$123+ Cheap flights from Buffalo (BUF) to Caribbean Islands
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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
May 18 — May 251
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Caribbean Islands 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Caribbean Islands
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Cheapest flights from Buffalo to Caribbean IslandsExplore the most affordable flight options available from Buffalo to Caribbean Islands. 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 Buffalo to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:44 am
BUF
- SJU
1 stop11h 04m
Frontier
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Frontier
Deal found 4/13![Frontier logo]()
$233
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:41 pm
BUF
- SJU
1 stop6h 27m
Multiple Airlines
Wed 5/137:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$236
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:02 am
BUF
- SJU
1 stop14h 59m
Multiple Airlines
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$241
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Thu 6/188:00 am
SJU
- BUF
1 stop12h 17m
Frontier
Deal found 4/14![Frontier logo]()
$244
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:31 pm
BUF
- SJU
1 stop6h 37m
Multiple Airlines
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$246
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:08 pm
BUF
- SJU
1 stop27h 35m
Multiple Airlines
Wed 5/67:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$247
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:19 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Sun 5/177:00 am
SJU
- BUF
1 stop13h 04m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$249
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.
Sat 5/25:42 pm
BUF
- STT
2 stops17h 53m
American Airlines
Wed 5/62:30 pm
STT
- BUF
1 stop9h 17m
American Airlines
Deal found 4/17![American Airlines logo]()
$250
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.
Tue 5/55:30 am
BUF
- STT
2 stops10h 45m
American Airlines
Thu 5/141:15 pm
STT
- BUF
1 stop10h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$251
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:36 am
BUF
- SJU
2 stops12h 45m
Frontier
Thu 5/219:00 am
SJU
- BUF
1 stop11h 04m
Frontier
Deal found 4/14![Frontier logo]()
$251
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Wed 5/137:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/14![JetBlue logo]()
$252
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:00 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Mon 5/116:00 am
SJU
- BUF
1 stop12h 46m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$254
Best flights from Buffalo to Caribbean IslandsDiscover carefully curated flight deals from Buffalo to Caribbean Islands 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 Buffalo to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 18, 2026.
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:00 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Wed 5/67:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/13![JetBlue logo]()
$266
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.
Sat 5/211:02 am
BUF
- SJU
2 stops12h 48m
United Airlines
Tue 5/57:20 am
SJU
- BUF
1 stop6h 50m
United Airlines
Deal found 4/13![United Airlines logo]()
$274
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.
Sat 5/23:32 pm
BUF
- SJU
1 stop8h 27m
Delta
Wed 5/62:45 pm
SJU
- BUF
1 stop8h 52m
Delta
Deal found 4/13![Delta logo]()
$275
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.
Tue 7/74:15 pm
BUF
- STT
2 stops18h 48m
American Airlines
Mon 7/274:50 pm
STT
- BUF
2 stops18h 10m
American Airlines
Deal found 4/14![American Airlines logo]()
$284
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:41 pm
BUF
- PUJ
2 stops24h 38m
Frontier
Sat 5/233:35 pm
PUJ
- BUF
1 stop19h 06m
Frontier
Deal found 4/13![Frontier logo]()
$333
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.
Mon 5/46:10 am
BUF
- SJU
1 stop6h 24m
United Airlines
Sat 5/97:40 am
SJU
- BUF
2 stops10h 55m
United Airlines
Deal found 4/17![United Airlines logo]()
$274
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.
Fri 5/86:25 am
BUF
- SJU
1 stop6h 55m
Delta
Wed 5/132:35 pm
SJU
- BUF
1 stop9h 24m
Delta
Deal found 4/16![Delta logo]()
$304
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Wed 5/1312:55 pm
SJU
- BUF
1 stop7h 24m
JetBlue
Deal found 4/17![JetBlue logo]()
$327
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.
Sat 4/2510:50 am
BUF
- SJU
2 stops10h 34m
United Airlines
Sat 5/27:40 am
SJU
- BUF
2 stops10h 55m
United Airlines
Deal found 4/17![United Airlines logo]()
$301
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
BUF
- STT
1 stop8h 48m
Delta
Wed 5/63:59 pm
STT
- BUF
1 stop8h 51m
Delta
Deal found 4/17![Delta logo]()
$318
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 4/247:28 pm
BUF
- MBJ
2 stops17h 23m
American Airlines
Mon 4/274:37 pm
MBJ
- BUF
2 stops19h 09m
American Airlines
Deal found 4/17![American Airlines logo]()
$357
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.
Sun 5/36:00 am
BUF
- MBJ
2 stops10h 37m
American Airlines
Tue 5/512:56 pm
MBJ
- BUF
2 stops20h 22m
American Airlines
Deal found 4/18![American Airlines logo]()
$357
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:36 am
BUF
- PUJ
1 stop26h 48m
Frontier
Tue 6/93:56 pm
PUJ
- BUF
1 stop21h 59m
Frontier
Deal found 4/18![Frontier logo]()
$395
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:35 am
BUF
- CUR
2 stops27h 45m
Multiple Airlines
Sat 7/113:10 pm
CUR
- BUF
1 stop8h 59m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$829
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.
Fri 6/267:31 pm
BUF
- MBJ
2 stops17h 14m
American Airlines
Fri 7/35:17 pm
MBJ
- BUF
2 stops18h 39m
American Airlines
Deal found 4/16![American Airlines logo]()
$358
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
BUF
- STT
1 stop7h 51m
Delta
Thu 5/143:01 pm
STT
- BUF
1 stop8h 58m
Delta
Deal found 4/17![Delta logo]()
$359
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:45 am
BUF
- PUJ
1 stop9h 25m
JetBlue
Thu 6/410:18 am
PUJ
- BUF
1 stop10h 47m
JetBlue
Deal found 4/13![JetBlue logo]()
$400
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.
Tue 5/57:00 am
BUF
- PUJ
1 stop8h 12m
United Airlines
Fri 5/82:20 pm
PUJ
- BUF
2 stops19h 21m
United Airlines
Deal found 4/16![United Airlines logo]()
$373
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:44 am
BUF
- PUJ
2 stops32h 24m
Frontier
Sat 5/94:37 pm
PUJ
- BUF
2 stops45h 17m
Frontier
Deal found 4/13![Frontier logo]()
$421
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.
Mon 5/115:00 am
BUF
- AUA
1 stop7h 55m
American Airlines
Sat 5/165:16 pm
AUA
- BUF
1 stop17h 02m
American Airlines
Deal found 4/16![American Airlines logo]()
$361
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 am
BUF
- UVF
1 stop7h 28m
JetBlue
Thu 5/212:10 pm
UVF
- BUF
1 stop9h 49m
JetBlue
Deal found 4/14![JetBlue logo]()
$402
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.
Sat 5/166:15 am
BUF
- SDQ
1 stop7h 08m
Delta
Sun 5/246:05 am
SDQ
- BUF
1 stop8h 57m
Delta
Deal found 4/13![Delta logo]()
$386
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:36 am
BUF
- PUJ
1 stop26h 48m
Frontier
Thu 5/283:35 pm
PUJ
- BUF
1 stop22h 19m
Frontier
Deal found 4/13![Frontier logo]()
$426
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.
Tue 5/125:00 am
BUF
- AUA
1 stop7h 55m
American Airlines
Sat 5/164:50 pm
AUA
- BUF
2 stops18h 01m
American Airlines
Deal found 4/14![American Airlines logo]()
$366
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.
Sun 5/106:10 am
BUF
- STT
1 stop6h 10m
United Airlines
Thu 5/144:45 pm
STT
- BUF
1 stop7h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$408
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
BUF
- NAS
1 stop11h 06m
JetBlue
Sat 5/3011:23 am
NAS
- BUF
1 stop10h 15m
JetBlue
Deal found 4/14![JetBlue logo]()
$418
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.
Wed 5/1310:32 am
BUF
- SDQ
1 stop7h 29m
Delta
Sat 5/232:00 pm
SDQ
- BUF
1 stop10h 19m
Delta
Deal found 4/15![Delta logo]()
$386
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 9/307:56 pm
BUF
- PUJ
2 stops18h 39m
American Airlines
Sun 10/43:25 pm
PUJ
- BUF
2 stops19h 19m
American Airlines
Deal found 4/14![American Airlines logo]()
$367
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:05 am
BUF
- NAS
1 stop7h 24m
JetBlue
Wed 6/39:15 am
NAS
- BUF
1 stop8h 04m
JetBlue
Deal found 4/15![JetBlue logo]()
$418
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BUF
- MBJ
1 stop10h 10m
United Airlines
Fri 6/54:12 pm
MBJ
- BUF
1 stop16h 39m
United Airlines
Deal found 4/14![United Airlines logo]()
$424
Last-minute flights from Buffalo to Caribbean IslandsDiscover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated April 18, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:44 am
BUF
- SJU
1 stop11h 04m
Frontier
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Frontier
Deal found 4/13![Frontier logo]()
$233
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:02 am
BUF
- SJU
1 stop14h 59m
Multiple Airlines
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$241
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.
Sat 5/25:42 pm
BUF
- STT
2 stops17h 05m
American Airlines
Wed 5/62:30 pm
STT
- BUF
2 stops19h 48m
American Airlines
Deal found 4/17![American Airlines logo]()
$250
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:08 pm
BUF
- SJU
1 stop27h 35m
Multiple Airlines
Wed 5/67:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$247
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:00 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Mon 5/116:00 am
SJU
- BUF
1 stop12h 46m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$254
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.
Tue 5/55:30 am
BUF
- STT
2 stops10h 45m
American Airlines
Thu 5/141:15 pm
STT
- BUF
1 stop10h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$251
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:41 pm
BUF
- SJU
1 stop6h 27m
Multiple Airlines
Wed 5/137:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$236
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Wed 5/137:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/14![JetBlue logo]()
$252
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:31 pm
BUF
- SJU
1 stop6h 37m
Multiple Airlines
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$246
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:36 am
BUF
- SJU
2 stops12h 45m
Frontier
Thu 5/219:00 am
SJU
- BUF
1 stop11h 04m
Frontier
Deal found 4/14![Frontier logo]()
$251
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:19 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Sun 5/177:00 am
SJU
- BUF
1 stop13h 04m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$249
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Thu 6/188:00 am
SJU
- BUF
1 stop12h 17m
Frontier
Deal found 4/14![Frontier logo]()
$244
One-way flights from Buffalo to Caribbean IslandsSearch for one-way flight options from Buffalo to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
Search for one-way flight options from Buffalo to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Deal found 4/15![Frontier logo]()
$123
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:50 am
BUF
- SJU
2 stops12h 47m
Frontier
Deal found 4/17![Frontier logo]()
$125
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:49 pm
BUF
- SJU
1 stop29h 19m
Frontier
Deal found 4/14![Frontier logo]()
$126
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.
Mon 6/152:50 pm
BUF
- SJU
2 stops33h 25m
Frontier
Deal found 4/14![Frontier logo]()
$127
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 7/152:50 pm
BUF
- SJU
2 stops33h 54m
Frontier
Deal found 4/14![Frontier logo]()
$130
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.
Fri 5/152:49 pm
BUF
- SJU
2 stops13h 12m
Frontier
Deal found 4/15![Frontier logo]()
$131
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
BUF
- SJU
1 stop27h 35m
Frontier
Deal found 4/17![Frontier logo]()
$132
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
BUF
- SJU
1 stop27h 22m
Frontier
Deal found 4/13![Frontier logo]()
$133
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:41 pm
BUF
- SJU
2 stops34h 47m
Frontier
Deal found 4/17![Frontier logo]()
$134
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.
Tue 5/1212:18 pm
BUF
- SJU
1 stop9h 59m
Delta
Deal found 4/13![Delta logo]()
$137
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:02 pm
BUF
- SJU
1 stop10h 53m
Frontier
Deal found 4/14![Frontier logo]()
$138
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.
Tue 7/146:00 am
BUF
- STT
1 stop7h 48m
American Airlines
Deal found 4/15![American Airlines logo]()
$140
Find flight deals from Buffalo to Caribbean Islands
Keep the following information in mind while searching for Buffalo to Caribbean Islands flight deals. Data was last updated April 18, 2026.
Round-trip from | $233 (Priceline) |
|---|---|
One-way from | $123 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $371 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Caribbean Islands 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 Buffalo to Caribbean Islands that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/2
8:00 am-11:54 am
Nonstop3h 54m
San Juan Luis Munoz Marin Intl
Wed 5/6
7:00 pm-11:48 pm
Nonstop4h 48m
$266
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/2
11:02 am-11:50 pm
2 stops12h 48m
San Juan Luis Munoz Marin Intl
Tue 5/5
7:20 am-2:10 pm
1 stop6h 50m
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 5/4
6:10 am-12:34 pm
1 stop6h 24m
San Juan Luis Munoz Marin Intl
Sat 5/9
7:40 am-6:35 pm
2 stops10h 55m
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/2
3:32 pm-11:59 pm
1 stop8h 27m
San Juan Luis Munoz Marin Intl
Wed 5/6
2:45 pm-11:37 pm
1 stop8h 52m
$275
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Tue 7/7
4:15 pm-11:03 am
2 stops18h 48m
Saint Thomas Island Cyril E King
Mon 7/27
4:50 pm-11:00 am
2 stops18h 10m
$284
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 4/25
10:50 am-9:24 pm
2 stops10h 34m
San Juan Luis Munoz Marin Intl
Sat 5/2
7:40 am-6:35 pm
2 stops10h 55m
$301
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 5/8
6:25 am-1:20 pm
1 stop6h 55m
San Juan Luis Munoz Marin Intl
Wed 5/13
2:35 pm-11:59 pm
1 stop9h 24m
$304
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Sat 5/2
6:00 am-2:48 pm
1 stop8h 48m
Saint Thomas Island Cyril E King
Wed 5/6
3:59 pm-12:50 am
1 stop8h 51m
$318
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/9
9:19 am-1:13 pm
Nonstop3h 54m
San Juan Luis Munoz Marin Intl
Wed 5/13
12:55 pm-8:19 pm
1 stop7h 24m
$327
BuffaloPunta Cana
BUF - PUJ
BUFPUJ
Buffalo
Mon 5/18
7:41 pm-8:19 pm
2 stops24h 38m
Punta Cana
Sat 5/23
3:35 pm-10:41 am
1 stop19h 06m
$333
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Buffalo to Caribbean Islands
Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Buffalo with our price prediction graph.
BUF-SJU
BUF-STT
BUF-PUJ
BUF-MBJ
BUF-CUR
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 Islands
BUF-zzEPX
BUF-SJU
BUF-STT
BUF-PUJ
BUF-MBJ
What is the cheapest month to book a flight from Buffalo to Caribbean Islands?
Currently, September is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $137). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of $290). 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 EPX?
Find hourly flight availability from Buffalo to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 18, 2026.
When flying from Buffalo to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Caribbean Islands
Get insights into the airlines that provide service to Caribbean Islands. 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 Islands. Reviews last updated April 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to Caribbean Islands to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Caribbean Islands. 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 Islands
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean Islands by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Caribbean Islands by cabin class
Find flights from Buffalo to Caribbean Islands, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Caribbean Islands flights
Browse other Buffalo and Caribbean Islands flight options. Last updated on April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Buffalo to Caribbean Islands flights
Consider these flights traveling from Buffalo to Caribbean Islands.
Top 6 airlines flying from Buffalo to Caribbean Islands
Discover the top 6 airlines that operate flights from Buffalo to Caribbean Islands. 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$112 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$532 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$621 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$498 | FlexibilityNo cancel fee | On-time71% |