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$1,493+ Cheap flights from Costa Rica to Australia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SYD
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Costa Rica to Australia

Cheapest flights from Costa Rica to Australia
Explore the most affordable flight options available from Costa Rica to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:05 am
SJO
-
SYD
2 stops34h 25m
Multiple Airlines
Thu 5/75:50 pm
SYD
-
SJO
1 stop21h 55m
Multiple Airlines
Deal found 2/12$1,493
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:53 am
SJO
-
SYD
1 stop38h 37m
Multiple Airlines
Thu 5/288:45 pm
SYD
-
SJO
2 stops42h 48m
Multiple Airlines
Deal found 2/13$1,544
This Trip.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
SJO
-
SYD
3 stops32h 05m
Multiple Airlines
Sat 6/209:10 am
SYD
-
SJO
3 stops28h 41m
Multiple Airlines
Deal found 2/12$1,588
This Trip.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:05 am
SJO
-
SYD
2 stops34h 00m
Multiple Airlines
Sat 10/39:10 am
SYD
-
SJO
2 stops39h 35m
Multiple Airlines
Deal found 2/12$1,598
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/241:03 am
SJO
-
SYD
2 stops49h 42m
Multiple Airlines
Sun 4/268:45 pm
SYD
-
SJO
2 stops43h 00m
Multiple Airlines
Deal found 2/14$1,612
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:03 am
SJO
-
SYD
1 stop38h 27m
Multiple Airlines
Thu 4/168:45 pm
SYD
-
SJO
2 stops43h 08m
Multiple Airlines
Deal found 2/13$1,631
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 am
SJO
-
SYD
3 stops38h 05m
Multiple Airlines
Tue 6/165:50 pm
SYD
-
SJO
1 stop21h 53m
Multiple Airlines
Deal found 2/12$1,712
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:27 am
SJO
-
SYD
1 stop36h 58m
Multiple Airlines
Tue 2/175:45 pm
SYD
-
SJO
2 stops39h 05m
Multiple Airlines
Deal found 2/11$1,730
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:30 am
SJO
-
MEL
2 stops34h 00m
United Airlines
Tue 3/3111:55 am
MEL
-
SJO
2 stops39h 16m
United Airlines
Deal found 2/12$1,911
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:55 am
SJO
-
MEL
2 stops32h 20m
United Airlines
Sat 10/1711:55 am
MEL
-
SJO
2 stops41h 31m
United Airlines
Deal found 2/10$1,922
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:45 am
SJO
-
MEL
1 stop31h 30m
United Airlines
Sat 7/410:55 am
MEL
-
SJO
2 stops27h 44m
United Airlines
Deal found 2/11$1,931

Find flight deals from Costa Rica to Australia

Keep the following information in mind while searching for Costa Rica to Australia flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,493
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,910
Provider with most accurate pricing for San José Juan Santamaria Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Sydney Kingsford Smith flights.
Search Deals
From Costa Rica to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica to Australia 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, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Costa Rica to Australia that are best for you.

Fly from

Costa Rica

Fly to

Australia

Route

Depart

Return

Price

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Thu 5/14

12:53 am-7:30 am

1 stop38h 37m

Sydney Kingsford Smith

Thu 5/28

5:50 pm-11:33 pm

1 stop21h 43m

$1,587

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 3/24

1:03 am-7:45 pm

2 stops49h 42m

Sydney Kingsford Smith

Sat 4/25

8:45 pm-11:45 pm

2 stops43h 00m

$1,612

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Wed 4/8

1:03 am-7:30 am

1 stop38h 27m

Sydney Kingsford Smith

Thu 4/16

8:45 pm-11:53 pm

2 stops43h 08m

$1,631

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 6/1

5:05 am-7:05 am

2 stops34h 00m

Sydney Kingsford Smith

Sat 6/20

9:10 am-8:30 am

2 stops39h 20m

$1,694

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 6/1

12:53 am-11:50 am

2 stops42h 57m

Sydney Kingsford Smith

Tue 6/16

5:50 pm-11:43 pm

1 stop21h 53m

$1,763

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 3/30

5:05 am-7:30 am

2 stops33h 25m

Sydney Kingsford Smith

Mon 4/6

9:10 am-8:45 am

2 stops39h 35m

$1,780

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 4/13

7:00 am-7:30 am

3 stops32h 30m

Sydney Kingsford Smith

Thu 5/7

5:50 pm-11:15 am

3 stops33h 25m

$1,909

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Sat 3/7

9:40 am-10:00 am

1 stop31h 20m

Melbourne

Tue 3/31

11:55 am-12:21 pm

2 stops41h 26m

$1,911

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 2/24

2:20 pm-7:00 am

1 stop23h 40m

Sydney Kingsford Smith

Sun 3/15

11:50 am-9:32 pm

1 stop26h 42m

$1,918

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Wed 3/11

1:20 pm-9:15 am

2 stops26h 55m

Sydney Kingsford Smith

Wed 3/18

12:10 pm-9:32 pm

2 stops26h 22m

$1,918

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 23 results
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Best time to book a flight from Costa Rica to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Costa Rica with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Costa Rica to Australia

What is the cheapest month to book a flight from Costa Rica to Australia?

Currently, June is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,764). Flying from Costa Rica to Australia in July is currently the most expensive (average of $1,987). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated February 14, 2026.
See what other customers who have flown with United Airlines from Costa Rica to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,289 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Jonathan,Jun 2024

FSD - ORD

More comfort and free, fast Wi-Fi would always be appreciated.
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Jonathan,Jun 2024

FSD - ORD

More comfort and free, fast Wi-Fi would always be appreciated.

Related info for your journey

Find useful and relevant information for your journey from Costa Rica to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Costa Rica to Australia?

    Departing from Costa Rica to Australia will take you 34h. There are 8844 mi between Costa Rica and Australia.

  • Can I find deals for flights from Costa Rica to Australia that include hotel bookings?

    Yes. In addition to deals on Costa Rica to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Costa Rica to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Costa Rica to Australia.

  • Can I find deals for business class flights from Costa Rica to Australia?

    Yes. Cheapflights offers flight deals from Costa Rica to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Costa Rica to Australia?

    Currently, June is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,764). Flying from Costa Rica to Australia in July is currently the most expensive (average of $1,987). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Costa Rica to Australia

See prices for flight routes from nearby airports that may be better suited for you.
San José to Sydney flights

Top airline flying from Costa Rica to Australia

Discover the top airline that operate flights from Costa Rica to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,904Average$1,910FlexibilityNo cancel feeOn-time69%

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