Cheap flights from San Diego International to Sydney

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Compare San Diego International to Sydney flight deals

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

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Flight deals from San Diego International to Sydney

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

The cheapest month to fly from San Diego International Airport to Sydney Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the San Diego International Airport to Sydney Airport flight prices forecast over the next 12 months.

San Diego International to Sydney: Alternative routes

Compare routes from San Diego International 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 foundC$1,076
Cheapest month to flyAugust

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

The best price we found for a round-trip flight from San Diego International to Sydney is C$1,076. 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 International to Sydney. But we found flights with one or more stops from C$1,076.
There are no flights flying from San Diego International to Sydney, as of June 2025.
The cheapest month to fly from San Diego International to Sydney is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Sydney Airport on Saturday, August 16, 2025.
No airlines currently offer direct flights between San Diego International Airport 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.
Currently, Hawaiian Airlines offers the cheapest flight tickets to Sydney.

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

  • Sydney's timezone is UTC+11, which makes Sydney 18 hours ahead of San Diego.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Get to the airport on time to catch your SAN to SYD flight.

  • During popular months like July, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a high season in general.

  • Consider adding a stopover when booking your ticket from San Diego International Airport to Sydney (Kingsford Smith) Airport. Simply deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Check out these options between SAN and SYD:

    • Los Angeles International Airport

    • San Francisco International Airport

    • Dallas/Fort Worth International Airport

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

  • The cheapest price we've seen for a one-way San Diego International Airport to Sydney (Kingsford Smith) Airport flight is C$499. A return plane ticket is currently C$1,076. Depending on the availability when you book, these fares could change.

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

  • Getting cheap flights from San Diego International Airport to Sydney (Kingsford Smith) Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' tool to see the lowest prices across each month and snap up a great deal.

  • Landing cheap flights from SAN to SYD couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

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

Handy information about San Diego International Airport (SAN)

  • SAN is located at Airport Drive.

  • When it comes to the on-time performance of San Diego International Airport, 71.38% of flights stick to their scheduled arrival time.

  • Central San Diego to San Diego International Airport is around 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of around 20 minutes on public transport.

  • Searching for a handy hotel near SAN? If you're catching an early flight from San Diego International Airport to Sydney (Kingsford Smith) Airport, these accommodation options will put you moments from your departure gate:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

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

  • Sydney (Kingsford Smith) Airport is approximately 18 kilometres from the centre of Sydney. The drive time takes about 20 minutes.

  • It typically takes 25 minutes to get there by public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • The quietest month for a flight from San Diego International Airport to Sydney (Kingsford Smith) Airport is April, while April is the most popular. Choose the best time to go to Sydney based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from San Diego International Airport to Sydney (Kingsford Smith) Airport for January if you'd like to go to Sydney during its warmest month. Expect temperatures of between 17ºC (63ºF) and 32ºC (90ºF).

  • If you want cooler conditions, search for a cheap ticket from SAN to SYD in July. Average temperatures are between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of Australia

  • Sydney has its own special appeal, but there are so many other corners of Australia just waiting to be explored. Around 241 kilometres south-west of Sydney, a trip to Canberra will keep your itinerary packed. Start with leading attractions like Australian War Memorial, National Gallery of Australia and Parliament House.

  • Newcastle is another well-known destination in Australia and is around 121 kilometres north-east of Sydney. No trip is complete without dropping by Newcastle Beach, Nobbys Beach and Merewether Beach.

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