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$909+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SYD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Thu 3/51:27 am
SJO
-
SYD
1 stop36h 58m
Multiple Airlines
Fri 3/132:00 pm
SYD
-
SJO
2 stops27h 08m
Multiple Airlines
Deal found 1/20$1,449
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/231:16 am
SJO
-
SYD
1 stop37h 09m
Multiple Airlines
Mon 1/262:00 pm
SYD
-
SJO
2 stops26h 59m
Multiple Airlines
Deal found 1/21$1,562
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:39 pm
SJO
-
MEL
3 stops28h 46m
Multiple Airlines
Sat 3/287:00 am
MEL
-
SJO
3 stops45h 19m
Multiple Airlines
Deal found 1/20$1,580
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:40 am
SJO
-
MEL
1 stop33h 50m
United Airlines
Tue 3/3111:55 am
MEL
-
SJO
1 stop36h 20m
United Airlines
Deal found 1/19$1,906
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:20 pm
SJO
-
SYD
1 stop23h 40m
United Airlines
Sun 3/1512:10 pm
SYD
-
SJO
1 stop36h 22m
United Airlines
Deal found 1/20$1,912
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:40 am
SJO
-
MEL
1 stop31h 20m
United Airlines
Mon 3/21:00 pm
MEL
-
SJO
2 stops41h 15m
United Airlines
Deal found 1/19$1,915
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 10/108:37 am
SJO
-
MEL
1 stop31h 38m
United Airlines
Sat 10/1711:55 am
MEL
-
SJO
1 stop36h 20m
United Airlines
Deal found 1/21$1,917
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:20 pm
SJO
-
SYD
1 stop23h 40m
United Airlines
Sun 2/2211:50 am
SYD
-
SJO
1 stop23h 26m
United Airlines
Deal found 1/20$1,917
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:45 am
SJO
-
SYD
1 stop29h 15m
United Airlines
Tue 2/1011:50 am
SYD
-
SJO
1 stop25h 49m
United Airlines
Deal found 1/20$1,919
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 6/68:45 am
SJO
-
MEL
1 stop31h 30m
United Airlines
Sat 7/410:55 am
MEL
-
SJO
2 stops34h 35m
United Airlines
Deal found 1/21$1,926
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 4/168:45 am
SJO
-
MEL
2 stops43h 50m
United Airlines
Sun 4/269:30 am
MEL
-
SJO
2 stops26h 07m
United Airlines
Deal found 1/21$1,953

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,361
(Kiwi.com)

One-way from

$909
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$2,735
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
One-way flight from Costa Rica to Australia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($390 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 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

Fri 1/23

1:16 am-7:25 am

1 stop37h 09m

Sydney Kingsford Smith

Mon 1/26

2:00 pm-11:59 pm

2 stops26h 59m

$1,562

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Thu 3/12

2:39 pm-12:25 pm

3 stops28h 46m

Melbourne

Sat 3/28

7:00 am-11:19 am

3 stops45h 19m

$1,580

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Thu 3/5

1:27 am-7:25 am

1 stop36h 58m

Sydney Kingsford Smith

Fri 3/13

5:00 pm-11:15 pm

3 stops47h 15m

$1,657

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Sun 3/1

8:45 am-10:00 am

2 stops32h 15m

Melbourne

Tue 3/31

11:55 am-7:15 am

1 stop36h 20m

$1,906

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

12:10 pm-7:32 am

1 stop36h 22m

$1,912

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 2/2

8:45 am-9:15 am

2 stops31h 30m

Sydney Kingsford Smith

Mon 2/9

11:50 am-8:39 pm

1 stop25h 49m

$1,913

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Fri 1/23

1:16 am-9:20 am

2 stops39h 04m

Sydney Kingsford Smith

Sat 2/21

5:45 pm-12:07 am

1 stop23h 22m

$1,913

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Mon 4/13

11:13 am-8:15 am

2 stops29h 02m

Melbourne

Wed 7/1

9:30 am-10:39 pm

2 stops29h 09m

$1,917

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Mon 4/13

11:13 am-8:15 am

2 stops29h 02m

Melbourne

Tue 6/30

10:55 am-7:15 am

1 stop36h 20m

$1,917

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Fri 3/20

8:40 am-9:00 am

1 stop31h 20m

Melbourne

Sun 4/12

10:55 am-7:15 am

1 stop36h 20m

$1,917

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 22 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 $1,782). Flying from Costa Rica to Australia in July is currently the most expensive (average of $1,954). 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 January 21, 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
9,191 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

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 32h 15m. 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 $1,782). Flying from Costa Rica to Australia in July is currently the most expensive (average of $1,954). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,904Average$1,910FlexibilityNo cancel feeOn-time69%

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