Costa Rica

$108+ Cheap flights from Florida Keys to Costa Rica

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJO
May 18 — May 251
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Cheap flight deals from Florida Keys to Costa Rica

Cheapest flights from Florida Keys to Costa Rica
Explore the most affordable flight options available from Florida Keys to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:45 pm
MIA
-
SJO
3 stops11h 30m
Avianca
Sat 8/224:00 pm
SJO
-
MIA
2 stops10h 20m
Avianca
Deal found 4/14$242
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Sat 5/27:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/14$254
This Avianca deal was found by Cheapflights users on 4/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 pm
MIA
-
SJO
2 stops7h 40m
Avianca
Tue 5/197:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/13$256
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Mon 5/187:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/14$264
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:50 pm
MIA
-
SJO
1 stop5h 00m
Avianca
Fri 5/157:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/14$266
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:25 am
MIA
-
SJO
2 stops7h 05m
Avianca
Tue 5/125:05 am
SJO
-
MIA
2 stops9h 20m
Avianca
Deal found 4/14$267
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Sun 5/107:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/14$270
This Avianca deal was found by Cheapflights users on 4/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:45 pm
MIA
-
SJO
2 stops7h 05m
Avianca
Thu 5/145:05 am
SJO
-
MIA
2 stops9h 20m
Avianca
Deal found 4/14$273
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:10 pm
MIA
-
SJO
Nonstop2h 57m
American Airlines
Thu 5/213:08 pm
SJO
-
MIA
Nonstop3h 02m
American Airlines
Deal found 4/14$274
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:14 pm
MIA
-
LIR
Nonstop2h 56m
American Airlines
Thu 5/212:45 pm
LIR
-
MIA
Nonstop3h 05m
American Airlines
Deal found 4/14$293
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:14 pm
MIA
-
LIR
Nonstop2h 56m
American Airlines
Mon 5/42:40 pm
LIR
-
MIA
Nonstop3h 04m
American Airlines
Deal found 4/14$294
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/146:15 am
MIA
-
LIR
1 stop10h 10m
United Airlines
Thu 5/2111:10 am
LIR
-
MIA
1 stop9h 30m
United Airlines
Deal found 4/16$308

Find flight deals from Florida Keys to Costa Rica

Keep the following information in mind while searching for Florida Keys to Costa Rica flight deals. Data was last updated April 18, 2026.

Round-trip from

$242
(Avianca)

One-way from

$108
(Avianca)
From Florida Keys to Costa Rica
One-way flight from Florida Keys to Costa Rica

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida Keys to Costa Rica 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 April 18, 2026.
Use the filters below to find and compare flights from Florida Keys to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 5/8

6:00 am-11:52 am

1 stop7h 52m

San José Juan Santamaria Intl

Sat 5/9

1:20 pm-12:43 am

1 stop9h 23m

$288

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 5/2

6:00 am-10:00 am

1 stop6h 00m

San José Juan Santamaria Intl

Fri 5/8

10:05 am-10:42 pm

1 stop10h 37m

$300

MiamiSan José

MIA - SJO

MIASJO

Miami

Sat 5/2

6:24 am-10:00 am

1 stop5h 36m

San José Juan Santamaria Intl

Mon 5/4

10:05 am-10:42 pm

1 stop10h 37m

$300

MiamiSan José

MIA - SJO

MIASJO

Miami

Tue 5/12

6:00 am-10:00 am

1 stop6h 00m

San José Juan Santamaria Intl

Sat 5/16

1:37 pm-1:41 am

1 stop10h 04m

$300

MiamiSan José

MIA - SJO

MIASJO

Miami

Tue 8/4

6:00 pm-11:40 pm

2 stops7h 40m

San José Juan Santamaria Intl

Thu 9/3

5:05 am-12:10 pm

1 stop5h 05m

$301

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 6/10

7:25 am-11:30 am

1 stop6h 05m

San José Juan Santamaria Intl

Wed 7/1

3:10 pm-12:05 am

2 stops6h 55m

$311

MiamiLiberia

MIA - LIR

MIALIR

Miami

Fri 5/8

6:00 am-12:00 pm

1 stop8h 00m

Liberia

Wed 5/13

1:25 pm-12:47 am

1 stop9h 22m

$318

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 6/3

6:00 am-11:06 am

1 stop7h 06m

San José Juan Santamaria Intl

Tue 6/16

10:05 am-10:48 pm

1 stop10h 43m

$320
Quickest round-trip

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 6/4

6:24 am-11:06 am

1 stop6h 42m

San José Juan Santamaria Intl

Thu 6/18

6:19 pm-1:47 am

1 stop5h 28m

$320

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 5/15

6:00 am-7:01 pm

1 stop15h 01m

San José Juan Santamaria Intl

Mon 5/18

6:19 pm-1:41 am

1 stop5h 22m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 53 resultsSorted by cheapest first
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Best time to book a flight from Florida Keys to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Florida Keys 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 Florida Keys to Costa Rica

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

Currently, April is the cheapest month in which you can book a flight from Florida Keys to Costa Rica (average of $43). Flying from Florida Keys to Costa Rica in November is currently the most expensive (average of $638). 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 Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated April 18, 2026.
Get a feel of what it's like to fly with Copa Airlines,Volaris El Salvador, andAmerican Airlines from Florida Keys to Costa Rica by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Volaris El Salvador
7.4
Good

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Comfort

7.4

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.8

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Costa Rica. 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 Florida Keys to Costa Rica?

    For as low as $300, Delta can have you in Costa Rica from Florida Keys in 6h. Airlines will cover a distance of 1121 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Florida Keys to Costa Rica one-way?

    The cheapest airline one-way is Volaris Costa Rica, with whom users have recently found tickets for as low as $42. However, be on the lookout for offers from Spirit Airlines and Volaris El Salvador, as they are both options that can get you from Florida Keys to Costa Rica for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Florida Keys to Costa Rica 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 Florida Keys to Costa Rica?

    Currently, April is the cheapest month in which you can book a flight from Florida Keys to Costa Rica (average of $43). Flying from Florida Keys to Costa Rica in November is currently the most expensive (average of $638). 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

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Alternative routes for Florida Keys to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Florida Keys to Costa Rica

Discover the top airline that operate flights from Florida Keys to Costa Rica. 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$523Average$747FlexibilityNo cancel feeOn-time71%

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