$1,223 Cheap Flights from San José (SJO) to Adelaide (ADL)

View $1,223 flight on Mon, Aug 17, 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Adelaide, SA Airport (ADL)

Cheap Flights from San José to Adelaide (SJO-ADL)

Prices were available within the past 7 days and start at $1,223 for one-way flights and $2,061 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,061 Roundtrip, found 1 day ago
$2,061
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,061 found 1 day ago
United
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,073 Roundtrip, found 1 day ago
$2,073
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,073 found 1 day ago
United
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,077 Roundtrip, found 1 day ago
$2,077
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,077 found 1 day ago
United
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,084 Roundtrip, found 1 day ago
$2,084
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,084 found 1 day ago
American Airlines
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,089 Roundtrip, found 1 day ago
$2,089
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,089 found 1 day ago
United
Mon, Aug 17 - Mon, Aug 31
SJO
San José
ADL
Adelaide
$2,090 Roundtrip, found 10 hours ago
$2,090
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Mon, Aug 31, priced at $2,090 found 10 hours ago
United
Mon, Aug 17 - Mon, Aug 31
SJO
San José
ADL
Adelaide
$2,092 Roundtrip, found 10 hours ago
$2,092
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Mon, Aug 31, priced at $2,092 found 10 hours ago
United
Mon, Aug 17 - Mon, Aug 31
SJO
San José
ADL
Adelaide
$2,096 Roundtrip, found 10 hours ago
$2,096
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 17 from San José to Adelaide, returning Mon, Aug 31, priced at $2,096 found 10 hours ago
Iberia
Mon, Aug 17 - Tue, Sep 1
SJO
San José
ADL
Adelaide
$2,835 Roundtrip, found 1 day ago
$2,835
Roundtrip
found 1 day ago
Select Iberia flight, departing Mon, Aug 17 from San José to Adelaide, returning Tue, Sep 1, priced at $2,835 found 1 day ago
Qatar Airways
Mon, Aug 17 - Mon, Aug 31
SJO
San José
ADL
Adelaide
$3,027 Roundtrip, found 10 hours ago
$3,027
Roundtrip
found 10 hours ago
Select Qatar Airways flight, departing Mon, Aug 17 from San José to Adelaide, returning Mon, Aug 31, priced at $3,027 found 10 hours ago

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL) cost?
Get a cheap one-way flight from $1,223 or cheap return flight from $2,061 from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL)?
Flying in August is a great way to save, as it's the cheapest month for flights between SJO and ADL. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SJO to ADL. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL)?
There are no daily nonstop flights departing from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SJO to ADL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL)?
To avoid possible delays on the Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**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 Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL) last-minute?
Holding off until just before your departure to book a flight from SJO to ADL generally means paying more. While it's possible to find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book a SJO to ADL flight and hotel package?
You'll typically save money by securing a SJO to ADL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Adelaide Airport (ADL)?
If you booked your SJO to ADL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Adelaide
Airlines serving
American Airlines, Iberia, Qatar Airways, United
Roundtrip price
$2,061
Distance
9245 mi

Book with confidence

San José to Adelaide Flights

The cheapest times to fly from San José to Adelaide

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 San José to Adelaide are during the month of August. You can find some of the cheapest flights from San José to Adelaide with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San José to Adelaide: 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 San José to Adelaide

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 San José to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,223 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 San José to Adelaide 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 San José to Adelaide 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.

 

San José to Adelaide Flights

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*Available to One Key members.