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Cheap flights from Sydney to San Diego from $1,250

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
25 Mar — 1 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in August or February, booked 20 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 20 March 2025.

Round-trip from

$1,342

One-way from

$1,250

Popular in

December

Cheapest in

August

Average price

$1,757
Air Canada
  • Air Canada
  • 17/6-27/6
  • 2 total stops
  • 55h 04m total
  • Sydney to San Diego
18/4
  • 18/4
  • 3 total stops
  • 49h 22m total
  • Sydney to San Diego
Highest demand for flights based on searches. 15% potential increase in price ($553 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Average for round-trip flights in March 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 20 March 2025.

Tue 17/609:20SYD - SAN
1 stop29h 29mAir Canada
Fri 27/612:45SAN - SYD
1 stop25h 35mAir Canada
Deal found 20/3$1,342
Mon 2/606:00SYD - SAN
2 stops23h 00mMultiple Airlines
Sun 15/616:55SAN - SYD
1 stop21h 25mMultiple Airlines
Deal found 19/3$1,365
Tue 29/417:45SYD - SAN
2 stops35h 16mAmerican Airlines
Wed 7/511:21SAN - SYD
1 stop26h 34mAmerican Airlines
Deal found 20/3$1,451
Tue 29/410:20SYD - SAN
1 stop25h 09mUnited Airlines
Wed 7/519:40SAN - SYD
1 stop18h 15mUnited Airlines
Deal found 20/3$1,478
Tue 29/421:40SYD - SAN
1 stop26h 50mHawaiian Airlines
Wed 7/508:35SAN - SYD
1 stop18h 10mHawaiian Airlines
Deal found 19/3$2,007
Mon 14/409:25SYD - SAN
1 stop17h 57mDelta
Wed 30/406:15SAN - SYD
1 stop31h 20mDelta
Deal found 19/3$2,220
Thu 20/322:20SYD - SAN
2 stops65h 18mCathay Pacific
Sun 30/318:55SAN - SYD
2 stops46h 55mCathay Pacific
Deal found 20/3$10,001

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 20 March 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 17/6

09:20-21:49

1 stop29h 29m

San Diego

Fri 27/6

12:45-07:20

1 stop25h 35m

$1,342

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 2/6

06:00-12:00

2 stops23h 00m

San Diego

Sun 15/6

16:55-07:20

1 stop21h 25m

$1,365

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 29/4

17:45-12:01

2 stops35h 16m

San Diego

Wed 7/5

11:21-06:55

1 stop26h 34m

$1,451

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 29/4

10:20-18:29

1 stop25h 09m

San Diego

Wed 7/5

19:40-06:55

1 stop18h 15m

$1,478

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 29/4

21:40-07:30

1 stop26h 50m

San Diego

Wed 7/5

08:35-19:45

1 stop18h 10m

$2,007

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 14/4

09:25-10:22

1 stop17h 57m

San Diego

Wed 30/4

06:15-06:35

1 stop31h 20m

$2,220

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 18/4

16:20-00:42

3 stops49h 22m

$1,250

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 18/4

09:30-17:15

2 stops48h 45m

$1,535

Flights are sorted by cheapest return flights first.

Deals found on 19/3

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 14 March 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 20 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 $1,627). 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 20 March 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 20 March 2025.

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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
8.0
Very Good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Entertainment

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

    Air Canada, at $1,342, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Air Canada is 29% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,535. Delta flights start at $2,879 while deals on Hawaiian Airlines start at $5,025 one-way.

  • 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 $1,627). 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 6 airlines flying from Sydney to San Diego

Discover the top 6 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 20 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,307Average$1,519FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,315Average$1,824FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,460Average$1,833FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hawaiian AirlinesCheapest$1,462Average$1,745FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
United AirlinesCheapest$1,536Average$1,880FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,689Average$2,415FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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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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