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Look for other cheap flights to San Diego

$667 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 22/2. 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

Enter your travel dates to find the best prices.
Air Canada Logo
09:20 - 20:53
SYD
-
SAN
28h 33m
1 stop
Air Canada Logo
08:25 - 07:20
SAN
-
SYD
29h 55m
1 stop
$1,254Air Canada
Thu, 16 Jul - Thu, 13 Aug
Delta Logo
10:00 - 18:45
MEL
-
SAN
25h 45m
2 stops
Delta Logo
11:01 - 07:50
SAN
-
MEL
27h 49m
1 stop
$1,274Delta
Fri, 29 May - Wed, 3 Jun
Delta Logo
10:00 - 14:57
MEL
-
SAN
21h 57m
1 stop
Delta Logo
15:15 - 07:50
SAN
-
MEL
23h 35m
1 stop
$1,275Delta
Fri, 29 May - Wed, 3 Jun
Delta Logo
10:00 - 18:59
MEL
-
SAN
25h 59m
1 stop
Delta Logo
10:05 - 07:50
SAN
-
MEL
28h 45m
1 stop
$1,276Delta
Sun, 19 Apr - Wed, 22 Apr
United Airlines Logo
10:30 - 18:33
MEL
-
SAN
26h 03m
2 stops
United Airlines Logo
16:00 - 08:30
SAN
-
MEL
22h 30m
2 stops
$1,289United Airlines
Mon, 16 Mar - Mon, 23 Mar
United Airlines Logo
11:30 - 10:24
MEL
-
SAN
17h 54m
1 stop
United Airlines Logo
11:03 - 08:30
SAN
-
MEL
27h 27m
1 stop
$1,302United Airlines
Tue, 3 Mar - Tue, 10 Mar
Japan Airlines Logo
00:10 - 11:35
PER
-
SAN
26h 25m
2 stops
Japan Airlines Logo
13:35 - 00:40
SAN
-
PER
44h 05m
2 stops
$1,960Japan Airlines
Sat, 15 Aug - Sun, 30 Aug
Virgin Australia Logo
23:45 - 19:48
PER
-
SAN
36h 03m
2 stops
Virgin Australia Logo
11:03 - 23:00
SAN
-
PER
44h 57m
2 stops
$2,278Virgin Australia
Fri, 6 Mar - Tue, 10 Mar
Virgin Australia Logo
23:45 - 18:33
PER
-
SAN
34h 48m
2 stops
Virgin Australia Logo
11:03 - 23:00
SAN
-
PER
44h 57m
2 stops
$2,280Virgin Australia
Fri, 6 Mar - Tue, 10 Mar
Air New Zealand Logo
08:15 - 20:12
BNE
-
SAN
28h 57m
3 stops
Air New Zealand Logo
07:20 - 11:05
SAN
-
BNE
34h 45m
2 stops
$3,665Air New Zealand
Wed, 1 Apr - Wed, 8 Apr

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 18 February 2026.
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

Thu 16/7

09:20-20:53

1 stop28h 33m

San Diego

Thu 13/8

08:25-07:20

1 stop29h 55m

$1,254

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Fri 29/5

10:00-18:45

2 stops25h 45m

San Diego

Wed 3/6

11:01-07:50

1 stop27h 49m

$1,274

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Fri 29/5

10:00-14:57

1 stop21h 57m

San Diego

Wed 3/6

15:15-07:50

1 stop23h 35m

$1,275

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Sun 19/4

10:00-18:59

1 stop25h 59m

San Diego

Wed 22/4

10:05-07:50

1 stop28h 45m

$1,276

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Mon 16/3

10:30-18:33

2 stops26h 03m

San Diego

Mon 23/3

16:00-08:30

2 stops22h 30m

$1,289

MelbourneSan Diego

MEL - SAN

MELSAN

Melbourne

Tue 3/3

11:30-10:24

1 stop17h 54m

San Diego

Tue 10/3

11:03-08:30

1 stop27h 27m

$1,302

PerthSan Diego

PER - SAN

PERSAN

Perth

Sat 15/8

00:10-11:35

2 stops26h 25m

San Diego

Sun 30/8

13:35-00:40

2 stops44h 05m

$1,960

PerthSan Diego

PER - SAN

PERSAN

Perth

Fri 6/3

23:45-19:48

2 stops36h 03m

San Diego

Tue 10/3

11:03-23:00

2 stops44h 57m

$2,278

PerthSan Diego

PER - SAN

PERSAN

Perth

Fri 6/3

23:45-18:33

2 stops34h 48m

San Diego

Tue 10/3

11:03-23:00

2 stops44h 57m

$2,280

BrisbaneSan Diego

BNE - SAN

BNESAN

Brisbane

Wed 1/4

08:15-20:12

3 stops28h 57m

San Diego

Wed 8/4

07:20-11:05

2 stops34h 45m

$3,665

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 $1,190. 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 $1,320.

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 $1,487 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 $1,278 on momondo.

Cheapest flights to San Diego

Find the cheapest flights to San Diego from your nearest city or airport
Find flights from Sydney to San Diego
CHEAPEST MONTH TO FLY TO SAN DIEGO FROM SYDNEYSeptember20% cheaperFlying from Sydney to San Diego costs on average just $1,190 in September
MOST EXPENSIVE MONTH TO FLY TO SAN DIEGO FROM SYDNEYDecember18% more expensiveIt costs about $1,766 for flights to San Diego from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN DIEGO FROM SYDNEYAugust233% 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

$667

Best Round-Trip Price

$1,254

Fastest flight time

26h 20m

Popular in

June
The best one-way flight price to San Diego from Australia in the last 72 hours is $667 (Brisbane to San Diego).
Search Deals
The best round-trip flight price to San Diego from Australia in the last 72 hours is $1,254 (Sydney Kingsford Smith to San Diego).
Search Deals
The fastest flight to San Diego from Australia takes 26h 20m (Sydney Kingsford Smith to San Diego).
Search Deals
June has the highest demand for flights to San Diego, with a 24% price increase on average.
Search Deals

Frequently asked questions about flying to San Diego

When is the best time to plan a beach trip to San Diego?

The month of August is often the best time to visit San Diego to go to the beach due to the weather. Mission Beach is the most often visited beach in the area.

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 24 days ahead of your departure date. In general, you can expect to find flights to San Diego for around $1,487 when searching 24 days out.

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?

Santa Ana J. Wayne/Orange Cnty Airport has an average price of $84 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.

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?

As of February 2026, there are 7 operators available to choose from 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.

An easier way to manage your San Diego trip

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Find better results for your trip to San Diego

Popular Flights to San Diego

Popular routes according to searches in the past day on momondo
Melbourne to San Diego Flightsfrom $902
Sydney Kingsford Smith to San Diego Flightsfrom $916
Perth to San Diego Flightsfrom $1,410
Brisbane to San Diego Flightsfrom $1,427