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

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.

$892 Cheap Flights from San Diego to Sydney in 2026

Q: 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 $1,710 to $1,322. The lowest price recently found on this route was $1,402.

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Find the cheapest flights from San Diego to Sydney

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

09:20 - 16:15

SYD

SAN

23h 55m

1 stop

$1,402Air Canada

Sun, 21 Jun - Tue, 7 Jul

15:43 - 06:25

SAN

SYD

21h 42m

1 stop

21:25 - 22:59

SYD

SAN

18h 34m

1 stop

$1,418Multiple Airlines

Sun, 6 Sep - Sun, 20 Sep

16:55 - 14:40

SAN

SYD

28h 45m

2 stops

09:20 - 16:15

SYD

SAN

23h 55m

1 stop

$1,425Multiple Airlines

Sun, 21 Jun - Tue, 7 Jul

11:04 - 06:25

SAN

SYD

26h 21m

1 stop

21:25 - 09:35

SYD

SAN

29h 10m

1 stop

$1,427Multiple Airlines

Tue, 7 Jul - Tue, 14 Jul

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

09:20 - 11:53

SYD

SAN

19h 33m

1 stop

$1,430Air Canada

Sun, 21 Jun - Tue, 7 Jul

14:10 - 08:35

SAN

SYD

24h 25m

1 stop

11:20 - 13:04

SYD

SAN

20h 44m

1 stop

$1,475Air Canada

Tue, 27 Oct - Tue, 3 Nov

14:10 - 08:35

SAN

SYD

24h 25m

1 stop

11:20 - 17:59

SYD

SAN

25h 39m

1 stop

$1,476Air Canada

Tue, 27 Oct - Tue, 10 Nov

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

07:30 - 16:15

SYD

SAN

25h 45m

2 stops

$1,486Air Canada

Sun, 21 Jun - Tue, 7 Jul

16:14 - 06:25

SAN

SYD

21h 11m

1 stop

21:25 - 09:35

SYD

SAN

29h 10m

1 stop

$1,489Multiple Airlines

Fri, 3 Jul - Sun, 2 Aug

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

09:20 - 16:15

SYD

SAN

23h 55m

1 stop

$1,498Multiple Airlines

Sun, 21 Jun - Mon, 6 Jul

Air Canada flights from San Diego to Sydney

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

Air Canada

21 June

SAN16:55San Diego

21h 25m

1 stop

SYD07:20Sydney Kingsford Smith

7 July

SYD09:20Sydney Kingsford Smith

23h 55m

1 stop

SAN16:15San Diego

$1,402

Air Canada

21 June

SAN16:55San Diego

21h 25m

1 stop

SYD07:20Sydney Kingsford Smith

7 July

SYD09:20Sydney Kingsford Smith

19h 33m

1 stop

SAN11:53San Diego

$1,430

Air Canada

27 Oct

SAN14:10San Diego

24h 25m

1 stop

SYD08:35Sydney Kingsford Smith

3 Nov

SYD11:20Sydney Kingsford Smith

20h 44m

1 stop

SAN13:04San Diego

$1,475

United Airlines flights from San Diego to Sydney

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

United Airlines

21 June

SAN13:39San Diego

24h 21m

2 stops

SYD07:00Sydney Kingsford Smith

7 July

SYD09:30Sydney Kingsford Smith

23h 37m

2 stops

SAN16:07San Diego

$1,532

United Airlines

13 Oct

SAN17:00San Diego

21h 00m

1 stop

SYD08:00Sydney Kingsford Smith

20 Oct

SYD11:20Sydney Kingsford Smith

18h 53m

1 stop

SAN12:13San Diego

$1,543

United Airlines

8 Sept

SAN17:00San Diego

20h 55m

2 stops

SYD06:55Sydney Kingsford Smith

22 Sept

SYD09:30Sydney Kingsford Smith

19h 48m

2 stops

SAN12:18San Diego

$1,551

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Tue 7/7

09:20-16:15

1 stop23h 55m

$1,402

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 6/9

15:43-06:25

1 stop21h 42m

Sydney Kingsford Smith

Sun 20/9

21:25-22:59

1 stop18h 34m

$1,418

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

16:55-14:40

2 stops28h 45m

Sydney Kingsford Smith

Tue 7/7

09:20-16:15

1 stop23h 55m

$1,425

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 7/7

11:04-06:25

1 stop26h 21m

Sydney Kingsford Smith

Tue 14/7

21:25-09:35

1 stop29h 10m

$1,427

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Tue 7/7

09:20-11:53

1 stop19h 33m

$1,430

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 27/10

14:10-08:35

1 stop24h 25m

Sydney Kingsford Smith

Tue 3/11

11:20-13:04

1 stop20h 44m

$1,475

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 27/10

14:10-08:35

1 stop24h 25m

Sydney Kingsford Smith

Tue 10/11

11:20-17:59

1 stop25h 39m

$1,476

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Tue 7/7

07:30-16:15

2 stops25h 45m

$1,486

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 3/7

16:14-06:25

1 stop21h 11m

Sydney Kingsford Smith

Sun 2/8

21:25-09:35

1 stop29h 10m

$1,489

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 21/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Mon 6/7

09:20-16:15

1 stop23h 55m

$1,498

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?

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 $1,134. If you aren’t able to travel to Sydney during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,354.

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 $1,568 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 $998 on momondo.

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

You could potentially save up to 22% 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 May 2026, prices for San Diego to Sydney flights are approximately 7% 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	18h 14m
Direct flights	None

The fastest flight from San Diego to Sydney takes 18h 14m

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

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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 18h 14m, 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

Manly

Coogee

Leura

Bondi Beach

Randwick

Cronulla

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.