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Cheap flights from San Diego to Sydney from $542

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 12/4. 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.
Alaska Airlines Logo
6:48 pm - 7:45 pmSAN-SYD
29h 57m2 stops
Alaska Airlines Logo
9:40 pm - 8:10 pmSYD-SAN
17h 30m1 stop
$999Alaska Airlines
Find Deal
mar., nov. 11 - jue., dic. 11
Alaska Airlines Logo
1:45 pm - 7:45 pmSAN-SYD
36h 00m1 stop
Alaska Airlines Logo
9:40 pm - 8:10 pmSYD-SAN
17h 30m1 stop
$1,016Alaska Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Air Canada Logo
12:45 pm - 9:35 amSAN-SYD
25h 50m1 stop
Air Canada Logo
3:00 pm - 12:03 pmSYD-SAN
40h 03m2 stops
$1,174Air Canada
Find Deal
jue., dic. 25 - sáb., ene. 17
Hawaiian Airlines Logo
12:30 pm - 7:45 pmSAN-SYD
37h 15m1 stop
Hawaiian Airlines Logo
9:40 pm - 7:15 amSYD-SAN
27h 35m1 stop
$1,216Hawaiian Airlines
Find Deal
mar., oct. 21 - jue., oct. 30
Delta Logo
3:59 pm - 7:35 amSAN-SYD
21h 36m1 stop
Delta Logo
10:40 am - 3:27 pmSYD-SAN
23h 47m1 stop
$1,231Delta
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dom., oct. 19 - mié., nov. 19
Delta Logo
4:07 pm - 8:30 amSAN-SYD
21h 23m1 stop
Delta Logo
10:40 am - 9:15 amSYD-SAN
17h 35m1 stop
$1,232Delta
Find Deal
lun., nov. 10 - vie., nov. 21
Air Canada Logo
12:45 pm - 9:35 amSAN-SYD
25h 50m1 stop
Air Canada Logo
4:00 pm - 12:03 pmSYD-SAN
39h 03m1 stop
$1,236Air Canada
Find Deal
mié., dic. 24 - lun., ene. 19
Hawaiian Airlines Logo
9:50 am - 7:45 pmSAN-SYD
39h 55m2 stops
Hawaiian Airlines Logo
9:40 pm - 7:21 amSYD-SAN
27h 41m2 stops
$1,245Hawaiian Airlines
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mar., oct. 21 - jue., oct. 30
United Airlines Logo
8:00 pm - 9:15 amSAN-SYD
18h 15m1 stop
United Airlines Logo
12:10 pm - 10:43 amSYD-SAN
17h 33m1 stop
$1,260United Airlines
Find Deal
lun., dic. 8 - lun., dic. 29
United Airlines Logo
4:08 pm - 6:20 amSAN-SYD
19h 12m1 stop
United Airlines Logo
11:20 am - 2:58 pmSYD-SAN
22h 38m2 stops
$1,265United Airlines
Find Deal
mié., dic. 3 - lun., dic. 29

Hawaiian Airlines flights from San Diego to Sydney

Our best Hawaiian Airlines deals on San Diego to Sydney flight tickets
Hawaiian Airlines
Oct 17
SAN12:30 pmSan Diego
37h 15m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 31
SYD9:40 pmSydney Kingsford Smith
17h 25m
1 stop
SAN9:05 pmSan Diego
$1,146
Find similar
Hawaiian Airlines
Oct 21
SAN12:30 pmSan Diego
37h 15m
1 stop
SYD7:45 pmSydney Kingsford Smith
Oct 30
SYD9:40 pmSydney Kingsford Smith
27h 35m
1 stop
SAN7:15 amSan Diego
$1,216
Find similar
Hawaiian Airlines
Oct 21
SAN9:50 amSan Diego
39h 55m
2 stops
SYD7:45 pmSydney Kingsford Smith
Oct 30
SYD9:40 pmSydney Kingsford Smith
27h 41m
2 stops
SAN7:21 amSan Diego
$1,245
Find similar

American Airlines flights from San Diego to Sydney

Our best American Airlines deals on San Diego to Sydney flight tickets
American Airlines
Oct 19
SAN8:32 amSan Diego
28h 23m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 19
SYD2:05 pmSydney Kingsford Smith
23h 54m
1 stop
SAN6:59 pmSan Diego
$1,276
Find similar
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
$1,278
Find similar
American Airlines
Oct 19
SAN12:40 pmSan Diego
25h 25m
2 stops
SYD8:05 amSydney Kingsford Smith
Nov 19
SYD2:05 pmSydney Kingsford Smith
20h 48m
1 stop
SAN3:53 pmSan Diego
$1,279
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 octubre 16, 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

mar. 11/11

6:48 pm-7:45 pm

2 stops29h 57m

Sydney Kingsford Smith

jue. 12/11

9:40 pm-8:10 pm

1 stop17h 30m

$999

San DiegoSydney

SAN - SYD

SANSYD

San Diego

vie. 10/31

1:45 pm-7:45 pm

1 stop36h 00m

Sydney Kingsford Smith

vie. 11/7

9:40 pm-8:10 pm

1 stop17h 30m

$1,016

San DiegoSydney

SAN - SYD

SANSYD

San Diego

jue. 12/25

12:45 pm-9:35 am

1 stop25h 50m

Sydney Kingsford Smith

sáb. 1/17

3:00 pm-12:03 pm

2 stops40h 03m

$1,174

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mar. 10/21

12:30 pm-7:45 pm

1 stop37h 15m

Sydney Kingsford Smith

jue. 10/30

9:40 pm-7:15 am

1 stop27h 35m

$1,216

San DiegoSydney

SAN - SYD

SANSYD

San Diego

dom. 10/19

3:59 pm-7:35 am

1 stop21h 36m

Sydney Kingsford Smith

mié. 11/19

10:40 am-3:27 pm

1 stop23h 47m

$1,231

San DiegoSydney

SAN - SYD

SANSYD

San Diego

lun. 11/10

4:07 pm-8:30 am

1 stop21h 23m

Sydney Kingsford Smith

vie. 11/21

10:40 am-9:15 am

1 stop17h 35m

$1,232

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 12/24

12:45 pm-9:35 am

1 stop25h 50m

Sydney Kingsford Smith

lun. 1/19

4:00 pm-12:03 pm

1 stop39h 03m

$1,236

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mar. 10/21

9:50 am-7:45 pm

2 stops39h 55m

Sydney Kingsford Smith

jue. 10/30

9:40 pm-7:21 am

2 stops27h 41m

$1,245

San DiegoSydney

SAN - SYD

SANSYD

San Diego

lun. 12/8

8:00 pm-9:15 am

1 stop18h 15m

Sydney Kingsford Smith

lun. 12/29

12:10 pm-10:43 am

1 stop17h 33m

$1,260

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 12/3

4:08 pm-6:20 am

1 stop19h 12m

Sydney Kingsford Smith

lun. 12/29

11:20 am-2:58 pm

2 stops22h 38m

$1,265

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 September is also very affordable. Most momondo users find prices during this month for around $965.

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 $1,091 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 $934 on momondo.

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

You could potentially save up to 7% 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 October 2025, prices for San Diego to Sydney flights are approximately 38% 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.
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 18h 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
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,305 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $899Free CancellationRating
7.4
8,980 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,098 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
7,980 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
515 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,781 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
Manly
Penrith
Leura
Lithgow
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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