Sydney

$493+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SYD
Feb 20 — Feb 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Sydney with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 1/274:00 pm
SAN
-
SYD
1 stop19h 10m
Multiple Airlines
Sun 3/12:00 pm
SYD
-
SAN
2 stops37h 18m
Multiple Airlines
Deal found 1/20$1,085
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 4/283:35 pm
SAN
-
SYD
1 stop21h 50m
Multiple Airlines
Wed 5/61:10 pm
SYD
-
SAN
2 stops24h 38m
Multiple Airlines
Deal found 1/20$1,089
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 1/277:00 am
SAN
-
SYD
1 stop28h 10m
Multiple Airlines
Wed 2/252:00 pm
SYD
-
SAN
2 stops25h 39m
Multiple Airlines
Deal found 1/20$1,097
This Rumbo deal was found by Cheapflights users on 1/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/195:00 pm
SAN
-
SYD
1 stop31h 45m
Hawaiian Airlines
Sun 2/19:40 pm
SYD
-
SAN
1 stop17h 43m
Hawaiian Airlines
Deal found 1/19$1,143
This Gotogate deal was found by Cheapflights users on 1/19. 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.
Wed 6/38:15 am
SAN
-
SYD
1 stop30h 05m
Multiple Airlines
Wed 6/179:55 am
SYD
-
SAN
2 stops30h 49m
Multiple Airlines
Deal found 1/19$1,149
This SmartFares deal was found by Cheapflights users on 1/20. 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.
Tue 5/122:18 pm
SAN
-
SYD
1 stop35h 32m
Multiple Airlines
Sat 5/238:45 pm
SYD
-
SAN
1 stop26h 49m
Multiple Airlines
Deal found 1/20$1,163
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 4/126:15 pm
SAN
-
SYD
1 stop31h 35m
Multiple Airlines
Thu 4/168:45 pm
SYD
-
SAN
1 stop16h 57m
Multiple Airlines
Deal found 1/21$1,169
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Mon 1/195:00 pm
SAN
-
SYD
1 stop31h 45m
Multiple Airlines
Mon 1/269:40 pm
SYD
-
SAN
1 stop28h 16m
Multiple Airlines
Deal found 1/19$1,176
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 6/25:45 pm
SAN
-
SYD
1 stop32h 05m
Multiple Airlines
Tue 6/238:45 pm
SYD
-
SAN
1 stop27h 20m
Multiple Airlines
Deal found 1/20$1,179
This Hawaiian Airlines deal was found by Cheapflights users on 1/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/215:00 pm
SAN
-
SYD
1 stop31h 45m
Alaska Airlines
Sun 2/19:40 pm
SYD
-
SAN
1 stop17h 43m
Alaska Airlines
Deal found 1/20$1,180

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 January 21, 2026.

Most accurate provider

oojo
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,089
(Kiwi.com)

One-way from

$493
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,479
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. 10% potential increase in price ($133 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 21, 2026.
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

Tue 5/12

8:59 pm-6:50 pm

2 stops28h 51m

Sydney Kingsford Smith

Sat 5/23

8:45 pm-6:34 am

1 stop26h 49m

$1,176

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 5/29

9:00 am-6:50 pm

1 stop40h 50m

Sydney Kingsford Smith

Thu 6/18

8:45 pm-8:30 pm

1 stop16h 45m

$1,180

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 5/31

9:00 am-6:50 pm

1 stop40h 50m

Sydney Kingsford Smith

Tue 6/23

8:45 pm-7:05 am

1 stop27h 20m

$1,180

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/2

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

Thu 3/12

11:45 am-11:40 pm

2 stops29h 55m

$1,198

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 4/12

6:10 pm-7:20 am

1 stop20h 10m

Sydney Kingsford Smith

Thu 4/16

9:55 am-11:59 pm

2 stops31h 04m

$1,200

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 2/1

5:00 pm-7:45 pm

1 stop31h 45m

Sydney Kingsford Smith

Sun 2/15

9:40 pm-7:15 am

1 stop28h 35m

$1,207

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 6/4

5:45 pm-6:50 pm

1 stop32h 05m

Sydney Kingsford Smith

Sun 6/21

8:45 pm-8:06 am

2 stops28h 21m

$1,220

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 6/2

9:00 am-6:50 pm

1 stop40h 50m

Sydney Kingsford Smith

Sat 6/20

8:45 pm-8:06 am

2 stops28h 21m

$1,220

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 6/3

1:07 pm-6:50 pm

1 stop36h 43m

Sydney Kingsford Smith

Sun 6/21

8:45 pm-8:06 am

2 stops28h 21m

$1,220

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 6/4

5:45 pm-6:50 pm

1 stop32h 05m

Sydney Kingsford Smith

Thu 6/18

8:45 pm-8:18 am

2 stops28h 33m

$1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on San Diego-Sydney flight deals on Cheapflights vs. oojo >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 January 16, 2026.

The best time to book flights from San Diego to Sydney is 82 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 $507). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,203). 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.

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 January 21, 2026.
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.

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 Alaska Airlines fly from San Diego to Sydney in about 40h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from San Diego to Sydney is about 7510 mi.

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

    Currently priced at $550, Hawaiian Airlines will fly you from San Diego to Sydney and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and American Airlines - these airlines can fly you to your destination from $771 and $845, respectively. These flights start at 50% 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 $495 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 $507). Flying from San Diego to Sydney in January is currently the most expensive (average of $1,203). 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

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 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$550Average$1,352FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$771Average$996FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$845Average$940FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$900Average$1,040FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$934Average$1,161FlexibilityNo cancel feeOn-time75%
DeltaCheapest$949Average$1,126FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$956Average$1,184FlexibilityNo cancel feeOn-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.