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$753+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SYD
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 9, 2026.

This Mytrip deal was found by Cheapflights users on 2/6. 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.
Mon 3/232:39 pm
SJO
-
SYD
3 stops28h 56m
Multiple Airlines
Mon 3/302:15 pm
SYD
-
SJO
3 stops34h 02m
Multiple Airlines
Deal found 2/6$1,453
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 6/301:11 am
SJO
-
SYD
2 stops49h 39m
Multiple Airlines
Thu 9/38:45 pm
SYD
-
SJO
2 stops38h 45m
Multiple Airlines
Deal found 2/8$1,604
This Trip.com deal was found by Cheapflights users on 2/7. 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.
Thu 10/85:45 am
SJO
-
SYD
2 stops33h 20m
Multiple Airlines
Fri 10/3011:15 am
SYD
-
SJO
3 stops29h 25m
Multiple Airlines
Deal found 2/7$1,624
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 2/101:16 am
SJO
-
SYD
1 stop37h 09m
Multiple Airlines
Fri 2/132:00 pm
SYD
-
SJO
2 stops27h 07m
Multiple Airlines
Deal found 2/7$1,662
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/38:45 am
SJO
-
MEL
2 stops32h 15m
United Airlines
Tue 3/1012:00 pm
MEL
-
SJO
1 stop36h 32m
United Airlines
Deal found 2/6$1,911
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/2412:35 pm
SJO
-
SYD
1 stop25h 25m
United Airlines
Sun 3/1511:50 am
SYD
-
SJO
1 stop26h 42m
United Airlines
Deal found 2/9$1,917
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/211:30 am
MEL
-
SJO
2 stops38h 02m
United Airlines
Deal found 2/6$1,919
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/8$1,921
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/7$1,930

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 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,453
(Mytrip)

One-way from

$753
(Trip.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
One-way flight 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 9, 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

Mon 3/23

2:39 pm-12:35 pm

3 stops28h 56m

Sydney Kingsford Smith

Mon 3/30

6:50 pm-11:14 am

2 stops33h 24m

$1,548

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 6/30

1:11 am-6:50 pm

2 stops49h 39m

Sydney Kingsford Smith

Fri 8/28

8:45 pm-7:30 pm

2 stops38h 45m

$1,604

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Tue 3/3

9:05 am-10:00 am

2 stops31h 55m

Melbourne

Tue 3/10

11:30 am-7:32 am

2 stops37h 02m

$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

$1,917

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Mon 3/9

11:35 am-7:00 am

1 stop26h 25m

Sydney Kingsford Smith

Mon 3/16

11:50 am-7:39 pm

1 stop24h 49m

$1,917

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 3/10

1:20 pm-7:00 am

1 stop24h 40m

Sydney Kingsford Smith

Tue 3/17

11:50 am-9:32 pm

1 stop26h 42m

$1,917

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Thu 2/26

9:40 am-10:00 am

1 stop31h 20m

Melbourne

Mon 3/2

11:30 am-8:32 am

2 stops38h 02m

$1,919

San JoséMelbourne

SJO - MEL

SJOMEL

San José Juan Santamaria Intl

Mon 5/18

8:45 am-8:15 am

1 stop31h 30m

Melbourne

Mon 6/1

10:55 am-10:11 am

2 stops39h 16m

$1,921

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Thu 2/26

8:45 am-7:00 am

1 stop29h 15m

Sydney Kingsford Smith

Wed 3/11

11:50 am-9:32 pm

1 stop26h 42m

$1,921

San JoséSydney

SJO - SYD

SJOSYD

San José Juan Santamaria Intl

Tue 2/24

8:45 am-7:00 am

1 stop29h 15m

Sydney Kingsford Smith

Sat 3/21

11:50 am-7:39 pm

1 stop24h 49m

$1,921

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 18 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 9, 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
9,262 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

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
9,262 reviews
United Airlines
7.4
Good
9,262 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

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 31h 55m. 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 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,904Average$1,910FlexibilityNo cancel feeOn-time69%

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