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

Alaska Airlines 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.

$758 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 $1,856 to $1,350. The lowest price recently found on this route was $1,593.

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.

17:35 - 19:45

SAN

SYD

31h 10m

1 stop

21:40 - 20:25

SYD

SAN

17h 45m

1 stop

$1,593Alaska Airlines

Tue, 17 Nov - Sun, 6 Dec

17:15 - 18:50

SAN

SYD

32h 35m

1 stop

20:45 - 06:52

SYD

SAN

27h 07m

1 stop

$1,598Multiple Airlines

Fri, 28 Aug - Tue, 8 Sep

12:35 - 10:40

SAN

SYD

29h 05m

2 stops

09:20 - 20:58

SYD

SAN

28h 38m

1 stop

$1,605Air Canada

Mon, 3 Aug - Tue, 18 Aug

08:35 - 18:50

SAN

SYD

40h 15m

1 stop

20:45 - 20:39

SYD

SAN

17h 54m

1 stop

$1,613Alaska Airlines

Tue, 13 Oct - Tue, 20 Oct

15:57 - 18:50

SAN

SYD

33h 53m

1 stop

20:45 - 06:32

SYD

SAN

26h 47m

1 stop

$1,615Multiple Airlines

Tue, 28 Jul - Tue, 4 Aug

17:00 - 10:40

SAN

SYD

24h 40m

2 stops

06:00 - 11:53

SYD

SAN

22h 53m

2 stops

$1,617Multiple Airlines

Mon, 3 Aug - Tue, 18 Aug

21:27 - 06:25

SAN

SYD

39h 58m

1 stop

21:25 - 19:00

SYD

SAN

38h 35m

1 stop

$1,619Multiple Airlines

Mon, 3 Aug - Tue, 18 Aug

20:32 - 07:00

SAN

SYD

17h 28m

1 stop

09:30 - 10:08

SYD

SAN

17h 38m

1 stop

$1,620Air New Zealand

Mon, 6 Jul - Tue, 21 Jul

16:32 - 06:55

SAN

SYD

21h 23m

1 stop

12:00 - 15:39

SYD

SAN

20h 39m

1 stop

$1,622American Airlines

Mon, 27 Jul - Mon, 3 Aug

18:27 - 06:55

SAN

SYD

19h 28m

1 stop

09:30 - 10:08

SYD

SAN

17h 38m

1 stop

$1,624Air New Zealand

Tue, 28 Jul - Tue, 4 Aug

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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

17 Nov

SAN17:35San Diego

31h 10m

1 stop

SYD19:45Sydney Kingsford Smith

6 Dec

SYD21:40Sydney Kingsford Smith

17h 45m

1 stop

SAN20:25San Diego

$1,593

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

$1,613

Alaska Airlines

18 Nov

SAN08:05San Diego

40h 40m

1 stop

SYD19:45Sydney Kingsford Smith

1 Dec

SYD21:40Sydney Kingsford Smith

17h 45m

1 stop

SAN20:25San Diego

$1,695

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

6 July

SAN20:32San Diego

17h 28m

1 stop

SYD07:00Sydney Kingsford Smith

21 July

SYD09:30Sydney Kingsford Smith

17h 38m

1 stop

SAN10:08San Diego

$1,620

Air New Zealand

28 July

SAN18:27San Diego

19h 28m

1 stop

SYD06:55Sydney Kingsford Smith

4 Aug

SYD09:30Sydney Kingsford Smith

17h 38m

1 stop

SAN10:08San Diego

$1,624

Air New Zealand

6 July

SAN20:32San Diego

17h 28m

1 stop

SYD07:00Sydney Kingsford Smith

21 July

SYD09:30Sydney Kingsford Smith

23h 37m

2 stops

SAN16:07San Diego

$1,643

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 17/11

17:35-19:45

1 stop31h 10m

Sydney Kingsford Smith

Sun 6/12

21:40-20:25

1 stop17h 45m

$1,593

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 28/8

17:15-18:50

1 stop32h 35m

Sydney Kingsford Smith

Tue 8/9

20:45-06:52

1 stop27h 07m

$1,598

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/8

12:35-10:40

2 stops29h 05m

Sydney Kingsford Smith

Tue 18/8

09:20-20:58

1 stop28h 38m

$1,605

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

$1,613

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 28/7

15:57-18:50

1 stop33h 53m

Sydney Kingsford Smith

Tue 4/8

20:45-06:32

1 stop26h 47m

$1,614

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/8

17:00-10:40

2 stops24h 40m

Sydney Kingsford Smith

Tue 18/8

06:00-11:53

2 stops22h 53m

$1,617

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/8

21:27-06:25

1 stop39h 58m

Sydney Kingsford Smith

Tue 18/8

21:25-19:00

1 stop38h 35m

$1,619

Fastest return journey

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/7

20:32-07:00

1 stop17h 28m

Sydney Kingsford Smith

Tue 21/7

09:30-10:08

1 stop17h 38m

$1,620

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 27/7

16:32-06:55

1 stop21h 23m

Sydney Kingsford Smith

Mon 3/8

12:00-15:39

1 stop20h 39m

$1,622

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 28/7

18:27-06:55

1 stop19h 28m

Sydney Kingsford Smith

Tue 4/8

09:30-10:08

1 stop17h 38m

$1,624

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 $1,160. 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 $1,357.

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 $1,628 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 $1,104 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 June 2026, 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	22h 51m
Direct flights	None

The fastest flight from San Diego to Sydney takes 22h 51m

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 22h 51m, 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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Lithgow

Manly

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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.