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Cheap flights from San Diego to Sydney from $445

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 2/9. 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 return flights

United Airlines Logo
14:21 - 06:55SAN-SYD
23h 34m2 stops
United Airlines Logo
09:30 - 10:13SYD-SAN
17h 43m1 stop
$1,204United Airlines
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Mon, 1 Sep - Mon, 15 Sep
United Airlines Logo
14:21 - 07:00SAN-SYD
23h 39m1 stop
United Airlines Logo
10:20 - 10:15SYD-SAN
16h 55m1 stop
$1,208United Airlines
Find Deal
Mon, 1 Sep - Mon, 15 Sep
Logo
18:58 - 14:40SAN-SYD
50h 42m2 stops
Logo
16:20 - 16:30SYD-SAN
17h 10m1 stop
$1,219
Find Deal
Fri, 8 Aug - Fri, 15 Aug
Air Canada Logo
16:55 - 07:20SAN-SYD
21h 25m1 stop
Air Canada Logo
09:20 - 11:47SYD-SAN
19h 27m1 stop
$1,272Air Canada
Find Deal
Mon, 8 Sep - Tue, 16 Sep
American Airlines Logo
16:20 - 07:05SAN-SYD
21h 45m2 stops
American Airlines Logo
17:45 - 21:52SYD-SAN
21h 07m2 stops
$1,284American Airlines
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Mon, 1 Sep - Sun, 14 Sep
Air Canada Logo
16:55 - 07:20SAN-SYD
21h 25m1 stop
Air Canada Logo
07:00 - 11:47SYD-SAN
21h 47m2 stops
$1,295Air Canada
Find Deal
Mon, 8 Sep - Tue, 16 Sep
Logo
18:59 - 14:40SAN-SYD
50h 41m2 stops
Logo
16:20 - 16:30SYD-SAN
17h 10m1 stop
$1,336
Find Deal
Wed, 27 Aug - Fri, 5 Sep
American Airlines Logo
12:30 - 09:00SAN-SYD
25h 30m2 stops
American Airlines Logo
14:20 - 20:07SYD-SAN
24h 47m1 stop
$1,427American Airlines
Find Deal
Mon, 10 Nov - Fri, 21 Nov
Delta Logo
10:00 - 08:30SAN-SYD
27h 30m1 stop
Delta Logo
10:40 - 15:25SYD-SAN
23h 45m1 stop
$1,447Delta
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Mon, 17 Nov - Wed, 24 Dec
Delta Logo
13:30 - 08:30SAN-SYD
24h 00m2 stops
Delta Logo
10:40 - 22:35SYD-SAN
30h 55m1 stop
$1,462Delta
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Mon, 17 Nov - Sat, 27 Dec

United Airlines flights from San Diego to Sydney

Our best United Airlines deals on San Diego to Sydney flight tickets
United Airlines
1 Sept
SAN14:21San Diego
23h 34m
2 stops
SYD06:55Sydney Kingsford Smith
15 Sept
SYD09:30Sydney Kingsford Smith
17h 43m
1 stop
SAN10:13San Diego
$1,204
Find similar
United Airlines
1 Sept
SAN14:21San Diego
23h 39m
1 stop
SYD07:00Sydney Kingsford Smith
15 Sept
SYD10:20Sydney Kingsford Smith
16h 55m
1 stop
SAN10:15San Diego
$1,208
Find similar
United Airlines
17 Sept
SAN14:21San Diego
23h 34m
2 stops
SYD06:55Sydney Kingsford Smith
27 Nov
SYD11:20Sydney Kingsford Smith
18h 01m
1 stop
SAN10:21San Diego
$1,302
Find similar

Air Canada flights from San Diego to Sydney

Our best Air Canada deals on San Diego to Sydney flight tickets
Air Canada
8 Sept
SAN16:55San Diego
21h 25m
1 stop
SYD07:20Sydney Kingsford Smith
16 Sept
SYD09:20Sydney Kingsford Smith
19h 27m
1 stop
SAN11:47San Diego
$1,272
Find similar
Air Canada
8 Sept
SAN16:55San Diego
21h 25m
1 stop
SYD07:20Sydney Kingsford Smith
16 Sept
SYD07:00Sydney Kingsford Smith
21h 47m
2 stops
SAN11:47San Diego
$1,295
Find similar
Air Canada
8 Sept
SAN16:55San Diego
24h 45m
2 stops
SYD10:40Sydney Kingsford Smith
16 Sept
SYD07:00Sydney Kingsford Smith
21h 47m
2 stops
SAN11:47San Diego
$1,322
Find similar

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?

The month of August is, on average, the cheapest month to fly to Sydney from San Diego, with most prices found around $1,468. If you aren’t able to travel to Sydney during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,514.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,694. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,925.

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 in the morning. momondo users have found flights departing from San Diego to Sydney in the morning for as low as $1,661. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,819 on average. Flights to Sydney from San Diego in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,798 when searching weeks before you fly. 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 $1,468 on momondo.

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

You could potentially save up to 40% 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 2025, prices for San Diego to Sydney flights are approximately 41% 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 return 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

Best price found

$445

Fastest flight time

17h 21m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from San Diego in the past 72 hours is $445. The best return flight deal from San Diego to Sydney found on momondo in the last 72 hours is $1,204.
The fastest flight from San Diego to Sydney takes 17h 21m
There are no direct flights from San Diego to Sydney. Popular non-direct route for this connection is San Diego Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • How far is San Diego to Sydney Kingsford Smith by plane?

    A flight from San Diego to Sydney Kingsford Smith will travel around 12082.4 km. Flights usually cover this in 17h 21m, depending on flying conditions and air traffic around both airports.

  • 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 are refreshed on a daily basis.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
United AirlinesPriceFrom $1,107Free cancellationRating
7.4
8,853 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Parramatta
Terrigal
Katoomba
Lithgow
Penrith
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from San Diego.

Can I find flights from San Diego to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from San Diego which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Sydney from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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