$137+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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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
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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 Puerto Rico
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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 July 4, 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 July 4, 2026.
This Flysmarter deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/146:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/30![JetBlue logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/226:29 pm
BUF
- SJU
1 stop18h 47m
Frontier
Fri 10/24:39 pm
SJU
- BUF
2 stops19h 42m
Frontier
Deal found 7/2![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/296:29 pm
BUF
- SJU
1 stop7h 21m
Frontier
Mon 10/59:05 pm
SJU
- BUF
2 stops15h 16m
Frontier
Deal found 7/2![Frontier logo]()
$304
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/176:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Mon 8/246:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/2![JetBlue logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/156:29 pm
BUF
- SJU
1 stop7h 21m
Frontier
Sun 9/204:39 pm
SJU
- BUF
2 stops43h 42m
Frontier
Deal found 7/1![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/226:29 pm
BUF
- SJU
1 stop18h 47m
Frontier
Wed 9/304:39 pm
SJU
- BUF
2 stops19h 42m
Frontier
Deal found 7/2![Frontier logo]()
$311
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/2610:30 am
BUF
- SJU
2 stops13h 20m
United Airlines
Sat 8/294:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/1![United Airlines logo]()
$314
This SmartFares deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/57:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 8/106:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/29![JetBlue logo]()
$315
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/193:53 pm
BUF
- SJU
1 stop7h 59m
Delta
Wed 9/27:00 am
SJU
- BUF
1 stop9h 05m
Delta
Deal found 7/1![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/133:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Wed 8/196:00 am
SJU
- BUF
1 stop8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:03 pm
BUF
- SJU
1 stop9h 21m
American Airlines
Wed 9/97:00 am
SJU
- BUF
2 stops13h 56m
American Airlines
Deal found 7/1![American Airlines logo]()
$322
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Wed 8/197:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 9/25:01 am
SJU
- BUF
1 stop9h 58m
JetBlue
Deal found 7/2![JetBlue logo]()
$323
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 July 4, 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 July 4, 2026.
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/156:50 am
BUF
- SJU
1 stop6h 45m
Southwest
Sun 9/205:30 am
SJU
- BUF
1 stop12h 00m
Southwest
Deal found 7/3![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 stop10h 44m
Delta
Thu 9/172:59 pm
SJU
- BUF
1 stop8h 55m
Delta
Deal found 7/3![Delta logo]()
$316
This CheapOair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/127:57 pm
BUF
- BQN
1 stop15h 07m
Frontier
Tue 9/1510:52 am
BQN
- BUF
1 stop6h 42m
Frontier
Deal found 7/1![Frontier logo]()
$366
This CheapOair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/37:57 pm
BUF
- BQN
1 stop15h 07m
Multiple Airlines
Tue 9/85:01 am
BQN
- BUF
1 stop13h 57m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/36:04 pm
BUF
- BQN
2 stops29h 05m
United Airlines
Mon 9/712:15 am
BQN
- BUF
2 stops13h 03m
United Airlines
Deal found 6/30![United Airlines logo]()
$617
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:45 pm
BUF
- PSE
1 stop29h 14m
JetBlue
Mon 12/216:01 am
PSE
- BUF
1 stop11h 11m
JetBlue
Deal found 7/4![JetBlue logo]()
$628
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 stop10h 44m
Delta
Mon 9/141:16 pm
SJU
- BUF
1 stop10h 56m
Delta
Deal found 7/2![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 11/139:55 am
BUF
- SJU
1 stop6h 25m
Delta
Tue 11/177:15 am
SJU
- BUF
1 stop9h 21m
Delta
Deal found 7/3![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm
BUF
- SJU
2 stops9h 30m
Southwest
Tue 10/135:50 am
SJU
- BUF
1 stop6h 15m
Southwest
Deal found 7/3![Southwest logo]()
$363
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Sat 8/810:32 am
PSE
- BUF
1 stop10h 35m
Frontier
Deal found 7/1![Frontier logo]()
$370
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 6/30![Delta logo]()
$316
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/2510:02 pm
BUF
- PSE
1 stop11h 04m
Frontier
Fri 7/3110:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 7/3![Frontier logo]()
$370
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 6/30![Delta logo]()
$316
This CheapOair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/289:09 pm
BUF
- BQN
1 stop29h 01m
Multiple Airlines
Thu 9/38:05 pm
BQN
- BUF
1 stop11h 47m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$433
This CheapOair deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/289:09 pm
BUF
- BQN
1 stop29h 01m
Frontier
Tue 9/13:10 am
BQN
- BUF
1 stop14h 59m
Frontier
Deal found 7/2![Frontier logo]()
$372
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:05 am
BUF
- SJU
1 stop10h 33m
Delta
Mon 9/147:30 am
SJU
- BUF
1 stop7h 35m
Delta
Deal found 7/2![Delta logo]()
$316
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/247:57 pm
BUF
- PSE
1 stop13h 49m
Frontier
Fri 7/3110:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 7/3![Frontier logo]()
$376
This CheapOair deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/126:00 am
BUF
- BQN
3 stops12h 03m
Multiple Airlines
Tue 9/1510:52 am
BQN
- BUF
1 stop6h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$462
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 Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Fri 8/710:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 7/1![Frontier logo]()
$376
This Priceline deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:02 pm
BUF
- PSE
1 stop11h 04m
Multiple Airlines
Wed 7/225:01 am
PSE
- BUF
2 stops19h 12m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/313:53 pm
BUF
- SJU
1 stop7h 59m
Delta
Wed 9/27:30 am
SJU
- BUF
1 stop7h 43m
Delta
Deal found 7/1![Delta logo]()
$334
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Fri 7/3110:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 7/3![Frontier logo]()
$376
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/219:09 pm
BUF
- PSE
1 stop12h 37m
Frontier
Fri 7/3110:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 7/3![Frontier logo]()
$396
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/177:00 am
BUF
- SJU
1 stop9h 33m
Delta
Mon 8/241:19 pm
SJU
- BUF
1 stop11h 21m
Delta
Deal found 6/30![Delta logo]()
$360
This Priceline deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/157:57 pm
BUF
- BQN
1 stop15h 07m
Multiple Airlines
Wed 7/225:01 am
BQN
- BUF
2 stops19h 12m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$541
This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/247:00 am
BUF
- CPX
1 stop7h 39m
JetBlue
Fri 7/311:06 pm
CPX
- BUF
1 stop10h 01m
JetBlue
Deal found 7/3![JetBlue logo]()
$748
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/247:57 pm
BUF
- PSE
1 stop13h 49m
Frontier
Sat 8/110:32 am
PSE
- BUF
1 stop10h 35m
Frontier
Deal found 7/3![Frontier logo]()
$420
This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/206:00 am
BUF
- VQS
1 stop8h 25m
JetBlue
Fri 7/311:51 pm
VQS
- BUF
1 stop9h 16m
JetBlue
Deal found 7/3![JetBlue logo]()
$768
This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/257:00 am
BUF
- CPX
1 stop7h 39m
JetBlue
Fri 7/313:05 pm
CPX
- BUF
1 stop8h 02m
JetBlue
Deal found 7/3![JetBlue logo]()
$778
Last-minute flights from Buffalo to Puerto RicoDiscover last-minute flight deals from Buffalo to Puerto Rico. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Puerto Rico. Data last updated July 4, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Wed 7/226:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/1![JetBlue logo]()
$330
This SmartFares deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/57:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 8/106:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/29![JetBlue logo]()
$315
This Flysmarter deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Fri 8/146:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/30![JetBlue logo]()
$301
This Cheapflightsfares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 6/30![JetBlue logo]()
$322
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:57 pm
BUF
- BQN
1 stop15h 07m
Frontier
Tue 9/1510:52 am
BQN
- BUF
1 stop6h 42m
Frontier
Deal found 7/4![Frontier logo]()
$362
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/133:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Wed 8/196:00 am
SJU
- BUF
1 stop8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$318
This JetBlue deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/176:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Mon 8/316:27 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/1![JetBlue logo]()
$305
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/193:53 pm
BUF
- SJU
1 stop7h 59m
Delta
Wed 9/27:00 am
SJU
- BUF
1 stop9h 05m
Delta
Deal found 7/1![Delta logo]()
$316
This Cheapflightsfares deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Wed 8/197:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 9/25:01 am
SJU
- BUF
1 stop9h 58m
JetBlue
Deal found 7/2![JetBlue logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/196:00 am
BUF
- SJU
2 stops10h 11m
American Airlines
Wed 9/21:38 pm
SJU
- BUF
2 stops9h 58m
American Airlines
Deal found 7/1![American Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/2610:30 am
BUF
- SJU
2 stops13h 20m
United Airlines
Sat 8/294:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/1![United Airlines logo]()
$314
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/26:19 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 7/2![JetBlue logo]()
$325
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 July 4, 2026.
Search for one-way flight options from Buffalo to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 10/21:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 7/1![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/251:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 6/30![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:28 pm
BUF
- SJU
2 stops12h 13m
Frontier
Deal found 7/1![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 9/231:16 pm
BUF
- SJU
2 stops34h 41m
Frontier
Deal found 6/29![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Deal found 7/1![Frontier logo]()
$146
This SmartFares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/176:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Deal found 6/30![JetBlue logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/1811:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Deal found 6/29![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 stops13h 12m
Frontier
Deal found 7/3![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:28 pm
BUF
- SJU
2 stops12h 13m
Frontier
Deal found 6/29![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/72:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Deal found 6/30![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/242:48 pm
BUF
- SJU
2 stops33h 53m
Frontier
Deal found 6/29![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/289:09 pm
BUF
- PSE
1 stop12h 37m
Frontier
Deal found 7/3![Frontier logo]()
$168
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 July 4, 2026.
Round-trip from | $301 (Flysmarter) |
|---|---|
One-way from | $137 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $417 |
Good round-trip deal | $345 or less |
Good one-way deal | $158 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 July 4, 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
Tue 9/15
6:50 am-1:35 pm
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Sun 9/20
5:30 am-5:30 pm
1 stop12h 00m
$314
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 9/11
6:05 am-4:49 pm
1 stop10h 44m
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 9/11
6:05 am-4:49 pm
1 stop10h 44m
San Juan Luis Munoz Marin Intl
Mon 9/14
1:16 pm-12:12 am
1 stop10h 56m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 11/13
9:55 am-5:20 pm
1 stop6h 25m
San Juan Luis Munoz Marin Intl
Tue 11/17
7:15 am-3:36 pm
1 stop9h 21m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 9/9
6:05 am-4:49 pm
1 stop10h 44m
San Juan Luis Munoz Marin Intl
Sun 9/13
7:30 am-3:05 pm
1 stop7h 35m
$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
Mon 8/31
7:30 am-3:13 pm
1 stop7h 43m
$316
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 9/6
6:05 am-4:38 pm
1 stop10h 33m
San Juan Luis Munoz Marin Intl
Mon 9/14
7:30 am-3:05 pm
1 stop7h 35m
$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
Mon 8/31
3:53 pm-11:52 pm
1 stop7h 59m
San Juan Luis Munoz Marin Intl
Wed 9/2
7:30 am-3:13 pm
1 stop7h 43m
$334
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 8/17
7:00 am-4:33 pm
1 stop9h 33m
San Juan Luis Munoz Marin Intl
Mon 8/24
1:19 pm-12:40 am
1 stop11h 21m
$360
Showing 1-10 of 59 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-BQN
BUF-PSE
BUF-CPX
BUF-VQS
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-BQN
BUF-PSE
BUF-CPX
What is the cheapest month to book a flight from Buffalo to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $93). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of $240). 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 July 4, 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.
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 87 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.
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 July 4, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Puerto Rico. 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 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 July 4, 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 July 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$293 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$481 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$393 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$444 | FlexibilityNo cancel fee | On-time71% |