$136+ Cheap flights from Buffalo (BUF) to Caribbean
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Aug 17 — Aug 241
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Caribbean 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
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Cheapest flights from Buffalo to CaribbeanExplore the most affordable flight options available from Buffalo to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
Explore the most affordable flight options available from Buffalo to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Sun 9/63:40 pm
BUF
- SJU
1 stop8h 35m
American Airlines
Sat 9/126:00 am
SJU
- BUF
2 stops10h 22m
American Airlines
Deal found 7/17![American Airlines logo]()
$309
This SmartFares deal was found by Cheapflights users on 7/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/15![JetBlue logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Tue 9/221:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Wed 9/304:39 pm
SJU
- BUF
1 stop18h 24m
Frontier
Deal found 7/14![Frontier logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 9/196:00 am
BUF
- SJU
1 stop7h 45m
United Airlines
Wed 9/237:00 am
SJU
- BUF
2 stops14h 07m
United Airlines
Deal found 7/13![United Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Thu 9/178:54 pm
BUF
- SJU
1 stop11h 04m
Frontier
Wed 9/234:39 pm
SJU
- BUF
2 stops43h 42m
Frontier
Deal found 7/14![Frontier logo]()
$315
This Delta deal was found by Cheapflights users on 7/13. 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.
Sun 9/66:05 am
BUF
- SJU
1 stop10h 33m
Delta
Sat 9/123:10 pm
SJU
- BUF
1 stop7h 26m
Delta
Deal found 7/13![Delta logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Sun 9/201:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Wed 9/306:42 pm
SJU
- BUF
1 stop22h 52m
Frontier
Deal found 7/14![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$321
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/146:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/15![JetBlue logo]()
$322
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:40 pm
BUF
- SJU
1 stop9h 25m
Southwest
Tue 8/2511:50 am
SJU
- BUF
2 stops9h 15m
Southwest
Deal found 7/17![Southwest logo]()
$323
Best flights from Buffalo to CaribbeanDiscover carefully curated flight deals from Buffalo to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from Buffalo to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 9/1210:30 am
BUF
- SJU
2 stops13h 20m
United Airlines
Sat 9/191:25 pm
SJU
- BUF
1 stop9h 47m
United Airlines
Deal found 7/17![United Airlines logo]()
$308
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Sat 8/156:30 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/13![JetBlue logo]()
$330
This Delta deal was found by Cheapflights users on 7/14. 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.
Sat 8/2912:16 pm
BUF
- SJU
1 stop10h 13m
Delta
Wed 9/22:59 pm
SJU
- BUF
1 stop9h 00m
Delta
Deal found 7/14![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Wed 8/195:15 am
SJU
- BUF
1 stop6h 25m
Southwest
Deal found 7/17![Southwest logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:34 pm
BUF
- NAS
1 stop18h 38m
American Airlines
Wed 8/123:34 pm
NAS
- BUF
1 stop6h 21m
American Airlines
Deal found 7/13![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/14. 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.
Sun 9/66:05 am
BUF
- SJU
1 stop10h 33m
Delta
Sat 9/123:10 pm
SJU
- BUF
1 stop7h 26m
Delta
Deal found 7/14![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 10/286:30 am
BUF
- MBJ
1 stop7h 18m
United Airlines
Sun 11/13:45 pm
MBJ
- BUF
2 stops17h 44m
United Airlines
Deal found 7/17![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:50 pm
BUF
- SJU
2 stops9h 30m
Southwest
Fri 10/238:50 pm
SJU
- BUF
1 stop12h 50m
Southwest
Deal found 7/17![Southwest logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 am
BUF
- NAS
1 stop7h 08m
American Airlines
Thu 9/242:34 pm
NAS
- BUF
2 stops9h 06m
American Airlines
Deal found 7/13![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/13. 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.
Wed 9/166:05 am
BUF
- NAS
1 stop5h 46m
Delta
Thu 9/241:16 pm
NAS
- BUF
1 stop10h 38m
Delta
Deal found 7/13![Delta logo]()
$360
This JetBlue deal was found by Cheapflights users on 7/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:10 pm
BUF
- SJU
1 stop8h 48m
JetBlue
Mon 10/126:15 pm
SJU
- BUF
Nonstop4h 35m
JetBlue
Deal found 7/15![JetBlue logo]()
$408
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 11/145:15 am
BUF
- NAS
2 stops10h 10m
American Airlines
Sat 11/213:00 pm
NAS
- BUF
1 stop9h 08m
American Airlines
Deal found 7/17![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 9/156:00 am
BUF
- SJU
1 stop7h 53m
United Airlines
Wed 9/161:25 pm
SJU
- BUF
2 stops10h 19m
United Airlines
Deal found 7/17![United Airlines logo]()
$406
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:42 am
BUF
- SJU
1 stop7h 22m
JetBlue
Mon 9/72:20 am
SJU
- BUF
1 stop7h 21m
JetBlue
Deal found 7/13![JetBlue logo]()
$409
This Delta deal was found by Cheapflights users on 7/16. 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.
Tue 1/56:00 am
BUF
- STT
1 stop8h 05m
Delta
Wed 1/133:10 pm
STT
- BUF
1 stop9h 45m
Delta
Deal found 7/16![Delta logo]()
$383
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 8/185:00 am
BUF
- NAS
2 stops12h 51m
American Airlines
Sun 8/233:35 pm
NAS
- BUF
1 stop8h 21m
American Airlines
Deal found 7/16![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sun 11/156:00 am
BUF
- MBJ
1 stop8h 14m
United Airlines
Sat 11/212:54 pm
MBJ
- BUF
1 stop18h 35m
United Airlines
Deal found 7/13![United Airlines logo]()
$411
This JetBlue deal was found by Cheapflights users on 7/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
BUF
- SJU
1 stop8h 11m
JetBlue
Mon 9/72:20 am
SJU
- BUF
1 stop7h 21m
JetBlue
Deal found 7/15![JetBlue logo]()
$415
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/177:48 pm
BUF
- NAS
2 stops16h 03m
Delta
Sat 8/226:04 pm
NAS
- BUF
2 stops17h 18m
Delta
Deal found 7/16![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 am
BUF
- STT
2 stops10h 40m
American Airlines
Fri 12/46:17 pm
STT
- BUF
2 stops17h 57m
American Airlines
Deal found 7/13![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Sun 1/107:00 am
BUF
- AUA
1 stop8h 40m
United Airlines
Fri 1/155:50 pm
AUA
- BUF
2 stops20h 20m
United Airlines
Deal found 7/17![United Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 7/13. 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.
Tue 10/277:15 pm
BUF
- AUA
1 stop17h 30m
Delta
Thu 11/263:10 pm
AUA
- BUF
1 stop9h 40m
Delta
Deal found 7/13![Delta logo]()
$388
This Southwest deal was found by Cheapflights users on 7/14. 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.
Mon 10/196:00 am
BUF
- PUJ
1 stop6h 25m
Southwest
Fri 10/232:45 pm
PUJ
- BUF
1 stop8h 55m
Southwest
Deal found 7/14![Southwest logo]()
$518
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 am
BUF
- SJU
Nonstop4h 39m
JetBlue
Sun 10/186:12 am
SJU
- BUF
1 stop29h 02m
JetBlue
Deal found 7/17![JetBlue logo]()
$439
This United Airlines deal was found by Cheapflights users on 7/16. 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 11/267:59 pm
BUF
- MBJ
2 stops17h 49m
United Airlines
Thu 12/31:25 pm
MBJ
- BUF
1 stop9h 12m
United Airlines
Deal found 7/16![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 7/13. 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 10/232:10 pm
BUF
- AUA
2 stops21h 50m
Delta
Thu 11/263:10 pm
AUA
- BUF
1 stop9h 40m
Delta
Deal found 7/13![Delta logo]()
$402
This Gurufare deal was found by Cheapflights users on 7/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:59 pm
BUF
- GND
2 stops19h 26m
Multiple Airlines
Wed 8/124:57 pm
GND
- BUF
2 stops31h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,435
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:12 pm
BUF
- STT
1 stop15h 31m
American Airlines
Thu 11/1212:28 pm
STT
- BUF
1 stop12h 40m
American Airlines
Deal found 7/13![American Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 7/14. 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 9/2312:17 pm
BUF
- SJU
1 stop10h 02m
Delta
Sat 9/262:59 pm
SJU
- BUF
1 stop8h 55m
Delta
Deal found 7/14![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 10/297:59 pm
BUF
- PUJ
1 stop20h 29m
United Airlines
Mon 11/22:55 pm
PUJ
- BUF
2 stops19h 51m
United Airlines
Deal found 7/13![United Airlines logo]()
$453
Last-minute flights from Buffalo to CaribbeanDiscover last-minute flight deals from Buffalo to Caribbean. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Caribbean. Data last updated July 18, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 7/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 8/106:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/12![JetBlue logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/146:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/15![JetBlue logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 8/196:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/13![JetBlue logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Fri 8/142:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Wed 9/28:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/15![Frontier logo]()
$328
This SmartFares deal was found by Cheapflights users on 7/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/15![JetBlue logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Wed 8/198:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/13![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:40 pm
BUF
- SJU
1 stop9h 25m
Southwest
Tue 8/2511:50 am
SJU
- BUF
2 stops9h 15m
Southwest
Deal found 7/17![Southwest logo]()
$323
This JetBlue deal was found by Cheapflights users on 7/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/16![JetBlue logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Mon 8/318:57 pm
SJU
- BUF
1 stop12h 26m
Frontier
Deal found 7/16![Frontier logo]()
$329
This JetBlue deal was found by Cheapflights users on 7/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/13![JetBlue logo]()
$326
One-way flights from Buffalo to CaribbeanSearch for one-way flight options from Buffalo to Caribbean. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from Buffalo to Caribbean. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Deal found 7/13![Frontier logo]()
$136
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 7/287:35 pm
BUF
- NAS
1 stop14h 26m
American Airlines
Deal found 7/17![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/142:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Deal found 7/12![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:29 am
BUF
- SJU
2 stops13h 12m
Frontier
Deal found 7/13![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/2611:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Deal found 7/14![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Fri 10/91:13 pm
BUF
- SJU
2 stops34h 44m
Frontier
Deal found 7/14![Frontier logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:40 am
BUF
- MBJ
1 stop6h 42m
JetBlue
Deal found 7/16![JetBlue logo]()
$146
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/126:55 am
BUF
- MBJ
2 stops9h 15m
United Airlines
Deal found 7/16![United Airlines logo]()
$148
This SmartFares deal was found by Cheapflights users on 7/12. 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 8/147:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Deal found 7/12![JetBlue logo]()
$148
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 8/126:50 am
BUF
- SJU
1 stop17h 09m
American Airlines
Deal found 7/17![American Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Thu 9/171:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 7/15![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:29 am
BUF
- SJU
2 stops13h 12m
Frontier
Deal found 7/13![Frontier logo]()
$151
Find flight deals from Buffalo to Caribbean
Keep the following information in mind while searching for Buffalo to Caribbean flight deals. Data was last updated July 18, 2026.
Round-trip from | $308 (United Airlines) |
|---|---|
One-way from | $136 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $417 |
Good round-trip deal | $345 or less |
Good one-way deal | $200 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Caribbean 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 July 18, 2026.
Use the filters below to find and compare flights from Buffalo to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 9/12
10:30 am-11:50 pm
2 stops13h 20m
San Juan Luis Munoz Marin Intl
Sat 9/19
1:25 pm-11:12 pm
1 stop9h 47m
$308
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 8/7
7:00 am-11:38 am
Nonstop4h 38m
San Juan Luis Munoz Marin Intl
Sat 8/15
6:30 pm-11:08 pm
Nonstop4h 38m
$330
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 8/29
12:16 pm-10:29 pm
1 stop10h 13m
San Juan Luis Munoz Marin Intl
Wed 9/2
2:59 pm-11:59 pm
1 stop9h 00m
$336
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 9/6
6:05 am-4:38 pm
1 stop10h 33m
San Juan Luis Munoz Marin Intl
Sat 9/12
3:10 pm-10:36 pm
1 stop7h 26m
$336
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 8/14
3:55 pm-10:50 pm
1 stop6h 55m
San Juan Luis Munoz Marin Intl
Wed 8/19
5:15 am-11:40 am
1 stop6h 25m
$349
BuffaloMontego Bay
BUF - MBJ
BUFMBJ
Buffalo
Wed 10/28
6:30 am-12:48 pm
1 stop7h 18m
Montego Bay Sangster Intl
Sun 11/1
3:45 pm-9:29 am
2 stops17h 44m
$349
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 10/16
2:50 pm-12:20 am
2 stops9h 30m
San Juan Luis Munoz Marin Intl
Fri 10/23
8:50 pm-9:40 am
1 stop12h 50m
$359
BuffaloNassau
BUF - NAS
BUFNAS
Buffalo
Wed 9/16
6:05 am-11:51 am
1 stop5h 46m
Nassau Intl
Thu 9/24
1:16 pm-11:54 pm
1 stop10h 38m
$360
BuffaloNassau
BUF - NAS
BUFNAS
Buffalo
Fri 8/7
7:34 pm-2:12 pm
1 stop18h 38m
Nassau Intl
Wed 8/12
3:34 pm-9:55 pm
1 stop6h 21m
$367
BuffaloNassau
BUF - NAS
BUFNAS
Buffalo
Wed 9/16
6:30 am-1:38 pm
1 stop7h 08m
Nassau Intl
Thu 9/24
2:34 pm-11:40 pm
2 stops9h 06m
$369
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Buffalo to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from Buffalo with our price prediction graph.
BUF-SJU
BUF-NAS
BUF-MBJ
BUF-STT
BUF-AUA
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 Buffalo to Caribbean
BUF-0CB
BUF-SJU
BUF-NAS
BUF-MBJ
BUF-STT
What is the cheapest month to book a flight from Buffalo to Caribbean?
Currently, September is the cheapest month in which you can book a flight from Buffalo to Caribbean (average of $403). Flying from Buffalo to Caribbean in December is currently the most expensive (average of $617). 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.
What is the cheapest time of day to fly from BUF to CB?
Find hourly flight availability from Buffalo to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Caribbean as you normally would.
How far ahead should I book a flight from Buffalo to Caribbean?
The price you pay for your flight from Buffalo to Caribbean may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Caribbean
Get insights into the airlines that provide service to Caribbean. 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 Caribbean. Reviews last updated July 18, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to Caribbean by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Caribbean. 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 Buffalo to Caribbean
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Caribbean by cabin class
Find flights from Buffalo to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Caribbean flights
Browse other Buffalo and Caribbean flight options. Last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Caribbean countries
Consider these flights traveling to countries located in Caribbean.
Buffalo to Caribbean flights
Consider these flights traveling from Buffalo to Caribbean.
Top 6 airlines flying from Buffalo to Caribbean
Discover the top 6 airlines that operate flights from Buffalo to Caribbean. 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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$555 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$212 | Average$628 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$543 | FlexibilityNo cancel fee | On-time71% |