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$822+ Cheap flights from Costa Rica to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SYD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/11:06 am
SJO
-
SYD
1 stop38h 24m
Multiple Airlines
Sat 8/225:50 pm
SYD
-
SJO
2 stops58h 30m
Multiple Airlines
Deal found 7/19$1,790
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 10/147:00 am
SJO
-
MEL
2 stops30h 45m
Multiple Airlines
Wed 10/2810:45 pm
MEL
-
SJO
1 stop37h 45m
Multiple Airlines
Deal found 7/19$1,827
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/131:06 am
SJO
-
SYD
2 stops49h 44m
Multiple Airlines
Fri 8/288:45 pm
SYD
-
SJO
2 stops39h 04m
Multiple Airlines
Deal found 7/21$1,868
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/167:00 am
SJO
-
SYD
2 stops32h 30m
Multiple Airlines
Thu 9/245:50 pm
SYD
-
SJO
1 stop41h 00m
Multiple Airlines
Deal found 7/20$1,891
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 8/81:06 am
SJO
-
SYD
2 stops49h 44m
Multiple Airlines
Thu 8/208:45 pm
SYD
-
SJO
2 stops38h 05m
Multiple Airlines
Deal found 7/21$1,910
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 9/237:55 am
SJO
-
SYD
2 stops31h 05m
United Airlines
Thu 10/2211:20 am
SYD
-
SJO
2 stops42h 01m
United Airlines
Deal found 7/21$1,928
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 9/218:45 am
SJO
-
MEL
1 stop31h 30m
United Airlines
Thu 10/2211:55 am
MEL
-
SJO
1 stop36h 20m
United Airlines
Deal found 7/21$1,933
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 9/278:45 am
SJO
-
SYD
1 stop30h 10m
United Airlines
Fri 10/309:15 am
SYD
-
SJO
1 stop27h 24m
United Airlines
Deal found 7/22$1,933
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/58:45 am
SJO
-
SYD
1 stop30h 10m
United Airlines
Sat 11/79:20 am
SYD
-
SJO
1 stop21h 02m
United Airlines
Deal found 7/23$1,934
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 8/178:45 am
SJO
-
SYD
1 stop30h 10m
United Airlines
Mon 8/249:30 am
SYD
-
SJO
2 stops42h 08m
United Airlines
Deal found 7/21$1,937
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 9/277:19 am
SJO
-
SYD
2 stops43h 31m
Multiple Airlines
Fri 10/28:45 pm
SYD
-
SJO
2 stops62h 45m
Multiple Airlines
Deal found 7/19$1,940
This Qatar Airways deal was found by Cheapflights users on 7/21. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:25 am
SJO
-
MEL
3 stops44h 40m
Multiple Airlines
Sat 10/2411:45 pm
MEL
-
SJO
2 stops41h 30m
Multiple Airlines
Deal found 7/21$2,515

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 July 24, 2026.

Round-trip from

$1,790
(Kiwi.com)

One-way from

$822
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$2,420
From Costa Rica to Australia
Search Deals
One-way flight from Costa Rica to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($111 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 24, 2026.
Use the filters below to find and compare flights from Costa Rica to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 9/1

7:55 am-7:00 am

2 stops31h 05m

Sydney Kingsford Smith

Wed 9/23

10:20 am-12:21 pm

2 stops42h 01m

$1,929

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Sat 9/19

7:55 am-8:15 am

2 stops32h 20m

Melbourne

Tue 10/20

11:55 am-11:38 am

2 stops40h 43m

$1,933

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Tue 9/22

1:25 pm-8:15 am

2 stops50h 50m

Melbourne

Thu 10/22

11:55 am-7:15 am

1 stop36h 20m

$1,933

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Mon 9/21

8:45 am-8:15 am

1 stop31h 30m

Melbourne

Thu 10/22

11:55 am-7:15 am

1 stop36h 20m

$1,933

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Wed 9/23

7:55 am-8:15 am

2 stops32h 20m

Melbourne

Sat 10/24

11:55 am-12:22 pm

2 stops41h 27m

$1,933

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Wed 10/14

1:25 pm-9:15 am

2 stops26h 50m

Melbourne

Wed 10/28

10:30 am-10:25 am

2 stops40h 55m

$1,933

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Thu 10/1

8:45 am-6:55 am

1 stop30h 10m

Sydney Kingsford Smith

Sun 10/18

10:30 am-11:38 am

2 stops42h 08m

$1,938

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Thu 9/24

8:45 am-6:55 am

1 stop30h 10m

Sydney Kingsford Smith

Sun 9/27

10:20 am-12:21 pm

2 stops42h 01m

$1,938

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 8/18

7:55 am-6:55 am

2 stops31h 00m

Sydney Kingsford Smith

Wed 9/2

9:30 am-7:15 am

2 stops37h 45m

$1,942
Quickest round-trip

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Fri 8/14

8:45 am-7:00 am

2 stops30h 15m

Sydney Kingsford Smith

Fri 8/28

10:20 am-7:15 am

1 stop36h 55m

$2,288

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, November is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,909). Flying from Costa Rica to Australia in December is currently the most expensive (average of $2,977). 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 July 24, 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
10,024 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

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
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

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 31h 05m. There are 8570 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, November is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,909). Flying from Costa Rica to Australia in December is currently the most expensive (average of $2,977). 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.

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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,895Average$1,910FlexibilityNo cancel feeOn-time69%

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