Cheap flights from San Diego to Sydney
Cheap return flights from San Diego to Sydney
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Sydney flight facts
What you need to know
What are the cheapest airlines?
- Jetstar Airways
- Qantas
- United Airlines
These airlines usually offer the cheapest flights from San Diego to Sydney.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- Alaska Airlines
These airlines fly from San Diego to Sydney, but you’ll have at least one layover.
How long is the flight?
15 hours 30 minutes
This is the shortest flight time from San Diego to Sydney.
Alternative flights from the UK to Sydney
Check out prices for other routes
Alternative flights from San Diego
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the San Diego/Sydney route. There are around 35 flights on any given week from the UK to Sydney and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from San Diego to Sydney
Tips and advice from our flight experts
You've searched for flights from San Diego to Sydney. We've found 25 flights and compared them to give you the best offer. Jetstar Airways is, on average, the cheapest for this route. Look out for their deals! The cheapest offer we've found is a one-way ticket for the route from San Diego to Sydney on 14/04/2026 at 08:15 for £86.
We've scanned hundreds of airfares from dozens of airlines across the globe. We've found 10 airlines that operate the 12,000 km flight from San Diego to Sydney.
To find the best offers, consider booking in advance or looking for last-minute deals. The low season is typically from May to August. Jetstar Airways is a popular and affordable choice for this route, with an average flight duration of 15 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Sydney
Where other people are flying to
