$98+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
May 1 — May 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buffalo to Puerto Rico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to Puerto Rico
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Puerto RicoExplore the most affordable flight options available from Buffalo to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:49 pm
BUF
- PSE
1 stop12h 18m
Frontier
Mon 6/810:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/30![Frontier logo]()
$212
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia 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 3/30![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/92:47 pm
BUF
- PSE
1 stop18h 20m
Frontier
Sat 5/2310:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/31![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/2411:02 am
BUF
- SJU
1 stop14h 59m
Multiple Airlines
Fri 5/17:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$236
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/1710:52 am
BUF
- SJU
1 stop11h 56m
Multiple Airlines
Fri 4/246:30 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$241
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/268:18 pm
BUF
- SJU
1 stop27h 25m
Multiple Airlines
Wed 4/297:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$248
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/207:20 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Fri 4/243:08 am
SJU
- BUF
1 stop7h 41m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$249
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/257:20 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$254
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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
Wed 6/173:06 am
SJU
- BUF
1 stop16h 01m
Frontier
Deal found 3/28![Frontier logo]()
$255
This Priceline deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 7/308:57 pm
BUF
- PSE
1 stop12h 55m
Frontier
Thu 8/1310:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 3/27![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:52 pm
BUF
- SJU
1 stop21h 20m
Frontier
Mon 6/16:09 pm
SJU
- BUF
1 stop24h 50m
Frontier
Deal found 3/29![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/69:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 3/28![JetBlue logo]()
$260
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 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:49 pm
BUF
- PSE
1 stop12h 18m
Frontier
Mon 6/810:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/30![Frontier logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/96:10 am
BUF
- SJU
1 stop6h 24m
United Airlines
Tue 5/121:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 4/1![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 5/56:05 am
BUF
- SJU
1 stop6h 47m
Delta
Wed 5/62:45 pm
SJU
- BUF
1 stop8h 52m
Delta
Deal found 3/30![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/45:20 pm
BUF
- SJU
1 stop6h 20m
Southwest
Tue 5/125:35 am
SJU
- BUF
2 stops9h 00m
Southwest
Deal found 3/27![Southwest logo]()
$303
This JetBlue deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/52:28 pm
BUF
- SJU
1 stop7h 14m
JetBlue
Wed 5/67:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 3/31![JetBlue logo]()
$326
This Priceline deal was found by Cheapflights users on 4/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
BUF
- PSE
1 stop25h 49m
Multiple Airlines
Sat 5/2310:02 am
PSE
- BUF
1 stop8h 57m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$388
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/92:47 pm
BUF
- PSE
1 stop18h 20m
Frontier
Sat 5/2310:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/28![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 3/30. 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 6/98:57 pm
BUF
- PSE
1 stop12h 55m
Frontier
Tue 6/1610:37 am
PSE
- BUF
1 stop8h 30m
Frontier
Deal found 3/30![Frontier logo]()
$274
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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.
Tue 5/56:05 am
BUF
- SJU
1 stop6h 47m
Delta
Fri 5/82:48 pm
SJU
- BUF
1 stop9h 11m
Delta
Deal found 3/27![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 9/233:50 pm
BUF
- SJU
1 stop7h 54m
Delta
Wed 9/301:32 pm
SJU
- BUF
1 stop10h 24m
Delta
Deal found 3/31![Delta logo]()
$309
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair 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
Tue 5/2610:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/29![Frontier logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/196:09 am
BUF
- SJU
1 stop6h 25m
United Airlines
Sat 4/257:20 am
SJU
- BUF
2 stops13h 29m
United Airlines
Deal found 3/27![United Airlines logo]()
$355
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:56 pm
BUF
- PSE
2 stops44h 40m
Frontier
Wed 5/611:14 am
PSE
- BUF
2 stops23h 27m
Frontier
Deal found 3/30![Frontier logo]()
$292
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/52:45 pm
BUF
- SJU
1 stop6h 39m
United Airlines
Tue 5/51:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 3/28![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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
- BQN
2 stops12h 07m
United Airlines
Tue 5/512:15 am
BQN
- BUF
2 stops9h 38m
United Airlines
Deal found 3/27![United Airlines logo]()
$382
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:28 pm
BUF
- PSE
2 stops17h 21m
JetBlue
Wed 5/68:39 am
PSE
- BUF
1 stop11h 40m
JetBlue
Deal found 3/30![JetBlue logo]()
$553
This Priceline deal was found by Cheapflights users on 4/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:49 pm
BUF
- PSE
1 stop12h 13m
Frontier
Mon 5/189:47 am
PSE
- BUF
1 stop8h 59m
Frontier
Deal found 4/1![Frontier logo]()
$389
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/48:56 am
BUF
- BQN
2 stops16h 50m
Multiple Airlines
Tue 4/72:43 am
BQN
- BUF
1 stop16h 16m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$621
This Orbitz deal was found by Cheapflights users on 3/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:27 am
BUF
- BQN
2 stops15h 19m
JetBlue
Mon 5/115:01 am
BQN
- BUF
2 stops17h 31m
JetBlue
Deal found 3/29![JetBlue logo]()
$571
This United Airlines deal was found by Cheapflights users on 4/1. 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.
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 4/1![United Airlines logo]()
$531
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:49 pm
BUF
- PSE
1 stop12h 18m
Frontier
Mon 5/2510:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/30![Frontier logo]()
$446
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue 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 3/30![JetBlue logo]()
$618
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
BUF
- BQN
3 stops16h 09m
United Airlines
Sat 5/212:15 am
BQN
- BUF
2 stops9h 24m
United Airlines
Deal found 3/29![United Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Sun 6/288:57 pm
BUF
- BQN
1 stop29h 07m
Frontier
Thu 8/62:59 am
BQN
- BUF
2 stops10h 56m
Frontier
Deal found 3/28![Frontier logo]()
$560
This JetBlue deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:05 am
BUF
- VQS
1 stop9h 30m
JetBlue
Wed 8/263:18 pm
VQS
- BUF
1 stop7h 40m
JetBlue
Deal found 3/28![JetBlue logo]()
$798
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 6/307:00 am
BUF
- BQN
2 stops16h 09m
United Airlines
Thu 8/612:15 am
BQN
- BUF
2 stops23h 44m
United Airlines
Deal found 3/30![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 4/2510:50 am
BUF
- CPX
2 stops29h 23m
United Airlines
Wed 4/2910:30 am
CPX
- BUF
2 stops13h 22m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,457
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/56:04 am
BUF
- CPX
2 stops10h 09m
United Airlines
Mon 5/1110:30 am
CPX
- BUF
3 stops13h 25m
United Airlines
Deal found 3/27![United Airlines logo]()
$1,727
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 8/226:00 am
BUF
- VQS
2 stops12h 30m
United Airlines
Wed 8/2611:40 am
VQS
- BUF
2 stops11h 38m
United Airlines
Deal found 3/30![United Airlines logo]()
$1,873
Last-minute flights from Buffalo to Puerto RicoDiscover last-minute flight deals from Buffalo to Puerto Rico. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Puerto Rico. Data last updated April 1, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/11:02 pm
BUF
- SJU
1 stop11h 50m
Frontier
Fri 4/33:16 am
SJU
- BUF
1 stop7h 43m
Frontier
Deal found 3/31![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 4/1. 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.
Thu 4/21:02 pm
BUF
- SJU
1 stop11h 50m
Frontier
Tue 4/73:16 am
SJU
- BUF
1 stop7h 11m
Frontier
Deal found 4/1![Frontier logo]()
$260
This KAYAK deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Mon 4/137:10 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Wed 4/226:30 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 3/28![JetBlue logo]()
$265
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/1710:52 am
BUF
- SJU
1 stop11h 56m
Multiple Airlines
Fri 4/246:30 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$241
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/207:20 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Fri 4/243:08 am
SJU
- BUF
1 stop7h 41m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$249
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/2411:02 am
BUF
- SJU
1 stop14h 59m
Multiple Airlines
Fri 5/17:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$236
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/257:20 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$254
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/268:18 pm
BUF
- SJU
1 stop27h 25m
Multiple Airlines
Wed 4/297:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$248
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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
Wed 5/207:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$267
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:20 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Wed 5/63:33 pm
SJU
- BUF
1 stop27h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$255
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia 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 3/30![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/92:47 pm
BUF
- PSE
1 stop18h 20m
Frontier
Sat 5/2310:02 am
PSE
- BUF
1 stop8h 57m
Frontier
Deal found 3/31![Frontier logo]()
$229
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 1, 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 1, 2026.
This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/148:49 pm
BUF
- PSE
1 stop12h 13m
Frontier
Deal found 3/27![Frontier logo]()
$98
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:52 am
BUF
- SJU
1 stop11h 56m
Frontier
Deal found 3/30![Frontier logo]()
$98
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:31 pm
BUF
- BQN
1 stop6h 31m
Frontier
Deal found 3/30![Frontier logo]()
$98
This Priceline deal was found by Cheapflights users on 3/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:08 pm
BUF
- SJU
1 stop27h 35m
Frontier
Deal found 3/29![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 3/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:44 am
BUF
- SJU
1 stop14h 17m
Frontier
Deal found 3/29![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 3/29. 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 CheapOair 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
Deal found 3/29![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Mon 4/2011:19 am
BUF
- SJU
1 stop11h 29m
Frontier
Deal found 3/31![Frontier logo]()
$106
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia 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
Deal found 3/30![Frontier logo]()
$106
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:49 pm
BUF
- SJU
1 stop11h 15m
Frontier
Deal found 3/30![Frontier logo]()
$109
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:08 pm
BUF
- SJU
1 stop27h 35m
Frontier
Deal found 3/30![Frontier logo]()
$112
This Priceline deal was found by Cheapflights users on 3/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:52 pm
BUF
- PSE
1 stop13h 15m
Frontier
Deal found 3/29![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:52 pm
BUF
- SJU
1 stop6h 16m
Frontier
Deal found 3/30![Frontier logo]()
$123
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 1, 2026.
Round-trip from | $212 (Frontier) |
|---|---|
One-way from | $98 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $379 |
Good round-trip deal | $337 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 1, 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
Thu 6/4
8:49 pm-9:07 am
1 stop12h 18m
Ponce Mercedita
Mon 6/8
10:02 am-6:59 pm
1 stop8h 57m
$212
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Sat 5/9
2:47 pm-9:07 am
1 stop18h 20m
Ponce Mercedita
Sat 5/23
10:02 am-6:59 pm
1 stop8h 57m
$229
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/9
6:10 am-12:34 pm
1 stop6h 24m
San Juan Luis Munoz Marin Intl
Tue 5/12
1:00 am-9:53 am
2 stops8h 53m
$274
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
$274
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Tue 5/5
6:05 am-12:52 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Wed 5/6
2:45 pm-11:37 pm
1 stop8h 52m
$275
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Mon 5/11
7:31 pm-9:07 am
1 stop13h 36m
Ponce Mercedita
Tue 5/26
10:02 am-6:59 pm
1 stop8h 57m
$289
BuffaloPonce
BUF - PSE
BUFPSE
Buffalo
Wed 4/29
1:56 pm-10:36 am
2 stops44h 40m
Ponce Mercedita
Wed 5/6
11:14 am-10:41 am
2 stops23h 27m
$292
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 5/4
5:20 pm-11:40 pm
1 stop6h 20m
San Juan Luis Munoz Marin Intl
Tue 5/12
5:35 am-2:35 pm
2 stops9h 00m
$303
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Tue 5/5
6:05 am-12:52 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Fri 5/8
2:48 pm-11:59 pm
1 stop9h 11m
$304
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 9/23
3:50 pm-11:44 pm
1 stop7h 54m
San Juan Luis Munoz Marin Intl
Wed 9/30
1:32 pm-11:56 pm
1 stop10h 24m
$309
Showing 1-10 of 53 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-BQN
BUF-SJU
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-PSE
BUF-BQN
BUF-SJU
BUF-CPX
What is the cheapest month to book a flight from Buffalo to Puerto Rico?
Currently, August is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $129). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of $257). 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 1, 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 1, 2026.
See what other customers who have flown with Southwest,Delta, andJetBlue from Buffalo to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Buffalo to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Puerto Rico by cabin class
Find flights from Buffalo to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Puerto Rico flights
Browse other Buffalo and Puerto Rico flight options. Last updated on April 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$275 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$501 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$414 | FlexibilityNo cancel fee | On-time71% |