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Cheap flights from San Diego to Sydney from $527

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 8/15. 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 San Diego to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:16 pm - 6:50 pm
SAN
-
SYD
32h 34m
1 stop
Multiple Airlines Logo
8:45 pm - 6:52 am
SYD
-
SAN
27h 07m
1 stop
$1,071Multiple Airlines
Sun, Aug 9 - Sun, Aug 23
Multiple Airlines Logo
3:57 pm - 6:50 pm
SAN
-
SYD
33h 53m
1 stop
Multiple Airlines Logo
8:45 pm - 6:52 am
SYD
-
SAN
27h 07m
1 stop
$1,077Multiple Airlines
Sun, Aug 9 - Sun, Aug 23
Multiple Airlines Logo
5:16 pm - 6:50 pm
SAN
-
SYD
32h 34m
1 stop
Multiple Airlines Logo
8:45 pm - 6:52 am
SYD
-
SAN
27h 07m
1 stop
$1,080Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:16 pm - 6:50 pm
SAN
-
SYD
32h 34m
1 stop
Multiple Airlines Logo
8:45 pm - 6:32 am
SYD
-
SAN
26h 47m
1 stop
$1,086Multiple Airlines
Sun, Jul 26 - Sun, Aug 9
Multiple Airlines Logo
3:57 pm - 6:50 pm
SAN
-
SYD
33h 53m
1 stop
Multiple Airlines Logo
8:45 pm - 6:52 am
SYD
-
SAN
27h 07m
1 stop
$1,095Multiple Airlines
Sun, Aug 9 - Sun, Aug 23
Multiple Airlines Logo
3:57 pm - 6:50 pm
SAN
-
SYD
33h 53m
1 stop
Multiple Airlines Logo
8:45 pm - 6:52 am
SYD
-
SAN
27h 07m
1 stop
$1,127Multiple Airlines
Tue, Aug 4 - Fri, Aug 21
Multiple Airlines Logo
12:30 pm - 6:50 pm
SAN
-
SYD
37h 20m
1 stop
Multiple Airlines Logo
8:45 pm - 8:59 pm
SYD
-
SAN
17h 14m
1 stop
$1,133Multiple Airlines
Tue, Sep 1 - Sun, Sep 20
American Airlines Logo
2:23 pm - 6:55 am
SAN
-
SYD
23h 32m
1 stop
American Airlines Logo
12:00 pm - 9:03 pm
SYD
-
SAN
26h 03m
1 stop
$1,174American Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:32 pm - 7:00 am
SAN
-
SYD
17h 28m
1 stop
United Airlines Logo
10:20 am - 7:55 pm
SYD
-
SAN
26h 35m
2 stops
$1,176United Airlines
Sun, Aug 9 - Sun, Aug 23
United Airlines Logo
6:28 pm - 6:55 am
SAN
-
SYD
19h 27m
1 stop
United Airlines Logo
9:30 am - 1:44 pm
SYD
-
SAN
21h 14m
2 stops
$1,179United Airlines
Sun, Aug 16 - Sun, Aug 23

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American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
Aug 12
SAN2:23 pmSan Diego
23h 32m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 19
SYD12:00 pmSydney Kingsford Smith
26h 03m
1 stop
SAN9:03 pmSan Diego
$1,174
American Airlines
Aug 12
SAN12:48 pmSan Diego
25h 17m
2 stops
SYD7:05 amSydney Kingsford Smith
Aug 19
SYD12:00 pmSydney Kingsford Smith
23h 54m
1 stop
SAN6:54 pmSan Diego
$1,187
American Airlines
Aug 9
SAN6:40 pmSan Diego
46h 50m
2 stops
SYD10:30 amSydney Kingsford Smith
Aug 23
SYD9:10 amSydney Kingsford Smith
23h 16m
2 stops
SAN3:26 pmSan Diego
$1,189

United Airlines flights from San Diego to Sydney

Our best United Airlines deals on San Diego to Sydney flight tickets
United Airlines
Aug 9
SAN8:32 pmSan Diego
17h 28m
1 stop
SYD7:00 amSydney Kingsford Smith
Aug 23
SYD10:20 amSydney Kingsford Smith
26h 35m
2 stops
SAN7:55 pmSan Diego
$1,176
United Airlines
Aug 16
SAN6:28 pmSan Diego
19h 27m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 23
SYD9:30 amSydney Kingsford Smith
21h 14m
2 stops
SAN1:44 pmSan Diego
$1,179
United Airlines
Jul 26
SAN7:41 pmSan Diego
18h 14m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 9
SYD9:30 amSydney Kingsford Smith
21h 38m
2 stops
SAN2:08 pmSan Diego
$1,180

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 July 2, 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

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/9

5:16 pm-6:50 pm

1 stop32h 34m

Sydney Kingsford Smith

Sun 8/23

8:45 pm-6:52 am

1 stop27h 07m

$1,071

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/9

3:57 pm-6:50 pm

1 stop33h 53m

Sydney Kingsford Smith

Sun 8/23

8:45 pm-6:52 am

1 stop27h 07m

$1,077

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/16

5:16 pm-6:50 pm

1 stop32h 34m

Sydney Kingsford Smith

Sun 8/23

8:45 pm-6:52 am

1 stop27h 07m

$1,080

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 7/26

5:16 pm-6:50 pm

1 stop32h 34m

Sydney Kingsford Smith

Sun 8/9

8:45 pm-6:32 am

1 stop26h 47m

$1,086

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/9

3:57 pm-6:50 pm

1 stop33h 53m

Sydney Kingsford Smith

Sun 8/23

8:45 pm-6:52 am

1 stop27h 07m

$1,095

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 8/4

3:57 pm-6:50 pm

1 stop33h 53m

Sydney Kingsford Smith

Fri 8/21

8:45 pm-6:52 am

1 stop27h 07m

$1,127

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 9/1

12:30 pm-6:50 pm

1 stop37h 20m

Sydney Kingsford Smith

Sun 9/20

8:45 pm-8:59 pm

1 stop17h 14m

$1,133

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/12

2:23 pm-6:55 am

1 stop23h 32m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-9:03 pm

1 stop26h 03m

$1,174

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/9

8:32 pm-7:00 am

1 stop17h 28m

Sydney Kingsford Smith

Sun 8/23

10:20 am-7:55 pm

2 stops26h 35m

$1,176
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 8/16

6:28 pm-6:55 am

1 stop19h 27m

Sydney Kingsford Smith

Sun 8/23

9:30 am-1:44 pm

2 stops21h 14m

$1,179

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, 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 $820. If you are unable to visit Sydney during the month of April, then departing from San Diego during the month August is also very affordable. Most momondo users find prices during this month for around $952.

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 $1,140 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 $808 on momondo.

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

As of July 2026, prices for San Diego to Sydney flights are approximately 39% 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

Fastest flight time

17h 28m

Direct flights

None
The fastest flight from San Diego to Sydney takes 17h 28m
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 17h 28m.

  • 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
Air CanadaPriceFrom $758Free CancellationRating
7.1
11,291 reviews
Search Air Canada flights
United AirlinesPriceFrom $834Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,764 reviews
Search American Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.8
8,453 reviews
Search Delta flights
Air New ZealandPriceFrom $1,075Free CancellationRating
8.0
649 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
Penrith
Wollongong
Katoomba
Randwick
Leura
Lithgow
Coogee
Cronulla
Manly
Terrigal
Charlestown
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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