$816 Cheap Flights from Adelaide (ADL) to San Diego (SAN)

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Find available prices by choosing your travel dates.

Cheap Flights from Adelaide to San Diego (ADL-SAN)

Prices were available within the past 7 days and start at $816 for one-way flights and $1,421 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Air Canada
Air Canada
Fiji Airways
Fiji Airways
Air Canada
Air Canada
Fiji Airways
Jetstar
American Airlines
Flights from Adelaide (ADL) to San Diego (SAN)
Origin airport
Adelaide
Destination airport
San Diego Intl.
Airlines serving
Air Canada, American Airlines, Hawaiian Airlines, Qatar Airways, United
Roundtrip price
$1,421
Distance
8198 mi

Adelaide to San Diego Flights

The cheapest times to fly from Adelaide to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to San Diego are during the month of June. You can find some of the cheapest flights from Adelaide to San Diego with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Adelaide to San Diego

Sunday is one of the best days to book for cheap flights from Adelaide to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Adelaide to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $816 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from ADL to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ADL to SAN?
The cheapest flights from ADL to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ADL to SAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ADL to SAN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN)?
You’ll need to book a flight with a layover if you’re traveling from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ADL to SAN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN)?
To avoid potential delays on the Adelaide Airport (ADL) to San Diego Intl. Airport (SAN) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN) last-minute?
Waiting until just before your trip to book a ticket from ADL to SAN often results in higher prices. While you might find some last-minute discounts, they aren’t always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book an ADL to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking an ADL to SAN flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to San Diego Intl. Airport (SAN)?
If you reserved your ADL to SAN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.