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Cheap flights from Adelaide to Costa Rica from $3,112

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Costa Rica departing on 28/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Adelaide to Costa Rica

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:05 - 07:15
ADL
-
SJO
40h 40m
2 stops
United Airlines Logo
08:45 - 11:05
SJO
-
ADL
34h 50m
2 stops
$3,112United Airlines
Thu, 28 May - Mon, 1 Jun
United Airlines Logo
06:05 - 07:15
ADL
-
SJO
40h 40m
2 stops
United Airlines Logo
08:45 - 11:05
SJO
-
ADL
34h 50m
2 stops
$3,115United Airlines
Thu, 28 May - Mon, 1 Jun
United Airlines Logo
06:05 - 07:15
ADL
-
SJO
40h 40m
2 stops
United Airlines Logo
08:45 - 11:05
SJO
-
ADL
34h 50m
2 stops
$3,118United Airlines
Thu, 28 May - Mon, 1 Jun
United Airlines Logo
18:55 - 07:15
ADL
-
SJO
51h 50m
2 stops
United Airlines Logo
08:45 - 11:05
SJO
-
ADL
34h 50m
2 stops
$3,427United Airlines
Sat, 1 Aug - Sat, 15 Aug
United Airlines Logo
06:05 - 07:15
ADL
-
SJO
40h 40m
2 stops
United Airlines Logo
08:45 - 11:05
SJO
-
ADL
34h 50m
2 stops
$3,561United Airlines
Thu, 28 May - Mon, 1 Jun
Multiple Airlines Logo
07:50 - 23:43
ADL
-
SJO
31h 23m
3 stops
Multiple Airlines Logo
12:30 - 09:25
SJO
-
ADL
29h 25m
2 stops
$3,734Multiple Airlines
Sat, 1 Aug - Sat, 15 Aug
Multiple Airlines Logo
07:50 - 15:40
ADL
-
SJO
47h 20m
3 stops
Multiple Airlines Logo
12:25 - 20:05
SJO
-
ADL
40h 10m
3 stops
$4,656Multiple Airlines
Sat, 1 Aug - Sat, 15 Aug

United Airlines flights from Adelaide to Costa Rica

Our best United Airlines deals on Adelaide to Costa Rica flight tickets
United Airlines
28 May
ADL06:05Adelaide
40h 40m
2 stops
SJO07:15San José Juan Santamaria Intl
1 June
SJO08:45San José Juan Santamaria Intl
34h 50m
2 stops
ADL11:05Adelaide
$3,112
United Airlines
28 May
ADL06:05Adelaide
40h 40m
2 stops
SJO07:15San José Juan Santamaria Intl
1 June
SJO08:45San José Juan Santamaria Intl
34h 50m
2 stops
ADL11:05Adelaide
$3,115
United Airlines
28 May
ADL06:05Adelaide
40h 40m
2 stops
SJO07:15San José Juan Santamaria Intl
1 June
SJO08:45San José Juan Santamaria Intl
34h 50m
2 stops
ADL11:05Adelaide
$3,118

momondo Fare Finder

 
Customise your flight search to find flights from Adelaide to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Adelaide to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Thu 28/5

06:05-07:15

2 stops40h 40m

San José Juan Santamaria Intl

Mon 1/6

08:45-11:05

2 stops34h 50m

$3,112

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Thu 28/5

06:05-07:15

2 stops40h 40m

San José Juan Santamaria Intl

Mon 1/6

08:45-11:05

2 stops34h 50m

$3,115

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Thu 28/5

06:05-07:15

2 stops40h 40m

San José Juan Santamaria Intl

Mon 1/6

08:45-11:05

2 stops34h 50m

$3,118

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Sat 1/8

18:55-07:15

2 stops51h 50m

San José Juan Santamaria Intl

Sat 15/8

08:45-11:05

2 stops34h 50m

$3,427

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Thu 28/5

06:05-07:15

2 stops40h 40m

San José Juan Santamaria Intl

Mon 1/6

08:45-11:05

2 stops34h 50m

$3,561
Fastest return journey

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Sat 1/8

07:50-23:43

3 stops31h 23m

San José Juan Santamaria Intl

Sat 15/8

12:30-09:25

2 stops29h 25m

$3,734

AdelaideSan José

ADL - SJO

ADLSJO

Adelaide

Sat 1/8

07:50-15:40

3 stops47h 20m

San José Juan Santamaria Intl

Sat 15/8

12:25-20:05

3 stops40h 10m

$4,656

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Adelaide to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Costa Rica

Fastest flight time

40h 40m

Direct flights

None
The fastest flight from Adelaide to Costa Rica takes 40h 40m
There are no direct flights from Adelaide to Costa Rica. There are no popular flight routes from Adelaide to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Adelaide Airport to Costa Rica?

    Prices for flights from Adelaide Airport to Costa Rica refresh daily.

  • How old do you have to be to fly from Adelaide Airport to Costa Rica?

    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 stopovers 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 Adelaide Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Adelaide to Costa Rica?

    Confirm your travel details to search for the latest offers for flights from Adelaide to Costa Rica. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Adelaide to Costa Rica with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Adelaide to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Adelaide to Costa Rica . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Adelaide to Costa Rica with flexible booking policies on momondo?

momondo does allow users to show only those flights to Costa Rica from Adelaide which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Adelaide to Costa Rica?

Once you have performed a search for Adelaide to Costa Rica 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 Adelaide to Costa Rica right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Costa Rica from Adelaide. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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