Cheap flights from San Diego to Sydney from $280
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Sydney departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from San Diego to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between San Diego and Sydney?
What is the cheapest month to fly to Sydney?
In general, August is the cheapest month to fly from San Diego to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $986. If you are unable to visit Sydney during the month of August, then departing from San Diego during the month June is also very affordable. Most momondo users find prices during this month for around $996.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart from San Diego to Sydney is on a Monday when prices can be found for as low as $1,157. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $1,453.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from San Diego to Sydney at noon for as low as $1,128. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,286. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,188 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from San Diego for as low as $966 on momondo.
Can stopping save me money on San Diego to Sydney flights?
You could potentially save up to 7% on your flight if you consider stops on a San Diego to Sydney flight.
How have San Diego to Sydney flight prices changed over time?
As of July 2025, prices for San Diego to Sydney flights are approximately 41% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from San Diego to Sydney Kingsford Smith?
American Airlines, Delta, and United Airlines are the most popular carriers operating from San Diego to Sydney Kingsford Smith
What airlines fly to Sydney?
United Airlines, Delta and Air Canada are the top three most popular airlines that fly to Sydney from San Diego according to our data. United Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.
When to book flights from San Diego to Sydney
Cheap San Diego to Sydney (SAN to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Sydney
How far is San Diego to Sydney Kingsford Smith by plane?
Sydney Kingsford Smith is 7507.7 mi away from San Diego. In terms of flight time, this usually takes a little over 17h 16m.
When did momondo last update prices for flights from San Diego Airport to Sydney Kingsford Smith Airport?
Prices for flights from San Diego Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Sydney Kingsford Smith Airport?
There are 6 operators available for flights from San Diego Airport to Sydney Kingsford Smith Airport as of July 2025.
How old do you have to be to fly from San Diego Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Diego to Sydney?
Based on momondo bookings for flights between San Diego and Sydney, the leading airline is United Airlines, making up 61% of the total bookings. Other popular airlines include Delta with 17%, Air Canada with 12%, and Hawaiian Airlines with 5%.
Best airlines flying from San Diego to Sydney
Compare and see reviews for airlines that fly from San Diego to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $748 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $899 | Free Cancellation | Rating 7.1 9,681 reviews | |||
| PriceFrom $901 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $911 | Free Cancellation | Rating 8.0 486 reviews | |||
| PriceFrom $954 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $983 | Free Cancellation | Rating 7.8 2,545 reviews |
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Diego to Sydney?
It is quick and easy to find San Diego to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.
Can I find flights from San Diego to Sydney with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Sydney from San Diego with this policy.
How can momondo help me find flights from San Diego to Sydney?
Once you have performed a search for San Diego to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Diego to Sydney right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Diego to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.