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Cheap flights from San Diego to Sydney from $473

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 11/16. 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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Find the cheapest flights from San Diego to Sydney

Cheap round-trip flights

Logo
8:36 am - 3:40 pmSAN-SYD
37h 04m1 stop
Logo
5:20 pm - 8:29 pmSYD-SAN
21h 09m2 stops
$854
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Thu, Oct 16 - Wed, Oct 22
Logo
8:36 am - 3:40 pmSAN-SYD
37h 04m1 stop
Logo
5:20 pm - 7:00 amSYD-SAN
31h 40m1 stop
$869
Find Deal
Thu, Oct 16 - Wed, Oct 22
Air Canada Logo
12:45 pm - 10:25 pmSAN-SYD
39h 40m2 stops
Air Canada Logo
11:20 am - 12:03 pmSYD-SAN
19h 43m1 stop
$913Air Canada
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Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
6:10 pm - 9:35 amSAN-SYD
20h 25m1 stop
Air Canada Logo
9:20 am - 12:02 pmSYD-SAN
19h 42m1 stop
$920Air Canada
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Tue, Nov 11 - Tue, May 5
United Airlines Logo
8:50 pm - 9:05 amSAN-SYD
17h 15m1 stop
United Airlines Logo
9:30 am - 12:36 pmSYD-SAN
20h 06m2 stops
$944United Airlines
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Thu, Mar 5 - Tue, Apr 14
Delta Logo
4:04 pm - 8:30 amSAN-SYD
21h 26m1 stop
Delta Logo
9:25 am - 9:17 amSYD-SAN
16h 52m1 stop
$952Delta
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Mon, Nov 10 - Fri, May 8
United Airlines Logo
8:39 pm - 8:00 amSAN-SYD
17h 21m1 stop
United Airlines Logo
11:20 am - 3:59 pmSYD-SAN
22h 39m1 stop
$953United Airlines
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Mon, Oct 13 - Fri, Oct 24
Delta Logo
4:04 pm - 8:30 amSAN-SYD
21h 26m1 stop
Delta Logo
10:40 am - 11:55 pmSYD-SAN
32h 15m2 stops
$957Delta
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Mon, Nov 10 - Fri, Nov 21
Hawaiian Airlines Logo
9:00 am - 7:45 pmSAN-SYD
17h 45m1 stop
Hawaiian Airlines Logo
9:40 pm - 7:28 amSYD-SAN
27h 48m2 stops
$959Hawaiian Airlines
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Fri, Sep 26 - Sat, Oct 11
Hawaiian Airlines Logo
1:45 pm - 7:45 pmSAN-SYD
36h 00m1 stop
Hawaiian Airlines Logo
9:40 pm - 7:15 amSYD-SAN
28h 35m1 stop
$970Hawaiian Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 15

Delta flights from San Diego to Sydney

Our best Delta deals on San Diego to Sydney flight tickets
Delta
Nov 10
SAN4:04 pmSan Diego
21h 26m
1 stop
SYD8:30 amSydney Kingsford Smith
May 8
SYD9:25 amSydney Kingsford Smith
16h 52m
1 stop
SAN9:17 amSan Diego
$952
Find similar
Delta
Nov 10
SAN4:04 pmSan Diego
21h 26m
1 stop
SYD8:30 amSydney Kingsford Smith
Nov 21
SYD10:40 amSydney Kingsford Smith
32h 15m
2 stops
SAN11:55 pmSan Diego
$957
Find similar
Delta
Dec 14
SAN6:15 amSan Diego
31h 15m
1 stop
SYD8:30 amSydney Kingsford Smith
Dec 28
SYD10:40 amSydney Kingsford Smith
23h 54m
1 stop
SAN3:34 pmSan Diego
$958
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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
Oct 19
SAN12:40 pmSan Diego
25h 25m
2 stops
SYD8:05 amSydney Kingsford Smith
Nov 19
SYD11:20 amSydney Kingsford Smith
22h 56m
2 stops
SAN3:16 pmSan Diego
$940
Find similar
American Airlines
Oct 18
SAN12:40 pmSan Diego
24h 50m
2 stops
SYD7:30 amSydney Kingsford Smith
Oct 25
SYD10:10 amSydney Kingsford Smith
23h 20m
2 stops
SAN3:30 pmSan Diego
$941
Find similar
American Airlines
Dec 14
SAN12:50 pmSan Diego
23h 35m
2 stops
SYD7:25 amSydney Kingsford Smith
Dec 28
SYD5:45 pmSydney Kingsford Smith
22h 55m
2 stops
SAN9:40 pmSan Diego
$942
Find similar

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 September 15, 2025.
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

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 10/16

8:36 am-3:40 pm

1 stop37h 04m

Sydney Kingsford Smith

Wed 10/22

5:20 pm-8:29 pm

2 stops21h 09m

$854

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 10/16

8:36 am-3:40 pm

1 stop37h 04m

Sydney Kingsford Smith

Wed 10/22

5:20 pm-7:00 am

1 stop31h 40m

$869

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 10/29

12:45 pm-10:25 pm

2 stops39h 40m

Sydney Kingsford Smith

Wed 11/5

11:20 am-12:03 pm

1 stop19h 43m

$913

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 11/11

6:10 pm-9:35 am

1 stop20h 25m

Sydney Kingsford Smith

Tue 5/5

9:20 am-12:02 pm

1 stop19h 42m

$920

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 3/5

8:50 pm-9:05 am

1 stop17h 15m

Sydney Kingsford Smith

Tue 4/14

9:30 am-12:36 pm

2 stops20h 06m

$944

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 11/10

4:04 pm-8:30 am

1 stop21h 26m

Sydney Kingsford Smith

Fri 5/8

9:25 am-9:17 am

1 stop16h 52m

$952

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 10/13

8:39 pm-8:00 am

1 stop17h 21m

Sydney Kingsford Smith

Fri 10/24

11:20 am-3:59 pm

1 stop22h 39m

$953

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 11/10

4:04 pm-8:30 am

1 stop21h 26m

Sydney Kingsford Smith

Fri 11/21

10:40 am-11:55 pm

2 stops32h 15m

$957

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 9/26

9:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sat 10/11

9:40 pm-7:28 am

2 stops27h 48m

$959

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 10/31

1:45 pm-7:45 pm

1 stop36h 00m

Sydney Kingsford Smith

Sat 11/15

9:40 pm-7:15 am

1 stop28h 35m

$970

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, August 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 $947. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month September is also very affordable. Most momondo users find prices during this month for around $978.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from San Diego to Sydney is on a Monday when prices can be found for as low as $1,157. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,453.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from San Diego to Sydney at noon for as low as $1,128. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,286. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,095 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 $949 on momondo.

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

You could potentially save up to 15% 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 2025, prices for San Diego to Sydney flights are approximately 13% 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

Direct flights

None
There are no direct flights from San Diego to Sydney. There are no popular flight routes from San Diego to Sydney.
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  • 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 15m.

  • 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
Alaska AirlinesPriceFrom $748Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $779Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $900Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air New ZealandPriceFrom $911Free CancellationRating
8.0
505 reviews
Search Air New Zealand flights
DeltaPriceFrom $949Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines 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
Randwick
Cronulla
Coogee
Lithgow
Penrith
Manly
Leura
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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