$109+ Cheap flights from Buffalo (BUF) to Caribbean
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Aug 8 — Aug 151
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 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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to CaribbeanExplore the most affordable flight options available from Buffalo to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
Explore the most affordable flight options available from Buffalo to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/165:18 pm
BUF
- STT
2 stops19h 33m
American Airlines
Wed 9/231:41 pm
STT
- BUF
2 stops20h 37m
American Airlines
Deal found 7/8![American Airlines logo]()
$267
This JetBlue deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/17:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/76:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/7![JetBlue logo]()
$305
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/5![JetBlue logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/127:00 am
BUF
- SJU
2 stops13h 38m
United Airlines
Fri 9/181:00 am
SJU
- BUF
1 stop8h 52m
United Airlines
Deal found 7/8![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/296:12 am
BUF
- SJU
1 stop6h 22m
United Airlines
Wed 9/24:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/7![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2312:55 pm
BUF
- SJU
2 stops10h 30m
Southwest
Wed 8/261:20 pm
SJU
- BUF
1 stop8h 25m
Southwest
Deal found 7/7![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/55:45 am
BUF
- SJU
1 stop7h 25m
Southwest
Sat 9/126:25 am
SJU
- BUF
1 stop10h 20m
Southwest
Deal found 7/7![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/96:05 am
BUF
- SJU
1 stop10h 44m
Delta
Sun 9/137:30 am
SJU
- BUF
1 stop7h 35m
Delta
Deal found 7/6![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:16 pm
BUF
- SJU
1 stop10h 13m
Delta
Wed 9/27:30 am
SJU
- BUF
1 stop7h 43m
Delta
Deal found 7/5![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 22m
Frontier
Mon 10/129:49 pm
SJU
- BUF
1 stop20h 12m
Frontier
Deal found 7/8![Frontier logo]()
$318
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Sat 8/296:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/8![JetBlue logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:29 am
BUF
- SJU
2 stops37h 12m
Frontier
Mon 8/103:10 am
SJU
- BUF
1 stop15h 56m
Frontier
Deal found 7/8![Frontier logo]()
$321
Best flights from Buffalo to CaribbeanDiscover carefully curated flight deals from Buffalo to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
Discover carefully curated flight deals from Buffalo to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/165:18 pm
BUF
- STT
2 stops19h 33m
American Airlines
Wed 9/231:41 pm
STT
- BUF
2 stops20h 37m
American Airlines
Deal found 7/8![American Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/127:00 am
BUF
- SJU
1 stop7h 44m
United Airlines
Sat 9/194:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/8![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 10/73:53 pm
BUF
- SJU
1 stop8h 03m
Delta
Mon 10/121:06 pm
SJU
- BUF
1 stop10h 53m
Delta
Deal found 7/4![Delta logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/297:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Sat 8/86:30 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/7![JetBlue logo]()
$330
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Tue 9/89:45 am
BUF
- SJU
2 stops9h 15m
Southwest
Sat 9/128:20 am
SJU
- BUF
1 stop8h 25m
Southwest
Deal found 7/4![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 stop7h 37m
Delta
Sat 9/121:21 pm
SJU
- BUF
1 stop10h 51m
Delta
Deal found 7/4![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/75:26 pm
BUF
- STT
2 stops17h 41m
American Airlines
Thu 11/126:17 pm
STT
- BUF
2 stops17h 52m
American Airlines
Deal found 7/4![American Airlines logo]()
$330
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 7/317:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Mon 8/36:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/8![JetBlue logo]()
$330
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
BUF
- SJU
2 stops13h 38m
United Airlines
Sat 10/247:00 am
SJU
- BUF
2 stops13h 47m
United Airlines
Deal found 7/5![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/116:05 am
BUF
- SJU
1 stop7h 42m
Delta
Thu 9/172:59 pm
SJU
- BUF
1 stop8h 55m
Delta
Deal found 7/4![Delta logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Wed 9/27:25 am
SJU
- BUF
1 stop7h 34m
JetBlue
Deal found 7/8![JetBlue logo]()
$332
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 9/246:56 pm
BUF
- SXM
2 stops18h 26m
American Airlines
Wed 9/302:22 pm
SXM
- BUF
2 stops20h 13m
American Airlines
Deal found 7/7![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/287:00 am
BUF
- SJU
1 stop9h 33m
Delta
Tue 9/112:56 pm
SJU
- BUF
1 stop11h 03m
Delta
Deal found 7/6![Delta logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Mon 8/316:00 am
BUF
- SJU
Nonstop4h 32m
JetBlue
Wed 9/210:35 pm
SJU
- BUF
1 stop9h 17m
JetBlue
Deal found 7/4![JetBlue logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 am
BUF
- STT
2 stops10h 40m
American Airlines
Fri 12/46:17 pm
STT
- BUF
2 stops17h 57m
American Airlines
Deal found 7/9![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/267:59 pm
BUF
- MBJ
2 stops17h 49m
United Airlines
Sat 10/314:21 pm
MBJ
- BUF
2 stops17h 08m
United Airlines
Deal found 7/7![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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
- SXM
1 stop6h 52m
American Airlines
Sat 9/54:39 pm
SXM
- BUF
2 stops18h 07m
American Airlines
Deal found 7/7![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/256:00 am
BUF
- MBJ
1 stop7h 07m
Delta
Wed 10/282:45 pm
MBJ
- BUF
1 stop8h 14m
Delta
Deal found 7/8![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 11/156:30 am
BUF
- MBJ
1 stop7h 18m
United Airlines
Sat 11/215:21 pm
MBJ
- BUF
2 stops16h 08m
United Airlines
Deal found 7/7![United Airlines logo]()
$419
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/68:40 am
BUF
- MBJ
1 stop6h 42m
JetBlue
Thu 9/103:00 pm
MBJ
- BUF
1 stop6h 56m
JetBlue
Deal found 7/8![JetBlue logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/226:50 am
BUF
- SXM
1 stop6h 43m
American Airlines
Sat 8/292:33 pm
SXM
- BUF
1 stop20h 08m
American Airlines
Deal found 7/9![American Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:27 am
BUF
- MBJ
2 stops10h 07m
Delta
Thu 8/272:26 pm
MBJ
- BUF
2 stops16h 49m
Delta
Deal found 7/4![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 11/1410:30 am
BUF
- MBJ
2 stops28h 09m
United Airlines
Fri 11/203:20 pm
MBJ
- BUF
2 stops29h 36m
United Airlines
Deal found 7/6![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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
- PUJ
1 stop7h 35m
Southwest
Sat 9/261:25 pm
PUJ
- BUF
1 stop7h 40m
Southwest
Deal found 7/6![Southwest logo]()
$585
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 am
BUF
- MBJ
1 stop10h 29m
Delta
Sat 8/294:59 pm
MBJ
- BUF
2 stops17h 23m
Delta
Deal found 7/4![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/146:50 pm
BUF
- SXM
2 stops18h 10m
American Airlines
Sat 11/215:24 pm
SXM
- BUF
2 stops18h 38m
American Airlines
Deal found 7/4![American Airlines logo]()
$382
This JetBlue deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 10/238:00 am
BUF
- STT
1 stop7h 54m
JetBlue
Mon 10/264:40 pm
STT
- BUF
1 stop6h 13m
JetBlue
Deal found 7/6![JetBlue logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am
BUF
- MBJ
2 stops53h 43m
United Airlines
Mon 10/262:20 pm
MBJ
- BUF
2 stops22h 41m
United Airlines
Deal found 7/6![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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
- MBJ
1 stop10h 29m
Delta
Thu 9/104:59 pm
MBJ
- BUF
2 stops14h 25m
Delta
Deal found 7/9![Delta logo]()
$367
This FlightHub deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Mon 9/77:55 pm
BUF
- SXM
1 stop16h 42m
JetBlue
Fri 9/253:05 pm
SXM
- BUF
1 stop7h 51m
JetBlue
Deal found 7/9![JetBlue logo]()
$427
Last-minute flights from Buffalo to CaribbeanDiscover last-minute flight deals from Buffalo to Caribbean. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Caribbean. Data last updated July 9, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/17:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/76:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/7![JetBlue logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:29 am
BUF
- SJU
2 stops37h 12m
Frontier
Mon 8/103:10 am
SJU
- BUF
1 stop15h 56m
Frontier
Deal found 7/8![Frontier logo]()
$321
This Cheapflightsfares deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Sat 8/156:30 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/6![JetBlue logo]()
$322
This Cheapflightsfares deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Mon 8/176:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/5![JetBlue logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/227:34 pm
BUF
- SXM
2 stops20h 05m
American Airlines
Sat 8/292:33 pm
SXM
- BUF
2 stops19h 06m
American Airlines
Deal found 7/8![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/2312:55 pm
BUF
- SJU
2 stops10h 30m
Southwest
Wed 8/261:20 pm
SJU
- BUF
1 stop8h 25m
Southwest
Deal found 7/7![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/2711:25 am
BUF
- SJU
1 stop11h 25m
Southwest
Sun 8/305:30 am
SJU
- BUF
1 stop12h 00m
Southwest
Deal found 7/5![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/287:00 am
BUF
- SJU
1 stop9h 33m
Delta
Mon 8/317:30 am
SJU
- BUF
1 stop7h 43m
Delta
Deal found 7/6![Delta logo]()
$316
This JetBlue deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Wed 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/5![JetBlue logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/296:12 am
BUF
- SJU
1 stop6h 22m
United Airlines
Wed 9/24:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/7![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:16 pm
BUF
- SJU
1 stop10h 13m
Delta
Wed 9/27:30 am
SJU
- BUF
1 stop7h 43m
Delta
Deal found 7/5![Delta logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
BUF
- SJU
Nonstop4h 40m
JetBlue
Sat 8/296:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/8![JetBlue logo]()
$320
One-way flights from Buffalo to CaribbeanSearch for one-way flight options from Buffalo to Caribbean. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
Search for one-way flight options from Buffalo to Caribbean. Find affordable one-way fares based on user searches. Data last updated July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/186:14 am
BUF
- SJU
2 stops12h 19m
American Airlines
Deal found 7/9![American Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 7/9![American Airlines logo]()
$116
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/205:11 am
BUF
- SXM
2 stops10h 28m
American Airlines
Deal found 7/6![American Airlines logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:40 am
BUF
- MBJ
1 stop6h 42m
JetBlue
Deal found 7/7![JetBlue logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 stops30h 44m
Frontier
Deal found 7/7![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:29 am
BUF
- SJU
2 stops13h 12m
Frontier
Deal found 7/7![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/52:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Deal found 7/8![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:29 am
BUF
- SJU
2 stops37h 12m
Frontier
Deal found 7/8![Frontier logo]()
$140
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/46:27 am
BUF
- SJU
1 stop8h 40m
American Airlines
Deal found 7/7![American Airlines logo]()
$144
This SmartFares deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Wed 8/197:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Deal found 7/9![JetBlue logo]()
$148
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/92:23 pm
BUF
- SJU
2 stops19h 01m
American Airlines
Deal found 7/9![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/85:32 am
BUF
- SJU
2 stops18h 11m
American Airlines
Deal found 7/8![American Airlines logo]()
$150
Find flight deals from Buffalo to Caribbean
Keep the following information in mind while searching for Buffalo to Caribbean flight deals. Data was last updated July 9, 2026.
Round-trip from | $267 (American Airlines) |
|---|---|
One-way from | $109 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $419 |
Good round-trip deal | $345 or less |
Good one-way deal | $168 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Caribbean that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
Use the filters below to find and compare flights from Buffalo to Caribbean that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Wed 9/16
5:18 pm-12:51 pm
2 stops19h 33m
Saint Thomas Island Cyril E King
Wed 9/23
1:41 pm-10:18 am
2 stops20h 37m
$268
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 9/12
7:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Sat 9/19
4:55 pm-11:44 pm
1 stop6h 49m
$308
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 10/7
3:53 pm-11:56 pm
1 stop8h 03m
San Juan Luis Munoz Marin Intl
Mon 10/12
1:06 pm-11:59 pm
1 stop10h 53m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 9/6
6:05 am-1:42 pm
1 stop7h 37m
San Juan Luis Munoz Marin Intl
Sat 9/12
1:21 pm-12:12 am
1 stop10h 51m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 9/11
6:05 am-1:47 pm
1 stop7h 42m
San Juan Luis Munoz Marin Intl
Thu 9/17
2:59 pm-11:54 pm
1 stop8h 55m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 8/28
7:00 am-4:33 pm
1 stop9h 33m
San Juan Luis Munoz Marin Intl
Tue 9/1
12:56 pm-11:59 pm
1 stop11h 03m
$316
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 7/29
7:00 am-11:35 am
Nonstop4h 35m
San Juan Luis Munoz Marin Intl
Sat 8/8
6:30 pm-11:08 pm
Nonstop4h 38m
$330
BuffaloSaint Thomas Island
BUF - STT
BUFSTT
Buffalo
Sat 11/7
5:26 pm-12:07 pm
2 stops17h 41m
Saint Thomas Island Cyril E King
Thu 11/12
6:17 pm-11:09 am
2 stops17h 52m
$330
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 7/31
7:00 am-11:35 am
Nonstop4h 35m
San Juan Luis Munoz Marin Intl
Mon 8/3
6:29 pm-11:07 pm
Nonstop4h 38m
$330
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 8/29
7:00 am-11:40 am
Nonstop4h 40m
San Juan Luis Munoz Marin Intl
Wed 9/2
7:25 am-2:59 pm
1 stop7h 34m
$332
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Buffalo to Caribbean
Have a flexible travel schedule? Discover the best time to fly to Caribbean from Buffalo with our price prediction graph.
BUF-STT
BUF-SJU
BUF-SXM
BUF-MBJ
BUF-PUJ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to Caribbean
BUF-0CB
BUF-STT
BUF-SJU
BUF-SXM
BUF-MBJ
What is the cheapest month to book a flight from Buffalo to Caribbean?
Currently, December is the cheapest month in which you can book a flight from Buffalo to Caribbean (average of $103). Flying from Buffalo to Caribbean in May is currently the most expensive (average of $675). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BUF to CB?
Find hourly flight availability from Buffalo to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Caribbean as you normally would.
How far ahead should I book a flight from Buffalo to Caribbean?
The price you pay for your flight from Buffalo to Caribbean may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Caribbean
Get insights into the airlines that provide service to Caribbean. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean. Reviews last updated July 9, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to Caribbean by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 countries
Top destinations
Alternative routes for Buffalo to Caribbean
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Caribbean by cabin class
Find flights from Buffalo to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Caribbean flights
Browse other Buffalo and Caribbean flight options. Last updated on July 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Caribbean countries
Consider these flights traveling to countries located in Caribbean.
Buffalo to Caribbean flights
Consider these flights traveling from Buffalo to Caribbean.
Top 6 airlines flying from Buffalo to Caribbean
Discover the top 6 airlines that operate flights from Buffalo to Caribbean. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$565 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$626 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$542 | FlexibilityNo cancel fee | On-time71% |