$106+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
May 12 — May 191
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 April 12, 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 April 12, 2026.
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia 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
Sat 6/610:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 4/7![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/162:47 pm
BUF
- SJU
1 stop11h 21m
Frontier
Sun 5/249:00 am
SJU
- BUF
1 stop11h 04m
Frontier
Deal found 4/11![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 4/8. 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.
Sat 5/307:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Mon 6/86:09 pm
SJU
- BUF
1 stop24h 58m
Frontier
Deal found 4/8![Frontier logo]()
$231
This Priceline deal was found by Cheapflights users on 4/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
BUF
- SJU
1 stop27h 22m
Frontier
Mon 4/276:30 am
SJU
- BUF
1 stop12h 56m
Frontier
Deal found 4/10![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 4/8. 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 5/411:19 am
BUF
- SJU
1 stop14h 42m
Multiple Airlines
Fri 5/87:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$236
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:21 pm
BUF
- SJU
1 stop20h 22m
Multiple Airlines
Sat 5/97:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/8. 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 6/17:52 pm
BUF
- SJU
1 stop27h 30m
Frontier
Sat 6/63:58 pm
SJU
- BUF
1 stop27h 01m
Frontier
Deal found 4/8![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 4/117:31 pm
BUF
- BQN
1 stop24h 11m
Frontier
Sun 4/262:38 am
BQN
- BUF
1 stop16h 48m
Frontier
Deal found 4/11![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/28:00 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Sun 5/107:00 am
SJU
- BUF
1 stop13h 04m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/8. 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 5/411:19 am
BUF
- BQN
1 stop14h 24m
Frontier
Fri 5/82:59 am
BQN
- BUF
1 stop10h 53m
Frontier
Deal found 4/8![Frontier logo]()
$242
This Priceline deal was found by Cheapflights users on 4/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:02 pm
BUF
- SJU
1 stop16h 14m
Frontier
Wed 6/106:05 pm
SJU
- BUF
1 stop25h 07m
Frontier
Deal found 4/10![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 4/8. 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 5/307:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Thu 6/188:00 am
SJU
- BUF
1 stop12h 12m
Frontier
Deal found 4/8![Frontier logo]()
$244
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 April 12, 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 April 12, 2026.
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia 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
Sat 6/610:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 4/7![Frontier logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/411:02 am
BUF
- SJU
1 stop9h 32m
United Airlines
Wed 5/61:25 pm
SJU
- BUF
2 stops10h 30m
United Airlines
Deal found 4/11![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:32 pm
BUF
- SJU
1 stop8h 27m
Delta
Wed 5/62:03 pm
SJU
- BUF
1 stop8h 36m
Delta
Deal found 4/11![Delta logo]()
$274
This Southwest deal was found by Cheapflights users on 4/8. 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.
Wed 5/611:55 am
BUF
- SJU
1 stop9h 10m
Southwest
Fri 5/155:35 am
SJU
- BUF
1 stop11h 05m
Southwest
Deal found 4/8![Southwest logo]()
$294
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline 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
Multiple Airlines
Sat 6/65:05 am
PSE
- BUF
2 stops27h 53m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$432
This CheapOair deal was found by Cheapflights users on 4/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:57 pm
BUF
- PSE
1 stop12h 55m
Frontier
Tue 6/1610:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 4/7![Frontier logo]()
$256
This JetBlue deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
BUF
- BQN
1 stop7h 23m
JetBlue
Wed 5/132:25 pm
BQN
- BUF
1 stop6h 33m
JetBlue
Deal found 4/11![JetBlue logo]()
$542
This United Airlines deal was found by Cheapflights users on 4/9. 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 4/296:00 am
BUF
- SJU
1 stop7h 45m
United Airlines
Sat 5/27:20 am
SJU
- BUF
2 stops13h 41m
United Airlines
Deal found 4/9![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 4/7. 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.
Wed 5/66:05 am
BUF
- SJU
1 stop6h 47m
Delta
Fri 5/156:15 am
SJU
- BUF
1 stop9h 35m
Delta
Deal found 4/7![Delta logo]()
$276
This Expedia deal was found by Cheapflights users on 4/9. 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.
Thu 7/98:57 pm
BUF
- PSE
1 stop12h 55m
Frontier
Mon 7/1310:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 4/9![Frontier logo]()
$276
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:05 am
BUF
- SJU
1 stop6h 47m
Delta
Thu 5/147:30 am
SJU
- BUF
1 stop11h 14m
Delta
Deal found 4/11![Delta logo]()
$304
This Frontier deal was found by Cheapflights users on 4/7. 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 5/178:49 pm
BUF
- PSE
1 stop12h 13m
Frontier
Sat 5/2310:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 4/7![Frontier logo]()
$321
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sun 4/266:09 am
BUF
- SJU
1 stop6h 25m
United Airlines
Wed 4/291:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 4/9![United Airlines logo]()
$364
This CheapOair deal was found by Cheapflights users on 4/7. 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 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 7/810:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 4/7![Frontier logo]()
$328
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:02 am
BUF
- SJU
2 stops10h 22m
United Airlines
Tue 5/51:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 4/10![United Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:31 pm
BUF
- PSE
1 stop13h 36m
Multiple Airlines
Mon 5/189:47 am
PSE
- BUF
2 stops24h 54m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$465
This CheapOair deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 stops33h 02m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$488
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:19 am
BUF
- PSE
1 stop23h 17m
Frontier
Mon 5/411:31 am
PSE
- BUF
1 stop7h 55m
Frontier
Deal found 4/10![Frontier logo]()
$407
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:14 am
BUF
- BQN
1 stop6h 06m
Multiple Airlines
Thu 8/62:59 am
BQN
- BUF
1 stop16h 08m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$494
This KAYAK deal was found by Cheapflights users on 4/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:20 am
BUF
- CPX
1 stop5h 25m
JetBlue
Wed 4/294:33 pm
CPX
- BUF
1 stop7h 15m
JetBlue
Deal found 4/8![JetBlue logo]()
$616
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:02 pm
BUF
- BQN
1 stop29h 03m
Frontier
Thu 8/62:59 am
BQN
- BUF
1 stop16h 08m
Frontier
Deal found 4/10![Frontier logo]()
$428
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:55 am
BUF
- BQN
2 stops12h 14m
United Airlines
Mon 5/412:15 am
BQN
- BUF
2 stops9h 38m
United Airlines
Deal found 4/10![United Airlines logo]()
$606
This Expedia deal was found by Cheapflights users on 4/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:31 pm
BUF
- PSE
1 stop13h 36m
Frontier
Mon 5/189:47 am
PSE
- BUF
1 stop8h 59m
Frontier
Deal found 4/10![Frontier logo]()
$457
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 6/1210:40 am
BUF
- BQN
2 stops12h 29m
United Airlines
Thu 6/1812:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 4/9![United Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:02 am
BUF
- BQN
2 stops12h 07m
United Airlines
Sat 5/912:15 am
BQN
- BUF
2 stops9h 38m
United Airlines
Deal found 4/7![United Airlines logo]()
$675
This United Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 6/235:52 pm
BUF
- BQN
2 stops29h 17m
United Airlines
Thu 8/612:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 4/11![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:57 am
BUF
- BQN
2 stops12h 12m
United Airlines
Thu 8/612:15 am
BQN
- BUF
2 stops9h 36m
United Airlines
Deal found 4/10![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:50 am
BUF
- BQN
2 stops12h 19m
United Airlines
Wed 4/2912:15 am
BQN
- BUF
2 stops9h 38m
United Airlines
Deal found 4/11![United Airlines logo]()
$698
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 4/257:45 pm
BUF
- CPX
2 stops44h 28m
United Airlines
Wed 4/2910:30 am
CPX
- BUF
2 stops13h 22m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,711
Last-minute flights from Buffalo to Puerto RicoDiscover last-minute flight deals from Buffalo to Puerto Rico. Data last updated April 12, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Puerto Rico. Data last updated April 12, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 4/117:31 pm
BUF
- BQN
1 stop24h 11m
Frontier
Sun 4/262:38 am
BQN
- BUF
1 stop16h 48m
Frontier
Deal found 4/11![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 4/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:21 pm
BUF
- SJU
1 stop27h 22m
Frontier
Mon 4/276:30 am
SJU
- BUF
1 stop12h 56m
Frontier
Deal found 4/10![Frontier logo]()
$233
This Priceline deal was found by Cheapflights users on 4/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:18 pm
BUF
- SJU
1 stop27h 25m
Multiple Airlines
Mon 5/117:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$247
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/28:00 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Sun 5/107:00 am
SJU
- BUF
1 stop13h 04m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$241
This CheapOair deal was found by Cheapflights users on 4/8. 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 5/411:19 am
BUF
- SJU
1 stop14h 42m
Multiple Airlines
Fri 5/87:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$236
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:21 pm
BUF
- SJU
1 stop20h 22m
Multiple Airlines
Sat 5/97:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 4/8. 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 5/411:19 am
BUF
- BQN
1 stop14h 24m
Frontier
Fri 5/82:59 am
BQN
- BUF
1 stop10h 53m
Frontier
Deal found 4/8![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:41 pm
BUF
- SJU
1 stop6h 27m
Multiple Airlines
Wed 5/137:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$246
This Priceline deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/162:47 pm
BUF
- SJU
1 stop11h 21m
Frontier
Sun 5/249:00 am
SJU
- BUF
1 stop11h 04m
Frontier
Deal found 4/11![Frontier logo]()
$229
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia 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
Sat 6/610:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 4/7![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 4/8. 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.
Sat 5/307:52 pm
BUF
- SJU
1 stop12h 12m
Frontier
Mon 6/86:09 pm
SJU
- BUF
1 stop24h 58m
Frontier
Deal found 4/8![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 4/8. 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 5/307:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Thu 6/188:00 am
SJU
- BUF
1 stop12h 12m
Frontier
Deal found 4/8![Frontier logo]()
$244
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 April 12, 2026.
Search for one-way flight options from Buffalo to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 12, 2026.
This CheapOair deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/277:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Deal found 4/11![Frontier logo]()
$106
This Travelocity deal was found by Cheapflights users on 4/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:02 am
BUF
- SJU
1 stop11h 46m
Frontier
Deal found 4/7![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 4/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:19 am
BUF
- PSE
1 stop23h 12m
Frontier
Deal found 4/9![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/112:49 pm
BUF
- SJU
2 stops26h 37m
Frontier
Deal found 4/11![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 4/8. 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 5/237:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Deal found 4/8![Frontier logo]()
$123
This CheapOair deal was found by Cheapflights users on 4/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:49 pm
BUF
- SJU
1 stop29h 19m
Frontier
Deal found 4/7![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:05 pm
BUF
- SJU
2 stops28h 54m
Frontier
Deal found 4/7![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:50 pm
BUF
- SJU
2 stops37h 07m
Frontier
Deal found 4/10![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:41 pm
BUF
- SJU
2 stops13h 27m
Frontier
Deal found 4/8![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:52 am
BUF
- SJU
1 stop15h 09m
Frontier
Deal found 4/10![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:35 pm
BUF
- SJU
2 stops36h 23m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:50 pm
BUF
- SJU
2 stops17h 19m
Frontier
Deal found 4/9![Frontier logo]()
$136
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 April 12, 2026.
Round-trip from | $212 (Expedia) |
|---|---|
One-way from | $106 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $371 |
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 April 12, 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
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Fri 5/29
7:52 pm-9:07 am
1 stop13h 15m
Ponce Mercedita
Sat 6/6
10:02 am-6:59 pm
1 stop8h 57m
$212
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Tue 6/9
8:57 pm-9:52 am
1 stop12h 55m
Ponce Mercedita
Tue 6/16
10:37 am-7:07 pm
1 stop8h 30m
$256
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 5/4
11:02 am-8:34 pm
1 stop9h 32m
San Juan Luis Munoz Marin Intl
Wed 5/6
1:25 pm-11:55 pm
2 stops10h 30m
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/2
3:32 pm-11:59 pm
1 stop8h 27m
San Juan Luis Munoz Marin Intl
Wed 5/6
2:03 pm-10:39 pm
1 stop8h 36m
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 4/29
6:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Sat 5/2
7:20 am-9:01 pm
2 stops13h 41m
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
6:05 am-12:52 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Fri 5/15
6:15 am-3:50 pm
1 stop9h 35m
$276
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Thu 7/9
8:57 pm-9:52 am
1 stop12h 55m
Ponce Mercedita
Mon 7/13
10:37 am-7:07 pm
1 stop8h 30m
$276
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
11:55 am-9:05 pm
1 stop9h 10m
San Juan Luis Munoz Marin Intl
Fri 5/15
5:35 am-4:40 pm
1 stop11h 05m
$294
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 5/6
6:05 am-12:52 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Thu 5/14
7:30 am-6:44 pm
1 stop11h 14m
$304
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Sun 5/17
8:49 pm-9:02 am
1 stop12h 13m
Ponce Mercedita
Sat 5/23
10:02 am-6:59 pm
1 stop8h 57m
$321
Showing 1-10 of 46 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-PSE
BUF-SJU
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-PSE
BUF-SJU
BUF-BQN
BUF-CPX
What is the cheapest month to book a flight from Buffalo to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $138). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of $262). 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 April 12, 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 April 12, 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.
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Boarding
8.1
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
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.
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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.
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 April 12, 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 April 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$265 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$492 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$459 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$422 | FlexibilityNo cancel fee | On-time71% |