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Cheap flights from San Diego to Sydney from $508

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 12/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
4:00 pm - 6:10 amSAN-SYD
19h 10m1 stop
Qantas Airways Logo
7:15 pm - 12:47 pmSYD-SAN
36h 32m2 stops
$1,068Qantas Airways
Find Deal
Tue, Feb 3 - Fri, Feb 13
Air Canada Logo
6:05 pm - 4:40 pmSAN-SYD
27h 35m2 stops
Air Canada Logo
11:20 am - 5:24 pmSYD-SAN
25h 04m1 stop
$1,098Air Canada
Find Deal
Sun, Jan 25 - Sun, Feb 8
Air Canada Logo
6:05 pm - 4:40 pmSAN-SYD
27h 35m2 stops
Air Canada Logo
9:00 am - 5:24 pmSYD-SAN
27h 24m2 stops
$1,112Air Canada
Find Deal
Sun, Jan 25 - Sun, Feb 8
Air Canada Logo
6:05 pm - 9:35 amSAN-SYD
20h 30m1 stop
Air Canada Logo
11:20 am - 5:24 pmSYD-SAN
25h 04m1 stop
$1,113Air Canada
Find Deal
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
6:05 pm - 2:40 pmSAN-SYD
25h 35m2 stops
Air Canada Logo
11:20 am - 5:24 pmSYD-SAN
25h 04m1 stop
$1,138Air Canada
Find Deal
Fri, Jan 30 - Tue, Feb 10
Hawaiian Airlines Logo
8:10 am - 7:45 pmSAN-SYD
40h 35m1 stop
Hawaiian Airlines Logo
9:40 pm - 8:10 pmSYD-SAN
17h 30m1 stop
$1,139Hawaiian Airlines
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Thu, Nov 27 - Thu, Dec 11
Air Canada Logo
6:05 pm - 2:40 pmSAN-SYD
25h 35m2 stops
Air Canada Logo
9:00 am - 12:03 pmSYD-SAN
22h 03m2 stops
$1,152Air Canada
Find Deal
Fri, Jan 30 - Tue, Feb 10
Alaska Airlines Logo
8:23 am - 7:45 pmSAN-SYD
40h 22m1 stop
Alaska Airlines Logo
9:40 pm - 8:23 pmSYD-SAN
17h 43m1 stop
$1,154Alaska Airlines
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Sun, Jan 25 - Sun, Feb 8
Air Canada Logo
6:05 pm - 9:35 amSAN-SYD
20h 30m1 stop
Air Canada Logo
11:20 am - 12:03 pmSYD-SAN
19h 43m1 stop
$1,155Air Canada
Find Deal
Tue, Feb 3 - Fri, Feb 13
Alaska Airlines Logo
7:28 pm - 7:45 pmSAN-SYD
29h 17m2 stops
Alaska Airlines Logo
9:40 pm - 7:20 amSYD-SAN
28h 40m2 stops
$1,159Alaska Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 20

Qantas Airways flights from San Diego to Sydney

Our best Qantas Airways deals on San Diego to Sydney flight tickets
Qantas Airways
Feb 3
SAN4:00 pmSan Diego
19h 10m
1 stop
SYD6:10 amSydney Kingsford Smith
Feb 13
SYD7:15 pmSydney Kingsford Smith
36h 32m
2 stops
SAN12:47 pmSan Diego
$1,068
Find similar
Qantas Airways
Dec 2
SAN2:59 pmSan Diego
34h 51m
2 stops
SYD8:50 pmSydney Kingsford Smith
Dec 20
SYD7:15 pmSydney Kingsford Smith
41h 55m
2 stops
SAN6:10 pmSan Diego
$1,336
Find similar
Qantas Airways
Nov 16
SAN5:30 pmSan Diego
17h 40m
1 stop
SYD6:10 amSydney Kingsford Smith
Dec 14
SYD7:15 pmSydney Kingsford Smith
39h 33m
2 stops
SAN3:48 pmSan Diego
$1,412
Find similar

United Airlines flights from San Diego to Sydney

Our best United Airlines deals on San Diego to Sydney flight tickets
United Airlines
Mar 20
SAN6:30 pmSan Diego
17h 50m
1 stop
SYD6:20 amSydney Kingsford Smith
Mar 31
SYD10:30 amSydney Kingsford Smith
17h 39m
1 stop
SAN10:09 amSan Diego
$1,311
Find similar
United Airlines
Nov 27
SAN1:10 pmSan Diego
24h 55m
2 stops
SYD9:05 amSydney Kingsford Smith
Dec 11
SYD11:20 amSydney Kingsford Smith
18h 01m
1 stop
SAN10:21 amSan Diego
$1,654
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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 November 13, 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

Tue 2/3

4:00 pm-6:10 am

1 stop19h 10m

Sydney Kingsford Smith

Fri 2/13

7:15 pm-12:47 pm

2 stops36h 32m

$1,068

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/25

6:05 pm-4:40 pm

2 stops27h 35m

Sydney Kingsford Smith

Sun 2/8

11:20 am-5:24 pm

1 stop25h 04m

$1,098

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/25

6:05 pm-4:40 pm

2 stops27h 35m

Sydney Kingsford Smith

Sun 2/8

9:00 am-5:24 pm

2 stops27h 24m

$1,112

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/10

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

Tue 2/17

11:20 am-5:24 pm

1 stop25h 04m

$1,113

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 1/30

6:05 pm-2:40 pm

2 stops25h 35m

Sydney Kingsford Smith

Tue 2/10

11:20 am-5:24 pm

1 stop25h 04m

$1,138

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Thu 11/27

8:10 am-7:45 pm

1 stop40h 35m

Sydney Kingsford Smith

Thu 12/11

9:40 pm-8:10 pm

1 stop17h 30m

$1,139

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Fri 1/30

6:05 pm-2:40 pm

2 stops25h 35m

Sydney Kingsford Smith

Tue 2/10

9:00 am-12:03 pm

2 stops22h 03m

$1,152

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Sun 1/25

8:23 am-7:45 pm

1 stop40h 22m

Sydney Kingsford Smith

Sun 2/8

9:40 pm-8:23 pm

1 stop17h 43m

$1,154

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 2/3

6:05 pm-9:35 am

1 stop20h 30m

Sydney Kingsford Smith

Fri 2/13

11:20 am-12:03 pm

1 stop19h 43m

$1,155

San DiegoSydney

SAN - SYD

SANSYD

San Diego

Tue 12/2

7:28 pm-7:45 pm

2 stops29h 17m

Sydney Kingsford Smith

Sat 12/20

9:40 pm-7:20 am

2 stops28h 40m

$1,159

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 February is also very affordable. Most momondo users find prices during this month for around $964.

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 $1,092 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 3% 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 November 2025, prices for San Diego to Sydney flights are approximately 31% 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 50m.

  • 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
10,444 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $899Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,281 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
526 reviews
Search Air New Zealand flights
Hawaiian AirlinesPriceFrom $1,138Free CancellationRating
7.8
2,809 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
Coogee
Cronulla
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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