$106+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJO
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Florida Keys to Costa Rica with Cheapflights
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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
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Cheapest flights from Florida Keys to Costa RicaExplore 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 2, 2026.
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 2, 2026.
This Gotogate deal was found by Cheapflights users on 3/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:28 pm
MIA
- SJO
Nonstop2h 49m
Volaris El Salvador
Sun 4/128:10 am
SJO
- MIA
Nonstop2h 43m
Volaris El Salvador
Deal found 3/29![Volaris El Salvador logo]()
$233
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:28 pm
MIA
- SJO
Nonstop2h 49m
Multiple Airlines
Sun 4/197:45 am
SJO
- MIA
Nonstop2h 55m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$252
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:28 pm
MIA
- SJO
Nonstop2h 49m
Multiple Airlines
Mon 4/139:40 am
SJO
- MIA
2 stops12h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$253
This Avianca deal was found by Cheapflights users on 3/31. 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.
Sat 4/182:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Wed 4/227:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/31![Avianca logo]()
$254
This Avianca deal was found by Cheapflights users on 3/31. 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 4/142:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Tue 4/215:05 am
SJO
- MIA
2 stops9h 20m
Avianca
Deal found 3/31![Avianca logo]()
$255
This Avianca deal was found by Cheapflights users on 3/31. 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.
Sat 5/92:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Sat 5/165:05 am
SJO
- MIA
1 stop5h 05m
Avianca
Deal found 3/31![Avianca logo]()
$256
This Avianca deal was found by Cheapflights users on 3/30. 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 4/162:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Tue 4/217:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/30![Avianca logo]()
$260
This Avianca deal was found by Cheapflights users on 3/28. 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.
Tue 5/123:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Tue 5/197:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/28![Avianca logo]()
$261
This Avianca deal was found by Cheapflights users on 3/28. 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 4/166:25 am
MIA
- SJO
2 stops7h 05m
Avianca
Mon 4/207:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/28![Avianca logo]()
$262
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/2110:25 am
MIA
- LIR
Nonstop2h 59m
American Airlines
Tue 4/282:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/31![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Fri 4/242:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/28![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/1512:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Wed 4/222:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/31![American Airlines logo]()
$375
Best flights from Florida Keys to Costa RicaDiscover carefully curated flight deals from Florida Keys to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Florida Keys to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This Avianca deal was found by Cheapflights users on 3/31. 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.
Sat 5/96:25 am
MIA
- SJO
2 stops7h 05m
Avianca
Mon 5/115:05 am
SJO
- MIA
1 stop5h 05m
Avianca
Deal found 3/31![Avianca logo]()
$258
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
MIA
- SJO
1 stop7h 56m
Delta
Tue 5/121:20 pm
SJO
- MIA
1 stop9h 23m
Delta
Deal found 3/30![Delta logo]()
$288
This Copa Airlines deal was found by Cheapflights users on 3/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
MIA
- SJO
1 stop15h 00m
Copa Airlines
Mon 5/410:05 am
SJO
- MIA
1 stop10h 37m
Copa Airlines
Deal found 3/31![Copa Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Mon 4/132:35 pm
EYW
- SJO
1 stop22h 39m
Multiple Airlines
Fri 4/244:35 pm
SJO
- EYW
3 stops45h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:00 am
MIA
- LIR
1 stop7h 25m
United Airlines
Sat 4/253:27 pm
LIR
- MIA
1 stop17h 42m
United Airlines
Deal found 3/28![United Airlines logo]()
$507
This Avianca deal was found by Cheapflights users on 3/28. 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.
Tue 5/123:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Tue 5/197:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/28![Avianca logo]()
$261
This American Airlines deal was found by Cheapflights users on 4/1. 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
Thu 5/712:28 pm
LIR
- MIA
1 stop17h 48m
American Airlines
Deal found 4/1![American Airlines logo]()
$586
This Avianca deal was found by Cheapflights users on 4/1. 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.
Sat 4/252:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Sat 5/25:05 am
SJO
- MIA
1 stop5h 05m
Avianca
Deal found 4/1![Avianca logo]()
$270
This Copa Airlines deal was found by Cheapflights users on 3/31. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:24 am
MIA
- SJO
1 stop7h 57m
Copa Airlines
Sun 5/106:19 pm
SJO
- MIA
1 stop5h 22m
Copa Airlines
Deal found 3/31![Copa Airlines logo]()
$300
This Copa Airlines deal was found by Cheapflights users on 4/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
MIA
- SJO
1 stop15h 01m
Copa Airlines
Sun 5/106:19 pm
SJO
- MIA
1 stop5h 22m
Copa Airlines
Deal found 4/1![Copa Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:04 am
MIA
- LIR
1 stop6h 56m
Delta
Wed 4/221:25 pm
LIR
- MIA
1 stop9h 29m
Delta
Deal found 3/31![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/206:15 am
MIA
- LIR
1 stop10h 10m
United Airlines
Thu 4/233:27 pm
LIR
- MIA
1 stop29h 01m
United Airlines
Deal found 4/1![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Thu 4/234:53 pm
MIA
- LIR
1 stop21h 17m
United Airlines
Mon 4/273:27 pm
LIR
- MIA
1 stop17h 42m
United Airlines
Deal found 3/29![United Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 5/136:45 am
EYW
- SJO
1 stop6h 22m
American Airlines
Wed 5/2012:10 pm
SJO
- EYW
1 stop8h 48m
American Airlines
Deal found 3/29![American Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
MIA
- LIR
1 stop8h 00m
Delta
Sat 5/22:40 pm
LIR
- MIA
1 stop8h 14m
Delta
Deal found 3/28![Delta logo]()
$595
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:05 am
EYW
- SJO
2 stops13h 02m
American Airlines
Wed 4/296:30 am
SJO
- EYW
2 stops14h 06m
American Airlines
Deal found 3/28![American Airlines logo]()
$621
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:04 am
MIA
- LIR
1 stop6h 56m
Delta
Mon 5/41:25 pm
LIR
- MIA
1 stop7h 23m
Delta
Deal found 3/28![Delta logo]()
$595
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/216:15 am
MIA
- LIR
1 stop7h 55m
United Airlines
Sat 4/253:27 pm
LIR
- MIA
1 stop17h 42m
United Airlines
Deal found 4/1![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
MIA
- LIR
1 stop8h 00m
Delta
Thu 5/71:25 pm
LIR
- MIA
1 stop7h 26m
Delta
Deal found 4/1![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/249:00 am
MIA
- LIR
1 stop7h 25m
United Airlines
Sun 4/263:27 pm
LIR
- MIA
1 stop29h 01m
United Airlines
Deal found 3/29![United Airlines logo]()
$602
Last-minute flights from Florida Keys to Costa RicaDiscover last-minute flight deals from Florida Keys to Costa Rica. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Florida Keys to Costa Rica. Data last updated April 2, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:28 pm
MIA
- SJO
Nonstop2h 49m
Volaris El Salvador
Sun 4/128:10 am
SJO
- MIA
Nonstop2h 43m
Volaris El Salvador
Deal found 3/29![Volaris El Salvador logo]()
$233
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:28 pm
MIA
- SJO
Nonstop2h 49m
Multiple Airlines
Mon 4/139:40 am
SJO
- MIA
2 stops12h 25m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$253
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:28 pm
MIA
- SJO
Nonstop2h 49m
Multiple Airlines
Sun 4/197:45 am
SJO
- MIA
Nonstop2h 55m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$252
This Avianca deal was found by Cheapflights users on 3/31. 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 4/142:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Tue 4/215:05 am
SJO
- MIA
2 stops9h 20m
Avianca
Deal found 3/31![Avianca logo]()
$255
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/1512:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Wed 4/222:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/31![American Airlines logo]()
$375
This Avianca deal was found by Cheapflights users on 3/30. 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 4/162:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Tue 4/217:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/30![Avianca logo]()
$260
This Avianca deal was found by Cheapflights users on 3/28. 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 4/166:25 am
MIA
- SJO
2 stops7h 05m
Avianca
Mon 4/207:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/28![Avianca logo]()
$262
This Avianca deal was found by Cheapflights users on 3/31. 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.
Sat 4/182:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Wed 4/227:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/31![Avianca logo]()
$254
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Fri 4/242:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/28![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/2110:25 am
MIA
- LIR
Nonstop2h 59m
American Airlines
Tue 4/282:40 pm
LIR
- MIA
Nonstop3h 04m
American Airlines
Deal found 3/31![American Airlines logo]()
$330
This Avianca deal was found by Cheapflights users on 3/31. 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.
Sat 5/92:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Sat 5/165:05 am
SJO
- MIA
1 stop5h 05m
Avianca
Deal found 3/31![Avianca logo]()
$256
This Avianca deal was found by Cheapflights users on 3/28. 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.
Tue 5/123:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Tue 5/197:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 3/28![Avianca logo]()
$261
One-way flights from Florida Keys to Costa RicaSearch for one-way flight options from Florida Keys to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Florida Keys to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Trip.com deal was found by Cheapflights users on 3/31. 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.
Sun 4/122:28 pm
MIA
- SJO
Nonstop2h 49m
Volaris El Salvador
Deal found 3/31![Volaris El Salvador logo]()
$106
This Avianca deal was found by Cheapflights users on 3/30. 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 4/172:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 3/30![Avianca logo]()
$108
This Avianca deal was found by Cheapflights users on 3/30. 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.
Tue 5/52:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 3/30![Avianca logo]()
$109
This Avianca deal was found by Cheapflights users on 3/31. 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.
Wed 4/153:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Deal found 3/31![Avianca logo]()
$110
This Avianca deal was found by Cheapflights users on 3/30. 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.
Mon 5/112:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 3/30![Avianca logo]()
$111
This Avianca deal was found by Cheapflights users on 3/30. 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 4/166:25 am
MIA
- SJO
2 stops7h 05m
Avianca
Deal found 3/30![Avianca logo]()
$115
This Avianca deal was found by Cheapflights users on 3/28. 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.
Wed 5/202:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 3/28![Avianca logo]()
$116
This Super.com deal was found by Cheapflights users on 3/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 pm
MIA
- SJO
1 stop7h 40m
Avianca
Deal found 3/28![Avianca logo]()
$117
This Avianca deal was found by Cheapflights users on 3/31. 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 4/283:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Deal found 3/31![Avianca logo]()
$120
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/2812:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Deal found 3/29![American Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/286:15 am
MIA
- LIR
1 stop7h 55m
United Airlines
Deal found 3/29![United Airlines logo]()
$176
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Deal found 3/30![American Airlines logo]()
$177
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 2, 2026.
Round-trip from | $233 (Gotogate) |
|---|---|
One-way from | $106 (Trip.com) |
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 2, 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
Cheapest round-trip
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 5/9
6:25 am-11:30 am
2 stops7h 05m
San José Juan Santamaria Intl
Mon 5/11
5:05 am-12:10 pm
1 stop5h 05m
$258
Quickest round-trip
MiamiSan José
MIA - SJO
MIASJO
Miami
Tue 5/12
3:50 pm-6:50 pm
1 stop5h 00m
San José Juan Santamaria Intl
Tue 5/19
7:45 am-12:40 pm
Nonstop2h 55m
$261
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 4/25
2:15 pm-3:05 pm
Nonstop2h 50m
San José Juan Santamaria Intl
Sat 5/2
5:05 am-12:10 pm
1 stop5h 05m
$270
MiamiSan José
MIA - SJO
MIASJO
Miami
Tue 5/5
6:00 am-11:56 am
1 stop7h 56m
San José Juan Santamaria Intl
Tue 5/12
1:20 pm-12:43 am
1 stop9h 23m
$288
MiamiSan José
MIA - SJO
MIASJO
Miami
Wed 4/29
6:00 am-7:00 pm
1 stop15h 00m
San José Juan Santamaria Intl
Mon 5/4
10:05 am-10:42 pm
1 stop10h 37m
$300
MiamiSan José
MIA - SJO
MIASJO
Miami
Sat 5/2
6:24 am-12:21 pm
1 stop7h 57m
San José Juan Santamaria Intl
Sun 5/10
6:19 pm-1:41 am
1 stop5h 22m
$300
MiamiSan José
MIA - SJO
MIASJO
Miami
Thu 5/7
6:00 am-7:01 pm
1 stop15h 01m
San José Juan Santamaria Intl
Sun 5/10
6:19 pm-1:41 am
1 stop5h 22m
$303
Key WestSan José
EYW - SJO
EYWSJO
Key West
Mon 4/13
2:35 pm-11:14 am
1 stop22h 39m
San José Juan Santamaria Intl
Fri 4/24
4:35 pm-3:48 pm
3 stops45h 13m
$471
MiamiLiberia
MIA - LIR
MIALIR
Miami
Wed 4/15
7:04 am-12:00 pm
1 stop6h 56m
Liberia
Wed 4/22
1:25 pm-12:54 am
1 stop9h 29m
$474
MiamiLiberia
MIA - LIR
MIALIR
Miami
Sat 4/18
9:00 am-2:25 pm
1 stop7h 25m
Liberia
Sat 4/25
3:27 pm-11:09 am
1 stop17h 42m
$507
Showing 1-10 of 40 resultsSorted by cheapest first
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.
MIA-SJO
MIA-LIR
EYW-SJO
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
zzEOA-CR0
MIA-SJO
MIA-LIR
EYW-SJO
No data available for this route at this time. Please check back soon.
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 2, 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.
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Volaris El Salvador
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Boarding
7.7
Entertainment
6.8
Overall
7.5
Crew
8.1
Food
6.8
Comfort
7.4
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
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.
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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.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Florida Keys to Costa Rica by cabin class
Find flights from Florida Keys to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Florida Keys and Costa Rica flights
Browse other Florida Keys and Costa Rica flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Costa Rica
Find the right flight back to Florida Keys after your stay in Costa Rica
Florida Keys to Costa Rica flights
Consider these flights traveling from Florida Keys to Costa Rica.
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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$523 | Average$747 | FlexibilityNo cancel fee | On-time71% |