Sydney

$537+ Cheap flights from San Diego (SAN) to Sydney (SYD)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
Jan 11 — Jan 181
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San Diego to Sydney Kingsford Smith are usually found in August or September, booked 56 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from San Diego to Sydney

Cheapest flights from San Diego to Sydney
Explore the most affordable flight options available from San Diego to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/8. 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.
Wed 12/106:10 pmSAN - SYD
1 stop20h 25mAir Canada
Wed 12/1711:20 amSYD - SAN
1 stop25h 04mAir Canada
Deal found 12/8$1,454
This Air Canada deal was found by Cheapflights users on 12/8. 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.
Wed 12/106:10 pmSAN - SYD
1 stop20h 25mMultiple Airlines
Wed 12/176:20 amSYD - SAN
2 stops24h 43mMultiple Airlines
Deal found 12/8$1,459
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/309:00 amSAN - SYD
2 stops26h 20mUnited Airlines
Sun 1/1111:20 amSYD - SAN
2 stops22h 44mUnited Airlines
Deal found 12/10$1,464
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/244:00 pmSAN - SYD
1 stop19h 20mUnited Airlines
Wed 12/3111:20 amSYD - SAN
1 stop18h 10mUnited Airlines
Deal found 12/8$1,473
This Delta deal was found by Cheapflights users on 12/8. 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 12/244:15 pmSAN - SYD
1 stop21h 15mDelta
Wed 12/3110:40 amSYD - SAN
2 stops41h 15mDelta
Deal found 12/8$1,493
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/2411:12 amSAN - SYD
2 stops24h 08mUnited Airlines
Thu 1/12:00 pmSYD - SAN
2 stops28h 37mUnited Airlines
Deal found 12/8$1,527
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Fri 12/267:55 pmSAN - SYD
1 stop39h 25mUnited Airlines
Wed 12/3111:20 amSYD - SAN
1 stop18h 10mUnited Airlines
Deal found 12/8$1,530
This Delta deal was found by Cheapflights users on 12/8. 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 12/254:15 pmSAN - SYD
1 stop19h 35mDelta
Wed 12/3110:40 amSYD - SAN
2 stops41h 15mDelta
Deal found 12/8$1,543
This Delta deal was found by Cheapflights users on 12/8. 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 12/109:50 amSAN - SYD
2 stops27h 40mDelta
Wed 12/1710:40 amSYD - SAN
2 stops32h 17mDelta
Deal found 12/8$1,557

Find flight deals from San Diego to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Sydney (SYD). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$911
(Travelocity)

One-way from

$537
(Priceline)

Popular in

January

Cheapest in

August

Average price

$1,179
Provider with most accurate pricing for San Diego-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for San Diego-Sydney Kingsford Smith flights.
From San Diego to Sydney Kingsford Smith
One-way flight from San Diego to Sydney Kingsford Smith
Highest demand for flights based on searches. 9% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Sydney 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 December 12, 2025.
Use the filters below to find and compare flights from San Diego to Sydney that are best for you.

Fly from

San Diego

Fly to

Sydney

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 3/1

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

Thu 3/12

7:30 am-12:03 pm

2 stops22h 33m

$968

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/9

11:03 am-8:45 am

2 stops27h 42m

Sydney Kingsford Smith

Mon 3/16

1:55 pm-6:33 pm

2 stops22h 38m

$1,048

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 3/5

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

Sat 3/14

1:00 pm-5:24 pm

2 stops46h 24m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/9

5:55 pm-9:15 am

1 stop21h 20m

Sydney Kingsford Smith

Mon 3/16

12:10 pm-8:53 pm

1 stop26h 43m

$1,113

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/2

7:25 pm-8:30 am

1 stop18h 05m

Sydney Kingsford Smith

Sat 3/14

9:40 am-2:52 pm

1 stop23h 12m

$1,163

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 2/7

4:00 pm-9:05 am

2 stops22h 05m

Sydney Kingsford Smith

Wed 2/11

12:10 pm-3:04 pm

2 stops21h 54m

$1,307

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 1/2

5:00 pm-7:45 pm

1 stop31h 45m

Sydney Kingsford Smith

Sat 1/31

9:40 pm-8:35 am

2 stops29h 55m

$1,472

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 1/3

1:25 pm-7:45 pm

1 stop35h 20m

Sydney Kingsford Smith

Sat 1/10

9:40 pm-6:56 am

1 stop28h 16m

$1,514

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 12/24

4:00 pm-6:20 am

1 stop19h 20m

Sydney Kingsford Smith

Thu 1/1

2:00 pm-6:43 pm

1 stop23h 43m

$1,744

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/23

7:55 pm-6:20 am

1 stop39h 25m

Sydney Kingsford Smith

Thu 1/1

2:00 pm-6:43 pm

1 stop23h 43m

$1,752

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
1
2

Compare providers for flights from San Diego to Sydney

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 San Diego to Sydney in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust 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 San Diego-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Sydney flights, Cheapflights users trust Gurufare the most. Gurufare 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 San Diego-Sydney 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 San Diego to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Diego 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 San Diego to Sydney

How far ahead should I book a flight from San Diego to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Sydney. Price data was last updated on December 5, 2025.

The best time to book flights from San Diego to Sydney is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Diego to Sydney?

Currently, September is the cheapest month in which you can book a flight from San Diego to Sydney (average of $530). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,056). 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 SAN to SYD?

Find hourly flight availability from San Diego to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from San Diego to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 12% versus a flight in the afternoon.

How much does it cost to fly round-trip from San Diego to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Air New Zealand, and Delta from San Diego to Sydney. 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

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Sydney. 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 San Diego to Sydney?

    Airlines like Air Canada, Air New Zealand, and United Airlines fly from San Diego to Sydney in about 20h 30m. The time it takes to get you to your destination can typically vary by up to 7h 12m. The distance from San Diego to Sydney is about 7510 mi. This flight may include one or multiple stops.

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

    Currently priced at $771, Air Canada will fly you from San Diego to Sydney and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $845 and $900, respectively. These flights start at 29% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $451. Users have also found prices from $488 and $495 on United Airlines and Delta, respectively.

  • Can I find deals for flights from San Diego to Sydney that include hotel bookings?

    Yes. In addition to deals on San Diego to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Sydney.

  • Can I find deals for business class flights from San Diego to Sydney?

    Yes. Cheapflights offers flight deals from San Diego to Sydney 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 San Diego to Sydney?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Sydney (average of $530). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,056). 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
Parramatta
Wollongong
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from San Diego to Sydney

Discover the top 7 airlines that operate flights from San Diego to Sydney. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$771Average$996FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$845Average$940FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$900Average$995FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$934Average$1,161FlexibilityNo cancel feeOn-time75%
DeltaCheapest$949Average$1,121FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$956Average$1,192FlexibilityNo cancel feeOn-time78%
Hawaiian AirlinesCheapest$1,138Average$1,352FlexibilityNo cancel feeOn-time85%

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