Cheap Flights from San Diego to Sydney

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 February.

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 found$1,729
Cheapest month to flyFebruary

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 $1,729. 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 $1,729.
As of December 2025, there are no flights flying from San Diego to Sydney.
The cheapest month to fly from San Diego to Sydney is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Sydney Airport on Sunday, 1 February 2026.
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 Air Canada .

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

  • Planning your trip begins with figuring out where you'll leave from in San Diego. San Diego International Airport (SAN) is the city's main airport, so explore your options for booking a flight from San Diego to Sydney (Kingsford Smith) Airport (SYD) departing from here.

  • Sydney (Kingsford Smith) Airport is located in Sydney. The city runs on the UTC+11 timezone and is 18 hours ahead of San Diego.

  • Arrive at the airport on time so you don't miss your flight from San Diego to SYD. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Planning to travel during a peak time like school or public holidays? Expect longer queues at check-in and security. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in San Diego

San Diego International Airport (SAN)

  • We make it a piece of cake to find cheap flights from San Diego to SYD with a stopover. To explore your options departing from San Diego International Airport (SAN), deselect 'Direct flights only.' Then, select a flight offering a stop long enough to tour the city of your choice. Major stopovers between SAN and SYD include:

    • Dallas/Fort Worth International Airport (DFW)

    • Los Angeles International Airport (LAX)

    • San Francisco International Airport (SFO)

  • Located around 5 kilometres from central San Diego, SAN can be reached in about 10 minutes by car, depending on traffic. The journey on public transport takes roughly 20 minutes.

  • Looking for a comfortable hotel close to San Diego International Airport? If you've booked an early flight from San Diego to Sydney (Kingsford Smith) Airport, these accommodation options will put you moments from your departure gate:

  • 71.38% of flights taking off from San Diego International Airport touch down at their destination on time.

  • SAN's address is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Using public transport, you can travel from central San Diego to CLD in around 2 hours 15 minutes. The airport is roughly 56 kilometres away, and making the trip by car takes approximately 40 minutes.

  • Get your holiday started early with an extra night away from home. Before your San Diego to SYD flight, stay in one of these hotels near McClellan-Palomar Airport:

About Sydney (Kingsford Smith) Airport (SYD)

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

  • Sydney (Kingsford Smith) Airport is around 18 kilometres from the centre of Sydney. It takes around 20 minutes or so to drive to the city.

  • Travelling by public transport will take you around 25 minutes.

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

  • The cheapest price we've found for a one-way ticket from San Diego to Sydney (Kingsford Smith) Airport is $894. For a return flight on this route, the best price is $1,729. Depending on when you want to go and the availability, these fares can change.

  • Booking in advance is often the key to finding a cheap flight from San Diego to SYD. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest San Diego to Sydney (Kingsford Smith) Airport tickets throughout the month. It's an easy way to snap up a bargain if your trip dates aren't set in stone.

  • Finding a cheap flight ticket from San Diego to SYD is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when prices go down.

  • Hunt for savings on a flight from San Diego to Sydney (Kingsford Smith) Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

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

  • Think about the pace you're looking for when picking your flight dates. April is the quietest month to visit Sydney. July is when most people book flights from San Diego to Sydney (Kingsford Smith) Airport (SYD), which may be perfect if you're after more action.

  • The warmest month in Sydney is January, with temperatures ranging between 17ºC and 32ºC. Lock in your San Diego to SYD flight ticket then if you enjoy this type of weather.

  • Search for cheap tickets from San Diego to Sydney (Kingsford Smith) Airport in July if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC and 19ºC.

More about Sydney

  • After booking your flight from San Diego to Sydney (Kingsford Smith) Airport, find a hotel that offers a good mix of location and comfort. Make one of these accommodation options your base for exploring Sydney:

  • Sydney Harbour and Sydney Harbour Bridge are just the start of the major attractions to add to your Sydney itinerary. Keep the adventure rolling by checking out Sydney Harbour.

Explore more of Australia

  • You've seen Sydney, now it's time to discover more of Australia. Travel about 241 kilometres south-west to Canberra to check off its top sights. From Australian War Memorial to National Gallery of Australia and National Portrait Gallery, you've got a jam-packed schedule ahead.

  • If you want to check out another side of Australia, head for Newcastle, about 129 kilometres north-east of Sydney. Merewether Beach, Bathers Way Coastal Walk and Nobbys Beach are highlights.

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