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San Diego

$680+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap 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 January 24, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/24. 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 3/109:40 pm
SYD
-
SAN
2 stops27h 37m
Multiple Airlines
Tue 3/177:22 pm
SAN
-
SYD
2 stops30h 23m
Multiple Airlines
Deal found 1/24$880
This BYOjet deal was found by Cheapflights users on 1/23. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:45 am
SYD
-
SAN
2 stops26h 03m
Air New Zealand
Tue 3/2411:03 am
SAN
-
SYD
2 stops27h 42m
Air New Zealand
Deal found 1/23$914
This Alaska Airlines deal was found by Cheapflights users on 1/23. 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.
Thu 2/59:40 pm
SYD
-
SAN
2 stops28h 43m
Multiple Airlines
Wed 2/257:22 pm
SAN
-
SYD
2 stops29h 23m
Multiple Airlines
Deal found 1/23$949
This BYOjet deal was found by Cheapflights users on 1/23. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:55 am
SYD
-
SAN
2 stops25h 44m
Air New Zealand
Sat 4/255:00 pm
SAN
-
SYD
2 stops24h 40m
Air New Zealand
Deal found 1/23$1,009
This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:40 am
SYD
-
SAN
1 stop31h 07m
Delta
Wed 2/253:20 pm
SAN
-
SYD
1 stop22h 10m
Delta
Deal found 1/23$1,042
This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/72:15 pm
SYD
-
SAN
2 stops21h 21m
Delta
Tue 2/109:55 am
SAN
-
SYD
2 stops27h 35m
Delta
Deal found 1/23$1,070
This Air Canada deal was found by Cheapflights users on 1/23. 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 3/911:20 am
SYD
-
SAN
1 stop24h 04m
Air Canada
Tue 3/2412:45 pm
SAN
-
SYD
1 stop25h 50m
Air Canada
Deal found 1/23$1,090
This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:15 pm
SYD
-
SAN
1 stop27h 34m
Delta
Sat 2/2810:40 am
SAN
-
SYD
1 stop26h 50m
Delta
Deal found 1/24$1,105

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 January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$880
(Alaska Airlines)

One-way from

$565
(Jetabroad)

Popular in

December

Cheapest in

September

Average price

$1,205
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. 9% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 24, 2026.
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 3/10

9:40 pm-7:17 am

2 stops27h 37m

San Diego

Tue 3/17

7:22 pm-7:45 pm

2 stops30h 23m

$880

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 3/9

11:45 am-7:48 pm

2 stops26h 03m

San Diego

Tue 3/24

11:03 am-8:45 am

2 stops27h 42m

$914

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 2/5

9:40 pm-7:23 am

2 stops28h 43m

San Diego

Wed 2/25

7:22 pm-7:45 pm

2 stops29h 23m

$949

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 4/15

11:55 am-8:39 pm

2 stops25h 44m

San Diego

Sat 4/25

5:00 pm-10:40 am

2 stops24h 40m

$1,009

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 4/15

9:15 am-6:05 pm

2 stops25h 50m

San Diego

Sat 4/25

3:15 pm-6:35 am

1 stop22h 20m

$1,070

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 2/7

2:15 pm-4:36 pm

2 stops21h 21m

San Diego

Tue 2/10

9:55 am-8:30 am

2 stops27h 35m

$1,070

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 2/18

10:40 am-6:04 pm

2 stops26h 24m

$680

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 2/22

9:50 pm-8:18 am

3 stops53h 28m

$704

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 7/19

9:15 am-3:19 pm

1 stop23h 04m

$713

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 2/22

9:40 pm-7:15 am

1 stop28h 35m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 13 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 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 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 Expedia the most. Expedia 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 January 16, 2026.

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, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $744). Flying from Sydney to San Diego in April is currently the most expensive (average of $897). 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 January 24, 2026.
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
8,111 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
9,198 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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
10,655 reviews
Delta
7.9
Good
8,111 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

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 New Zealand can get you from Sydney to San Diego in just under 26h 03m. 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 26% 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, January is the cheapest month in which you can book a flight from Sydney to San Diego (average of $744). Flying from Sydney to San Diego in April is currently the most expensive (average of $897). 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 January 24, 2026.
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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