What is the cheapest airline that flies from San Diego to Sydney Kingsford Smith?

ANA, Alaska Airlines, and United Airlines are the most popular carriers operating from San Diego to Sydney Kingsford Smith

When did momondo last update prices for flights from San Diego Airport to Sydney Kingsford Smith Airport?

Prices for flights from San Diego Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How old do you have to be to fly from San Diego Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$786 Cheap Flights from San Diego to Sydney in 2026/27

Find the cheapest flights from San Diego to Sydney

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

10:56 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

26h 39m2 stops San Francisco Auckland Intl

09:55 - 18:38SYD Sydney Kingsford Smith-SAN San Diego

27h 43m2 stops Auckland Intl San Francisco

$1,323Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

16:45 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

22h 50m2 stops Los Angeles Auckland Intl

11:50 - 17:27SYD Sydney Kingsford Smith-SAN San Diego

24h 37m2 stops Auckland Intl Los Angeles

$1,430Air New Zealand

Tue, 29 Dec - Tue, 12 Jan

18:28 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

43h 07m2 stops San Francisco Auckland Intl

09:55 - 19:47SYD Sydney Kingsford Smith-SAN San Diego

28h 52m2 stops Auckland Intl Los Angeles

$1,442Air New Zealand

Sun, 24 Jan - Sun, 31 Jan

16:45 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

22h 50m2 stops Los Angeles Auckland Intl

14:05 - 17:17SYD Sydney Kingsford Smith-SAN San Diego

22h 12m2 stops Auckland Intl Los Angeles

$1,494Air New Zealand

Fri, 13 Nov - Wed, 18 Nov

11:00 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

26h 35m2 stops Los Angeles Auckland Intl

11:50 - 18:35SYD Sydney Kingsford Smith-SAN San Diego

24h 45m2 stops Auckland Intl San Francisco

$1,496Air New Zealand

Wed, 10 Mar - Tue, 16 Mar

14:30 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

24h 05m2 stops Los Angeles Auckland Intl

14:05 - 17:17SYD Sydney Kingsford Smith-SAN San Diego

22h 12m2 stops Auckland Intl Los Angeles

$1,500Air New Zealand

Mon, 26 Oct - Fri, 20 Nov

14:30 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

23h 05m2 stops Los Angeles Auckland Intl

11:50 - 17:29SYD Sydney Kingsford Smith-SAN San Diego

23h 39m2 stops Auckland Intl Los Angeles

$1,510Air New Zealand

Wed, 10 Mar - Mon, 15 Mar

14:30 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

25h 05m2 stops Los Angeles Auckland Intl

14:05 - 17:27SYD Sydney Kingsford Smith-SAN San Diego

22h 22m2 stops Auckland Intl Los Angeles

$1,513Air New Zealand

Sat, 23 Jan - Sun, 31 Jan

11:00 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

26h 35m2 stops Los Angeles Auckland Intl

19:25 - 19:49SYD Sydney Kingsford Smith-SAN San Diego

43h 24m2 stops Auckland Intl Los Angeles

$1,522Air New Zealand

Thu, 18 Feb - Sat, 27 Feb

11:00 - 19:45SAN San Diego-SYD Sydney Kingsford Smith

37h 45m1 stop Honolulu

21:40 - 20:08SYD Sydney Kingsford Smith-SAN San Diego

17h 28m1 stop Honolulu

$1,525Multiple Airlines

Sun, 1 Nov - Sun, 15 Nov

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Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets

Alaska Airlines

27 Oct

SAN08:40San Diego

41h 05m

1 stop

SYD19:45Sydney Kingsford Smith

7 Nov

SYD21:40Sydney Kingsford Smith

17h 28m

1 stop

SAN20:08San Diego

$1,574

Alaska Airlines

27 Oct

SAN08:40San Diego

41h 05m

1 stop

SYD19:45Sydney Kingsford Smith

7 Nov

SYD21:40Sydney Kingsford Smith

17h 28m

1 stop

SAN20:08San Diego

$1,626

Alaska Airlines

12 Mar

SAN08:10San Diego

40h 35m

1 stop

SYD19:45Sydney Kingsford Smith

16 Mar

SYD21:40Sydney Kingsford Smith

17h 19m

1 stop

SAN20:59San Diego

$1,648

Air New Zealand flights from San Diego to Sydney

Our best Air New Zealand deals on San Diego to Sydney flight tickets

Air New Zealand

29 Dec

SAN16:45San Diego

22h 50m

2 stops

SYD10:35Sydney Kingsford Smith

12 Jan

SYD11:50Sydney Kingsford Smith

24h 37m

2 stops

SAN17:27San Diego

$1,430

Air New Zealand

24 Jan

SAN18:28San Diego

43h 07m

2 stops

SYD08:35Sydney Kingsford Smith

31 Jan

SYD09:55Sydney Kingsford Smith

28h 52m

2 stops

SAN19:47San Diego

$1,442

Air New Zealand

28 Oct

SAN16:45San Diego

21h 50m

2 stops

SYD08:35Sydney Kingsford Smith

16 Nov

SYD09:55Sydney Kingsford Smith

29h 29m

2 stops

SAN20:24San Diego

$1,447

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Thu 5/11

10:56-08:35

2 stops26h 39m

Sydney Kingsford Smith

Thu 12/11

09:55-18:38

2 stops27h 43m

$1,323

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 29/12

16:45-10:35

2 stops22h 50m

Sydney Kingsford Smith

Tue 12/1

11:50-17:27

2 stops24h 37m

$1,430

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 24/1

18:28-08:35

2 stops43h 07m

Sydney Kingsford Smith

Sun 31/1

09:55-19:47

2 stops28h 52m

$1,442

Fastest return journey

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Fri 13/11

16:45-10:35

2 stops22h 50m

Sydney Kingsford Smith

Wed 18/11

14:05-17:17

2 stops22h 12m

$1,494

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 10/3

11:00-08:35

2 stops26h 35m

Sydney Kingsford Smith

Tue 16/3

11:50-18:35

2 stops24h 45m

$1,496

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 26/10

14:30-08:35

2 stops24h 05m

Sydney Kingsford Smith

Fri 20/11

14:05-17:17

2 stops22h 12m

$1,500

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 10/3

14:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Mon 15/3

11:50-17:29

2 stops23h 39m

$1,510

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 23/1

14:30-10:35

2 stops25h 05m

Sydney Kingsford Smith

Sun 31/1

14:05-17:27

2 stops22h 22m

$1,513

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Thu 18/2

11:00-08:35

2 stops26h 35m

Sydney Kingsford Smith

Sat 27/2

19:25-19:49

2 stops43h 24m

$1,522

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 1/11

11:00-19:45

1 stop37h 45m

Sydney Kingsford Smith

Sun 15/11

21:40-20:08

1 stop17h 28m

$1,525

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,586 to $2,200.
The lowest price recently found on this route was $1,323.

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from San Diego, with most prices found around $1,527. If you aren’t able to travel to Sydney during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,534.

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

You are more likely to see cheaper flights to Sydney from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,777 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from San Diego for as low as $1,407 on momondo.

Can stopping save me money on San Diego to Sydney flights?

You could potentially save up to 15% on your flight if you consider stops on a San Diego to Sydney flight.

How have San Diego to Sydney flight prices changed over time?

As of September 2026, prices for San Diego to Sydney flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap San Diego to Sydney (SAN to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Sydney

Best price found	$786
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Sydney from San Diego in the past 72 hours is $786. The best return flight deal from San Diego to Sydney found on momondo in the last 72 hours is $1,323.

The fastest flight from San Diego to Sydney takes 22h 50m

There are no direct flights from San Diego to Sydney. There are no popular flight routes from San Diego to Sydney.

Search flight deals

Frequently asked questions about flying from San Diego to Sydney

How far is San Diego to Sydney Kingsford Smith by plane?
A flight from San Diego to Sydney Kingsford Smith will travel around 12082.4 km. Flights usually cover this in 22h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Diego Airport to Sydney Kingsford Smith Airport?
Prices for flights from San Diego Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How old do you have to be to fly from San Diego Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from San Diego.

Can I find flights from San Diego to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Sydney?

Once you have performed a search for San Diego to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.