Cheap flights from Sydney to San Diego

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Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from Sydney to San Diego

Looking for a cheap last-minute deal or the best return flight from Sydney to San Diego? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to San Diego flights are currently cheapest in March.

Alternative Sydney to San Diego routes

Looking for the cheapest, fastest or easiest route from Sydney to San Diego? You could fly into the following airports instead.

Sydney to San Diego: Flight information

The things to know before you go.
Cheapest flight foundP52,721
Cheapest month to flyMarch

Finding cheap flights from Sydney to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Sydney to San Diego is P52,721. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to San Diego. But we found flights with one or more stops from P52,721.
As of March 2025, there are no flights flying from Sydney to San Diego.
The cheapest month to fly from Sydney to San Diego is usually March 2025.
If you're flying from Sydney Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from P52,721.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to San Diego on Tuesday, 25 March 2025.
No airlines currently offer direct flights between Sydney Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 14°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Jetstar offers the cheapest flight tickets to San Diego.

Flying from Sydney (Kingsford Smith) Airport (SYD) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is 18 hours behind Sydney, where Sydney (Kingsford Smith) Airport is located.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your flight from SYD to San Diego.

  • During popular months like July, it's wise to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

  • A stopover is the perfect opportunity to take a travel break — and perhaps even tour another city. When browsing flights from SYD to San Diego, deselect the 'Direct flights only' box to see where you can stop along the way. Top options include:

    • San Francisco International Airport (SFO)

    • Daniel K. Inouye International Airport (HNL)

    • Los Angeles International Airport (LAX)

  • You will need an ETA for United States if you hold a passport from Australia and are travelling for tourism purposes. Visa and travel documentation requirements can change. So before you book your cheap ticket from Sydney (Kingsford Smith) Airport to San Diego, check with your airline and the destination country's local embassy or consulate for the latest updates.

  • SYD is around 18 kilometres from central Sydney. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 21 minutes or so to get there, depending on the traffic. If you're using public transport, expect the journey time to be around 27 minutes.

  • Looking for a handy hotel near SYD? If you've booked an early flight from Sydney (Kingsford Smith) Airport to San Diego, these accommodation options will have you sleeping moments from your departure lounge:

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to San Diego

  • P22,259 is the cheapest price we've seen for a one-way ticket from Sydney (Kingsford Smith) Airport to San Diego. For a return flight on this route, the best price is P52,721. Depending on the availability when you book, these fares may change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from SYD to San Diego if you book in advance. Airlines often offer some fantastic early bird discounts.

  • Finding cheap tickets from Sydney (Kingsford Smith) Airport to San Diego is more likely if you're flexible with your travel dates. Use the 'Whole month' function to show the lowest prices throughout the month and score a great deal.

  • Set up a Price Alert for cheap tickets from SYD to San Diego. There's no need to check back in every day to see if prices have fallen. We'll let you know when there's a change in price.

  • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It takes about 9 minutes to reach the centre driving.

  • It typically takes 20 minutes when travelling by public transport.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Sydney (Kingsford Smith) Airport to San Diego. Stay at one of these accommodation options near SAN instead:

McClellan-Palomar Airport (CLD)

  • Central San Diego is approximately 56 kilometres from McClellan-Palomar Airport (CLD). After your flight from Sydney (Kingsford Smith) Airport to San Diego has touched down and you've made your way out of the airport, expect a drive of about 39 minutes.

  • The trip will take about 2 hours and 14 minutes on public transport.

  • After your flight from SYD to San Diego, tuck yourself in at a hotel close to CLD. These are some great options that'll help you get into relaxation mode:

Best time to go to San Diego

  • July is the busiest month to hop on a flight from Sydney (Kingsford Smith) Airport to San Diego while May is the quietest. To work out the best time to visit San Diego, consider whether you prefer a lively vibe or a quieter pace.

  • The warmest month in San Diego is August, with temperatures ranging between 17ºC and 28ºC. Lock in your flights from Sydney (Kingsford Smith) Airport to San Diego in this month if you enjoy this type of weather.

  • February sees average temperatures of between 7ºC and 23ºC. Search for cheap flights from SYD to San Diego sometime around then if you'd rather travel in cooler conditions.

More about San Diego

Complete your San Diego trip with a car rental

  • We use the same magic that helped you find your cheap flight from Sydney (Kingsford Smith) Airport to San Diego to track down awesome deals on car rentals. Search for your ride in seconds and compare offers in one place. Plus we give you all the info you need to know about car rentals in San Diego, from the most popular rental company to the best time to book.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.