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Cheap flights from Sydney to San Diego from $574

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to San Diego departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
6:15 am - 6:55 am
SAN
-
SYD
31h 40m
1 stop
$833American Airlines
Mon, Sep 7 - Wed, Sep 9
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
7:15 am - 6:55 am
SAN
-
SYD
30h 40m
1 stop
$835American Airlines
Mon, Sep 7 - Wed, Sep 9
Air Canada Logo
11:20 am - 1:04 pm
SYD
-
SAN
20h 44m
1 stop
Air Canada Logo
2:00 pm - 9:35 am
SAN
-
SYD
24h 35m
1 stop
$928Air Canada
Wed, Nov 18 - Mon, Nov 23
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
9:46 am - 6:55 am
SAN
-
SYD
28h 09m
2 stops
$946American Airlines
Mon, Sep 7 - Wed, Sep 9
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
6:19 am - 6:55 am
SAN
-
SYD
31h 36m
1 stop
$947American Airlines
Wed, Aug 26 - Sun, Aug 30
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
9:46 am - 6:55 am
SAN
-
SYD
28h 09m
2 stops
$948American Airlines
Mon, Sep 7 - Wed, Sep 9
Air Canada Logo
1:00 pm - 5:59 pm
SYD
-
SAN
47h 59m
2 stops
Air Canada Logo
2:00 pm - 9:35 am
SAN
-
SYD
24h 35m
1 stop
$952Air Canada
Wed, Nov 18 - Mon, Nov 23
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
9:40 am - 6:25 am
SAN
-
SYD
27h 45m
2 stops
$962American Airlines
Wed, Aug 26 - Sun, Aug 30
American Airlines Logo
9:10 am - 8:50 am
SYD
-
SAN
40h 40m
2 stops
American Airlines Logo
9:40 am - 6:25 am
SAN
-
SYD
27h 45m
2 stops
$963American Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
9:00 am - 1:04 pm
SYD
-
SAN
23h 04m
2 stops
Multiple Airlines Logo
2:00 pm - 2:40 pm
SAN
-
SYD
29h 40m
2 stops
$973Multiple Airlines
Wed, Nov 18 - Mon, Nov 23

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American Airlines flights from Sydney to San Diego

Our best American Airlines deals on Sydney to San Diego flight tickets
American Airlines
Sep 7
SYD9:10 amSydney Kingsford Smith
40h 40m
2 stops
SAN8:50 amSan Diego
Sep 9
SAN6:15 amSan Diego
31h 40m
1 stop
SYD6:55 amSydney Kingsford Smith
$833
American Airlines
Sep 7
SYD9:10 amSydney Kingsford Smith
40h 40m
2 stops
SAN8:50 amSan Diego
Sep 9
SAN7:15 amSan Diego
30h 40m
1 stop
SYD6:55 amSydney Kingsford Smith
$835
American Airlines
Sep 7
SYD9:10 amSydney Kingsford Smith
40h 40m
2 stops
SAN8:50 amSan Diego
Sep 9
SAN9:46 amSan Diego
28h 09m
2 stops
SYD6:55 amSydney Kingsford Smith
$946

Delta flights from Sydney to San Diego

Our best Delta deals on Sydney to San Diego flight tickets
Delta
Jul 31
SYD9:15 amSydney Kingsford Smith
22h 53m
1 stop
SAN3:08 pmSan Diego
Aug 9
SAN6:29 amSan Diego
31h 21m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,002
Delta
Aug 19
SYD9:15 amSydney Kingsford Smith
31h 39m
1 stop
SAN11:54 pmSan Diego
Sep 9
SAN3:00 pmSan Diego
22h 50m
1 stop
SYD6:50 amSydney Kingsford Smith
$1,005
Delta
Aug 14
SYD9:15 amSydney Kingsford Smith
31h 35m
2 stops
SAN11:50 pmSan Diego
Aug 21
SAN6:29 amSan Diego
31h 21m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,007

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 19, 2026.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:10 am-8:50 am

2 stops40h 40m

San Diego

Wed 9/9

6:15 am-6:55 am

1 stop31h 40m

$833

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:10 am-8:50 am

2 stops40h 40m

San Diego

Wed 9/9

7:15 am-6:55 am

1 stop30h 40m

$835
Quickest round-trip

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/18

11:20 am-1:04 pm

1 stop20h 44m

San Diego

Mon 11/23

2:00 pm-9:35 am

1 stop24h 35m

$928

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:10 am-8:50 am

2 stops40h 40m

San Diego

Wed 9/9

9:46 am-6:55 am

2 stops28h 09m

$946

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 8/26

9:10 am-8:50 am

2 stops40h 40m

San Diego

Sun 8/30

6:19 am-6:55 am

1 stop31h 36m

$947

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 9/7

9:10 am-8:50 am

2 stops40h 40m

San Diego

Wed 9/9

9:46 am-6:55 am

2 stops28h 09m

$948

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/18

1:00 pm-5:59 pm

2 stops47h 59m

San Diego

Mon 11/23

2:00 pm-9:35 am

1 stop24h 35m

$952

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 8/26

9:10 am-8:50 am

2 stops40h 40m

San Diego

Sun 8/30

9:40 am-6:25 am

2 stops27h 45m

$962

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 8/26

9:10 am-8:50 am

2 stops40h 40m

San Diego

Sun 8/30

9:40 am-6:25 am

2 stops27h 45m

$963

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 11/18

9:00 am-1:04 pm

2 stops23h 04m

San Diego

Mon 11/23

2:00 pm-2:40 pm

2 stops29h 40m

$973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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

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

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

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Sydney during the month August is also very affordable. Most momondo users find prices during this month for around $902.

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

You are more likely to see cheaper flights to San Diego from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,058 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Sydney for as low as $870 on momondo.

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

You could potentially save up to 22% on your flight if you consider stops on a Sydney to San Diego flight.

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

As of July 2026, prices for Sydney to San Diego flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Sydney to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Find info about flight duration, direct flights, and airports for your flight from Sydney to San Diego

Fastest flight time

18h 50m

Direct flights

None
The fastest flight from Sydney to San Diego takes 18h 50m
There are no direct flights from Sydney to San Diego. There are no popular flight routes from Sydney to San Diego.
Search flight deals

Frequently asked questions about flying from Sydney to San Diego

  • How far is Sydney Kingsford Smith to San Diego by plane?

    Sydney Kingsford Smith and San Diego are 7507.7 mi apart from one another. In terms of flight time, this usually takes a little over 18h 50m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to San Diego Airport?

    Prices for flights from Sydney Kingsford Smith Airport to San Diego Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to San Diego 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego 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 San Diego 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 Sydney to San Diego?

Best airlines flying from Sydney to San Diego

Compare and see reviews for airlines that fly from Sydney to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $834Free CancellationRating
7.8
8,476 reviews
Search Delta flights
United AirlinesPriceFrom $834Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to San Diego for you.

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

Flights from Sydney to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to San Diego?

momondo helps you find the best flight between Sydney and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sydney to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sydney to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Diego trip

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