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Cheap flights from San Diego to Sydney from $512

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 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Diego to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
9:20 am - 11:50 am
SYD
-
SAN
19h 30m
1 stop
$1,061Air Canada
Mon, May 25 - Sun, Jun 7
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
9:20 am - 11:53 am
SYD
-
SAN
19h 33m
1 stop
$1,062Air Canada
Fri, Jun 26 - Sun, Jul 12
Air Canada Logo
8:10 am - 7:20 am
SAN
-
SYD
30h 10m
1 stop
Air Canada Logo
9:20 am - 8:55 pm
SYD
-
SAN
28h 35m
1 stop
$1,064Air Canada
Thu, May 28 - Wed, Jun 10
Air Canada Logo
8:10 am - 7:20 am
SAN
-
SYD
30h 10m
1 stop
Air Canada Logo
9:20 am - 4:15 pm
SYD
-
SAN
23h 55m
1 stop
$1,065Air Canada
Thu, May 28 - Wed, Jun 10
Air Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
9:20 am - 8:55 pm
SYD
-
SAN
28h 35m
1 stop
$1,071Air Canada
Wed, May 27 - Wed, Jun 10
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
9:20 am - 11:47 am
SYD
-
SAN
19h 27m
1 stop
$1,072Air Canada
Sun, Sep 6 - Wed, Sep 23
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
6:00 am - 11:50 am
SYD
-
SAN
22h 50m
2 stops
$1,081Multiple Airlines
Thu, May 28 - Wed, Jun 10
Air Canada Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Air Canada Logo
7:00 am - 11:50 am
SYD
-
SAN
21h 50m
2 stops
$1,084Air Canada
Thu, May 28 - Wed, Jun 10
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
7:00 am - 11:47 am
SYD
-
SAN
21h 47m
2 stops
$1,087Air Canada
Sun, Sep 6 - Wed, Sep 23
Air Canada Logo
8:15 am - 7:20 am
SAN
-
SYD
30h 05m
1 stop
Air Canada Logo
7:00 am - 8:58 pm
SYD
-
SAN
30h 58m
2 stops
$1,088Air Canada
Wed, Aug 26 - Tue, Sep 1

Air Canada flights from San Diego to Sydney

Our best Air Canada deals on San Diego to Sydney flight tickets
Air Canada
May 25
SAN4:55 pmSan Diego
21h 25m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 7
SYD9:20 amSydney Kingsford Smith
19h 30m
1 stop
SAN11:50 amSan Diego
$1,061
Air Canada
Jun 26
SAN8:15 amSan Diego
30h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Jul 12
SYD9:20 amSydney Kingsford Smith
19h 33m
1 stop
SAN11:53 amSan Diego
$1,062
Air Canada
May 28
SAN8:10 amSan Diego
30h 10m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 10
SYD9:20 amSydney Kingsford Smith
28h 35m
1 stop
SAN8:55 pmSan Diego
$1,064

Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets
Alaska Airlines
Apr 28
SAN5:10 pmSan Diego
32h 40m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 10
SYD8:45 pmSydney Kingsford Smith
17h 10m
1 stop
SAN8:55 pmSan Diego
$1,171
Alaska Airlines
Apr 28
SAN5:10 pmSan Diego
32h 40m
1 stop
SYD6:50 pmSydney Kingsford Smith
May 14
SYD8:45 pmSydney Kingsford Smith
17h 10m
1 stop
SAN8:55 pmSan Diego
$1,221

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Sydney 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 April 10, 2026.
Use the filters below to find and compare flights from San Diego to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 5/25

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Sun 6/7

9:20 am-11:50 am

1 stop19h 30m

$1,061

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 6/26

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Sun 7/12

9:20 am-11:53 am

1 stop19h 33m

$1,062

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/28

8:10 am-7:20 am

1 stop30h 10m

Sydney Kingsford Smith

Wed 6/10

9:20 am-8:55 pm

1 stop28h 35m

$1,064

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/28

8:10 am-7:20 am

1 stop30h 10m

Sydney Kingsford Smith

Wed 6/10

9:20 am-4:15 pm

1 stop23h 55m

$1,065

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 5/27

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/10

9:20 am-8:55 pm

1 stop28h 35m

$1,071

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/6

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Wed 9/23

9:20 am-11:47 am

1 stop19h 27m

$1,072

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/28

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/10

6:00 am-11:50 am

2 stops22h 50m

$1,081

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 5/28

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

Wed 6/10

7:00 am-11:50 am

2 stops21h 50m

$1,084

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/6

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Wed 9/23

7:00 am-11:47 am

2 stops21h 47m

$1,087

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/26

8:15 am-7:20 am

1 stop30h 05m

Sydney Kingsford Smith

Tue 9/1

7:00 am-8:58 pm

2 stops30h 58m

$1,088

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 Sydney from

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

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

What is the cheapest month to fly to Sydney?

In general, November 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 $986. If you are unable to visit Sydney during the month of November, then departing from San Diego during the month August is also very affordable. Most momondo users find prices during this month for around $992.

How far in advance should I book a flight 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 $1,155 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 $746 on momondo.

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

You could potentially save up to 25% 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 April 2026, prices for San Diego to Sydney flights are approximately 1% more expensive 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

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from San Diego to Sydney takes 21h 25m
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 21h 25m.

  • 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?

  • 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?

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
Hawaiian AirlinesPriceFrom $550Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $748Free CancellationRating
7.9
12,198 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $758Free CancellationRating
7.1
10,910 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,564 reviews
Search American Airlines flights
United AirlinesPriceFrom $857Free CancellationRating
7.4
9,556 reviews
Search United Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,393 reviews
Search Delta flights
Air New ZealandPriceFrom $1,008Free CancellationRating
8.0
626 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Penrith
Randwick
Coogee
Leura
Lithgow
Manly
Cronulla
Charlestown
Terrigal
Swansea

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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