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

Alaska Airlines 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.

$765 Cheap Flights from San Diego to Sydney in 2026

Find the cheapest flights from San Diego to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:55 - 06:25

SAN

SYD

25h 30m

1 stop

17:50 - 12:11

SYD

SAN

37h 21m

2 stops

$1,333Qantas Airways

Wed, 28 Oct - Mon, 16 Nov

10:55 - 06:25

SAN

SYD

25h 30m

1 stop

17:50 - 12:11

SYD

SAN

37h 21m

2 stops

$1,441Qantas Airways

Wed, 28 Oct - Mon, 16 Nov

16:45 - 20:15

SAN

SYD

32h 30m

2 stops

12:25 - 13:04

SYD

SAN

43h 39m

2 stops

$1,464Multiple Airlines

Mon, 2 Nov - Wed, 18 Nov

16:45 - 20:15

SAN

SYD

32h 30m

2 stops

12:25 - 13:04

SYD

SAN

43h 39m

2 stops

$1,469Multiple Airlines

Mon, 2 Nov - Wed, 18 Nov

15:15 - 06:35

SAN

SYD

20h 20m

1 stop

17:50 - 12:47

SYD

SAN

37h 57m

2 stops

$1,478Qantas Airways

Fri, 22 Jan - Fri, 12 Feb

07:05 - 08:35

SAN

SYD

31h 30m

1 stop

11:20 - 17:59

SYD

SAN

25h 39m

1 stop

$1,504Air Canada

Wed, 28 Oct - Mon, 16 Nov

16:22 - 07:05

SAN

SYD

45h 43m

2 stops

21:25 - 22:59

SYD

SAN

18h 34m

1 stop

$1,531Multiple Airlines

Mon, 17 Aug - Tue, 25 Aug

07:05 - 09:35

SAN

SYD

31h 30m

1 stop

09:00 - 17:59

SYD

SAN

27h 59m

2 stops

$1,532Air Canada

Sun, 1 Nov - Wed, 11 Nov

14:19 - 06:25

SAN

SYD

23h 06m

1 stop

21:25 - 22:59

SYD

SAN

18h 34m

1 stop

$1,534Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

16:55 - 11:40

SAN

SYD

25h 45m

2 stops

09:20 - 16:12

SYD

SAN

23h 52m

1 stop

$1,537Air Canada

Tue, 8 Sep - Tue, 15 Sep

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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

$1,617

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

$1,627

Alaska Airlines

11 Aug

SAN17:16San Diego

32h 34m

1 stop

SYD18:50Sydney Kingsford Smith

3 Sept

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,638

American Airlines flights from San Diego to Sydney

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

American Airlines

8 Sept

SAN14:23San Diego

23h 32m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD12:00Sydney Kingsford Smith

23h 51m

1 stop

SAN18:51San Diego

$1,552

American Airlines

7 Sept

SAN06:20San Diego

31h 35m

1 stop

SYD06:55Sydney Kingsford Smith

16 Sept

SYD12:00Sydney Kingsford Smith

26h 48m

1 stop

SAN21:48San Diego

$1,565

American Airlines

7 Sept

SAN12:48San Diego

25h 42m

2 stops

SYD07:30Sydney Kingsford Smith

16 Sept

SYD09:10Sydney Kingsford Smith

26h 06m

2 stops

SAN18:16San Diego

$1,571

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 28/10

10:55-06:25

1 stop25h 30m

Sydney Kingsford Smith

Mon 16/11

17:50-12:11

2 stops37h 21m

$1,333

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 28/10

10:55-06:25

1 stop25h 30m

Sydney Kingsford Smith

Mon 16/11

17:50-12:11

2 stops37h 21m

$1,441

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 2/11

16:45-20:15

2 stops32h 30m

Sydney Kingsford Smith

Wed 18/11

12:25-13:04

2 stops43h 39m

$1,464

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 2/11

16:45-20:15

2 stops32h 30m

Sydney Kingsford Smith

Wed 18/11

12:25-13:04

2 stops43h 39m

$1,469

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 22/1

15:15-06:35

1 stop20h 20m

Sydney Kingsford Smith

Fri 12/2

17:50-12:47

2 stops37h 57m

$1,478

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 28/10

07:05-08:35

1 stop31h 30m

Sydney Kingsford Smith

Mon 16/11

11:20-17:59

1 stop25h 39m

$1,504

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 17/8

16:22-07:05

2 stops45h 43m

Sydney Kingsford Smith

Tue 25/8

21:25-22:59

1 stop18h 34m

$1,531

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/11

07:05-09:35

1 stop31h 30m

Sydney Kingsford Smith

Wed 11/11

09:00-17:59

2 stops27h 59m

$1,532

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 8/9

14:19-06:25

1 stop23h 06m

Sydney Kingsford Smith

Tue 15/9

21:25-22:59

1 stop18h 34m

$1,534

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 8/9

16:55-11:40

2 stops25h 45m

Sydney Kingsford Smith

Tue 15/9

09:20-16:12

1 stop23h 52m

$1,537

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 $1,360 to $1,866.
The lowest price recently found on this route was $1,333.

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 $1,175. If you aren’t able to travel to Sydney during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,375.

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 $1,684 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 $1,216 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 July 2026, prices for San Diego to Sydney flights are approximately 25% 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	17h 58m
Direct flights	None

The fastest flight from San Diego to Sydney takes 17h 58m

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 58m, 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.