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$353+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in May or March, booked 32 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 July 1, 2025.

Round-trip from

$728
(Kiwi.com)

One-way from

$353
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$1,122
From Sydney Kingsford Smith to San Diego
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One-way flight from Sydney Kingsford Smith to San Diego
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Highest demand for flights based on searches. 15% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/294:20 pmSYD - SAN
1 stop17h 10mMultiple Airlines
Thu 9/255:50 pmSAN - SYD
1 stop27h 50mMultiple Airlines
Deal found 7/1$728
This BYOjet deal was found by Cheapflights users on 6/29. 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.
Sun 8/109:20 amSYD - SAN
1 stop19h 37mAir Canada
Wed 8/2712:40 pmSAN - SYD
2 stops40h 00mAir Canada
Deal found 6/29$868
This Jetabroad deal was found by Cheapflights users on 6/30. 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 8/149:40 pmSYD - SAN
1 stop16h 39mHawaiian Airlines
Thu 8/2112:30 pmSAN - SYD
1 stop38h 15mHawaiian Airlines
Deal found 6/30$908
This BYOjet deal was found by Cheapflights users on 7/1. 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.
Fri 8/811:50 amSYD - SAN
2 stops25h 01mAir New Zealand
Fri 8/227:21 pmSAN - SYD
2 stops20h 24mAir New Zealand
Deal found 7/1$911
This Aunt Betty deal was found by Cheapflights users on 6/29. 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.
Sun 8/109:40 pmSYD - SAN
1 stop26h 20mAlaska Airlines
Wed 8/275:50 pmSAN - SYD
1 stop32h 55mAlaska Airlines
Deal found 6/29$940
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/610:20 amSYD - SAN
2 stops21h 48mUnited Airlines
Wed 8/202:21 pmSAN - SYD
2 stops23h 34mUnited Airlines
Deal found 6/29$1,088
This Delta deal was found by Cheapflights users on 7/1. 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.
Fri 8/89:25 amSYD - SAN
1 stop30h 29mDelta
Fri 8/2210:00 amSAN - SYD
1 stop27h 35mDelta
Deal found 7/1$1,091

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 July 1, 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 8/29

4:20 pm-4:30 pm

1 stop17h 10m

San Diego

Thu 9/25

5:50 pm-2:40 pm

1 stop27h 50m

$728

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/10

9:20 am-11:57 am

1 stop19h 37m

San Diego

Wed 8/27

12:40 pm-9:40 pm

2 stops40h 00m

$868

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 8/14

9:40 pm-9:19 pm

1 stop16h 39m

San Diego

Thu 8/21

12:30 pm-7:45 pm

1 stop38h 15m

$908

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/8

11:50 am-7:51 pm

2 stops25h 01m

San Diego

Fri 8/22

7:21 pm-8:45 am

2 stops20h 24m

$911

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/10

9:40 pm-7:00 am

1 stop26h 20m

San Diego

Wed 8/27

5:50 pm-7:45 pm

1 stop32h 55m

$940

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 8/6

10:20 am-3:08 pm

2 stops21h 48m

San Diego

Wed 8/20

2:21 pm-6:55 am

2 stops23h 34m

$1,088

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/8

9:25 am-10:54 pm

1 stop30h 29m

San Diego

Fri 8/22

10:00 am-6:35 am

1 stop27h 35m

$1,091

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 10/15

5:20 pm-8:36 pm

1 stop21h 16m

$353

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 7/24

9:20 am-11:57 am

1 stop19h 37m

$557

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 10/28

10:20 am-8:28 pm

3 stops28h 08m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 results
1
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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 June 27, 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 32 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, August is the cheapest month in which you can book a flight from Sydney to San Diego (average of $286). Flying from Sydney to San Diego in March is currently the most expensive (average of $366). 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 July 1, 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 in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.

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 July 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Air New Zealand 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air New Zealand
8.0
Very good
486 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,539 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Air Canada, at $868, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Hawaiian Airlines and Air New Zealand. 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?

    $557 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $902 and $993, 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, August is the cheapest month in which you can book a flight from Sydney to San Diego (average of $286). Flying from Sydney to San Diego in March is currently the most expensive (average of $366). 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 Sydney?

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

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Top 4 airlines flying from Sydney to San Diego

Discover the top 4 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$1,115FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$896Average$1,044FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,052Average$1,197FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,078Average$1,081FlexibilityNo cancel feeOn-timeN/A

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