$109+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Aug 24 — Aug 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Caribbean Islands
Cheapest
Best
Last-minute
One-way
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 July 25, 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 July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/97:35 pm
BUF
- STT
2 stops19h 20m
American Airlines
Sat 10/173:46 pm
STT
- BUF
2 stops18h 32m
American Airlines
Deal found 7/21![American Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 11/76:39 pm
BUF
- STT
2 stops18h 44m
American Airlines
Thu 11/124:53 pm
STT
- BUF
2 stops18h 45m
American Airlines
Deal found 7/19![American Airlines logo]()
$262
This Super.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/276:55 am
BUF
- SJU
1 stop9h 04m
JetBlue
Mon 8/316:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/23![JetBlue logo]()
$303
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/76:00 am
BUF
- SJU
2 stops9h 38m
American Airlines
Mon 10/123:51 pm
SJU
- BUF
1 stop6h 59m
American Airlines
Deal found 7/22![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/236:30 am
BUF
- SJU
1 stop8h 20m
American Airlines
Wed 9/306:00 am
SJU
- BUF
2 stops14h 56m
American Airlines
Deal found 7/24![American Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/96:00 am
BUF
- SJU
1 stop7h 53m
United Airlines
Sat 9/121:00 am
SJU
- BUF
2 stops8h 48m
United Airlines
Deal found 7/22![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/1510:30 am
BUF
- SJU
2 stops13h 20m
United Airlines
Mon 9/214:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/22![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/286:50 am
BUF
- SJU
1 stop17h 09m
American Airlines
Tue 9/87:30 am
SJU
- BUF
1 stop10h 32m
American Airlines
Deal found 7/19![American Airlines logo]()
$310
This Super.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2212:10 pm
BUF
- SJU
1 stop7h 32m
JetBlue
Mon 10/266:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/21![JetBlue logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/2310:30 am
BUF
- SJU
2 stops10h 17m
American Airlines
Mon 9/282:22 pm
SJU
- BUF
2 stops9h 32m
American Airlines
Deal found 7/20![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/2710:43 am
BUF
- SJU
2 stops11h 12m
American Airlines
Tue 9/87:30 am
SJU
- BUF
1 stop14h 25m
American Airlines
Deal found 7/20![American Airlines logo]()
$316
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Fri 10/22:23 pm
BUF
- SJU
1 stop8h 24m
JetBlue
Wed 12/166:15 pm
SJU
- BUF
Nonstop4h 42m
JetBlue
Deal found 7/22![JetBlue logo]()
$318
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 July 25, 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 July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 11/76:39 pm
BUF
- STT
2 stops18h 44m
American Airlines
Thu 11/124:53 pm
STT
- BUF
2 stops18h 45m
American Airlines
Deal found 7/19![American Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/96:00 am
BUF
- SJU
1 stop7h 53m
United Airlines
Sat 9/121:00 am
SJU
- BUF
2 stops8h 48m
United Airlines
Deal found 7/21![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/173:40 pm
BUF
- SJU
1 stop6h 30m
Southwest
Thu 10/225:00 am
SJU
- BUF
2 stops9h 10m
Southwest
Deal found 7/23![Southwest logo]()
$323
This JetBlue deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/266:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/19![JetBlue logo]()
$325
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/57:00 am
BUF
- SJU
1 stop9h 33m
Delta
Sat 9/122:30 pm
SJU
- BUF
1 stop8h 05m
Delta
Deal found 7/23![Delta logo]()
$334
This Priceline deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/157:00 am
BUF
- STT
1 stop7h 57m
Multiple Airlines
Fri 8/213:00 pm
STT
- BUF
2 stops8h 07m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/233:53 pm
BUF
- SJU
1 stop7h 59m
Delta
Thu 8/2712:56 pm
SJU
- BUF
1 stop11h 03m
Delta
Deal found 7/19![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Sun 9/206:20 am
BUF
- SJU
2 stops10h 45m
Southwest
Wed 9/2310:30 am
SJU
- BUF
2 stops10h 35m
Southwest
Deal found 7/21![Southwest logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/46:50 am
BUF
- GCM
1 stop5h 37m
American Airlines
Fri 9/1112:36 pm
GCM
- BUF
1 stop8h 11m
American Airlines
Deal found 7/21![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 7/19![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/122:30 pm
SJU
- BUF
1 stop8h 05m
Delta
Deal found 7/21![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/57:00 am
BUF
- GCM
1 stop8h 17m
American Airlines
Sat 9/1211:55 am
GCM
- BUF
2 stops21h 04m
American Airlines
Deal found 7/22![American Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sun 10/113:25 pm
BUF
- SJU
2 stops10h 00m
Southwest
Wed 10/145:05 am
SJU
- BUF
2 stops10h 10m
Southwest
Deal found 7/20![Southwest logo]()
$363
This JetBlue deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Tue 10/277:40 am
BUF
- NAS
1 stop6h 07m
JetBlue
Thu 10/292:10 pm
NAS
- BUF
1 stop6h 05m
JetBlue
Deal found 7/22![JetBlue logo]()
$420
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/276:05 am
BUF
- MBJ
1 stop7h 56m
Delta
Sat 10/312:59 pm
MBJ
- BUF
1 stop10h 13m
Delta
Deal found 7/21![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 11/116:00 am
BUF
- GCM
2 stops10h 30m
United Airlines
Sun 11/155:45 pm
GCM
- BUF
2 stops15h 44m
United Airlines
Deal found 7/22![United Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/242:39 pm
NAS
- BUF
1 stop7h 08m
American Airlines
Deal found 7/21![American Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/66:40 am
BUF
- MBJ
2 stops9h 54m
Delta
Thu 9/104:50 pm
MBJ
- BUF
2 stops14h 34m
Delta
Deal found 7/20![Delta logo]()
$357
This JetBlue deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Sun 9/66:55 am
BUF
- SXM
1 stop6h 59m
JetBlue
Thu 9/103:05 pm
SXM
- BUF
1 stop7h 51m
JetBlue
Deal found 7/21![JetBlue logo]()
$446
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 7/21![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Thu 11/55:05 am
BUF
- GCM
1 stop7h 30m
Southwest
Tue 11/101:30 pm
GCM
- BUF
2 stops18h 55m
Southwest
Deal found 7/21![Southwest logo]()
$440
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/65:45 pm
BUF
- STT
2 stops21h 14m
American Airlines
Sat 9/124:53 pm
STT
- BUF
2 stops19h 49m
American Airlines
Deal found 7/19![American Airlines logo]()
$415
This JetBlue deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Sun 11/17:40 am
BUF
- PUJ
1 stop6h 45m
JetBlue
Thu 12/104:35 pm
PUJ
- BUF
1 stop7h 41m
JetBlue
Deal found 7/23![JetBlue logo]()
$462
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 stop7h 48m
Delta
Thu 9/241:16 pm
NAS
- BUF
2 stops10h 37m
Delta
Deal found 7/21![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 12/67:00 am
BUF
- PUJ
2 stops9h 25m
United Airlines
Thu 12/105:20 pm
PUJ
- BUF
2 stops17h 29m
United Airlines
Deal found 7/21![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/46:00 am
BUF
- SXM
1 stop8h 05m
Southwest
Fri 9/113:05 pm
SXM
- BUF
1 stop7h 40m
Southwest
Deal found 7/23![Southwest logo]()
$460
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/136:59 pm
BUF
- NAS
1 stop17h 49m
American Airlines
Fri 8/211:50 pm
NAS
- BUF
1 stop8h 05m
American Airlines
Deal found 7/23![American Airlines logo]()
$420
This JetBlue deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/197:00 am
BUF
- STT
1 stop7h 55m
JetBlue
Wed 8/263:45 pm
STT
- BUF
1 stop7h 22m
JetBlue
Deal found 7/20![JetBlue logo]()
$486
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 12/57:00 am
BUF
- PUJ
2 stops9h 25m
United Airlines
Wed 12/97:30 pm
PUJ
- BUF
1 stop15h 56m
United Airlines
Deal found 7/20![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 11/16:10 am
BUF
- MBJ
2 stops10h 24m
Delta
Wed 11/111:50 pm
MBJ
- BUF
1 stop10h 00m
Delta
Deal found 7/23![Delta logo]()
$444
Last-minute flights from Buffalo to Caribbean IslandsDiscover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated July 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/127:57 pm
BUF
- SJU
1 stop12h 00m
Frontier
Wed 8/195:37 pm
SJU
- BUF
2 stops40h 52m
Frontier
Deal found 7/22![Frontier logo]()
$331
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Thu 8/131:40 pm
BUF
- SJU
1 stop9h 25m
Southwest
Wed 9/22:25 pm
SJU
- BUF
1 stop6h 40m
Southwest
Deal found 7/23![Southwest logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/144:49 pm
BUF
- SJU
1 stop7h 10m
American Airlines
Wed 9/21:38 pm
SJU
- BUF
2 stops9h 58m
American Airlines
Deal found 7/22![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/195:00 am
BUF
- SJU
2 stops9h 51m
American Airlines
Wed 9/21:38 pm
SJU
- BUF
2 stops9h 58m
American Airlines
Deal found 7/22![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/206:59 pm
BUF
- SXM
2 stops18h 23m
American Airlines
Mon 8/242:22 pm
SXM
- BUF
2 stops19h 17m
American Airlines
Deal found 7/23![American Airlines logo]()
$380
This JetBlue deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/217:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 8/266:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/19![JetBlue logo]()
$325
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/222:51 pm
BUF
- SJU
1 stop7h 33m
American Airlines
Wed 8/267:03 am
SJU
- BUF
1 stop9h 53m
American Airlines
Deal found 7/21![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/266:00 am
BUF
- SJU
1 stop7h 24m
American Airlines
Tue 9/87:03 am
SJU
- BUF
1 stop16h 53m
American Airlines
Deal found 7/19![American Airlines logo]()
$321
This Super.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/276:55 am
BUF
- SJU
1 stop9h 04m
JetBlue
Mon 8/316:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/23![JetBlue logo]()
$303
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Thu 8/274:35 pm
BUF
- SJU
1 stop7h 15m
Southwest
Tue 9/82:25 pm
SJU
- BUF
1 stop6h 40m
Southwest
Deal found 7/20![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/2710:43 am
BUF
- SJU
2 stops11h 12m
American Airlines
Tue 9/87:30 am
SJU
- BUF
1 stop14h 25m
American Airlines
Deal found 7/20![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/286:50 am
BUF
- SJU
1 stop17h 09m
American Airlines
Tue 9/87:30 am
SJU
- BUF
1 stop10h 32m
American Airlines
Deal found 7/19![American Airlines logo]()
$310
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 July 25, 2026.
Search for one-way flight options from Buffalo to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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
Deal found 7/22![United Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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
- SJU
2 stops9h 51m
American Airlines
Deal found 7/22![American Airlines logo]()
$112
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/26:00 am
BUF
- SJU
2 stops10h 11m
American Airlines
Deal found 7/22![American Airlines logo]()
$114
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/196:50 am
BUF
- SJU
1 stop17h 09m
American Airlines
Deal found 7/22![American Airlines logo]()
$117
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/236:00 am
BUF
- SJU
2 stops14h 47m
American Airlines
Deal found 7/24![American Airlines logo]()
$130
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/57:35 pm
BUF
- STT
2 stops19h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$135
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/147:35 pm
BUF
- STT
2 stops19h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/51:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 7/23![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/61:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 7/23![Frontier logo]()
$142
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/244:31 pm
BUF
- SXM
2 stops20h 52m
American Airlines
Deal found 7/22![American Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1512:28 pm
BUF
- SJU
2 stops12h 13m
Frontier
Deal found 7/22![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/226:30 am
BUF
- SJU
1 stop8h 20m
American Airlines
Deal found 7/21![American Airlines logo]()
$144
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 July 25, 2026.
Round-trip from | $261 (American Airlines) |
|---|---|
One-way from | $109 (United Airlines) |
Popular in | December |
Cheapest in | March |
Average price | $416 |
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 July 25, 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
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Sat 11/7
6:39 pm-2:23 pm
2 stops18h 44m
Saint Thomas Island Cyril E King
Thu 11/12
4:53 pm-10:38 am
2 stops18h 45m
$262
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 9/9
6:00 am-1:53 pm
1 stop7h 53m
San Juan Luis Munoz Marin Intl
Sat 9/12
1:00 am-9:48 am
2 stops8h 48m
$308
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 10/17
3:40 pm-10:10 pm
1 stop6h 30m
San Juan Luis Munoz Marin Intl
Thu 10/22
5:00 am-2:10 pm
2 stops9h 10m
$323
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 8/22
7:00 am-11:40 am
Nonstop4h 40m
San Juan Luis Munoz Marin Intl
Wed 8/26
6:29 pm-11:07 pm
Nonstop4h 38m
$325
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 9/5
7:00 am-4:33 pm
1 stop9h 33m
San Juan Luis Munoz Marin Intl
Sat 9/12
2:30 pm-10:35 pm
1 stop8h 05m
$334
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 8/23
3:53 pm-11:52 pm
1 stop7h 59m
San Juan Luis Munoz Marin Intl
Thu 8/27
12:56 pm-11:59 pm
1 stop11h 03m
$334
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
2:30 pm-10:35 pm
1 stop8h 05m
$334
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 9/20
6:20 am-5:05 pm
2 stops10h 45m
San Juan Luis Munoz Marin Intl
Wed 9/23
10:30 am-9:05 pm
2 stops10h 35m
$349
BuffaloMontego Bay
BUF - MBJ
BUFMBJ
Buffalo
Sun 9/27
6:05 am-1:01 pm
1 stop7h 56m
Montego Bay Sangster Intl
Sat 10/3
12:59 pm-12:12 am
1 stop10h 13m
$352
BuffaloGeorge Town
BUF - GCM
BUFGCM
Buffalo
Fri 9/4
6:50 am-11:27 am
1 stop5h 37m
George Town Owen Roberts Intl
Fri 9/11
12:36 pm-9:47 pm
1 stop8h 11m
$357
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-SXM
BUF-STT
BUF-GCM
BUF-NAS
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-SXM
BUF-STT
BUF-GCM
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 $483). Flying from Buffalo to Caribbean Islands in June is currently the most expensive (average of $664). 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 July 25, 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.
How far ahead should I book a flight from Buffalo to Caribbean Islands?
The price you pay for your flight from Buffalo to Caribbean Islands may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 25, 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.
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
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 Islands. 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 July 25, 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$565 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$627 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$544 | FlexibilityNo cancel fee | On-time71% |