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Cheap flights from San Diego to Sydney from $444

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 4/19. 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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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.
American Airlines Logo
10:06 am - 6:55 am
SAN
-
SYD
27h 49m
1 stop
American Airlines Logo
12:00 pm - 10:41 pm
SYD
-
SAN
27h 41m
1 stop
$1,037American Airlines
Wed, Jun 3 - Wed, Jun 10
American Airlines Logo
4:22 pm - 7:05 am
SAN
-
SYD
21h 43m
2 stops
American Airlines Logo
5:50 pm - 9:36 pm
SYD
-
SAN
20h 46m
2 stops
$1,040American Airlines
Mon, Jun 1 - Sun, Jun 14
American Airlines Logo
6:20 am - 6:55 am
SAN
-
SYD
29h 35m
1 stop
American Airlines Logo
1:05 pm - 6:23 pm
SYD
-
SAN
23h 18m
1 stop
$1,068American Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
8:00 am - 6:10 am
SAN
-
SYD
27h 10m
1 stop
Multiple Airlines Logo
9:25 pm - 8:18 am
SYD
-
SAN
28h 53m
1 stop
$1,069Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
4:45 pm - 9:00 am
SAN
-
SYD
21h 15m
2 stops
American Airlines Logo
11:20 am - 6:04 pm
SYD
-
SAN
24h 44m
2 stops
$1,070American Airlines
Tue, Mar 3 - Wed, Mar 11
American Airlines Logo
1:09 pm - 9:00 am
SAN
-
SYD
24h 51m
2 stops
American Airlines Logo
1:05 pm - 11:59 pm
SYD
-
SAN
28h 54m
1 stop
$1,071American Airlines
Tue, Mar 3 - Wed, Mar 11
American Airlines Logo
1:16 pm - 7:25 am
SAN
-
SYD
24h 09m
2 stops
American Airlines Logo
1:05 pm - 10:23 pm
SYD
-
SAN
27h 18m
1 stop
$1,072American Airlines
Sun, Mar 8 - Sun, Mar 15
Delta Logo
6:45 pm - 6:50 am
SAN
-
SYD
19h 05m
1 stop
Delta Logo
9:15 am - 3:19 pm
SYD
-
SAN
23h 04m
1 stop
$1,084Delta
Mon, Jun 1 - Wed, Jun 10
Delta Logo
5:01 pm - 6:50 am
SAN
-
SYD
20h 49m
2 stops
Delta Logo
9:15 am - 6:45 pm
SYD
-
SAN
26h 30m
2 stops
$1,088Delta
Tue, Jun 2 - Wed, Jun 10
Delta Logo
3:05 pm - 6:50 am
SAN
-
SYD
22h 45m
1 stop
Delta Logo
9:15 am - 10:27 am
SYD
-
SAN
42h 12m
1 stop
$1,089Delta
Sun, May 31 - Tue, Jun 23

United Airlines flights from San Diego to Sydney

Our best United Airlines deals on San Diego to Sydney flight tickets
United Airlines
Jun 2
SAN6:26 pmSan Diego
19h 29m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 12
SYD10:20 amSydney Kingsford Smith
16h 31m
1 stop
SAN9:51 amSan Diego
$1,134
United Airlines
Feb 28
SAN7:50 pmSan Diego
39h 30m
1 stop
SYD6:20 amSydney Kingsford Smith
Mar 14
SYD10:25 amSydney Kingsford Smith
17h 57m
1 stop
SAN10:22 amSan Diego
$1,140
United Airlines
Feb 28
SAN7:50 pmSan Diego
39h 30m
1 stop
SYD6:20 amSydney Kingsford Smith
Mar 14
SYD10:25 amSydney Kingsford Smith
22h 24m
2 stops
SAN2:49 pmSan Diego
$1,145

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
Jun 3
SAN10:06 amSan Diego
27h 49m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 10
SYD12:00 pmSydney Kingsford Smith
27h 41m
1 stop
SAN10:41 pmSan Diego
$1,037
American Airlines
Jun 1
SAN4:22 pmSan Diego
21h 43m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 14
SYD5:50 pmSydney Kingsford Smith
20h 46m
2 stops
SAN9:36 pmSan Diego
$1,040
American Airlines
Mar 2
SAN7:10 amSan Diego
28h 45m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 9
SYD1:05 pmSydney Kingsford Smith
27h 18m
1 stop
SAN10:23 pmSan Diego
$1,068

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 February 3, 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

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Wed 6/3

10:06 am-6:55 am

1 stop27h 49m

Sydney Kingsford Smith

Wed 6/10

12:00 pm-10:41 pm

1 stop27h 41m

$1,037

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/1

4:22 pm-7:05 am

2 stops21h 43m

Sydney Kingsford Smith

Sun 6/14

5:50 pm-9:36 pm

2 stops20h 46m

$1,040

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 3/2

6:20 am-6:55 am

1 stop29h 35m

Sydney Kingsford Smith

Mon 3/9

1:05 pm-6:23 pm

1 stop23h 18m

$1,068

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 3/3

8:00 am-6:10 am

1 stop27h 10m

Sydney Kingsford Smith

Tue 3/10

9:25 pm-8:18 am

1 stop28h 53m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 3/3

4:45 pm-9:00 am

2 stops21h 15m

Sydney Kingsford Smith

Wed 3/11

11:20 am-6:04 pm

2 stops24h 44m

$1,070

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 3/3

1:09 pm-9:00 am

2 stops24h 51m

Sydney Kingsford Smith

Wed 3/11

1:05 pm-11:59 pm

1 stop28h 54m

$1,071

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 3/8

1:16 pm-7:25 am

2 stops24h 09m

Sydney Kingsford Smith

Sun 3/15

1:05 pm-10:23 pm

1 stop27h 18m

$1,072

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Mon 6/1

6:45 pm-6:50 am

1 stop19h 05m

Sydney Kingsford Smith

Wed 6/10

9:15 am-3:19 pm

1 stop23h 04m

$1,084

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 6/2

5:01 pm-6:50 am

2 stops20h 49m

Sydney Kingsford Smith

Wed 6/10

9:15 am-6:45 pm

2 stops26h 30m

$1,088

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 5/31

3:05 pm-6:50 am

1 stop22h 45m

Sydney Kingsford Smith

Tue 6/23

9:15 am-10:27 am

1 stop42h 12m

$1,089

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 $949. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month November is also very affordable. Most momondo users find prices during this month for around $961.

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 $1,106 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 $926 on momondo.

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

As of February 2026, prices for San Diego to Sydney flights are approximately 0% 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

19h 55m

Direct flights

None
The fastest flight from San Diego to Sydney takes 19h 55m
There are no direct flights from San Diego to Sydney. There are no popular flight routes from San Diego to Sydney.
Search flight deals

  • 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 19h 55m.

  • 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
2,831 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,833 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
578 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
Bondi Beach
Parramatta
Katoomba
Wollongong
Randwick
Penrith
Coogee
Manly
Lithgow
Leura
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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