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Cheap flights from Sydney to San Diego from $537

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
7 Jul — 14 Jul1
1 adult

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 Monday 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 2 July 2025.

Round-trip from

$1,107

One-way from

$598

Popular in

December

Cheapest in

May

Average price

$1,706
29/8-25/9
  • 29/8-25/9
  • 2 total stops
  • 45h 00m total
  • Sydney to San Diego
15/8
  • 15/8
  • 1 total stop
  • 17h 10m total
  • Sydney to San Diego
Highest demand for flights based on searches. 15% potential increase in price ($489 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($84 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 2 July 2025.

Wed 13/816:20SYD - SAN
2 stops20h 56mMultiple Airlines
Thu 21/817:50SAN - SYD
1 stop27h 50mMultiple Airlines
Deal found 2/7$1,035
Tue 28/1010:20SYD - SAN
1 stop25h 04mAir Canada
Fri 31/1012:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 2/7$1,299
Thu 14/821:40SYD - SAN
1 stop16h 39mHawaiian Airlines
Thu 21/812:30SAN - SYD
1 stop38h 15mHawaiian Airlines
Deal found 30/6$1,381
Fri 8/811:50SYD - SAN
2 stops25h 01mAir New Zealand
Fri 22/819:21SAN - SYD
2 stops20h 24mAir New Zealand
Deal found 1/7$1,385
Sun 10/821:40SYD - SAN
1 stop26h 20mAlaska Airlines
Wed 27/817:50SAN - SYD
1 stop32h 55mAlaska Airlines
Deal found 29/6$1,429

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 2 July 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 13/8

16:20-20:16

2 stops20h 56m

San Diego

Thu 21/8

17:50-14:40

1 stop27h 50m

$1,035

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 28/10

10:20-17:24

1 stop25h 04m

San Diego

Fri 31/10

12:45-08:35

1 stop25h 50m

$1,299

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 14/8

21:40-21:19

1 stop16h 39m

San Diego

Thu 21/8

12:30-19:45

1 stop38h 15m

$1,381

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/8

11:50-19:51

2 stops25h 01m

San Diego

Fri 22/8

19:21-08:45

2 stops20h 24m

$1,385

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 10/8

21:40-07:00

1 stop26h 20m

San Diego

Wed 27/8

17:50-19:45

1 stop32h 55m

$1,429

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 6/8

10:20-15:08

2 stops21h 48m

San Diego

Wed 20/8

14:21-06:55

2 stops23h 34m

$1,654

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 8/8

09:25-22:54

1 stop30h 29m

San Diego

Fri 22/8

10:00-06:35

1 stop27h 35m

$1,659

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 15/10

17:20-20:36

1 stop21h 16m

$537

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 24/7

09:20-11:57

1 stop19h 37m

$847

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 28/10

10:20-20:28

3 stops28h 08m

$1,372

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 12 results
1
2

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 return 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 return flight from Sydney to San Diego. Price data was last updated on 27 June 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, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,572). 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 2 July 2025.

It’s typically best to fly out from Sydney to San Diego in the evening. Doing so could potentially save you 36% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from Sydney to San Diego?

Use this chart to determine the cheapest time to fly return from Sydney to San Diego. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to San Diego flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 2 July 2025.
Read reviews from past customers who have flown with Alaska Airlines, Delta, andAir New Zealand from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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 $1,320, 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. Users have found that Air Canada is 26% cheaper than the other options available to this destination.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,572). 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

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 5 airlines flying from Sydney to San Diego

Discover the top 5 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 647,157 searches. Data last updated 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$723Average$1,637FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air New ZealandCheapest$1,186Average$1,353FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,199Average$1,587FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,368Average$1,733FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,637Average$2,345FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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