HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$121+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJO
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florida Keys to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 3, 2026.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/1512:14 pm
MIA
-
LIR
Nonstop2h 56m
American Airlines
Thu 5/2112:35 pm
LIR
-
MIA
Nonstop3h 01m
American Airlines
Deal found 4/29$294
This Avianca deal was found by Cheapflights users on 4/30. 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 4/30$297
This Avianca deal was found by Cheapflights users on 4/30. 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.
Fri 5/12:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Sat 5/97:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/30$298
This Avianca deal was found by Cheapflights users on 4/30. 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 6/46:00 pm
MIA
-
SJO
2 stops7h 40m
Avianca
Mon 6/87:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/30$300
This Avianca deal was found by Cheapflights users on 4/28. 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 6/46:25 am
MIA
-
SJO
2 stops7h 05m
Avianca
Tue 6/97:45 pm
SJO
-
MIA
1 stop5h 05m
Avianca
Deal found 4/28$301
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/112:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Thu 6/187:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/30$306
This Avianca deal was found by Cheapflights users on 4/29. 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 7/212:15 pm
MIA
-
SJO
Nonstop2h 50m
Avianca
Sun 7/267:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/29$308
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/296:20 am
MIA
-
LIR
1 stop7h 50m
United Airlines
Thu 6/411:10 am
LIR
-
MIA
1 stop9h 30m
United Airlines
Deal found 4/29$308
This SmartFares deal was found by Cheapflights users on 4/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:40 am
MIA
-
SJO
1 stop14h 10m
Avianca
Sun 5/37:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/28$309
This Avianca deal was found by Cheapflights users on 4/30. 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 10/255:50 pm
MIA
-
SJO
2 stops7h 50m
Avianca
Fri 10/307:45 am
SJO
-
MIA
Nonstop3h 05m
Avianca
Deal found 4/30$310
This Avianca deal was found by Cheapflights users on 4/29. 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 6/231:45 pm
MIA
-
SJO
2 stops7h 05m
Avianca
Sun 6/285:05 am
SJO
-
MIA
2 stops6h 55m
Avianca
Deal found 4/29$311
This Avianca deal was found by Cheapflights users on 4/28. 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.
Fri 6/197:25 am
MIA
-
SJO
1 stop6h 05m
Avianca
Thu 6/257:45 am
SJO
-
MIA
Nonstop2h 55m
Avianca
Deal found 4/28$313

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 May 3, 2026.

Round-trip from

$294
(American Airlines)

One-way from

$121
(Viva)
From Florida Keys to Costa Rica
Search Deals
One-way flight from Florida Keys to Costa Rica
Search Deals

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 May 3, 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

MiamiLiberia

MIA - LIR

MIALIR

Miami

Fri 5/29

6:20 am-12:10 pm

1 stop7h 50m

Liberia

Thu 6/4

11:10 am-10:40 pm

1 stop9h 30m

$308
Quickest round-trip

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 6/10

7:25 am-11:30 am

1 stop6h 05m

San José Juan Santamaria Intl

Mon 6/29

7:45 am-12:40 pm

Nonstop2h 55m

$310

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 5/29

6:00 am-10:00 am

1 stop6h 00m

San José Juan Santamaria Intl

Mon 6/1

6:19 pm-1:44 am

1 stop5h 25m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 5/28

6:24 am-7:01 pm

1 stop14h 37m

San José Juan Santamaria Intl

Mon 6/1

10:05 am-10:48 pm

1 stop10h 43m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Wed 6/10

6:00 am-6:59 pm

1 stop14h 59m

San José Juan Santamaria Intl

Mon 6/15

6:19 pm-1:44 am

1 stop5h 25m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 6/5

6:24 am-11:06 am

1 stop6h 42m

San José Juan Santamaria Intl

Fri 6/5

6:19 pm-1:44 am

1 stop5h 25m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Mon 6/1

6:00 am-6:59 pm

1 stop14h 59m

San José Juan Santamaria Intl

Fri 6/5

5:57 pm-1:44 am

1 stop5h 47m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 5/29

6:00 am-10:00 am

1 stop6h 00m

San José Juan Santamaria Intl

Fri 6/5

6:19 pm-1:44 am

1 stop5h 25m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Fri 6/12

6:24 am-11:06 am

1 stop6h 42m

San José Juan Santamaria Intl

Sun 6/28

10:05 am-10:48 pm

1 stop10h 43m

$328

MiamiSan José

MIA - SJO

MIASJO

Miami

Thu 6/11

6:00 am-11:06 am

1 stop7h 06m

San José Juan Santamaria Intl

Sat 6/13

8:47 am-10:48 pm

1 stop12h 01m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

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

How far ahead should I book a flight from Florida Keys to Costa Rica?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Florida Keys to Costa Rica. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 May 3, 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.
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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.
Copa Airlines
7.5
Good
1,578 reviews
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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.
American Airlines
7.1
Good
11,672 reviews
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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.
Avianca
6.5
Okay
2,520 reviews
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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.
Spirit Airlines
6.3
Okay
8,636 reviews
Copa Airlines
7.5
Good
1,578 reviews

Comfort

7.4

Food

6.8

Boarding

7.8

Overall

7.5

Entertainment

6.8

Crew

8.1

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 $328, United Airlines 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Florida Keys to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Panama City flights
Miami to San José flights
Fort Lauderdale to San José flights
Miami to Managua flights
Miami to San Salvador flights
Orlando to Panama City flights
Miami to Guatemala City flights
Fort Lauderdale to Guatemala City flights
Orlando to San José flights
Fort Lauderdale to Panama City flights
Tampa to Panama City flights
Miami to San Pedro Sula flights
Orlando to Guatemala City flights
Fort Lauderdale to Managua flights
Orlando to San Salvador flights
Fort Lauderdale to Liberia flights
Tampa to Guatemala City flights
Tampa to San José flights
Fort Lauderdale to San Pedro Sula flights
Miami to Liberia flights
Orlando to Liberia flights
Miami to Philip S.W.Goldson flights
Fort Lauderdale to San Salvador flights
Tampa to Liberia flights
Orlando to San Pedro Sula flights
Jacksonville to Panama City flights
West Palm Beach to San José flights
Orlando to Managua flights
Orlando to Philip S.W.Goldson flights
Tampa to San Salvador flights
Tampa to Managua flights
West Palm Beach to Panama City flights
Pensacola to San José flights
Tampa to Philip S.W.Goldson flights
Jacksonville to Guatemala City flights
Jacksonville to San José flights
Fort Lauderdale to Philip S.W.Goldson flights
Tallahassee to Panama City flights
Fort Myers to San José flights
Jacksonville to San Salvador flights
Jacksonville to Liberia flights
Pensacola to Philip S.W.Goldson flights
Tampa to San Pedro Sula flights

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 May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$523Average$747FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.