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.

$776 Cheap Flights from San Diego to Sydney in 2026

Find the cheapest flights from San Diego to Sydney

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

23h 50m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 20:24SYD Sydney Kingsford Smith-SAN San Diego

27h 34m2 stops Auckland Intl Los Angeles Los Angeles

$1,441Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

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

25h 05m2 stops Los Angeles Los Angeles Auckland Intl

09:55 - 20:24SYD Sydney Kingsford Smith-SAN San Diego

29h 29m2 stops Auckland Intl Los Angeles Los Angeles

$1,441Air New Zealand

Sun, 8 Nov - Tue, 17 Nov

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

26h 05m2 stops Los Angeles Los Angeles Auckland Intl

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

24h 27m2 stops Auckland Intl Los Angeles Los Angeles

$1,441Air New Zealand

Mon, 26 Oct - Mon, 2 Nov

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

23h 50m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 20:24SYD Sydney Kingsford Smith-SAN San Diego

27h 34m2 stops Auckland Intl Los Angeles Los Angeles

$1,442Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

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

23h 05m2 stops Los Angeles Los Angeles Auckland Intl

11:50 - 19:49SYD Sydney Kingsford Smith-SAN San Diego

26h 59m2 stops Auckland Intl Los Angeles Los Angeles

$1,442Air New Zealand

Wed, 27 Jan - Tue, 16 Feb

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

23h 05m2 stops Los Angeles Los Angeles Auckland Intl

09:55 - 17:29SYD Sydney Kingsford Smith-SAN San Diego

26h 34m2 stops Auckland Intl Los Angeles Los Angeles

$1,442Air New Zealand

Sun, 17 Jan - Mon, 15 Feb

07:15 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

32h 20m2 stops San Francisco Auckland Intl

19:25 - 17:29SYD Sydney Kingsford Smith-SAN San Diego

41h 04m2 stops Auckland Intl Los Angeles Los Angeles

$1,453Air New Zealand

Mon, 1 Feb - Mon, 8 Feb

09:00 - 18:50SAN San Diego-SYD Sydney Kingsford Smith

40h 50m1 stop Honolulu

20:45 - 06:52SYD Sydney Kingsford Smith-SAN San Diego

27h 07m1 stop Honolulu

$1,524Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

17:17 - 19:45SAN San Diego-SYD Sydney Kingsford Smith

31h 28m1 stop Honolulu

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

17h 28m1 stop Honolulu

$1,561Alaska Airlines

Sun, 8 Nov - Tue, 17 Nov

17:00 - 19:45SAN San Diego-SYD Sydney Kingsford Smith

32h 45m1 stop Honolulu

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

17h 28m1 stop Honolulu

$1,561Alaska Airlines

Tue, 27 Oct - Tue, 10 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:16 - 18:50SAN San Diego-SYD Sydney Kingsford Smith

32h 34m1 stop Honolulu

20:45 - 20:59SYD Sydney Kingsford Smith-SAN San Diego

17h 14m1 stop Honolulu

$1,528Alaska Airlines

Sun, 16 Aug - Sun, 30 Aug

14:24 - 19:10SAN San Diego-SYD Sydney Kingsford Smith

35h 46m2 stops Los Angeles Los Angeles Tokyo Haneda

09:10 - 21:34SYD Sydney Kingsford Smith-SAN San Diego

29h 24m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,728Multiple Airlines

Sun, 16 Aug - Sun, 30 Aug

16:22 - 07:05SAN San Diego-SYD Sydney Kingsford Smith

21h 43m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

12:00 - 19:54SYD Sydney Kingsford Smith-SAN San Diego

24h 54m1 stop Dallas/Fort Worth

$1,740American Airlines

Sun, 16 Aug - Sun, 30 Aug

16:22 - 07:05SAN San Diego-SYD Sydney Kingsford Smith

21h 43m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

09:10 - 15:26SYD Sydney Kingsford Smith-SAN San Diego

23h 16m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,741American Airlines

Sun, 16 Aug - Sun, 30 Aug

14:24 - 06:55SAN San Diego-SYD Sydney Kingsford Smith

23h 31m2 stops Los Angeles Los Angeles San Francisco

10:20 - 10:18SYD Sydney Kingsford Smith-SAN San Diego

16h 58m1 stop San Francisco

$1,745United Airlines

Sun, 16 Aug - Sun, 30 Aug

18:28 - 06:55SAN San Diego-SYD Sydney Kingsford Smith

19h 27m1 stop San Francisco

09:30 - 11:35SYD Sydney Kingsford Smith-SAN San Diego

19h 05m1 stop Los Angeles Los Angeles

$1,745United Airlines

Sun, 16 Aug - Sun, 30 Aug

17:00 - 07:00SAN San Diego-SYD Sydney Kingsford Smith

21h 00m1 stop Los Angeles Los Angeles

09:30 - 11:35SYD Sydney Kingsford Smith-SAN San Diego

43h 05m1 stop Los Angeles Los Angeles

$2,556United Airlines

Sun, 16 Aug - Wed, 9 Sep

19:59 - 19:15SAN San Diego-SYD Sydney Kingsford Smith

30h 16m2 stops Los Angeles Los Angeles Singapore Changi

14:50 - 19:06SYD Sydney Kingsford Smith-SAN San Diego

45h 16m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

$6,086Multiple Airlines

Sun, 16 Aug - Sun, 30 Aug

20:30 - 19:15SAN San Diego-SYD Sydney Kingsford Smith

53h 45m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi

14:50 - 19:06SYD Sydney Kingsford Smith-SAN San Diego

45h 16m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

$6,574Multiple Airlines

Sun, 16 Aug - Sun, 30 Aug

16:45 - 06:05SAN San Diego-SYD Sydney Kingsford Smith

44h 20m2 stops London Heathrow Singapore Changi

14:35 - 19:19SYD Sydney Kingsford Smith-SAN San Diego

45h 44m3 stops Singapore Changi London Heathrow Chicago O'Hare Intl

$8,944British Airways

Sun, 16 Aug - Sun, 30 Aug

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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

28 Oct

SAN16:45San Diego

23h 50m

2 stops

SYD10:35Sydney Kingsford Smith

16 Nov

SYD11:50Sydney Kingsford Smith

27h 34m

2 stops

SAN20:24San Diego

$1,441

Air New Zealand

28 Oct

SAN16:45San Diego

23h 50m

2 stops

SYD10:35Sydney Kingsford Smith

16 Nov

SYD11:50Sydney Kingsford Smith

27h 34m

2 stops

SAN20:24San Diego

$1,442

Air New Zealand

1 Feb

SAN07:15San Diego

32h 20m

2 stops

SYD10:35Sydney Kingsford Smith

8 Feb

SYD19:25Sydney Kingsford Smith

41h 04m

2 stops

SAN17:29San Diego

$1,453

Alaska Airlines flights from San Diego to Sydney

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

Alaska Airlines

16 Aug

SAN17:16San Diego

32h 34m

1 stop

SYD18:50Sydney Kingsford Smith

30 Aug

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,528

Alaska Airlines

13 Oct

SAN17:00San Diego

31h 50m

1 stop

SYD18:50Sydney Kingsford Smith

20 Oct

SYD20:45Sydney Kingsford Smith

17h 54m

1 stop

SAN20:39San Diego

$1,568

Alaska Airlines

13 Oct

SAN17:00San Diego

31h 50m

1 stop

SYD18:50Sydney Kingsford Smith

20 Oct

SYD20:45Sydney Kingsford Smith

17h 54m

1 stop

SAN20:39San Diego

$1,570

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

16:45-10:35

2 stops23h 50m

Sydney Kingsford Smith

Mon 16/11

11:50-20:24

2 stops27h 34m

$1,441

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 8/11

14:30-10:35

2 stops25h 05m

Sydney Kingsford Smith

Tue 17/11

09:55-20:24

2 stops29h 29m

$1,441

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 26/10

14:30-10:35

2 stops26h 05m

Sydney Kingsford Smith

Mon 2/11

11:50-17:17

2 stops24h 27m

$1,441

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

16:45-10:35

2 stops23h 50m

Sydney Kingsford Smith

Mon 16/11

11:50-20:24

2 stops27h 34m

$1,442

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 27/1

14:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Tue 16/2

11:50-19:49

2 stops26h 59m

$1,442

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 17/1

14:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Mon 15/2

09:55-17:29

2 stops26h 34m

$1,442

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 1/2

07:15-10:35

2 stops32h 20m

Sydney Kingsford Smith

Mon 8/2

19:25-17:29

2 stops41h 04m

$1,453

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 1/9

09:00-18:50

1 stop40h 50m

Sydney Kingsford Smith

Tue 8/9

20:45-06:52

1 stop27h 07m

$1,524

Fastest return journey

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 8/11

17:17-19:45

1 stop31h 28m

Sydney Kingsford Smith

Tue 17/11

21:40-20:08

1 stop17h 28m

$1,561

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 27/10

17:00-19:45

1 stop32h 45m

Sydney Kingsford Smith

Tue 10/11

21:40-20:08

1 stop17h 28m

$1,561

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 typical for flights on this route.

Typical prices usually range from $1,344 to $1,895.
The lowest price recently found on this route was $1,441.

What is the cheapest month to fly to Sydney?

The month of November is, on average, the cheapest month to fly to Sydney from San Diego, with most prices found around $1,366. If you aren’t able to travel to Sydney during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,424.

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 $1,717 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 $1,201 on momondo.

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

You could potentially save up to 16% 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 August 2026, prices for San Diego to Sydney flights are approximately 33% 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

Fastest flight time	20h 50m
Direct flights	None

The fastest flight from San Diego to Sydney takes 20h 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 20h 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.