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$562+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in August or May, 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 June 12, 2025.

Round-trip from

$772
(Kiwi.com)

One-way from

$562
(BYOjet)

Popular in

December

Cheapest in

August

Average price

$1,145
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. 14% potential increase in price ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/224:20 pmSYD - SAN
1 stop17h 10mMultiple Airlines
Thu 8/285:50 pmSAN - SYD
1 stop27h 50mMultiple Airlines
Deal found 6/10$772
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 6/189:25 amSYD - SAN
2 stops31h 19mDelta
Mon 7/77:35 pmSAN - SYD
1 stop18h 00mDelta
Deal found 6/12$934
This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares 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
Sun 8/176:58 pmSAN - SYD
2 stops31h 47mAlaska Airlines
Deal found 6/10$936
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:40 pmSYD - SAN
1 stop26h 20mHawaiian Airlines
Sun 8/175:45 pmSAN - SYD
1 stop33h 00mHawaiian Airlines
Deal found 6/10$945
This Jetabroad deal was found by Cheapflights users on 6/11. 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.
Sat 7/2611:50 amSYD - SAN
2 stops28h 54mAir New Zealand
Sat 8/210:49 amSAN - SYD
2 stops28h 56mAir New Zealand
Deal found 6/11$994
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/1810:20 amSYD - SAN
1 stop16h 55mUnited Airlines
Mon 7/78:44 pmSAN - SYD
1 stop17h 16mUnited Airlines
Deal found 6/10$1,173
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/269:20 amSYD - SAN
1 stop19h 37mAir Canada
Sat 8/25:00 pmSAN - SYD
2 stops35h 40mAir Canada
Deal found 6/11$1,176
This BestPriceTravel deal was found by Cheapflights users on 6/10. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/110:20 amSYD - SAN
1 stop17h 03mVirgin Australia
Wed 7/167:27 pmSAN - SYD
1 stop18h 28mVirgin Australia
Deal found 6/10$1,548
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:45 pmSYD - SAN
2 stops21h 03mAmerican Airlines
Wed 7/1612:32 pmSAN - SYD
2 stops25h 33mAmerican Airlines
Deal found 6/11$1,729

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 June 12, 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 8/22

4:20 pm-4:30 pm

1 stop17h 10m

San Diego

Thu 8/28

5:50 pm-2:40 pm

1 stop27h 50m

$772

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/10

9:40 pm-7:00 am

1 stop26h 20m

San Diego

Sun 8/17

6:58 pm-7:45 pm

2 stops31h 47m

$936

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/10

9:40 pm-7:00 am

1 stop26h 20m

San Diego

Sun 8/17

5:45 pm-7:45 pm

1 stop33h 00m

$945

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 7/26

11:50 am-11:44 pm

2 stops28h 54m

San Diego

Sat 8/2

10:49 am-8:45 am

2 stops28h 56m

$994

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 7/20

9:25 am-6:39 pm

2 stops26h 14m

San Diego

Thu 7/31

6:15 am-6:35 am

2 stops31h 20m

$1,028

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 7/26

9:20 am-11:57 am

1 stop19h 37m

San Diego

Sat 8/2

5:00 pm-9:40 pm

2 stops35h 40m

$1,176

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 6/23

10:20 am-10:24 am

2 stops41h 04m

San Diego

Mon 6/30

8:44 pm-7:00 am

1 stop17h 16m

$1,332

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 7/1

10:20 am-10:23 am

1 stop17h 03m

San Diego

Wed 7/16

7:27 pm-6:55 am

1 stop18h 28m

$1,548

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 7/1

5:45 pm-9:48 pm

2 stops21h 03m

San Diego

Wed 7/16

12:32 pm-7:05 am

2 stops25h 33m

$1,729

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 10/28

10:20 am-7:25 pm

1 stop27h 05m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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 9, 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 June 12, 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.

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 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Sydney to San Diego, such as Alaska Airlines, Delta and Air New Zealand. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
483 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Virgin Australia
7.5
Good
407 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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?

    Alaska Airlines, at $936, 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. Alaska Airlines is currently priced 20% below the average price you’ll pay for this route.

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

    $562 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 Delta, with prices starting from $648 and $699, 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
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$1,115FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$896Average$1,044FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,052Average$1,229FlexibilityNo cancel feeOn-time69%

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