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

ANA and Alaska 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.

$761 Cheap Flights from San Diego to Sydney in 2026

Find the cheapest flights from San Diego to Sydney

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18:51 - 06:25SAN San Diego-SYD Sydney Kingsford Smith

17h 34m1 stop San Francisco

19:15 - 15:41SYD Sydney Kingsford Smith-SAN San Diego

39h 26m2 stops Auckland Intl Dallas/Fort Worth

$1,310Qantas Airways

Wed, 28 Oct - Mon, 16 Nov

18:51 - 06:25SAN San Diego-SYD Sydney Kingsford Smith

17h 34m1 stop San Francisco

19:15 - 15:41SYD Sydney Kingsford Smith-SAN San Diego

39h 26m2 stops Auckland Intl Dallas/Fort Worth

$1,311Qantas Airways

Wed, 28 Oct - Mon, 16 Nov

10:54 - 06:25SAN San Diego-SYD Sydney Kingsford Smith

24h 31m1 stop San Francisco

19:15 - 15:41SYD Sydney Kingsford Smith-SAN San Diego

39h 26m2 stops Auckland Intl Dallas/Fort Worth

$1,414Qantas Airways

Wed, 27 Jan - Wed, 17 Feb

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

28h 20m2 stops Los Angeles Auckland Intl

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

26h 22m2 stops Auckland Intl Los Angeles

$1,416Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

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

28h 20m2 stops Los Angeles Auckland Intl

14:05 - 20:24SYD Sydney Kingsford Smith-SAN San Diego

25h 19m2 stops Auckland Intl Los Angeles

$1,417Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

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

21h 50m2 stops Los Angeles Auckland Intl

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

24h 27m2 stops Auckland Intl Los Angeles

$1,418Air New Zealand

Wed, 28 Oct - Mon, 16 Nov

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

23h 05m2 stops Los Angeles Auckland Intl

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

26h 59m2 stops Auckland Intl Los Angeles

$1,420Air New Zealand

Mon, 25 Jan - Mon, 8 Feb

18:26 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

45h 09m2 stops San Francisco Auckland Intl

09:55 - 18:37SYD Sydney Kingsford Smith-SAN San Diego

27h 42m2 stops Auckland Intl San Francisco

$1,427Air New Zealand

Sat, 7 Nov - Sun, 15 Nov

18:26 - 10:35SAN San Diego-SYD Sydney Kingsford Smith

45h 09m2 stops San Francisco Auckland Intl

09:55 - 18:37SYD Sydney Kingsford Smith-SAN San Diego

27h 42m2 stops Auckland Intl San Francisco

$1,428Air New Zealand

Sat, 7 Nov - Sun, 15 Nov

07:30 - 08:45SAN San Diego-SYD Sydney Kingsford Smith

31h 15m2 stops San Francisco Auckland Intl

19:20 - 17:17SYD Sydney Kingsford Smith-SAN San Diego

39h 57m2 stops Auckland Intl Los Angeles

$1,443Air New Zealand

Sun, 18 Oct - Sat, 24 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:00 - 19:10SAN San Diego-SYD Sydney Kingsford Smith

33h 10m2 stops Los Angeles Tokyo Haneda

11:45 - 15:54SYD Sydney Kingsford Smith-SAN San Diego

45h 09m2 stops Tokyo Haneda San Francisco

$1,843ANA

Tue, 8 Sep - Mon, 14 Sep

06:20 - 10:40SAN San Diego-SYD Sydney Kingsford Smith

35h 20m2 stops San Francisco Auckland Intl

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

19h 05m1 stop Los Angeles

$1,874Air New Zealand

Mon, 7 Sep - Wed, 16 Sep

07:15 - 06:10SAN San Diego-SYD Sydney Kingsford Smith

29h 55m2 stops Seattle/Tacoma Intl Hong Kong Intl

21:55 - 19:54SYD Sydney Kingsford Smith-SAN San Diego

38h 59m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,922Multiple Airlines

Thu, 10 Sep - Wed, 30 Sep

07:15 - 08:45SAN San Diego-SYD Sydney Kingsford Smith

32h 30m2 stops San Francisco Auckland Intl

09:30 - 12:18SYD Sydney Kingsford Smith-SAN San Diego

19h 48m2 stops Los Angeles San Francisco

$1,928Air New Zealand

Mon, 7 Sep - Wed, 16 Sep

17:00 - 08:45SAN San Diego-SYD Sydney Kingsford Smith

22h 45m2 stops Los Angeles Auckland Intl

10:20 - 18:35SYD Sydney Kingsford Smith-SAN San Diego

25h 15m1 stop San Francisco

$1,930Air New Zealand

Thu, 10 Sep - Wed, 30 Sep

07:15 - 08:45SAN San Diego-SYD Sydney Kingsford Smith

32h 30m2 stops San Francisco Auckland Intl

09:30 - 12:18SYD Sydney Kingsford Smith-SAN San Diego

19h 48m2 stops Los Angeles San Francisco

$1,935Air New Zealand

Mon, 7 Sep - Wed, 16 Sep

06:15 - 08:40SAN San Diego-SYD Sydney Kingsford Smith

33h 25m2 stops Seattle/Tacoma Intl Hong Kong Intl

14:05 - 10:08SYD Sydney Kingsford Smith-SAN San Diego

37h 03m2 stops Hong Kong Intl San Francisco

$1,983Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

06:15 - 08:45SAN San Diego-SYD Sydney Kingsford Smith

33h 30m2 stops Los Angeles Auckland Intl

10:20 - 13:44SYD Sydney Kingsford Smith-SAN San Diego

20h 24m1 stop San Francisco

$1,985Air New Zealand

Thu, 10 Sep - Wed, 30 Sep

07:15 - 06:10SAN San Diego-SYD Sydney Kingsford Smith

29h 55m2 stops Seattle/Tacoma Intl Hong Kong Intl

21:55 - 19:54SYD Sydney Kingsford Smith-SAN San Diego

38h 59m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,990Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

07:15 - 06:10SAN San Diego-SYD Sydney Kingsford Smith

29h 55m2 stops Seattle/Tacoma Intl Hong Kong Intl

21:55 - 19:54SYD Sydney Kingsford Smith-SAN San Diego

38h 59m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,992Multiple Airlines

Thu, 10 Sep - Wed, 30 Sep

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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

SAN14:30San Diego

28h 20m

2 stops

SYD12:50Sydney Kingsford Smith

16 Nov

SYD09:55Sydney Kingsford Smith

26h 22m

2 stops

SAN17:17San Diego

$1,416

Air New Zealand

28 Oct

SAN14:30San Diego

28h 20m

2 stops

SYD12:50Sydney Kingsford Smith

16 Nov

SYD14:05Sydney Kingsford Smith

25h 19m

2 stops

SAN20:24San Diego

$1,417

Air New Zealand

28 Oct

SAN16:45San Diego

21h 50m

2 stops

SYD08:35Sydney Kingsford Smith

16 Nov

SYD11:50Sydney Kingsford Smith

24h 27m

2 stops

SAN17:17San Diego

$1,418

Alaska Airlines flights from San Diego to Sydney

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

Alaska Airlines

13 Oct

SAN08:35San Diego

40h 15m

1 stop

SYD18:50Sydney Kingsford Smith

20 Oct

SYD20:45Sydney Kingsford Smith

17h 54m

1 stop

SAN20:39San Diego

$1,504

Alaska Airlines

13 Oct

SAN08:35San Diego

40h 15m

1 stop

SYD18:50Sydney Kingsford Smith

20 Oct

SYD20:45Sydney Kingsford Smith

17h 54m

1 stop

SAN20:39San Diego

$1,516

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

$1,546

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

18:51-06:25

1 stop17h 34m

Sydney Kingsford Smith

Mon 16/11

19:15-15:41

2 stops39h 26m

$1,310

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

18:51-06:25

1 stop17h 34m

Sydney Kingsford Smith

Mon 16/11

19:15-15:41

2 stops39h 26m

$1,311

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 27/1

10:54-06:25

1 stop24h 31m

Sydney Kingsford Smith

Wed 17/2

19:15-15:41

2 stops39h 26m

$1,414

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

14:30-12:50

2 stops28h 20m

Sydney Kingsford Smith

Mon 16/11

09:55-17:17

2 stops26h 22m

$1,416

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 28/10

14:30-12:50

2 stops28h 20m

Sydney Kingsford Smith

Mon 16/11

14:05-20:24

2 stops25h 19m

$1,417

Fastest return journey

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

11:50-17:17

2 stops24h 27m

$1,418

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 25/1

14:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Mon 8/2

11:50-19:49

2 stops26h 59m

$1,420

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 7/11

18:26-10:35

2 stops45h 09m

Sydney Kingsford Smith

Sun 15/11

09:55-18:37

2 stops27h 42m

$1,427

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 7/11

18:26-10:35

2 stops45h 09m

Sydney Kingsford Smith

Sun 15/11

09:55-18:37

2 stops27h 42m

$1,428

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 18/10

07:30-08:45

2 stops31h 15m

Sydney Kingsford Smith

Sat 24/10

19:20-17:17

2 stops39h 57m

$1,443

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 $1,536 to $2,283.
The lowest price recently found on this route was $1,310.

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 $1,507. 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 $1,514.

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 $1,727 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 $1,348 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 September 2026, prices for San Diego to Sydney flights are approximately 30% 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	$761
Fastest flight time	17h 34m
Direct flights	None

The best one-way flight to Sydney from San Diego in the past 72 hours is $761. The best return flight deal from San Diego to Sydney found on momondo in the last 72 hours is $1,310.

The fastest flight from San Diego to Sydney takes 17h 34m

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 17h 34m, 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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Katoomba

Penrith

Lithgow

Manly

Coogee

Randwick

Cronulla

Leura

Charlestown

Bondi Beach

Swansea

Newport

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.