Look for other cheap flights to San Diego

$696 Cheap flights to San Diego

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Diego departing on 15/10. 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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Find the cheapest flights from Australia to San Diego

Cheap return flights

Hawaiian Airlines Logo
21:40 - 07:00SYD-SAN
26h 20m1 stop
Hawaiian Airlines Logo
09:00 - 19:45SAN-SYD
17h 45m1 stop
$1,025Hawaiian Airlines
Find Deal
Sat, 13 Sep - Thu, 18 Sep
Alaska Airlines Logo
21:40 - 07:30SYD-SAN
26h 50m2 stops
Alaska Airlines Logo
09:00 - 19:45SAN-SYD
17h 45m1 stop
$1,039Alaska Airlines
Find Deal
Sat, 13 Sep - Thu, 18 Sep
United Airlines Logo
11:55 - 19:52MEL-SAN
25h 57m2 stops
United Airlines Logo
13:59 - 08:30SAN-MEL
24h 31m2 stops
$1,258United Airlines
Find Deal
Mon, 6 Oct - Mon, 13 Oct
United Airlines Logo
11:20 - 12:53SYD-SAN
19h 33m1 stop
United Airlines Logo
06:53 - 07:55SAN-SYD
31h 02m2 stops
$1,274United Airlines
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Air Canada Logo
11:20 - 12:03SYD-SAN
19h 43m1 stop
Air Canada Logo
18:10 - 09:35SAN-SYD
20h 25m1 stop
$1,288Air Canada
Find Deal
Wed, 12 Nov - Sat, 15 Nov
Air Canada Logo
10:00 - 15:51BNE-SAN
22h 51m1 stop
Air Canada Logo
18:10 - 08:45SAN-BNE
20h 35m1 stop
$1,338Air Canada
Find Deal
Wed, 8 Oct - Wed, 12 Nov
Japan Airlines Logo
07:20 - 09:45MEL-SAN
21h 25m1 stop
Japan Airlines Logo
07:15 - 05:40SAN-MEL
27h 25m2 stops
$1,459Japan Airlines
Find Deal
Fri, 5 Dec - Wed, 10 Dec
Japan Airlines Logo
10:30 - 10:45PER-SAN
39h 15m2 stops
Japan Airlines Logo
11:40 - 22:50SAN-PER
43h 10m2 stops
$1,521Japan Airlines
Find Deal
Tue, 28 Oct - Sat, 6 Dec
Virgin Australia Logo
10:30 - 10:27SYD-SAN
17h 57m1 stop
Virgin Australia Logo
11:08 - 08:00SAN-SYD
26h 52m1 stop
$1,655Virgin Australia
Find Deal
Sun, 5 Oct - Sun, 12 Oct
Virgin Australia Logo
11:20 - 18:29SYD-SAN
25h 09m1 stop
Virgin Australia Logo
16:07 - 07:55SAN-SYD
21h 48m1 stop
$2,032Virgin Australia
Find Deal
Mon, 6 Oct - Mon, 13 Oct

momondo Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 24 August 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 13/9

21:40-07:00

1 stop26h 20m

San Diego

Thu 18/9

09:00-19:45

1 stop17h 45m

$1,025

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 13/9

21:40-07:30

2 stops26h 50m

San Diego

Thu 18/9

09:00-19:45

1 stop17h 45m

$1,039

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Mon 6/10

11:55-19:52

2 stops25h 57m

San Diego

Mon 13/10

13:59-08:30

2 stops24h 31m

$1,258

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 7/10

11:20-12:53

1 stop19h 33m

San Diego

Tue 14/10

06:53-07:55

2 stops31h 02m

$1,274

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 12/11

11:20-12:03

1 stop19h 43m

San Diego

Sat 15/11

18:10-09:35

1 stop20h 25m

$1,288

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Wed 8/10

10:00-15:51

1 stop22h 51m

San Diego

Wed 12/11

18:10-08:45

1 stop20h 35m

$1,338

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Fri 5/12

07:20-09:45

1 stop21h 25m

San Diego

Wed 10/12

07:15-05:40

2 stops27h 25m

$1,459

PerthSan Diego

PER - SAN

PERSAN

Perth

Tue 28/10

10:30-10:45

2 stops39h 15m

San Diego

Sat 6/12

11:40-22:50

2 stops43h 10m

$1,521

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 5/10

10:30-10:27

1 stop17h 57m

San Diego

Sun 12/10

11:08-08:00

1 stop26h 52m

$1,655

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 6/10

11:20-18:29

1 stop25h 09m

San Diego

Mon 13/10

16:07-07:55

1 stop21h 48m

$2,032

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

San Diego flights insights and trends

Explore insights for your San Diego flight to craft the best travel plan

What is the cheapest month to fly to San Diego?

The month of September is, on average, the cheapest month to fly to San Diego from Australia, with most prices found around $1,467. If you’re not able to fly to San Diego in September, then October is your next best option. Flight prices from Australia to San Diego during October average around $1,579.

What is the cheapest day to depart on your flight to San Diego?

On average, the least expensive day to fly to San Diego from Australia is on a Monday. momondo users have found tickets for Monday departures for as low as $1,735. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $2,162.

What is the cheapest time of day to depart on your flight to San Diego?

Our data shows that the cheapest Australia to San Diego flights are usually those with departure times in the evening. Our users have found flights to San Diego in the evening for as low as $1,681. Try not to purchase tickets at midday because they tend to be around $2,599. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,754 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Australia for as low as $1,447 on momondo.

Cheapest flights to San Diego

Find the cheapest flights to San Diego from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN DIEGO FROM SYDNEYSeptember17% cheaperFlying from Sydney to San Diego costs on average just $1,467 in September
MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM SYDNEYDecember37% more expensiveIt costs about $2,409 for flights to San Diego from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM SYDNEYAugust144% more users visitedMore momondo users searched in flights to San Diego from Sydney in August than any other month

Cheap San Diego flight deals and tips

Summary info about San Diego flight prices, duration and airlines

Best One-Way Price

$696

Best Round-Trip Price

$1,025

Fastest flight time

19h 43m

Popular in

December
The best one-way flight price to San Diego from Australia in the last 72 hours is $696 (Brisbane to San Diego).
The best round-trip flight price to San Diego from Australia in the last 72 hours is $1,025 (Sydney Kingsford Smith to San Diego).
The fastest flight to San Diego from Australia takes 19h 43m (Sydney Kingsford Smith to San Diego).
December has the highest demand for flights to San Diego, with a 5% price increase on average.

Frequently asked questions about flying to San Diego

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Australia when booking 16 days ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,754 when searching 16 days out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Australia for as low as $950 on momondo.

Is there an alternative airport near San Diego?

Finding an alternative and possibly cheaper destination airport near San Diego is possible. If you are planning a flight to San Diego, consider booking flights to San Diego Carlsbad-Palomar Airport (47 km from San Diego city centre), Santa Ana J. Wayne/Orange Cnty Airport (126 km from San Diego city centre), Palm Springs Airport (138 km from San Diego city centre), Long Beach Municipal Airport (153 km from San Diego city centre) or Ontario Airport (155 km from San Diego city centre).

Is there a cheaper alternative to flying into San Diego?

San Diego Carlsbad-Palomar Airport has an average price of $166 per person and is typically the cheapest airport to fly into when visiting San Diego. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to San Diego?

Users booking trips to San Diego from Las Vegas found flights 80% cheaper than the average price of flights to San Diego. To find the cheapest price to San Diego from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Diego Airport?

Prices for flights to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights to San Diego Airport?

How old do you have to be to fly to San Diego 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 to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego 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.

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Lemon Grove

Why use momondo?

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

It is quick and easy to find flights to San Diego 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 San Diego that suits you.

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

Yes. momondo enables you to select and highlight flights to San Diego with this policy.

How can momondo help me find flights to San Diego?

Once all potential San Diego flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to San Diego and let you know when they change.

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Fri 29/8
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