$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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jul 10 — Jul 171
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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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 June 10, 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 June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/26:50 am
BUF
- SJU
1 stop8h 01m
American Airlines
Mon 9/2810:16 am
SJU
- BUF
2 stops13h 38m
American Airlines
Deal found 6/9![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/96:00 am
BUF
- SJU
2 stops9h 40m
American Airlines
Thu 10/83:50 pm
SJU
- BUF
1 stop8h 21m
American Airlines
Deal found 6/8![American Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:50 am
BUF
- SJU
1 stop9h 10m
United Airlines
Tue 10/271:05 am
SJU
- BUF
1 stop9h 21m
United Airlines
Deal found 6/9![United Airlines logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Wed 6/247:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Sat 7/186:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/6![JetBlue logo]()
$310
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 9/136:27 am
BUF
- SJU
1 stop8h 40m
American Airlines
Wed 9/166:27 am
SJU
- BUF
2 stops11h 01m
American Airlines
Deal found 6/8![American Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/196:00 am
BUF
- SJU
1 stop16h 24m
American Airlines
Wed 9/210:33 am
SJU
- BUF
2 stops13h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/36:50 am
BUF
- SJU
1 stop17h 09m
American Airlines
Wed 9/306:27 am
SJU
- BUF
2 stops11h 01m
American Airlines
Deal found 6/9![American Airlines logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/77:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Fri 8/146:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/10![JetBlue logo]()
$320
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Mon 9/286:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/9![JetBlue logo]()
$325
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 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 6/8![JetBlue logo]()
$330
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:57 pm
BUF
- PSE
1 stop13h 09m
Frontier
Wed 8/510:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 6/8![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:05 pm
BUF
- PSE
1 stop11h 47m
Frontier
Wed 8/2610:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 6/5![Frontier logo]()
$350
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 June 10, 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 June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:10 pm
BUF
- SJU
1 stop8h 00m
Southwest
Tue 10/135:35 am
SJU
- BUF
2 stops9h 15m
Southwest
Deal found 6/8![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:05 am
BUF
- SJU
1 stop10h 33m
Delta
Sat 9/123:10 pm
SJU
- BUF
1 stop7h 53m
Delta
Deal found 6/7![Delta logo]()
$334
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:05 pm
BUF
- PSE
1 stop11h 47m
Frontier
Wed 8/2610:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 6/5![Frontier logo]()
$350
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
BUF
- SJU
1 stop7h 44m
United Airlines
Tue 9/221:00 am
SJU
- BUF
2 stops12h 18m
United Airlines
Deal found 6/9![United Airlines logo]()
$350
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Fri 7/36:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/9![JetBlue logo]()
$355
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:15 am
BUF
- PSE
2 stops14h 44m
Multiple Airlines
Sun 8/3010:37 am
PSE
- BUF
1 stop8h 30m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 6/6. 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.
Fri 10/233:10 pm
BUF
- SJU
1 stop8h 00m
Southwest
Sun 11/16:35 am
SJU
- BUF
1 stop8h 50m
Southwest
Deal found 6/6![Southwest logo]()
$348
This JetBlue deal was found by Cheapflights users on 6/7. 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.
Tue 9/226:00 am
BUF
- SJU
1 stop7h 34m
JetBlue
Wed 9/236:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/7![JetBlue logo]()
$371
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sat 9/57:50 am
BUF
- SJU
2 stops10h 25m
Southwest
Thu 9/1010:00 am
SJU
- BUF
2 stops8h 25m
Southwest
Deal found 6/6![Southwest logo]()
$355
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:09 pm
BUF
- PSE
1 stop12h 37m
Frontier
Thu 8/2010:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 6/7![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:40 am
BUF
- PSE
2 stops17h 19m
JetBlue
Tue 8/45:01 am
PSE
- BUF
2 stops13h 24m
JetBlue
Deal found 6/8![JetBlue logo]()
$373
This Southwest deal was found by Cheapflights users on 6/5. 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.
Mon 10/1912:25 pm
BUF
- SJU
2 stops9h 55m
Southwest
Fri 10/236:00 am
SJU
- BUF
2 stops9h 20m
Southwest
Deal found 6/5![Southwest logo]()
$359
This Frontier deal was found by Cheapflights users on 6/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:05 pm
BUF
- PSE
1 stop11h 47m
Frontier
Thu 9/109:58 am
PSE
- BUF
1 stop7h 36m
Frontier
Deal found 6/6![Frontier logo]()
$416
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:10 pm
BUF
- SJU
2 stops10h 40m
Southwest
Fri 10/96:30 am
SJU
- BUF
2 stops8h 50m
Southwest
Deal found 6/8![Southwest logo]()
$366
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/99:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Wed 7/1510:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 6/10![Frontier logo]()
$419
This CheapOair deal was found by Cheapflights users on 6/8. 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 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 8/105:01 am
BQN
- BUF
2 stops9h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 6/7. 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.
Mon 8/103:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Sat 8/226:25 am
SJU
- BUF
1 stop10h 20m
Southwest
Deal found 6/7![Southwest logo]()
$380
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Mon 7/2010:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 6/7![Frontier logo]()
$424
This CheapOair deal was found by Cheapflights users on 6/5. 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 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 8/72:30 pm
BQN
- BUF
2 stops24h 27m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$532
This Frontier deal was found by Cheapflights users on 6/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:33 pm
BUF
- PSE
1 stop12h 08m
Frontier
Sat 8/2210:37 am
PSE
- BUF
1 stop10h 43m
Frontier
Deal found 6/7![Frontier logo]()
$440
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 10/236:00 am
BUF
- BQN
2 stops17h 09m
United Airlines
Sat 10/311:09 am
BQN
- BUF
2 stops9h 38m
United Airlines
Deal found 6/6![United Airlines logo]()
$673
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:05 pm
BUF
- PSE
1 stop11h 47m
Frontier
Wed 9/210:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 6/8![Frontier logo]()
$464
This CheapOair deal was found by Cheapflights users on 6/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:35 am
BUF
- BQN
1 stop9h 01m
Multiple Airlines
Thu 8/63:10 am
BQN
- BUF
1 stop15h 56m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$637
This JetBlue deal was found by Cheapflights users on 6/7. 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 8/87:00 am
BUF
- CPX
1 stop7h 39m
JetBlue
Sat 8/221:06 pm
CPX
- BUF
1 stop9h 52m
JetBlue
Deal found 6/7![JetBlue logo]()
$703
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:52 pm
BUF
- BQN
2 stops27h 17m
United Airlines
Sun 8/912:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 6/9![United Airlines logo]()
$778
This CheapOair deal was found by Cheapflights users on 6/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:32 pm
BUF
- BQN
2 stops23h 48m
Multiple Airlines
Sun 6/2112:19 pm
BQN
- BUF
1 stop6h 53m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 7/2810:57 am
BUF
- BQN
2 stops12h 12m
United Airlines
Sat 8/1512:15 am
BQN
- BUF
3 stops13h 01m
United Airlines
Deal found 6/8![United Airlines logo]()
$783
This JetBlue deal was found by Cheapflights users on 6/7. 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.
Mon 8/107:00 am
BUF
- VQS
1 stop7h 25m
JetBlue
Wed 8/191:51 pm
VQS
- BUF
1 stop9h 07m
JetBlue
Deal found 6/7![JetBlue logo]()
$718
This JetBlue deal was found by Cheapflights users on 6/7. 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 8/87:00 am
BUF
- VQS
1 stop7h 58m
JetBlue
Wed 8/191:51 pm
VQS
- BUF
1 stop9h 07m
JetBlue
Deal found 6/7![JetBlue logo]()
$718
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:34 am
BUF
- BQN
2 stops12h 35m
United Airlines
Thu 8/612:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 6/9![United Airlines logo]()
$874
Last-minute flights from Buffalo to Puerto RicoDiscover last-minute flight deals from Buffalo to Puerto Rico. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Puerto Rico. Data last updated June 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 6/96:00 am
BUF
- SJU
1 stop7h 45m
United Airlines
Tue 6/167:20 am
SJU
- BUF
2 stops13h 43m
United Airlines
Deal found 6/6![United Airlines logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 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 6/8![JetBlue logo]()
$330
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Fri 6/266:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/8![JetBlue logo]()
$335
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 6/227:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Mon 6/296:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/7![JetBlue logo]()
$331
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:00 am
BUF
- SJU
Nonstop4h 43m
Multiple Airlines
Thu 6/259:24 am
SJU
- BUF
1 stop9h 48m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Wed 6/247:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Sat 7/186:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/6![JetBlue logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Wed 6/247:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Sat 7/45:01 am
SJU
- BUF
1 stop9h 58m
JetBlue
Deal found 6/7![JetBlue logo]()
$332
This SmartFares deal was found by Cheapflights users on 6/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Mon 7/66:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/8![JetBlue logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Wed 7/296:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/9![JetBlue logo]()
$345
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:57 pm
BUF
- PSE
1 stop13h 09m
Frontier
Wed 8/510:32 am
PSE
- BUF
1 stop8h 34m
Frontier
Deal found 6/8![Frontier logo]()
$336
This Travelocity deal was found by Cheapflights users on 6/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:57 pm
BUF
- SJU
1 stop14h 46m
Frontier
Wed 8/128:37 pm
SJU
- BUF
1 stop19h 55m
Frontier
Deal found 6/9![Frontier logo]()
$336
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:15 am
BUF
- PSE
2 stops14h 44m
Multiple Airlines
Wed 8/510:32 am
PSE
- BUF
1 stop8h 34m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$365
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 June 10, 2026.
Search for one-way flight options from Buffalo to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Deal found 6/9![JetBlue logo]()
$137
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 8/65:00 am
BUF
- SJU
2 stops18h 59m
American Airlines
Deal found 6/8![American Airlines logo]()
$144
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/56:00 am
BUF
- SJU
2 stops17h 59m
American Airlines
Deal found 6/9![American Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/85:32 am
BUF
- SJU
2 stops18h 11m
American Airlines
Deal found 6/9![American Airlines logo]()
$150
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
BUF
- SJU
1 stop7h 53m
United Airlines
Deal found 6/9![United Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 6/8. 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 12/26:12 am
BUF
- SJU
2 stops16h 41m
American Airlines
Deal found 6/8![American Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sun 8/165:45 pm
BUF
- SJU
1 stop6h 45m
Southwest
Deal found 6/5![Southwest logo]()
$156
This SmartFares deal was found by Cheapflights users on 6/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Deal found 6/7![JetBlue logo]()
$158
This American Airlines deal was found by Cheapflights users on 6/6. 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 8/1310:26 am
BUF
- SJU
2 stops11h 29m
American Airlines
Deal found 6/6![American Airlines logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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 6/157:00 am
BUF
- SJU
Nonstop4h 43m
JetBlue
Deal found 6/7![JetBlue logo]()
$163
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:57 pm
BUF
- SJU
1 stop12h 00m
Frontier
Deal found 6/9![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:29 pm
BUF
- PSE
1 stop12h 12m
Frontier
Deal found 6/9![Frontier logo]()
$187
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 June 10, 2026.
Round-trip from | $293 (American Airlines) |
|---|---|
One-way from | $137 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $381 |
Good round-trip deal | $370 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 June 10, 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 10/9
3:10 pm-11:10 pm
1 stop8h 00m
San Juan Luis Munoz Marin Intl
Tue 10/13
5:35 am-2:50 pm
2 stops9h 15m
$312
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sun 9/6
6:05 am-4:38 pm
1 stop10h 33m
San Juan Luis Munoz Marin Intl
Sat 9/12
3:10 pm-11:03 pm
1 stop7h 53m
$334
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 10/23
3:10 pm-11:10 pm
1 stop8h 00m
San Juan Luis Munoz Marin Intl
Sun 11/1
6:35 am-2:25 pm
1 stop8h 50m
$348
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Sat 8/22
10:05 pm-9:52 am
1 stop11h 47m
Ponce Mercedita
Wed 8/26
10:37 am-7:07 pm
1 stop8h 30m
$350
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Tue 9/22
7:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Tue 9/22
1:00 am-1:18 pm
2 stops12h 18m
$350
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 6/29
7:00 am-11:43 am
Nonstop4h 43m
San Juan Luis Munoz Marin Intl
Fri 7/3
6:20 pm-10:58 pm
Nonstop4h 38m
$355
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 9/5
7:50 am-6:15 pm
2 stops10h 25m
San Juan Luis Munoz Marin Intl
Thu 9/10
10:00 am-6:25 pm
2 stops8h 25m
$355
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 10/19
12:25 pm-10:20 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Fri 10/23
6:00 am-3:20 pm
2 stops9h 20m
$359
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 10/3
1:10 pm-11:50 pm
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Fri 10/9
6:30 am-3:20 pm
2 stops8h 50m
$366
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Tue 9/22
6:00 am-1:34 pm
1 stop7h 34m
San Juan Luis Munoz Marin Intl
Wed 9/23
6:15 pm-10:53 pm
Nonstop4h 38m
$371
Showing 1-10 of 50 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
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-PSE
BUF-BQN
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 June is currently the most expensive (average of $211). 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 June 10, 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 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.
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 June 10, 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.
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
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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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$290 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$489 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$490 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$397 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$454 | FlexibilityNo cancel fee | On-time71% |