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

Delta 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.

$906 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 $1,646 to $1,395. The lowest price recently found on this route was $1,526.

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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 - 11:50

SYD

SAN

19h 30m

1 stop

$1,526Air Canada

Mon, 8 Jun - Mon, 15 Jun

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

09:20 - 11:50

SYD

SAN

19h 30m

1 stop

$1,527Air Canada

Mon, 8 Jun - Mon, 15 Jun

12:30 - 07:20

SAN

SYD

25h 50m

1 stop

06:00 - 11:50

SYD

SAN

22h 50m

2 stops

$1,553Multiple Airlines

Mon, 8 Jun - Mon, 15 Jun

12:30 - 07:20

SAN

SYD

25h 50m

1 stop

06:00 - 11:53

SYD

SAN

22h 53m

2 stops

$1,555Multiple Airlines

Wed, 10 Jun - Wed, 24 Jun

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

07:30 - 11:50

SYD

SAN

21h 20m

2 stops

$1,563Air Canada

Tue, 26 May - Tue, 2 Jun

16:55 - 10:40

SAN

SYD

24h 45m

2 stops

06:00 - 11:50

SYD

SAN

22h 50m

2 stops

$1,584Multiple Airlines

Mon, 8 Jun - Mon, 15 Jun

12:30 - 10:40

SAN

SYD

29h 10m

2 stops

06:00 - 11:53

SYD

SAN

22h 53m

2 stops

$1,585Multiple Airlines

Wed, 10 Jun - Wed, 24 Jun

16:55 - 07:20

SAN

SYD

21h 25m

1 stop

06:00 - 11:53

SYD

SAN

22h 53m

2 stops

$1,588Multiple Airlines

Wed, 27 May - Tue, 30 Jun

19:41 - 06:55

SAN

SYD

18h 14m

1 stop

10:20 - 14:08

SYD

SAN

20h 48m

1 stop

$1,595United Airlines

Wed, 22 Jul - Sun, 9 Aug

09:54 - 06:55

SAN

SYD

28h 01m

1 stop

12:00 - 23:59

SYD

SAN

28h 59m

1 stop

$1,596American Airlines

Wed, 27 May - Tue, 30 Jun

Alaska Airlines flights from San Diego to Sydney

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

Alaska Airlines

13 Oct

SAN17:17San Diego

31h 33m

1 stop

SYD18:50Sydney Kingsford Smith

20 Oct

SYD20:45Sydney Kingsford Smith

17h 54m

1 stop

SAN20:39San Diego

$1,613

Alaska Airlines

17 Sept

SAN17:15San Diego

32h 35m

1 stop

SYD18:50Sydney Kingsford Smith

20 Sept

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,639

Alaska Airlines

26 Aug

SAN17:15San Diego

32h 35m

1 stop

SYD18:50Sydney Kingsford Smith

1 Sept

SYD20:45Sydney Kingsford Smith

17h 14m

1 stop

SAN20:59San Diego

$1,640

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 May

SAN16:09San Diego

21h 46m

1 stop

SYD06:55Sydney Kingsford Smith

8 June

SYD10:20Sydney Kingsford Smith

18h 31m

1 stop

SAN11:51San Diego

$1,599

Air New Zealand

27 May

SAN13:39San Diego

24h 16m

1 stop

SYD06:55Sydney Kingsford Smith

30 June

SYD09:30Sydney Kingsford Smith

17h 38m

1 stop

SAN10:08San Diego

$1,600

Air New Zealand

25 May

SAN16:09San Diego

21h 51m

2 stops

SYD07:00Sydney Kingsford Smith

8 June

SYD10:20Sydney Kingsford Smith

18h 31m

1 stop

SAN11:51San Diego

$1,606

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Mon 15/6

09:20-11:50

1 stop19h 30m

$1,526

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/6

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Mon 15/6

09:20-11:50

1 stop19h 30m

$1,527

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/6

12:30-07:20

1 stop25h 50m

Sydney Kingsford Smith

Mon 15/6

06:00-11:50

2 stops22h 50m

$1,553

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/6

12:30-07:20

1 stop25h 50m

Sydney Kingsford Smith

Wed 24/6

06:00-11:53

2 stops22h 53m

$1,555

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 26/5

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Tue 2/6

07:30-11:50

2 stops21h 20m

$1,563

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/6

16:55-10:40

2 stops24h 45m

Sydney Kingsford Smith

Mon 15/6

06:00-11:50

2 stops22h 50m

$1,584

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/6

12:30-10:40

2 stops29h 10m

Sydney Kingsford Smith

Wed 24/6

06:00-11:53

2 stops22h 53m

$1,585

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 27/5

16:55-07:20

1 stop21h 25m

Sydney Kingsford Smith

Tue 30/6

06:00-11:53

2 stops22h 53m

$1,588

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 22/7

19:41-06:55

1 stop18h 14m

Sydney Kingsford Smith

Sun 9/8

10:20-14:08

1 stop20h 48m

$1,595

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 27/5

09:54-06:55

1 stop28h 01m

Sydney Kingsford Smith

Tue 30/6

12:00-23:59

1 stop28h 59m

$1,596

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 $1,124. 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 $1,342.

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 $1,557 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 $989 on momondo.

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

You could potentially save up to 30% 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 9% 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.

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Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

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Cronulla

Randwick

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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.