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

ANA, Alaska Airlines, and American 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.

$739 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 $1,588 to $1,798. The lowest price recently found on this route was $1,468.

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.

16:45 - 20:15

SAN

SYD

32h 30m

2 stops

12:25 - 13:04

SYD

SAN

43h 39m

2 stops

$1,468Multiple Airlines

Mon, 2 Nov - Wed, 18 Nov

15:57 - 18:50

SAN

SYD

33h 53m

1 stop

20:45 - 06:32

SYD

SAN

26h 47m

1 stop

$1,510Multiple Airlines

Sun, 26 Jul - Sun, 9 Aug

17:16 - 18:50

SAN

SYD

32h 34m

1 stop

20:45 - 06:32

SYD

SAN

26h 47m

1 stop

$1,565Multiple Airlines

Sun, 9 Aug - Sun, 16 Aug

17:16 - 18:50

SAN

SYD

32h 34m

1 stop

20:45 - 16:01

SYD

SAN

36h 16m

1 stop

$1,566Alaska Airlines

Sun, 9 Aug - Sun, 16 Aug

17:16 - 18:50

SAN

SYD

32h 34m

1 stop

20:45 - 16:01

SYD

SAN

36h 16m

1 stop

$1,570Alaska Airlines

Sun, 9 Aug - Sun, 16 Aug

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,583Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,598Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,599Alaska Airlines

Tue, 13 Oct - Thu, 22 Oct

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,603Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,605Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

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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

9 Aug

SAN17:16San Diego

32h 34m

1 stop

SYD18:50Sydney Kingsford Smith

16 Aug

SYD20:45Sydney Kingsford Smith

36h 16m

1 stop

SAN16:01San Diego

$1,566

Alaska Airlines

9 Aug

SAN17:16San Diego

32h 34m

1 stop

SYD18:50Sydney Kingsford Smith

16 Aug

SYD20:45Sydney Kingsford Smith

36h 16m

1 stop

SAN16:01San Diego

$1,570

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

$1,583

American Airlines flights from San Diego to Sydney

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

American Airlines

9 Aug

SAN16:22San Diego

22h 08m

2 stops

SYD07:30Sydney Kingsford Smith

16 Aug

SYD09:10Sydney Kingsford Smith

26h 08m

2 stops

SAN18:18San Diego

$1,707

American Airlines

9 Aug

SAN18:40San Diego

46h 50m

2 stops

SYD10:30Sydney Kingsford Smith

16 Aug

SYD22:00Sydney Kingsford Smith

37h 54m

2 stops

SAN18:54San Diego

$1,747

American Airlines

14 July

SAN12:46San Diego

25h 44m

2 stops

SYD07:30Sydney Kingsford Smith

15 Aug

SYD09:10Sydney Kingsford Smith

26h 08m

2 stops

SAN18:18San Diego

$2,304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

$1,468

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 26/7

15:57-18:50

1 stop33h 53m

Sydney Kingsford Smith

Sun 9/8

20:45-06:32

1 stop26h 47m

$1,510

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/8

17:16-18:50

1 stop32h 34m

Sydney Kingsford Smith

Sun 16/8

20:45-06:32

1 stop26h 47m

$1,565

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/8

17:16-18:50

1 stop32h 34m

Sydney Kingsford Smith

Sun 16/8

20:45-16:01

1 stop36h 16m

$1,566

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/8

17:16-18:50

1 stop32h 34m

Sydney Kingsford Smith

Sun 16/8

20:45-16:01

1 stop36h 16m

$1,570

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 13/10

08:35-18:50

1 stop40h 15m

Sydney Kingsford Smith

Tue 20/10

20:45-20:39

1 stop17h 54m

$1,583

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 13/10

08:35-18:50

1 stop40h 15m

Sydney Kingsford Smith

Tue 20/10

20:45-20:39

1 stop17h 54m

$1,598

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 13/10

08:35-18:50

1 stop40h 15m

Sydney Kingsford Smith

Thu 22/10

20:45-20:39

1 stop17h 54m

$1,599

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 13/10

08:35-18:50

1 stop40h 15m

Sydney Kingsford Smith

Tue 20/10

20:45-20:39

1 stop17h 54m

$1,603

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 13/10

08:35-18:50

1 stop40h 15m

Sydney Kingsford Smith

Tue 20/10

20:45-20:39

1 stop17h 54m

$1,605

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 $1,179. 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 $1,369.

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 $1,639 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 $1,220 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 26% 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	25h 36m
Direct flights	None

The fastest flight from San Diego to Sydney takes 25h 36m

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 25h 36m, 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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Manly

Coogee

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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.