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Cheap flights from San Diego to Sydney from $458

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.
1 adult
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.
Multiple Airlines Logo
4:55 pm - 7:20 am
SAN
-
SYD
21h 25m
1 stop
Multiple Airlines Logo
6:25 pm - 11:50 am
SYD
-
SAN
34h 25m
2 stops
$1,058Multiple Airlines
vie., may. 1 - sáb., may. 16
American Airlines Logo
10:50 am - 6:55 am
SAN
-
SYD
25h 05m
1 stop
American Airlines Logo
1:05 pm - 3:50 pm
SYD
-
SAN
20h 45m
1 stop
$1,064American Airlines
mié., mar. 4 - mié., mar. 11
American Airlines Logo
7:10 am - 6:55 am
SAN
-
SYD
28h 45m
1 stop
American Airlines Logo
2:05 pm - 3:49 pm
SYD
-
SAN
20h 44m
1 stop
$1,066American Airlines
mié., feb. 18 - mar., feb. 24
American Airlines Logo
1:09 pm - 9:00 am
SAN
-
SYD
24h 51m
2 stops
American Airlines Logo
11:20 am - 4:00 pm
SYD
-
SAN
23h 40m
2 stops
$1,068American Airlines
mié., feb. 18 - mar., feb. 24
American Airlines Logo
1:09 pm - 9:00 am
SAN
-
SYD
24h 51m
2 stops
American Airlines Logo
2:05 pm - 10:30 pm
SYD
-
SAN
27h 25m
1 stop
$1,069American Airlines
mié., feb. 18 - mar., feb. 24
American Airlines Logo
4:47 pm - 9:45 am
SAN
-
SYD
45h 58m
2 stops
American Airlines Logo
2:05 pm - 10:30 pm
SYD
-
SAN
27h 25m
1 stop
$1,078American Airlines
dom., feb. 8 - mar., feb. 24
United Airlines Logo
12:49 pm - 6:20 am
SAN
-
SYD
22h 31m
1 stop
United Airlines Logo
12:10 pm - 12:39 pm
SYD
-
SAN
19h 29m
1 stop
$1,079United Airlines
dom., feb. 8 - mar., feb. 24
United Airlines Logo
11:57 am - 9:15 am
SAN
-
SYD
26h 18m
1 stop
United Airlines Logo
11:20 am - 10:24 am
SYD
-
SAN
18h 04m
1 stop
$1,081United Airlines
dom., feb. 22 - mié., mar. 4
United Airlines Logo
9:46 am - 6:55 am
SAN
-
SYD
28h 09m
1 stop
United Airlines Logo
9:30 am - 10:09 am
SYD
-
SAN
17h 39m
1 stop
$1,082United Airlines
mar., abr. 28 - mar., may. 19
Multiple Airlines Logo
3:35 pm - 6:25 am
SAN
-
SYD
21h 50m
1 stop
Multiple Airlines Logo
1:10 pm - 11:41 am
SYD
-
SAN
39h 31m
2 stops
$1,083Multiple Airlines
mar., abr. 28 - mié., may. 13

Alaska Airlines flights from San Diego to Sydney

Our best Alaska Airlines deals on San Diego to Sydney flight tickets
Alaska Airlines
Feb 1
SAN8:23 amSan Diego
40h 22m
1 stop
SYD7:45 pmSydney Kingsford Smith
Feb 15
SYD9:40 pmSydney Kingsford Smith
17h 39m
1 stop
SAN8:19 pmSan Diego
$1,182
Alaska Airlines
Feb 3
SAN5:00 pmSan Diego
31h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
Apr 2
SYD8:45 pmSydney Kingsford Smith
17h 57m
1 stop
SAN8:42 pmSan Diego
$1,489

Delta flights from San Diego to Sydney

Our best Delta deals on San Diego to Sydney flight tickets
Delta
Apr 29
SAN7:55 pmSan Diego
17h 55m
1 stop
SYD6:50 amSydney Kingsford Smith
May 18
SYD9:15 amSydney Kingsford Smith
23h 53m
2 stops
SAN4:08 pmSan Diego
$1,087
Delta
May 2
SAN5:55 pmSan Diego
43h 55m
2 stops
SYD6:50 amSydney Kingsford Smith
May 17
SYD9:15 amSydney Kingsford Smith
18h 12m
1 stop
SAN10:27 amSan Diego
$1,100
Delta
Apr 30
SAN7:55 pmSan Diego
17h 55m
1 stop
SYD6:50 amSydney Kingsford Smith
May 19
SYD9:15 amSydney Kingsford Smith
18h 12m
1 stop
SAN10:27 amSan Diego
$1,132

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 enero 29, 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

vie. 5/1

4:55 pm-7:20 am

1 stop21h 25m

Sydney Kingsford Smith

sáb. 5/16

6:25 pm-11:50 am

2 stops34h 25m

$1,058

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 3/4

10:50 am-6:55 am

1 stop25h 05m

Sydney Kingsford Smith

mié. 3/11

1:05 pm-3:50 pm

1 stop20h 45m

$1,064

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 2/18

7:10 am-6:55 am

1 stop28h 45m

Sydney Kingsford Smith

mar. 2/24

2:05 pm-3:49 pm

1 stop20h 44m

$1,066

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 2/18

1:09 pm-9:00 am

2 stops24h 51m

Sydney Kingsford Smith

mar. 2/24

11:20 am-4:00 pm

2 stops23h 40m

$1,068

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mié. 2/18

1:09 pm-9:00 am

2 stops24h 51m

Sydney Kingsford Smith

mar. 2/24

2:05 pm-10:30 pm

1 stop27h 25m

$1,069

San DiegoSydney

SAN - SYD

SANSYD

San Diego

dom. 2/8

4:47 pm-9:45 am

2 stops45h 58m

Sydney Kingsford Smith

mar. 2/24

2:05 pm-10:30 pm

1 stop27h 25m

$1,078

San DiegoSydney

SAN - SYD

SANSYD

San Diego

dom. 2/8

12:49 pm-6:20 am

1 stop22h 31m

Sydney Kingsford Smith

mar. 2/24

12:10 pm-12:39 pm

1 stop19h 29m

$1,079

San DiegoSydney

SAN - SYD

SANSYD

San Diego

dom. 2/22

11:57 am-9:15 am

1 stop26h 18m

Sydney Kingsford Smith

mié. 3/4

11:20 am-10:24 am

1 stop18h 04m

$1,081

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mar. 4/28

9:46 am-6:55 am

1 stop28h 09m

Sydney Kingsford Smith

mar. 5/19

9:30 am-10:09 am

1 stop17h 39m

$1,082

San DiegoSydney

SAN - SYD

SANSYD

San Diego

mar. 4/28

3:35 pm-6:25 am

1 stop21h 50m

Sydney Kingsford Smith

mié. 5/13

1:10 pm-11:41 am

2 stops39h 31m

$1,083

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $958.

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 $1,108 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.

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

You could potentially save up to 10% 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 January 2026, prices for San Diego to Sydney flights are approximately 14% 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

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from San Diego to Sydney takes 19h 20m
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 20m.

  • 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
2,830 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $771Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $901Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $934Free CancellationRating
8.0
11,806 reviews
Search Alaska Airlines flights
DeltaPriceFrom $949Free CancellationRating
7.9
8,128 reviews
Search Delta flights
Air New ZealandPriceFrom $956Free CancellationRating
8.0
577 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
Parramatta
Bondi Beach
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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