Cheap Flights from San Diego to Sydney

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Compare San Diego to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

Book the best Sydney fare with no extra fees

Flight deals from San Diego to Sydney

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

Find the cheapest month to fly from San Diego to Sydney

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

San Diego to Sydney: Alternative routes

Compare routes from San Diego to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

San Diego to Sydney: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 18,066
Cheapest month to flyAugust

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

The best price we found for a return flight from San Diego to Sydney is ج.م.‏ 39,193. 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 San Diego to Sydney. But we found flights with one stop from ج.م.‏ 39,193.
As of June 2025, there are no flights flying from San Diego to Sydney.
The cheapest month to fly from San Diego to Sydney is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Sydney Airport on Saturday, 16 August 2025.
No airlines currently offer direct flights between San Diego and Sydney Airport. 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 Sydney 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 Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sydney is Hawaiian Airlines .

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

  • San Diego's main base, San Diego International Airport (SAN), is where countless awesome holidays begin. Explore your departure options from here for your flight from San Diego to Sydney (Kingsford Smith) Airport (SYD).

  • Sydney is 18 hours ahead of San Diego. Sydney (Kingsford Smith) Airport is located in Sydney, which operates on the UTC+11 timezone.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your flight from San Diego to SYD.

  • July is a busy month for travelling. If you're taking off then or during a major holiday like Christmas or Thanksgiving, show up even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in San Diego

San Diego International Airport (SAN)

  • We make it simple to plan a flight from San Diego to SYD with a stopover. To see all your options departing from San Diego International Airport (SAN), deselect 'Direct flights only.' Next, choose a flight offering a stop long enough to see the sights of your chosen city. Major stopovers between SAN and SYD include:

    • Dallas/Fort Worth International Airport (DFW)

    • Los Angeles International Airport (LAX)

    • San Francisco International Airport (SFO)

  • SAN is approximately 5 kilometres from the centre of San Diego. To help you work out how to get there, use Google Maps. This essential traveller tool will give you the quickest route and available public transport options.

  • Have an early flight from San Diego to Sydney (Kingsford Smith) Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near San Diego International Airport:

About Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • From Sydney (Kingsford Smith) Airport, Sydney is approximately 18 kilometres away. It takes around 21 minutes to reach the centre driving.

  • Travelling by public transport takes around 27 minutes.

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

  • The lowest price we've seen for a one-way ticket from San Diego to Sydney (Kingsford Smith) Airport is ج.م.‏ 17,945. The cheapest price for a return flight is ج.م.‏ 39,193. Keep in mind fares may change due to availability at the time of booking.

  • It's usually best to book as early as possible if you're hoping to get cheap tickets from San Diego to SYD. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • Use the 'Whole month' search tool and compare the prices of tickets from San Diego to Sydney (Kingsford Smith) Airport across the entire month. The lowest fares are highlighted in green, so you can easily choose a flight within your budget.

  • Create a Price Alert for cheap flight tickets from San Diego to SYD. There's no need to check every day to see whether prices have dropped. We'll update you as soon as there's a change in price.

  • Personalise your trip using filters. Adjust the duration, number of stops, and arrival and departure times to find the right flight from San Diego to Sydney (Kingsford Smith) Airport. You can also sort the results to see the 'Best,' 'Fastest' or 'Cheapest' options first.

The best time to fly from San Diego to Sydney (Kingsford Smith) Airport (SYD)

  • July is the most popular month to catch a flight from San Diego to Sydney (Kingsford Smith) Airport while April is the quietest. To work out the ideal time to visit Sydney, consider your preferred travel pace and style.

  • Schedule your flight from San Diego to SYD for January if you're eager to visit the city during its warmest month. Expect temperatures in Sydney to range from 17ºC to 32ºC.

  • If you'd rather travel in cooler conditions, lock in a cheap flight from San Diego to Sydney (Kingsford Smith) Airport in July when temperatures average between 5ºC and 19ºC.

More about Sydney

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Sydney right here. Check out these hotels once you've locked in your flight from San Diego to Sydney (Kingsford Smith) Airport:

  • There are so many things to do and see in this city it can be hard to know where to start. Sydney Opera House, Sydney Harbour Bridge and Bondi Beach are highlights which should feature on every Sydney itinerary.

Complete your Sydney trip with a car rental

  • Grab the keys to one of our car rentals in Sydney and see the sights at your own pace. Easily compare prices from trusted providers in one go after booking your hotel and cheap flights from San Diego to Sydney (Kingsford Smith) Airport.

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