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$938+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SYD
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 May 26, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:45 am
SJO
-
SYD
2 stops49h 00m
Multiple Airlines
Sun 12/69:40 pm
SYD
-
SJO
2 stops43h 17m
Multiple Airlines
Deal found 5/22$1,707
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 5/2012:53 am
SJO
-
SYD
1 stop38h 37m
Multiple Airlines
Wed 5/275:50 pm
SYD
-
SJO
1 stop21h 43m
Multiple Airlines
Deal found 5/20$1,746
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:00 am
SJO
-
SYD
2 stops48h 45m
Multiple Airlines
Sun 11/89:40 pm
SYD
-
SJO
2 stops66h 28m
Multiple Airlines
Deal found 5/22$1,748
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:53 am
SJO
-
SYD
1 stop38h 37m
Multiple Airlines
Tue 6/25:50 pm
SYD
-
SJO
1 stop21h 43m
Multiple Airlines
Deal found 5/22$1,754
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:43 am
SJO
-
SYD
2 stops49h 02m
Multiple Airlines
Sun 11/229:40 pm
SYD
-
SJO
2 stops43h 17m
Multiple Airlines
Deal found 5/22$1,770
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:43 am
SJO
-
SYD
2 stops49h 02m
Multiple Airlines
Sat 12/59:40 pm
SYD
-
SJO
2 stops43h 17m
Multiple Airlines
Deal found 5/22$1,779
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:43 am
SJO
-
SYD
2 stops49h 02m
Multiple Airlines
Sun 11/229:40 pm
SYD
-
SJO
2 stops43h 17m
Multiple Airlines
Deal found 5/22$1,787
This Trip.com deal was found by Cheapflights users on 5/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:31 am
SJO
-
SYD
3 stops36h 34m
Multiple Airlines
Mon 6/81:15 pm
SYD
-
SJO
3 stops38h 47m
Multiple Airlines
Deal found 5/21$1,799
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:53 am
SJO
-
SYD
1 stop38h 37m
Multiple Airlines
Fri 5/298:45 pm
SYD
-
SJO
2 stops42h 48m
Multiple Airlines
Deal found 5/23$1,818
This United Airlines deal was found by Cheapflights users on 5/21. 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 5/21$1,923
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 7/248:45 am
SJO
-
MEL
1 stop31h 30m
United Airlines
Sun 8/2310:55 am
MEL
-
SJO
1 stop36h 20m
United Airlines
Deal found 5/22$1,924
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 7/2211:13 am
SJO
-
MEL
2 stops28h 17m
United Airlines
Tue 8/1810:55 am
MEL
-
SJO
2 stops40h 43m
United Airlines
Deal found 5/22$1,926

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 May 26, 2026.

Round-trip from

$1,799
(Trip.com)

One-way from

$938
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$2,225
From Costa Rica to Australia
Search Deals
One-way flight from Costa Rica to Australia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($259 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 May 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 May 26, 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

Mon 6/1

12:53 am-6:50 pm

2 stops49h 57m

Sydney Kingsford Smith

Tue 6/16

8:45 pm-11:46 pm

2 stops43h 01m

$1,872

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Fri 7/24

11:13 am-8:15 am

2 stops29h 02m

Melbourne

Wed 8/19

10:55 am-7:15 am

1 stop36h 20m

$1,924

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Tue 7/21

11:13 am-8:15 am

2 stops29h 02m

Melbourne

Sat 8/22

10:55 am-11:38 am

2 stops40h 43m

$1,924
Quickest round-trip

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Sun 8/23

8:45 am-6:55 am

1 stop30h 10m

Sydney Kingsford Smith

Mon 9/7

9:30 am-7:37 pm

2 stops26h 07m

$1,931

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Sat 8/22

8:45 am-7:00 am

2 stops30h 15m

Sydney Kingsford Smith

Sat 9/5

9:30 am-7:15 am

2 stops37h 45m

$1,931

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Tue 8/4

8:45 am-8:15 am

1 stop31h 30m

Melbourne

Sat 8/22

10:55 am-12:21 pm

2 stops41h 26m

$1,932

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Sat 6/6

8:45 am-8:15 am

1 stop31h 30m

Melbourne

Sat 7/4

10:55 am-5:30 am

2 stops34h 35m

$1,932

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Sat 8/1

8:45 am-8:15 am

1 stop31h 30m

Melbourne

Sun 8/9

10:55 am-10:39 pm

2 stops27h 44m

$1,933

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 6/8

8:45 am-6:55 am

1 stop30h 10m

Sydney Kingsford Smith

Mon 6/15

10:20 am-11:38 am

2 stops41h 18m

$1,940

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Sat 6/6

8:45 am-6:55 am

1 stop30h 10m

Sydney Kingsford Smith

Sat 6/20

9:30 am-9:15 pm

2 stops27h 45m

$1,940

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

Showing 1-10 of 14 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, September is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,879). Flying from Costa Rica to Australia in July is currently the most expensive (average of $2,225). 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 May 26, 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
9,747 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

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
9,747 reviews
United Airlines
7.4
Good
9,747 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

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 29h 02m. 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, September is the cheapest month in which you can book a flight from Costa Rica to Australia (average of $1,879). Flying from Costa Rica to Australia in July is currently the most expensive (average of $2,225). 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 May 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,895Average$1,910FlexibilityNo cancel feeOn-time69%

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