$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
Round-trip
1 adult, Economy
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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 18, 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 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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![Avianca logo]()
$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![American Airlines logo]()
$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![American Airlines logo]()
$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![American Airlines logo]()
$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![United Airlines logo]()
$308
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 18, 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 18, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
MIA
- SJO
1 stop7h 52m
Delta
Sat 5/91:20 pm
SJO
- MIA
1 stop9h 23m
Delta
Deal found 4/14![Delta logo]()
$288
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
MIA
- SJO
1 stop6h 00m
Copa Airlines
Fri 5/810:05 am
SJO
- MIA
1 stop10h 37m
Copa Airlines
Deal found 4/14![Copa Airlines logo]()
$300
This Avianca deal was found by Cheapflights users on 4/17. 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 8/46:00 pm
MIA
- SJO
2 stops7h 40m
Avianca
Thu 9/35:05 am
SJO
- MIA
1 stop5h 05m
Avianca
Deal found 4/17![Avianca logo]()
$301
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:15 am
MIA
- LIR
1 stop7h 55m
United Airlines
Mon 5/113:27 pm
LIR
- MIA
1 stop17h 40m
United Airlines
Deal found 4/13![United Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sun 5/249:24 pm
EYW
- SJO
1 stop19h 54m
Multiple Airlines
Sat 5/307:00 am
SJO
- EYW
1 stop26h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$488
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:45 am
MIA
- LIR
1 stop7h 05m
Southwest
Thu 7/92:10 pm
LIR
- MIA
1 stop8h 15m
Southwest
Deal found 4/14![Southwest logo]()
$554
This Copa Airlines 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 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 stop5h 36m
Copa Airlines
Mon 5/410:05 am
SJO
- MIA
1 stop10h 37m
Copa Airlines
Deal found 4/13![Copa Airlines logo]()
$300
This Avianca deal was found by Cheapflights users on 4/17. 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 6/107:25 am
MIA
- SJO
1 stop6h 05m
Avianca
Wed 7/13:10 pm
SJO
- MIA
2 stops6h 55m
Avianca
Deal found 4/17![Avianca logo]()
$311
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:00 am
MIA
- LIR
1 stop8h 00m
Delta
Wed 5/131:25 pm
LIR
- MIA
1 stop9h 22m
Delta
Deal found 4/13![Delta logo]()
$318
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.
Wed 5/68:05 am
EYW
- SJO
2 stops13h 02m
American Airlines
Wed 5/136:30 am
SJO
- EYW
2 stops14h 06m
American Airlines
Deal found 4/14![American Airlines logo]()
$641
This Copa Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/126:00 am
MIA
- SJO
1 stop6h 00m
Copa Airlines
Sat 5/161:37 pm
SJO
- MIA
1 stop10h 04m
Copa Airlines
Deal found 4/15![Copa Airlines logo]()
$300
This Copa Airlines deal was found by Cheapflights users on 4/15. 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 6/36:00 am
MIA
- SJO
1 stop7h 06m
Copa Airlines
Tue 6/1610:05 am
SJO
- MIA
1 stop10h 43m
Copa Airlines
Deal found 4/15![Copa Airlines logo]()
$320
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:24 am
MIA
- SJO
1 stop6h 42m
Copa Airlines
Thu 6/186:19 pm
SJO
- MIA
1 stop5h 28m
Copa Airlines
Deal found 4/13![Copa Airlines logo]()
$320
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.
Fri 5/86:15 am
MIA
- LIR
1 stop10h 10m
United Airlines
Mon 5/113:27 pm
LIR
- MIA
1 stop17h 40m
United Airlines
Deal found 4/16![United Airlines logo]()
$428
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:00 am
MIA
- SJO
1 stop15h 01m
Copa Airlines
Mon 5/186:19 pm
SJO
- MIA
1 stop5h 22m
Copa Airlines
Deal found 4/14![Copa Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sun 5/249:24 pm
EYW
- SJO
1 stop19h 54m
Multiple Airlines
Sun 5/317:00 am
SJO
- EYW
1 stop29h 01m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 4/15. 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
- LIR
1 stop8h 00m
Delta
Tue 5/121:25 pm
LIR
- MIA
1 stop9h 18m
Delta
Deal found 4/15![Delta logo]()
$468
This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
MIA
- SJO
1 stop15h 01m
Copa Airlines
Sat 5/231:37 pm
SJO
- MIA
1 stop7h 05m
Copa Airlines
Deal found 4/13![Copa Airlines logo]()
$325
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:24 am
MIA
- SJO
1 stop5h 36m
Copa Airlines
Thu 6/188:47 am
SJO
- MIA
1 stop12h 01m
Copa Airlines
Deal found 4/16![Copa Airlines logo]()
$328
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:46 am
EYW
- SJO
2 stops25h 59m
Multiple Airlines
Wed 5/137:00 am
SJO
- EYW
1 stop26h 25m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$536
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:45 am
MIA
- LIR
1 stop9h 25m
Southwest
Sun 6/2111:50 am
LIR
- MIA
1 stop10h 45m
Southwest
Deal found 4/13![Southwest logo]()
$599
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 10/27:00 am
MIA
- LIR
1 stop7h 00m
Delta
Thu 10/151:25 pm
LIR
- MIA
1 stop7h 20m
Delta
Deal found 4/15![Delta logo]()
$511
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
MIA
- SJO
1 stop6h 00m
Copa Airlines
Sun 5/248:47 am
SJO
- MIA
1 stop11h 55m
Copa Airlines
Deal found 4/16![Copa Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 4/18. 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 4/298:05 am
EYW
- SJO
2 stops13h 02m
American Airlines
Wed 5/136:30 am
SJO
- EYW
2 stops14h 06m
American Airlines
Deal found 4/18![American Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 4/18. 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 6/34:53 pm
MIA
- LIR
1 stop18h 57m
United Airlines
Thu 6/1811:10 am
LIR
- MIA
1 stop9h 30m
United Airlines
Deal found 4/18![United Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Wed 4/2911:51 am
EYW
- SJO
1 stop29h 27m
Multiple Airlines
Wed 5/137:00 am
SJO
- EYW
1 stop26h 25m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 4/18. 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 stop10h 05m
United Airlines
Sun 6/711:10 am
LIR
- MIA
1 stop9h 30m
United Airlines
Deal found 4/18![United Airlines logo]()
$606
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
MIA
- LIR
1 stop8h 00m
Delta
Sat 5/232:40 pm
LIR
- MIA
1 stop8h 03m
Delta
Deal found 4/16![Delta logo]()
$554
This United Airlines deal was found by Cheapflights users on 4/18. 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 7/46:30 am
MIA
- LIR
1 stop29h 20m
United Airlines
Mon 7/133:27 pm
LIR
- MIA
1 stop17h 45m
United Airlines
Deal found 4/18![United Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/247:40 pm
EYW
- SJO
2 stops19h 19m
American Airlines
Sat 5/3012:50 pm
SJO
- EYW
2 stops21h 26m
American Airlines
Deal found 4/15![American Airlines logo]()
$762
Last-minute flights from Florida Keys to Costa RicaDiscover last-minute flight deals from Florida Keys to Costa Rica. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Florida Keys to Costa Rica. Data last updated April 18, 2026 and is based on user searches.
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![Avianca logo]()
$254
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
MIA
- SJO
1 stop7h 56m
Delta
Sat 5/92:40 pm
SJO
- MIA
1 stop8h 03m
Delta
Deal found 4/14![Delta logo]()
$279
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![American Airlines logo]()
$294
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![Avianca logo]()
$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.
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![Avianca logo]()
$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![Avianca logo]()
$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.
Wed 5/62:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Fri 5/157:45 am
SJO
- MIA
Nonstop2h 55m
Avianca
Deal found 4/14![Avianca logo]()
$280
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![Avianca logo]()
$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![Avianca logo]()
$273
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![Avianca logo]()
$264
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![American Airlines logo]()
$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![American Airlines logo]()
$293
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 18, 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 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.
Tue 4/282:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 4/14![Avianca logo]()
$108
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 5/51:45 pm
MIA
- SJO
2 stops7h 05m
Avianca
Deal found 4/14![Avianca logo]()
$110
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 4/13![Avianca logo]()
$114
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:00 am
MIA
- SJO
1 stop7h 10m
Southwest
Deal found 4/14![Southwest logo]()
$123
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.
Fri 5/82:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 4/13![Avianca logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:25 am
MIA
- SJO
2 stops7h 05m
Avianca
Deal found 4/14![Avianca logo]()
$125
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.
Mon 5/113:50 pm
MIA
- SJO
1 stop5h 00m
Avianca
Deal found 4/13![Avianca logo]()
$126
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.
Wed 5/131:45 pm
MIA
- SJO
2 stops7h 05m
Avianca
Deal found 4/13![Avianca logo]()
$127
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.
Fri 5/292:15 pm
MIA
- SJO
Nonstop2h 50m
Avianca
Deal found 4/14![Avianca logo]()
$130
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/112:14 pm
MIA
- LIR
Nonstop2h 56m
American Airlines
Deal found 4/17![American Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/16:15 am
MIA
- LIR
1 stop10h 10m
United Airlines
Deal found 4/17![United Airlines logo]()
$148
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:25 am
MIA
- LIR
Nonstop2h 59m
American Airlines
Deal found 4/16![American Airlines logo]()
$149
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) |
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
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
Showing 1-10 of 53 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
EYW-SJO
MIA-LIR
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
EYW-SJO
MIA-LIR
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
MediocreKaterine,Mar 2026
LAX - PTY
Comfort
7.4
Food
6.8
Entertainment
6.8
Crew
8.1
Boarding
7.8
Overall
7.5
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Volaris El Salvador
Comfort
7.4
Food
6.8
Entertainment
6.8
Crew
8.1
Boarding
7.8
Overall
7.5
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Comfort
7.4
Food
6.8
Entertainment
6.8
Crew
8.1
Boarding
7.8
Overall
7.5
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Comfort
7.4
Food
6.8
Entertainment
6.8
Crew
8.1
Boarding
7.8
Overall
7.5
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Comfort
7.4
Food
6.8
Entertainment
6.8
Crew
8.1
Boarding
7.8
Overall
7.5
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.
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.
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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 18, 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$523 | Average$747 | FlexibilityNo cancel fee | On-time71% |