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

Air Canada and ANA 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.

$772 Cheap Flights from San Diego to Sydney in 2025/26

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Find the cheapest flights from San Diego to Sydney

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11:05 - 08:45

SAN

SYD

26h 40m2 stops

11:45 - 17:29

SYD

SAN

24h 44m2 stops

$1,566Air New Zealand

Tue, 24 Feb - Tue, 3 Mar

11:05 - 10:30

SAN

SYD

28h 25m2 stops

19:15 - 18:48

SYD

SAN

42h 33m2 stops

$1,601Air New Zealand

Sun, 1 Mar - Sat, 7 Mar

11:05 - 10:30

SAN

SYD

28h 25m2 stops

11:45 - 19:48

SYD

SAN

26h 03m2 stops

$1,638Air New Zealand

Sun, 1 Mar - Thu, 12 Mar

06:43 - 06:10

SAN

SYD

28h 27m1 stop

21:25 - 19:19

SYD

SAN

16h 54m1 stop

$1,663Multiple Airlines

Sun, 1 Feb - Sun, 15 Feb

18:10 - 07:20

SAN

SYD

20h 10m1 stop

09:20 - 16:05

SYD

SAN

23h 45m1 stop

$1,668Air Canada

Wed, 22 Apr - Sun, 10 May

12:45 - 07:20

SAN

SYD

25h 35m1 stop

07:00 - 16:05

SYD

SAN

26h 05m2 stops

$1,690Air Canada

Wed, 22 Apr - Sun, 10 May

18:05 - 09:35

SAN

SYD

20h 30m1 stop

21:20 - 12:03

SYD

SAN

32h 43m2 stops

$1,699Multiple Airlines

Wed, 4 Mar - Tue, 17 Mar

11:05 - 12:40

SAN

SYD

30h 35m2 stops

11:45 - 19:48

SYD

SAN

26h 03m2 stops

$1,708Air New Zealand

Fri, 27 Feb - Fri, 13 Mar

18:10 - 11:25

SAN

SYD

24h 15m2 stops

07:00 - 11:50

SYD

SAN

21h 50m2 stops

$1,713Multiple Airlines

Wed, 22 Apr - Sun, 10 May

11:05 - 08:45

SAN

SYD

26h 40m2 stops

11:20 - 10:24

SYD

SAN

18h 04m1 stop

$1,719Air New Zealand

Tue, 24 Feb - Tue, 3 Mar

Air Canada flights from San Diego to Sydney

Our best Air Canada deals on San Diego to Sydney flight tickets

Air Canada

11 Feb

SAN12:45San Diego

25h 50m

1 stop

SYD09:35Sydney Kingsford Smith

4 Mar

SYD11:20Sydney Kingsford Smith

25h 04m

1 stop

SAN17:24San Diego

$1,668

Find similar

Air Canada

11 Feb

SAN18:05San Diego

20h 30m

1 stop

SYD09:35Sydney Kingsford Smith

4 Mar

SYD08:30Sydney Kingsford Smith

22h 33m

2 stops

SAN12:03San Diego

$1,690

Find similar

Air Canada

15 Feb

SAN12:45San Diego

30h 55m

2 stops

SYD14:40Sydney Kingsford Smith

23 Feb

SYD08:30Sydney Kingsford Smith

22h 33m

2 stops

SAN12:03San Diego

$1,720

Find similar

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

24 Feb

SAN11:05San Diego

26h 40m

2 stops

SYD08:45Sydney Kingsford Smith

3 Mar

SYD11:45Sydney Kingsford Smith

24h 44m

2 stops

SAN17:29San Diego

$1,566

Find similar

Air New Zealand

1 Mar

SAN11:05San Diego

28h 25m

2 stops

SYD10:30Sydney Kingsford Smith

7 Mar

SYD19:15Sydney Kingsford Smith

42h 33m

2 stops

SAN18:48San Diego

$1,601

Find similar

Air New Zealand

11 Feb

SAN11:08San Diego

26h 37m

2 stops

SYD08:45Sydney Kingsford Smith

4 Mar

SYD13:55Sydney Kingsford Smith

22h 34m

2 stops

SAN17:29San Diego

$1,611

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 24/2

11:05-08:45

2 stops26h 40m

Sydney Kingsford Smith

Tue 3/3

11:45-17:29

2 stops24h 44m

$1,566

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/3

11:05-10:30

2 stops28h 25m

Sydney Kingsford Smith

Sat 7/3

19:15-18:48

2 stops42h 33m

$1,601

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/3

11:05-10:30

2 stops28h 25m

Sydney Kingsford Smith

Thu 12/3

11:45-19:48

2 stops26h 03m

$1,638

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/2

06:43-06:10

1 stop28h 27m

Sydney Kingsford Smith

Sun 15/2

21:25-19:19

1 stop16h 54m

$1,663

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 22/4

18:10-07:20

1 stop20h 10m

Sydney Kingsford Smith

Sun 10/5

09:20-16:05

1 stop23h 45m

$1,668

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 22/4

12:45-07:20

1 stop25h 35m

Sydney Kingsford Smith

Sun 10/5

07:00-16:05

2 stops26h 05m

$1,690

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 4/3

18:05-09:35

1 stop20h 30m

Sydney Kingsford Smith

Tue 17/3

21:20-12:03

2 stops32h 43m

$1,699

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 27/2

11:05-12:40

2 stops30h 35m

Sydney Kingsford Smith

Fri 13/3

11:45-19:48

2 stops26h 03m

$1,708

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 22/4

18:10-11:25

2 stops24h 15m

Sydney Kingsford Smith

Sun 10/5

07:00-11:50

2 stops21h 50m

$1,713

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 24/2

11:05-08:45

2 stops26h 40m

Sydney Kingsford Smith

Tue 3/3

11:20-10:24

1 stop18h 04m

$1,719

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 cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from San Diego, with most prices found around $1,420. If you aren’t able to travel to Sydney during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,433.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,668. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,895.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from San Diego to Sydney in the morning for as low as $1,635. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,791 on average. Flights to Sydney from San Diego in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight 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 $1,637 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 $1,397 on momondo.

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

You could potentially save up to 61% 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 December 2025, prices for San Diego to Sydney flights are approximately 42% 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	21h 40m
Direct flights	None

The fastest flight from San Diego to Sydney takes 21h 40m

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

Search flight deals

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 21h 40m, 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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

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.