$130+ Cheap flights from Buffalo (BUF) to Puerto Rico
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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jun 17 — Jun 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buffalo to Puerto Rico 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 Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Puerto RicoExplore the most affordable flight options available from Buffalo to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
Explore the most affordable flight options available from Buffalo to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.
This Priceline deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:57 pm
BUF
- SJU
1 stop21h 39m
Frontier
Wed 8/196:00 am
SJU
- BUF
1 stop13h 07m
Frontier
Deal found 5/16![Frontier logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Sat 6/65:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 5/18![JetBlue logo]()
$300
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
BUF
- SJU
1 stop9h 33m
Delta
Wed 8/266:48 am
SJU
- BUF
1 stop8h 18m
Delta
Deal found 5/15![Delta logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Sat 6/136:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/16![JetBlue logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Sat 6/206:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/18![JetBlue logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 6/156:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/16![JetBlue logo]()
$310
This Priceline deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:57 pm
BUF
- BQN
1 stop15h 37m
Frontier
Tue 8/182:59 am
BQN
- BUF
1 stop16h 08m
Frontier
Deal found 5/14![Frontier logo]()
$310
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
BUF
- SJU
1 stop9h 38m
Delta
Mon 8/32:11 pm
SJU
- BUF
1 stop9h 47m
Delta
Deal found 5/15![Delta logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:50 pm
BUF
- SJU
2 stops39h 54m
Frontier
Fri 8/145:15 pm
SJU
- BUF
1 stop18h 18m
Frontier
Deal found 5/16![Frontier logo]()
$313
This JetBlue deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Fri 6/196:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/15![JetBlue logo]()
$315
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:05 pm
BUF
- SJU
1 stop9h 52m
Frontier
Thu 7/168:00 am
SJU
- BUF
1 stop12h 16m
Frontier
Deal found 5/14![Frontier logo]()
$316
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:56 pm
BUF
- SJU
1 stop11h 03m
American Airlines
Wed 9/26:51 am
SJU
- BUF
1 stop10h 02m
American Airlines
Deal found 5/18![American Airlines logo]()
$317
Best flights from Buffalo to Puerto RicoDiscover carefully curated flight deals from Buffalo to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Buffalo to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
BUF
- SJU
1 stop6h 54m
United Airlines
Fri 9/181:25 pm
SJU
- BUF
2 stops10h 20m
United Airlines
Deal found 5/18![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
BUF
- SJU
1 stop9h 38m
Delta
Mon 8/32:11 pm
SJU
- BUF
1 stop9h 47m
Delta
Deal found 5/15![Delta logo]()
$312
This JetBlue deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Fri 6/193:24 pm
SJU
- BUF
1 stop8h 49m
JetBlue
Deal found 5/15![JetBlue logo]()
$352
This CheapOair deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:57 pm
BUF
- PSE
1 stop13h 49m
Frontier
Mon 7/1310:31 am
PSE
- BUF
1 stop8h 35m
Frontier
Deal found 5/16![Frontier logo]()
$355
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:14 am
BUF
- BQN
2 stops22h 44m
Multiple Airlines
Thu 8/63:00 am
BQN
- BUF
1 stop16h 06m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 am
BUF
- SJU
1 stop6h 33m
Delta
Thu 8/206:48 am
SJU
- BUF
1 stop8h 18m
Delta
Deal found 5/17![Delta logo]()
$359
This CheapOair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:52 pm
BUF
- PSE
1 stop14h 00m
Frontier
Wed 8/2610:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 5/15![Frontier logo]()
$360
This JetBlue deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Wed 8/266:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/17![JetBlue logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am
BUF
- SJU
2 stops13h 38m
United Airlines
Wed 10/71:25 pm
SJU
- BUF
2 stops10h 01m
United Airlines
Deal found 5/13![United Airlines logo]()
$389
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Mon 6/810:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 5/14![Frontier logo]()
$371
This JetBlue deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:26 pm
BUF
- SJU
1 stop8h 06m
JetBlue
Wed 8/266:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/15![JetBlue logo]()
$387
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Tue 6/210:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 5/14![Frontier logo]()
$376
This JetBlue deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Wed 8/196:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/17![JetBlue logo]()
$405
This Frontier deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Tue 6/910:27 am
PSE
- BUF
1 stop8h 45m
Frontier
Deal found 5/16![Frontier logo]()
$376
This CheapOair deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:57 pm
BUF
- BQN
1 stop15h 36m
Multiple Airlines
Mon 8/102:30 pm
BQN
- BUF
2 stops9h 35m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$557
This JetBlue deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:52 pm
BUF
- SJU
1 stop8h 18m
JetBlue
Fri 8/146:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/17![JetBlue logo]()
$421
This CheapOair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:57 pm
BUF
- BQN
1 stop15h 36m
Frontier
Sun 8/93:00 am
BQN
- BUF
1 stop16h 06m
Frontier
Deal found 5/15![Frontier logo]()
$406
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:30 am
BUF
- BQN
2 stops12h 39m
United Airlines
Tue 9/112:15 am
BQN
- BUF
2 stops20h 52m
United Airlines
Deal found 5/17![United Airlines logo]()
$552
This CheapOair deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:02 pm
BUF
- BQN
1 stop29h 03m
Multiple Airlines
Fri 8/75:01 am
BQN
- BUF
2 stops19h 04m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$579
This CheapOair deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:57 pm
BUF
- PSE
1 stop13h 45m
Frontier
Wed 7/811:42 am
PSE
- BUF
1 stop7h 24m
Frontier
Deal found 5/17![Frontier logo]()
$424
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/189:02 pm
BUF
- PSE
1 stop12h 40m
Frontier
Mon 6/2910:27 am
PSE
- BUF
1 stop8h 45m
Frontier
Deal found 5/18![Frontier logo]()
$426
This Priceline deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:57 pm
BUF
- SJU
1 stop11h 58m
Frontier
Sun 6/216:00 am
SJU
- BUF
1 stop13h 12m
Frontier
Deal found 5/13![Frontier logo]()
$426
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:04 pm
BUF
- BQN
2 stops29h 05m
United Airlines
Sun 8/912:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 5/18![United Airlines logo]()
$707
This CheapOair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:50 am
BUF
- BQN
1 stop11h 21m
JetBlue
Fri 8/75:01 am
BQN
- BUF
1 stop13h 57m
JetBlue
Deal found 5/15![JetBlue logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:02 pm
BUF
- BQN
1 stop29h 03m
Frontier
Thu 8/202:59 am
BQN
- BUF
2 stops10h 56m
Frontier
Deal found 5/15![Frontier logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am
BUF
- CPX
2 stops10h 51m
United Airlines
Sun 9/2710:48 am
CPX
- BUF
2 stops23h 10m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,708
Last-minute flights from Buffalo to Puerto RicoDiscover last-minute flight deals from Buffalo to Puerto Rico. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Puerto Rico. Data last updated May 18, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Mon 6/16:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 5/15![JetBlue logo]()
$340
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Sat 6/65:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 5/18![JetBlue logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:52 pm
BUF
- BQN
1 stop30h 10m
Frontier
Mon 6/83:00 am
BQN
- BUF
1 stop16h 12m
Frontier
Deal found 5/13![Frontier logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:49 pm
BUF
- BQN
2 stops11h 13m
Frontier
Mon 6/83:00 am
BQN
- BUF
1 stop16h 12m
Frontier
Deal found 5/13![Frontier logo]()
$372
This Frontier deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Mon 6/810:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 5/14![Frontier logo]()
$371
This Cheapflightsfares deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Sat 6/136:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/16![JetBlue logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Thu 6/1112:20 pm
SJU
- BUF
1 stop10h 12m
JetBlue
Deal found 5/18![JetBlue logo]()
$322
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Tue 6/910:27 am
PSE
- BUF
1 stop8h 45m
Frontier
Deal found 5/15![Frontier logo]()
$336
This Cheapflightsfares deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 6/156:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/16![JetBlue logo]()
$310
This JetBlue deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:35 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Fri 6/196:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/15![JetBlue logo]()
$315
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Sat 6/206:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/18![JetBlue logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Mon 6/226:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 5/18![JetBlue logo]()
$335
One-way flights from Buffalo to Puerto RicoSearch for one-way flight options from Buffalo to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
Search for one-way flight options from Buffalo to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/15![JetBlue logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:50 pm
BUF
- SJU
2 stops33h 38m
Frontier
Deal found 5/14![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:57 pm
BUF
- PSE
1 stop13h 45m
Frontier
Deal found 5/13![Frontier logo]()
$148
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:53 pm
BUF
- SJU
1 stop7h 42m
Delta
Deal found 5/13![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:53 pm
BUF
- SJU
1 stop7h 59m
Delta
Deal found 5/14![Delta logo]()
$151
This SmartFares deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Deal found 5/14![JetBlue logo]()
$153
This Expedia deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:02 pm
BUF
- SJU
1 stop29h 07m
Frontier
Deal found 5/14![Frontier logo]()
$154
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:28 am
BUF
- SJU
2 stops11h 56m
American Airlines
Deal found 5/15![American Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:25 am
BUF
- SJU
1 stop6h 55m
Delta
Deal found 5/13![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:50 pm
BUF
- SJU
2 stops33h 51m
Frontier
Deal found 5/18![Frontier logo]()
$159
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 am
BUF
- SJU
1 stop6h 33m
Delta
Deal found 5/14![Delta logo]()
$161
This Frontier deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:05 pm
BUF
- SJU
1 stop9h 52m
Frontier
Deal found 5/18![Frontier logo]()
$162
Find flight deals from Buffalo to Puerto Rico
Keep the following information in mind while searching for Buffalo to Puerto Rico flight deals. Data was last updated May 18, 2026.
Round-trip from | $296 (Priceline) |
|---|---|
One-way from | $130 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $328 |
Good round-trip deal | $360 or less |
Good one-way deal | $142 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Puerto Rico 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 May 18, 2026.
Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 9/11
6:00 am-12:54 pm
1 stop6h 54m
San Juan Luis Munoz Marin Intl
Fri 9/18
1:25 pm-11:45 pm
2 stops10h 20m
$302
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 7/27
7:00 am-4:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Mon 8/3
2:11 pm-11:58 pm
1 stop9h 47m
$312
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 6/12
7:35 am-12:08 pm
Nonstop4h 33m
San Juan Luis Munoz Marin Intl
Fri 6/19
3:24 pm-12:13 am
1 stop8h 49m
$352
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Fri 7/10
7:57 pm-9:46 am
1 stop13h 49m
Ponce Mercedita
Mon 7/13
10:31 am-7:06 pm
1 stop8h 35m
$355
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 8/10
10:00 am-4:33 pm
1 stop6h 33m
San Juan Luis Munoz Marin Intl
Thu 8/20
6:48 am-3:06 pm
1 stop8h 18m
$359
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Wed 8/19
7:52 pm-9:52 am
1 stop14h 00m
Ponce Mercedita
Wed 8/26
10:37 am-7:07 pm
1 stop8h 30m
$360
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Fri 6/5
7:52 pm-9:07 am
1 stop13h 15m
Ponce Mercedita
Mon 6/8
10:02 am-6:59 pm
1 stop8h 57m
$371
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Fri 5/29
7:52 pm-9:07 am
1 stop13h 15m
Ponce Mercedita
Tue 6/2
10:02 am-6:59 pm
1 stop8h 57m
$376
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Sat 6/6
7:52 pm-9:07 am
1 stop13h 15m
Ponce Mercedita
Tue 6/9
10:27 am-7:12 pm
1 stop8h 45m
$376
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 8/22
7:00 am-11:33 am
Nonstop4h 33m
San Juan Luis Munoz Marin Intl
Wed 8/26
6:20 pm-10:58 pm
Nonstop4h 38m
$385
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from Buffalo to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Buffalo with our price prediction graph.
BUF-SJU
BUF-PSE
BUF-BQN
BUF-CPX
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 Puerto Rico
BUF-PR0
BUF-SJU
BUF-PSE
BUF-BQN
BUF-CPX
How far ahead should I book a flight from Buffalo to Puerto Rico?
To ensure you get the cheapest price possible for a flight from Buffalo to Puerto Rico, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Buffalo to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $66). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of $200). 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 PR?
Find hourly flight availability from Buffalo to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 18, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Puerto Rico as you normally would.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated May 18, 2026.
See what other customers who have flown with Southwest,Delta, andJetBlue from Buffalo to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Puerto Rico. 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 Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Puerto Rico by cabin class
Find flights from Buffalo to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Puerto Rico flights
Browse other Buffalo and Puerto Rico flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Buffalo to Puerto Rico flights
Consider these flights traveling from Buffalo to Puerto Rico.
Top 6 airlines flying from Buffalo to Puerto Rico
Discover the top 6 airlines that operate flights from Buffalo to Puerto Rico. 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$273 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$486 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$500 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$408 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$437 | FlexibilityNo cancel fee | On-time71% |