$95+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Mar 27 — Apr 31
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 February 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 February 25, 2026.
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/285:30 am
BUF
- STT
2 stops10h 45m
American Airlines
Fri 5/12:30 pm
STT
- BUF
2 stops19h 48m
American Airlines
Deal found 2/24![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:07 am
BUF
- SJU
2 stops14h 19m
United Airlines
Wed 3/42:05 am
SJU
- BUF
1 stop8h 43m
United Airlines
Deal found 2/24![United Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/117:00 am
BUF
- STT
1 stop8h 18m
United Airlines
Tue 3/1712:02 pm
STT
- BUF
2 stops11h 54m
United Airlines
Deal found 2/22![United Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/116:34 am
BUF
- STT
1 stop9h 28m
American Airlines
Tue 3/174:20 pm
STT
- BUF
2 stops18h 38m
American Airlines
Deal found 2/23![American Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 2/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:02 pm
BUF
- SJU
1 stop11h 50m
Multiple Airlines
Fri 4/246:30 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 2/21. 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.
Sat 4/115:00 pm
BUF
- SJU
1 stop6h 15m
Southwest
Wed 4/152:00 pm
SJU
- BUF
1 stop7h 45m
Southwest
Deal found 2/21![Southwest logo]()
$232
This CheapOair deal was found by Cheapflights users on 2/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:09 pm
BUF
- SJU
1 stop11h 05m
Multiple Airlines
Sat 4/186:30 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 am
BUF
- STT
1 stop8h 18m
United Airlines
Fri 3/274:25 pm
STT
- BUF
1 stop7h 31m
United Airlines
Deal found 2/24![United Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 2/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:08 pm
BUF
- SJU
1 stop28h 32m
Frontier
Sun 5/176:30 am
SJU
- BUF
1 stop12h 43m
Frontier
Deal found 2/22![Frontier logo]()
$240
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/145:30 am
BUF
- SJU
2 stops12h 40m
American Airlines
Wed 4/223:19 pm
SJU
- BUF
1 stop8h 00m
American Airlines
Deal found 2/21![American Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:02 am
BUF
- SJU
2 stops12h 48m
United Airlines
Mon 5/111:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 2/23![United Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 3/312:05 pm
BUF
- SJU
1 stop10h 53m
Delta
Thu 3/126:15 am
SJU
- BUF
1 stop9h 36m
Delta
Deal found 2/25![Delta logo]()
$248
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 February 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 February 25, 2026.
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:09 pm
BUF
- SJU
1 stop11h 04m
Delta
Wed 5/207:05 am
SJU
- BUF
1 stop7h 57m
Delta
Deal found 2/22![Delta logo]()
$222
This JetBlue deal was found by Cheapflights users on 2/22. 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.
Wed 5/137:20 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Mon 5/186:15 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 2/22![JetBlue logo]()
$295
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/247:00 am
BUF
- MBJ
1 stop6h 46m
United Airlines
Tue 3/314:12 pm
MBJ
- BUF
1 stop6h 38m
United Airlines
Deal found 2/21![United Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Sun 4/196:00 am
BUF
- MBJ
2 stops10h 37m
American Airlines
Mon 4/274:37 pm
MBJ
- BUF
2 stops19h 09m
American Airlines
Deal found 2/21![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 2/21. 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.
Sat 6/272:30 pm
BUF
- SJU
1 stop9h 10m
Southwest
Wed 7/15:00 am
SJU
- BUF
1 stop7h 10m
Southwest
Deal found 2/21![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 2/21. 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.
Tue 3/176:00 am
BUF
- STT
1 stop8h 45m
Delta
Wed 3/183:55 pm
STT
- BUF
1 stop8h 19m
Delta
Deal found 2/21![Delta logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:45 pm
BUF
- PUJ
1 stop25h 32m
Multiple Airlines
Fri 3/275:01 pm
PUJ
- BUF
2 stops27h 29m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 3/26:00 am
BUF
- STT
1 stop9h 22m
Delta
Wed 3/113:55 pm
STT
- BUF
1 stop8h 19m
Delta
Deal found 2/21![Delta logo]()
$249
This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:56 pm
BUF
- POP
2 stops18h 42m
LATAM Airlines
Tue 3/313:55 pm
POP
- BUF
2 stops25h 14m
LATAM Airlines
Deal found 2/21![LATAM Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 3/26:00 am
BUF
- STT
1 stop9h 22m
Delta
Tue 3/103:55 pm
STT
- BUF
1 stop8h 19m
Delta
Deal found 2/21![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Fri 5/296:00 am
BUF
- MBJ
2 stops10h 10m
United Airlines
Tue 6/24:12 pm
MBJ
- BUF
1 stop6h 47m
United Airlines
Deal found 2/22![United Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/167:40 pm
BUF
- MBJ
2 stops17h 47m
American Airlines
Thu 3/192:26 pm
MBJ
- BUF
2 stops17h 56m
American Airlines
Deal found 2/21![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/216:00 am
BUF
- SJU
1 stop7h 45m
United Airlines
Wed 4/291:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 2/21![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 2/21. 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 5/612:09 pm
BUF
- SJU
1 stop11h 04m
Delta
Thu 5/1412:50 pm
SJU
- BUF
1 stop11h 09m
Delta
Deal found 2/21![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 4/275:00 am
BUF
- STT
1 stop7h 35m
American Airlines
Sat 5/22:05 pm
STT
- BUF
2 stops20h 13m
American Airlines
Deal found 2/24![American Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 2/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:10 pm
BUF
- SJU
2 stops10h 30m
Southwest
Sun 5/175:00 am
SJU
- BUF
1 stop9h 15m
Southwest
Deal found 2/22![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
BUF
- MBJ
2 stops9h 10m
United Airlines
Tue 5/122:40 pm
MBJ
- BUF
2 stops18h 26m
United Airlines
Deal found 2/24![United Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 4/107:28 pm
BUF
- SXM
2 stops20h 04m
American Airlines
Fri 4/172:21 pm
SXM
- BUF
2 stops20h 53m
American Airlines
Deal found 2/24![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:18 pm
BUF
- SJU
1 stop9h 59m
Delta
Sat 6/66:15 am
SJU
- BUF
1 stop10h 15m
Delta
Deal found 2/22![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 4/247:00 am
BUF
- STT
1 stop8h 31m
United Airlines
Fri 5/14:45 pm
STT
- BUF
1 stop7h 10m
United Airlines
Deal found 2/21![United Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
BUF
- POP
1 stop6h 58m
JetBlue
Tue 3/312:20 pm
POP
- BUF
2 stops29h 40m
JetBlue
Deal found 2/21![JetBlue logo]()
$437
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Sat 2/287:02 pm
BUF
- AUA
1 stop16h 31m
American Airlines
Mon 3/22:46 pm
AUA
- BUF
1 stop9h 03m
American Airlines
Deal found 2/24![American Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 2/21. 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 5/612:09 pm
BUF
- SJU
1 stop11h 04m
Delta
Fri 5/157:30 am
SJU
- BUF
1 stop8h 30m
Delta
Deal found 2/21![Delta logo]()
$298
This BusinessClass deal was found by Cheapflights users on 2/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:02 pm
BUF
- POP
1 stop18h 55m
JetBlue
Mon 5/41:52 pm
POP
- BUF
1 stop7h 33m
JetBlue
Deal found 2/24![JetBlue logo]()
$452
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
BUF
- STT
1 stop8h 18m
United Airlines
Sat 3/144:25 pm
STT
- BUF
1 stop7h 10m
United Airlines
Deal found 2/23![United Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 4/67:40 pm
BUF
- AUA
2 stops20h 45m
American Airlines
Wed 4/154:20 pm
AUA
- BUF
1 stop7h 27m
American Airlines
Deal found 2/24![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 2/21. 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 4/156:05 am
BUF
- SJU
1 stop6h 47m
Delta
Thu 4/236:15 am
SJU
- BUF
1 stop9h 38m
Delta
Deal found 2/21![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
BUF
- STT
1 stop8h 18m
United Airlines
Tue 3/311:22 pm
STT
- BUF
2 stops10h 28m
United Airlines
Deal found 2/24![United Airlines logo]()
$341
This FlightHub deal was found by Cheapflights users on 2/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
BUF
- POP
2 stops32h 03m
JetBlue
Wed 5/131:52 pm
POP
- BUF
1 stop7h 33m
JetBlue
Deal found 2/22![JetBlue logo]()
$461
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Sat 3/75:29 am
BUF
- STT
2 stops11h 00m
American Airlines
Wed 3/114:42 pm
STT
- BUF
1 stop7h 08m
American Airlines
Deal found 2/23![American Airlines logo]()
$351
Last-minute flights from Buffalo to Caribbean IslandsDiscover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated February 25, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Caribbean Islands. Data last updated February 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 2/287:00 am
BUF
- SJU
2 stops13h 26m
United Airlines
Wed 3/45:50 pm
SJU
- BUF
1 stop6h 54m
United Airlines
Deal found 2/21![United Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 2/21. 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 3/16:00 am
BUF
- STT
1 stop8h 04m
Delta
Thu 3/121:55 pm
STT
- BUF
1 stop9h 51m
Delta
Deal found 2/21![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
BUF
- SJU
2 stops14h 00m
United Airlines
Tue 3/32:05 am
SJU
- BUF
1 stop9h 13m
United Airlines
Deal found 2/23![United Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:07 am
BUF
- SJU
2 stops14h 19m
United Airlines
Wed 3/42:05 am
SJU
- BUF
1 stop8h 43m
United Airlines
Deal found 2/24![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 3/312:05 pm
BUF
- SJU
1 stop10h 53m
Delta
Thu 3/126:15 am
SJU
- BUF
1 stop9h 36m
Delta
Deal found 2/25![Delta logo]()
$248
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/35:19 am
BUF
- STT
2 stops11h 10m
American Airlines
Mon 3/95:25 pm
STT
- BUF
2 stops17h 33m
American Airlines
Deal found 2/21![American Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:05 pm
BUF
- SJU
1 stop10h 53m
Delta
Fri 3/137:30 am
SJU
- BUF
1 stop11h 13m
Delta
Deal found 2/22![Delta logo]()
$258
This Frontier deal was found by Cheapflights users on 2/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:17 pm
BUF
- SJU
1 stop13h 37m
Frontier
Fri 3/136:30 am
SJU
- BUF
1 stop11h 11m
Frontier
Deal found 2/23![Frontier logo]()
$265
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/45:24 am
BUF
- STT
2 stops11h 05m
American Airlines
Wed 3/185:25 pm
STT
- BUF
2 stops17h 28m
American Airlines
Deal found 2/22![American Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
BUF
- STT
1 stop8h 45m
Delta
Tue 3/171:55 pm
STT
- BUF
1 stop9h 51m
Delta
Deal found 2/22![Delta logo]()
$224
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/116:34 am
BUF
- STT
1 stop9h 28m
American Airlines
Tue 3/174:20 pm
STT
- BUF
2 stops18h 38m
American Airlines
Deal found 2/23![American Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 am
BUF
- STT
1 stop8h 18m
United Airlines
Fri 3/274:25 pm
STT
- BUF
1 stop7h 31m
United Airlines
Deal found 2/24![United Airlines logo]()
$237
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 February 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 February 25, 2026.
This Super.com deal was found by Cheapflights users on 2/21. 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.
Mon 4/2011:19 am
BUF
- SJU
1 stop14h 42m
Frontier
Deal found 2/21![Frontier logo]()
$95
This Priceline deal was found by Cheapflights users on 2/24. 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 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
Frontier
Deal found 2/24![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 2/24. 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 Super.com 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 27m
Frontier
Deal found 2/24![Frontier logo]()
$101
This Delta deal was found by Cheapflights users on 2/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
BUF
- SJU
1 stop10h 23m
Delta
Deal found 2/24![Delta logo]()
$103
This Delta deal was found by Cheapflights users on 2/23. 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.
Tue 3/312:05 pm
BUF
- SJU
1 stop10h 53m
Delta
Deal found 2/23![Delta logo]()
$111
This Priceline deal was found by Cheapflights users on 2/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:17 pm
BUF
- SJU
1 stop6h 36m
Frontier
Deal found 2/24![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 2/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:25 pm
BUF
- SJU
1 stop12h 32m
Frontier
Deal found 2/24![Frontier logo]()
$120
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 3/2211:23 am
BUF
- SJU
1 stop12h 29m
American Airlines
Deal found 2/23![American Airlines logo]()
$121
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/712:22 pm
BUF
- SJU
2 stops9h 43m
American Airlines
Deal found 2/21![American Airlines logo]()
$122
This American Airlines deal was found by Cheapflights users on 2/21. 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 5/65:30 am
BUF
- SJU
2 stops12h 40m
American Airlines
Deal found 2/21![American Airlines logo]()
$124
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:15 am
BUF
- NAS
1 stop5h 45m
Delta
Deal found 2/22![Delta logo]()
$124
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/215:00 am
BUF
- SJU
1 stop17h 05m
American Airlines
Deal found 2/24![American Airlines logo]()
$126
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 February 25, 2026.
Round-trip from | $180 (American Airlines) |
|---|---|
One-way from | $95 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $384 |
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 February 25, 2026.
Use the filters below to find and compare flights from Buffalo to Caribbean Islands that are best for you.
Fly from
Buffalo
Fly to
Caribbean Islands
Route
Depart
Return
Price
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
12:09 pm-11:13 pm
1 stop11h 04m
San Juan Luis Munoz Marin Intl
Wed 5/20
7:05 am-3:02 pm
1 stop7h 57m
$222
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Tue 3/17
6:00 am-2:45 pm
1 stop8h 45m
Saint Thomas Island Cyril E King
Wed 3/18
3:55 pm-12:14 am
1 stop8h 19m
$224
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Mon 3/2
6:00 am-4:22 pm
1 stop9h 22m
Saint Thomas Island Cyril E King
Wed 3/11
3:55 pm-12:14 am
1 stop8h 19m
$249
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Mon 3/2
6:00 am-4:22 pm
1 stop9h 22m
Saint Thomas Island Cyril E King
Tue 3/10
3:55 pm-12:14 am
1 stop8h 19m
$249
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
12:09 pm-11:13 pm
1 stop11h 04m
San Juan Luis Munoz Marin Intl
Thu 5/14
12:50 pm-11:59 pm
1 stop11h 09m
$269
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 6/1
12:18 pm-10:17 pm
1 stop9h 59m
San Juan Luis Munoz Marin Intl
Sat 6/6
6:15 am-4:30 pm
1 stop10h 15m
$292
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/13
7:20 am-11:14 am
Nonstop3h 54m
San Juan Luis Munoz Marin Intl
Mon 5/18
6:15 pm-11:04 pm
Nonstop4h 49m
$295
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
12:09 pm-11:13 pm
1 stop11h 04m
San Juan Luis Munoz Marin Intl
Fri 5/15
7:30 am-4:00 pm
1 stop8h 30m
$298
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 4/15
6:05 am-12:52 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Thu 4/23
6:15 am-3:53 pm
1 stop9h 38m
$298
BuffaloMontego Bay
BUF - MBJ
BUFMBJ
Buffalo
Tue 3/24
7:00 am-12:46 pm
1 stop6h 46m
Montego Bay Sangster Intl
Tue 3/31
4:12 pm-11:50 pm
1 stop6h 38m
$312
Showing 1-10 of 60 results
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-MBJ
BUF-PUJ
BUF-SXM
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 Islands
BUF-zzEPX
BUF-SJU
BUF-MBJ
BUF-PUJ
BUF-SXM
What is the cheapest month to book a flight from Buffalo to Caribbean Islands?
Currently, February is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $89). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing 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 February 25, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 February 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 February 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$193 | Average$539 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$675 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$540 | FlexibilityNo cancel fee | On-time71% |