15 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 December 19, 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 24 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 23, 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
8,014 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
9,103 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
10,551 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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?

    Hawaiian Airlines can get you from Sydney to San Diego in just under 28h 43m. Your travel time can differ by up to . The distance between Sydney and San Diego is about 7510 mi.

  • 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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 23, 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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