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Cheap flights from San Diego to Sydney from $557

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 12/6. 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.
Qantas Airways Logo
6:48 pm - 6:25 am
SAN
-
SYD
17h 37m
1 stop
Qantas Airways Logo
12:45 pm - 2:23 pm
SYD
-
SAN
44h 38m
2 stops
$1,004Qantas Airways
Wed, Oct 28 - Mon, Nov 16
Qantas Airways Logo
6:48 pm - 6:25 am
SAN
-
SYD
17h 37m
1 stop
Qantas Airways Logo
12:45 pm - 2:23 pm
SYD
-
SAN
44h 38m
2 stops
$1,005Qantas Airways
Wed, Oct 28 - Mon, Nov 16
Air Canada Logo
5:00 pm - 7:20 am
SAN
-
SYD
21h 20m
1 stop
Air Canada Logo
9:20 am - 11:47 am
SYD
-
SAN
19h 27m
1 stop
$1,049Air Canada
Mon, Aug 10 - Wed, Sep 9
Air Canada Logo
5:00 pm - 7:20 am
SAN
-
SYD
21h 20m
1 stop
Air Canada Logo
6:30 am - 4:12 pm
SYD
-
SAN
26h 42m
2 stops
$1,069Air Canada
Mon, Aug 10 - Wed, Sep 9
Multiple Airlines Logo
12:35 pm - 8:20 am
SAN
-
SYD
25h 45m
1 stop
Multiple Airlines Logo
9:15 pm - 1:29 pm
SYD
-
SAN
34h 14m
2 stops
$1,076Multiple Airlines
Wed, Oct 14 - Sat, Oct 24
Air Canada Logo
2:00 pm - 1:40 pm
SAN
-
SYD
28h 40m
2 stops
Air Canada Logo
11:20 am - 5:59 pm
SYD
-
SAN
25h 39m
1 stop
$1,080Air Canada
Sat, Nov 21 - Sun, Nov 29
American Airlines Logo
4:22 pm - 7:05 am
SAN
-
SYD
21h 43m
2 stops
American Airlines Logo
12:00 pm - 8:01 pm
SYD
-
SAN
25h 01m
1 stop
$1,081American Airlines
Sun, Sep 6 - Sun, Sep 20
American Airlines Logo
12:06 pm - 6:55 am
SAN
-
SYD
25h 49m
1 stop
American Airlines Logo
12:00 pm - 8:01 pm
SYD
-
SAN
25h 01m
1 stop
$1,082American Airlines
Sun, Sep 6 - Sun, Sep 20
American Airlines Logo
4:22 pm - 7:05 am
SAN
-
SYD
21h 43m
2 stops
American Airlines Logo
12:00 pm - 8:01 pm
SYD
-
SAN
25h 01m
1 stop
$1,086American Airlines
Sun, Sep 6 - Sun, Sep 20
American Airlines Logo
10:59 am - 6:55 am
SAN
-
SYD
26h 56m
1 stop
American Airlines Logo
12:00 pm - 6:54 pm
SYD
-
SAN
23h 54m
1 stop
$1,087American Airlines
Wed, Aug 12 - Wed, Aug 19

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Qantas Airways flights from San Diego to Sydney

Our best Qantas Airways deals on San Diego to Sydney flight tickets
Qantas Airways
Oct 28
SAN6:48 pmSan Diego
17h 37m
1 stop
SYD6:25 amSydney Kingsford Smith
Nov 16
SYD12:45 pmSydney Kingsford Smith
44h 38m
2 stops
SAN2:23 pmSan Diego
$1,004
Qantas Airways
Oct 28
SAN6:48 pmSan Diego
17h 37m
1 stop
SYD6:25 amSydney Kingsford Smith
Nov 16
SYD12:45 pmSydney Kingsford Smith
44h 38m
2 stops
SAN2:23 pmSan Diego
$1,005
Qantas Airways
Oct 28
SAN6:48 pmSan Diego
17h 37m
1 stop
SYD6:25 amSydney Kingsford Smith
Nov 16
SYD7:15 pmSydney Kingsford Smith
36h 30m
2 stops
SAN12:45 pmSan Diego
$1,168

Air Canada flights from San Diego to Sydney

Our best Air Canada deals on San Diego to Sydney flight tickets
Air Canada
Aug 10
SAN5:00 pmSan Diego
21h 20m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 9
SYD9:20 amSydney Kingsford Smith
19h 27m
1 stop
SAN11:47 amSan Diego
$1,049
Air Canada
Aug 10
SAN5:00 pmSan Diego
21h 20m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 9
SYD6:30 amSydney Kingsford Smith
26h 42m
2 stops
SAN4:12 pmSan Diego
$1,069
Air Canada
Nov 21
SAN2:00 pmSan Diego
28h 40m
2 stops
SYD1:40 pmSydney Kingsford Smith
Nov 29
SYD11:20 amSydney Kingsford Smith
25h 39m
1 stop
SAN5:59 pmSan Diego
$1,080

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 22, 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

Wed 10/28

6:48 pm-6:25 am

1 stop17h 37m

Sydney Kingsford Smith

Mon 11/16

12:45 pm-2:23 pm

2 stops44h 38m

$1,004

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/28

6:48 pm-6:25 am

1 stop17h 37m

Sydney Kingsford Smith

Mon 11/16

12:45 pm-2:23 pm

2 stops44h 38m

$1,005
Quickest round-trip

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/10

5:00 pm-7:20 am

1 stop21h 20m

Sydney Kingsford Smith

Wed 9/9

9:20 am-11:47 am

1 stop19h 27m

$1,049

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 8/10

5:00 pm-7:20 am

1 stop21h 20m

Sydney Kingsford Smith

Wed 9/9

6:30 am-4:12 pm

2 stops26h 42m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/14

12:35 pm-8:20 am

1 stop25h 45m

Sydney Kingsford Smith

Sat 10/24

9:15 pm-1:29 pm

2 stops34h 14m

$1,076

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sat 11/21

2:00 pm-1:40 pm

2 stops28h 40m

Sydney Kingsford Smith

Sun 11/29

11:20 am-5:59 pm

1 stop25h 39m

$1,080

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/6

4:22 pm-7:05 am

2 stops21h 43m

Sydney Kingsford Smith

Sun 9/20

12:00 pm-8:01 pm

1 stop25h 01m

$1,081

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/6

12:06 pm-6:55 am

1 stop25h 49m

Sydney Kingsford Smith

Sun 9/20

12:00 pm-8:01 pm

1 stop25h 01m

$1,082

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 9/6

4:22 pm-7:05 am

2 stops21h 43m

Sydney Kingsford Smith

Sun 9/20

12:00 pm-8:01 pm

1 stop25h 01m

$1,086

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 8/12

10:59 am-6:55 am

1 stop26h 56m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-6:54 pm

1 stop23h 54m

$1,087

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 November 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 $1,151 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 $848 on momondo.

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

You could potentially save up to 6% 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 July 2026, prices for San Diego to Sydney flights are approximately 25% 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 37m

Direct flights

None
The fastest flight from San Diego to Sydney takes 17h 37m
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 37m.

  • 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
11,373 reviews
Search Air Canada flights
United AirlinesPriceFrom $834Free CancellationRating
7.4
10,019 reviews
Search United Airlines flights
American AirlinesPriceFrom $845Free CancellationRating
7.1
11,835 reviews
Search American Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.8
8,477 reviews
Search Delta flights
Air New ZealandPriceFrom $1,042Free CancellationRating
8.0
654 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
Wollongong
Penrith
Katoomba
Leura
Cronulla
Randwick
Manly
Lithgow
Coogee
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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