Which layover airport offers the lowest fares from San Diego to Sydney?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,028.

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

ANA and Alaska Airlines are the most popular carriers operating from San Diego to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Delta and Air New Zealand are the top three most popular airlines that fly to Sydney from San Diego according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from San Diego to Sydney?

San Francisco (SFO) has the shortest average layover time for this route: 2h 00m.

Which airport is the most popular layover for flights between San Diego and Sydney?

Los Angeles (LAX) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from San Diego to Sydney?

Flights connecting via Los Angeles (LAX) have the shortest average one-way travel time: 18h 03m.

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 refresh daily.

How many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?

There are 4 operators available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of September 2026.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$559 Cheap Flights from San Diego to Sydney in 2026/27

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Find the cheapest flights from San Diego to Sydney

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10:56 am - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

26h 39m2 stops San Francisco Auckland Intl

9:55 am - 6:38 pmSYD Sydney Kingsford Smith-SAN San Diego

27h 43m2 stops Auckland Intl San Francisco

$941Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

11:00 am - 8:35 amSAN San Diego-SYD Sydney Kingsford Smith

26h 35m2 stops Los Angeles Auckland Intl

2:05 pm - 5:29 pmSYD Sydney Kingsford Smith-SAN San Diego

21h 24m2 stops Auckland Intl Los Angeles

$1,017Air New Zealand

Wed, Mar 10 - Wed, Mar 17

2:30 pm - 10:35 amSAN San Diego-SYD Sydney Kingsford Smith

25h 05m2 stops Los Angeles Auckland Intl

11:50 am - 5:29 pmSYD Sydney Kingsford Smith-SAN San Diego

24h 39m2 stops Auckland Intl Los Angeles

$1,017Air New Zealand

Wed, Feb 10 - Wed, Feb 17

11:00 am - 7:45 pmSAN San Diego-SYD Sydney Kingsford Smith

37h 45m1 stop Honolulu

9:40 pm - 8:08 pmSYD Sydney Kingsford Smith-SAN San Diego

17h 28m1 stop Honolulu

$1,085Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

1:31 pm - 9:20 amSAN San Diego-SYD Sydney Kingsford Smith

24h 49m1 stop San Francisco

11:50 am - 12:27 pmSYD Sydney Kingsford Smith-SAN San Diego

19h 37m1 stop San Francisco

$1,309United Airlines

Wed, Nov 18 - Wed, Dec 9

1:31 pm - 9:20 amSAN San Diego-SYD Sydney Kingsford Smith

24h 49m1 stop San Francisco

11:50 am - 12:27 pmSYD Sydney Kingsford Smith-SAN San Diego

19h 37m1 stop San Francisco

$1,309United Airlines

Tue, Nov 17 - Wed, Dec 9

9:43 am - 8:30 amSAN San Diego-SYD Sydney Kingsford Smith

27h 47m2 stops Salt Lake City Los Angeles

10:40 am - 12:29 pmSYD Sydney Kingsford Smith-SAN San Diego

20h 49m2 stops Los Angeles Salt Lake City

$1,314Delta

Mon, Nov 16 - Tue, Dec 8

1:31 pm - 8:30 amSAN San Diego-SYD Sydney Kingsford Smith

23h 59m2 stops Salt Lake City Los Angeles

10:40 am - 6:06 pmSYD Sydney Kingsford Smith-SAN San Diego

26h 26m2 stops Los Angeles Salt Lake City

$1,314Delta

Tue, Nov 17 - Tue, Dec 8

4:45 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

21h 50m1 stop Vancouver Intl

11:20 am - 12:00 pmSYD Sydney Kingsford Smith-SAN San Diego

43h 40m2 stops Vancouver Intl Toronto Pearson Intl

$2,272Air Canada

Mon, Nov 2 - Thu, Nov 5

2:00 pm - 9:35 amSAN San Diego-SYD Sydney Kingsford Smith

24h 35m1 stop Vancouver Intl

11:20 am - 1:04 pmSYD Sydney Kingsford Smith-SAN San Diego

44h 44m1 stop Vancouver Intl

$2,301Air Canada

Sat, Feb 27 - Wed, Mar 3

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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

Oct 27

SAN8:40 amSan Diego

41h 05m

1 stop

SYD7:45 pmSydney Kingsford Smith

Nov 7

SYD9:40 pmSydney Kingsford Smith

17h 28m

1 stop

SAN8:08 pmSan Diego

$1,120

Alaska Airlines

Mar 12

SAN8:10 amSan Diego

40h 35m

1 stop

SYD7:45 pmSydney Kingsford Smith

Mar 16

SYD9:40 pmSydney Kingsford Smith

17h 19m

1 stop

SAN8:59 pmSan Diego

$1,172

Alaska Airlines

Mar 9

SAN5:35 pmSan Diego

31h 10m

1 stop

SYD7:45 pmSydney Kingsford Smith

Mar 16

SYD9:40 pmSydney Kingsford Smith

17h 19m

1 stop

SAN8:59 pmSan Diego

$1,179

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

Dec 29

SAN4:45 pmSan Diego

22h 50m

2 stops

SYD10:35 amSydney Kingsford Smith

Jan 12

SYD11:50 amSydney Kingsford Smith

24h 37m

2 stops

SAN5:27 pmSan Diego

$1,017

Air New Zealand

Jan 24

SAN6:28 pmSan Diego

43h 07m

2 stops

SYD8:35 amSydney Kingsford Smith

Jan 31

SYD9:55 amSydney Kingsford Smith

28h 52m

2 stops

SAN7:47 pmSan Diego

$1,026

Air New Zealand

Nov 13

SAN4:45 pmSan Diego

22h 50m

2 stops

SYD10:35 amSydney Kingsford Smith

Nov 18

SYD2:05 pmSydney Kingsford Smith

22h 12m

2 stops

SAN5:17 pmSan Diego

$1,063

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Thu 11/5

10:56 am-8:35 am

2 stops26h 39m

Sydney Kingsford Smith

Thu 11/12

9:55 am-6:38 pm

2 stops27h 43m

$941

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 3/10

11:00 am-8:35 am

2 stops26h 35m

Sydney Kingsford Smith

Wed 3/17

2:05 pm-5:29 pm

2 stops21h 24m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 2/10

2:30 pm-10:35 am

2 stops25h 05m

Sydney Kingsford Smith

Wed 2/17

11:50 am-5:29 pm

2 stops24h 39m

$1,017

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sun 11/1

11:00 am-7:45 pm

1 stop37h 45m

Sydney Kingsford Smith

Sun 11/15

9:40 pm-8:08 pm

1 stop17h 28m

$1,085

Quickest round-trip

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Wed 11/18

1:31 pm-9:20 am

1 stop24h 49m

Sydney Kingsford Smith

Wed 12/9

11:50 am-12:27 pm

1 stop19h 37m

$1,309

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 11/17

1:31 pm-9:20 am

1 stop24h 49m

Sydney Kingsford Smith

Wed 12/9

11:50 am-12:27 pm

1 stop19h 37m

$1,309

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 11/16

9:43 am-8:30 am

2 stops27h 47m

Sydney Kingsford Smith

Tue 12/8

10:40 am-12:29 pm

2 stops20h 49m

$1,314

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Tue 11/17

1:31 pm-8:30 am

2 stops23h 59m

Sydney Kingsford Smith

Tue 12/8

10:40 am-6:06 pm

2 stops26h 26m

$1,314

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Mon 11/2

4:45 pm-9:35 am

1 stop21h 50m

Sydney Kingsford Smith

Thu 11/5

11:20 am-12:00 pm

2 stops43h 40m

$2,272

San DiegoSydney

SAN San Diego - SYD Sydney Kingsford Smith

SANSYD

San Diego

Sat 2/27

2:00 pm-9:35 am

1 stop24h 35m

Sydney Kingsford Smith

Wed 3/3

11:20 am-1:04 pm

1 stop44h 44m

$2,301

Flights are sorted by cheapest round-trip 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

Layovers

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 $1,128 to $1,565.
The lowest price recently found on this route was $941.

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from San Diego to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,086. If you are unable to visit Sydney during the month of April, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around $1,091.

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 $1,264 when searching weeks out. 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 $1,001 on momondo.

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

You could potentially save up to 10% 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 September 2026, prices for San Diego to Sydney flights are approximately 29% 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 round-trip 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

Best Price Found	$559
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Sydney from San Diego in the past 72 hours is $559. The best round-trip flight deal from San Diego to Sydney found on momondo in the last 72 hours is $941.

The fastest flight from San Diego to Sydney takes 22h 50m

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?
Sydney Kingsford Smith is 7507.7 mi away from San Diego. In terms of flight time, this usually takes a little over 22h 50m.
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 refresh daily.
How many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?
There are 4 operators available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of September 2026.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Diego to Sydney?
Based on momondo bookings for flights between San Diego and Sydney, the leading airline is United Airlines, making up 51% of the total bookings. Other popular airlines include Delta with 19%, Air New Zealand with 16%, and Air Canada with 14%.

Best airlines flying from San Diego to Sydney

Compare and see reviews for airlines that fly from San Diego to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $737	Free Cancellation	Rating 7.1 11,668 reviews	Search Air Canada flights
United Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
Delta	PriceFrom $952	Free Cancellation	Rating 7.8 8,592 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,075	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Sydney?

It is quick and easy to find San Diego to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from San Diego to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from San Diego with this policy.

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?

Yes. momondo can track prices for San Diego to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Diego to Sydney from $559

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Sydney departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from San Diego to Sydney

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

Air New Zealand flights from San Diego to Sydney

Our best Air New Zealand deals on San Diego to Sydney flight tickets

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How to get the cheapest flight ticket from San Diego to Sydney

What is the typical price of a round-trip flight between San Diego and Sydney?

What is the cheapest month to fly to Sydney?

How far in advance should I book a flight from San Diego to Sydney?

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

How have San Diego to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

Which airport is the most popular layover for flights between San Diego and Sydney?

Which layover airport offers the lowest fares from San Diego to Sydney?

Which layover airport has the shortest travel time from San Diego to Sydney?

Which layover airport has the shortest connection time from San Diego to Sydney?

When to book flights from San Diego to Sydney

Cheap San Diego to Sydney (SAN to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Sydney

Best airlines flying from San Diego to Sydney

Compare and see reviews for airlines that fly from San Diego to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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