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

Alaska Airlines is the most popular carrier 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.

$757 Cheap Flights from San Diego to Sydney in 2026

Find the cheapest flights from San Diego to Sydney

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Cheap return flights

Enter your travel dates to find the best prices.

16:45 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

21h 50m2 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

$1,422Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

16:45 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

21h 50m2 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

$1,425Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

16:45 - 18:15SAN San Diego-SYD Sydney Kingsford Smith

31h 30m2 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

$1,450Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

16:45 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

21h 50m2 stops Los Angeles Los Angeles Auckland Intl

19:25 - 20:24SYD Sydney Kingsford Smith-SAN San Diego

43h 59m2 stops Auckland Intl Los Angeles Los Angeles

$1,451Air New Zealand

Tue, 27 Oct - Sat, 7 Nov

18:26 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

43h 09m2 stops San Francisco Auckland Intl

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

26h 22m2 stops Auckland Intl Los Angeles Los Angeles

$1,479Air New Zealand

Sat, 7 Nov - Sun, 15 Nov

16:45 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

20h 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

$1,483Air New Zealand

Sun, 1 Nov - Mon, 9 Nov

14:30 - 12:50SAN San Diego-SYD Sydney Kingsford Smith

27h 20m2 stops Los Angeles Los Angeles Auckland Intl

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

26h 22m2 stops Auckland Intl Los Angeles Los Angeles

$1,489Air New Zealand

Sat, 7 Nov - Sun, 15 Nov

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

23h 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

$1,490Air New Zealand

Sat, 7 Nov - Sun, 15 Nov

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

40h 50m1 stop Honolulu

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

17h 14m1 stop Honolulu

$1,514Alaska Airlines

Sun, 6 Sep - Sun, 20 Sep

06:20 - 08:35SAN San Diego-SYD Sydney Kingsford Smith

32h 15m2 stops Los Angeles Los Angeles Auckland Intl

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

40h 52m2 stops Auckland Intl Los Angeles Los Angeles

$1,525Air New Zealand

Tue, 27 Oct - Sat, 7 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:30 - 18:50SAN San Diego-SYD Sydney Kingsford Smith

37h 20m1 stop Honolulu

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

27h 07m1 stop Honolulu

$1,603Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

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

$1,649Multiple Airlines

Wed, 26 Aug - Fri, 4 Sep

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

$1,651Multiple Airlines

Wed, 26 Aug - Fri, 4 Sep

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

$1,658Multiple Airlines

Wed, 26 Aug - Fri, 4 Sep

12:30 - 18:50SAN San Diego-SYD Sydney Kingsford Smith

37h 20m1 stop Honolulu

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

27h 07m1 stop Honolulu

$1,694Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

17:00 - 06:55SAN San Diego-SYD Sydney Kingsford Smith

20h 55m2 stops Los Angeles Los Angeles San Francisco

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

19h 05m1 stop Los Angeles Los Angeles

$1,730United Airlines

Sun, 30 Aug - Mon, 7 Sep

15:56 - 07:00SAN San Diego-SYD Sydney Kingsford Smith

22h 04m2 stops San Francisco Los Angeles Los Angeles

09:30 - 13:44SYD Sydney Kingsford Smith-SAN San Diego

21h 14m2 stops Los Angeles Los Angeles San Francisco

$1,737United Airlines

Sun, 30 Aug - Mon, 7 Sep

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

35h 46m2 stops Los Angeles Los Angeles Tokyo Haneda

20:55 - 19:55SYD Sydney Kingsford Smith-SAN San Diego

40h 00m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,751ANA

Wed, 26 Aug - Tue, 1 Sep

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

35h 46m2 stops Los Angeles Los Angeles Tokyo Haneda

20:55 - 19:55SYD Sydney Kingsford Smith-SAN San Diego

40h 00m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,758ANA

Wed, 26 Aug - Fri, 4 Sep

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

35h 46m2 stops Los Angeles Los Angeles Tokyo Haneda

20:55 - 19:55SYD Sydney Kingsford Smith-SAN San Diego

40h 00m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,767ANA

Wed, 26 Aug - Fri, 4 Sep

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ANA flights from San Diego to Sydney

Our best ANA deals on San Diego to Sydney flight tickets

ANA

26 Aug

SAN14:24San Diego

35h 46m

2 stops

SYD19:10Sydney Kingsford Smith

1 Sept

SYD20:55Sydney Kingsford Smith

40h 00m

2 stops

SAN19:55San Diego

$1,751

ANA

26 Aug

SAN14:24San Diego

35h 46m

2 stops

SYD19:10Sydney Kingsford Smith

1 Sept

SYD20:55Sydney Kingsford Smith

40h 00m

2 stops

SAN19:55San Diego

$1,753

ANA

26 Aug

SAN14:24San Diego

35h 46m

2 stops

SYD19:10Sydney Kingsford Smith

4 Sept

SYD20:55Sydney Kingsford Smith

40h 00m

2 stops

SAN19:55San Diego

$1,758

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

27 Jan

SAN14:30San Diego

25h 05m

2 stops

SYD10:35Sydney Kingsford Smith

16 Feb

SYD09:55Sydney Kingsford Smith

26h 34m

2 stops

SAN17:29San Diego

$1,422

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

$1,425

Air New Zealand

28 Oct

SAN16:45San Diego

31h 30m

2 stops

SYD18:15Sydney Kingsford Smith

16 Nov

SYD11:50Sydney Kingsford Smith

24h 27m

2 stops

SAN17:17San Diego

$1,450

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

16:45-08:35

2 stops21h 50m

Sydney Kingsford Smith

Mon 16/11

09:55-20:24

2 stops29h 29m

$1,422

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

16:45-08:35

2 stops21h 50m

Sydney Kingsford Smith

Mon 16/11

09:55-20:24

2 stops29h 29m

$1,425

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

16:45-18:15

2 stops31h 30m

Sydney Kingsford Smith

Mon 16/11

11:50-17:17

2 stops24h 27m

$1,450

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 27/10

16:45-08:35

2 stops21h 50m

Sydney Kingsford Smith

Sat 7/11

19:25-20:24

2 stops43h 59m

$1,451

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 7/11

18:26-08:35

2 stops43h 09m

Sydney Kingsford Smith

Sun 15/11

09:55-17:17

2 stops26h 22m

$1,479

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 1/11

16:45-08:35

2 stops20h 50m

Sydney Kingsford Smith

Mon 9/11

11:50-20:24

2 stops27h 34m

$1,483

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 7/11

14:30-12:50

2 stops27h 20m

Sydney Kingsford Smith

Sun 15/11

09:55-17:17

2 stops26h 22m

$1,489

Fastest return journey

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 7/11

14:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Sun 15/11

11:50-17:17

2 stops24h 27m

$1,490

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 6/9

09:00-18:50

1 stop40h 50m

Sydney Kingsford Smith

Sun 20/9

20:45-20:59

1 stop17h 14m

$1,514

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 27/10

06:20-08:35

2 stops32h 15m

Sydney Kingsford Smith

Sat 7/11

19:25-17:17

2 stops40h 52m

$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 $1,435 to $1,920.
The lowest price recently found on this route was $1,422.

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 $1,517. 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 $1,524.

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 $1,709 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 $1,184 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

Best price found	$757
Fastest flight time	22h 19m
Direct flights	None

The best one-way flight to Sydney from San Diego in the past 72 hours is $757. The best return flight deal from San Diego to Sydney found on momondo in the last 72 hours is $1,422.

The fastest flight from San Diego to Sydney takes 22h 19m

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 19m, 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.