$118+ Cheap flights from San Juan to Buffalo (BUF)
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUF
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Cheapest flights from San Juan to BuffaloExplore the most affordable flight options available from San Juan to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from San Juan to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SJU
- BUF
1 stop12h 59m
Frontier
Mon 6/87:52 pm
BUF
- SJU
1 stop17h 24m
Frontier
Deal found 5/3![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SJU
- BUF
1 stop12h 59m
Multiple Airlines
Mon 6/87:16 am
BUF
- SJU
Nonstop3h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$239
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
SJU
- BUF
1 stop12h 17m
Frontier
Tue 6/309:02 pm
BUF
- SJU
1 stop29h 07m
Frontier
Deal found 5/3![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:00 am
SJU
- BUF
1 stop12h 16m
Frontier
Mon 8/107:57 pm
BUF
- SJU
1 stop27h 32m
Frontier
Deal found 5/3![Frontier logo]()
$258
This SmartFares deal was found by Cheapflights users on 5/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Mon 6/87:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/6![JetBlue logo]()
$260
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:20 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Sun 5/318:49 pm
BUF
- SJU
1 stop11h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$269
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Wed 5/277:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/3![JetBlue logo]()
$275
This Frontier deal was found by Cheapflights users on 5/5. 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.
Thu 7/98:00 am
SJU
- BUF
1 stop12h 16m
Frontier
Sat 7/1810:05 pm
BUF
- SJU
1 stop9h 52m
Frontier
Deal found 5/5![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:31 pm
SJU
- BUF
1 stop26h 43m
Frontier
Tue 8/49:02 pm
BUF
- SJU
1 stop26h 27m
Frontier
Deal found 5/3![Frontier logo]()
$284
This Priceline deal was found by Cheapflights users on 5/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:20 pm
SJU
- BUF
Nonstop4h 38m
Multiple Airlines
Wed 8/127:57 pm
BUF
- SJU
1 stop12h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$286
This CheapOair deal was found by Cheapflights users on 5/5. 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 8/76:31 pm
SJU
- BUF
1 stop26h 43m
Frontier
Mon 8/107:57 pm
BUF
- SJU
1 stop17h 23m
Frontier
Deal found 5/5![Frontier logo]()
$296
Best flights from San Juan to BuffaloDiscover carefully curated flight deals from San Juan to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from San Juan to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This JetBlue deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Mon 6/87:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/2![JetBlue logo]()
$247
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:59 pm
SJU
- BUF
1 stop25h 00m
Multiple Airlines
Wed 6/177:00 am
BUF
- SJU
Nonstop4h 43m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$337
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:00 am
SJU
- BUF
1 stop12h 16m
Frontier
Mon 7/277:57 pm
BUF
- SJU
1 stop27h 32m
Frontier
Deal found 5/2![Frontier logo]()
$392
This Southwest deal was found by Cheapflights users on 5/5. 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.
Fri 6/55:00 am
SJU
- BUF
2 stops9h 15m
Southwest
Mon 6/85:55 pm
BUF
- SJU
1 stop6h 20m
Southwest
Deal found 5/5![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Mon 5/182:45 pm
BUF
- SJU
1 stop6h 39m
United Airlines
Deal found 5/4![United Airlines logo]()
$529
This JetBlue deal was found by Cheapflights users on 5/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Tue 6/22:41 pm
BUF
- SJU
1 stop8h 12m
JetBlue
Deal found 5/5![JetBlue logo]()
$345
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:35 am
SJU
- BUF
2 stops9h 45m
Southwest
Sat 5/162:00 pm
BUF
- SJU
2 stops9h 45m
Southwest
Deal found 5/5![Southwest logo]()
$450
This JetBlue deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:51 pm
SJU
- BUF
1 stop6h 50m
JetBlue
Mon 5/189:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Deal found 5/4![JetBlue logo]()
$453
This JetBlue deal was found by Cheapflights users on 5/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 am
SJU
- BUF
1 stop7h 12m
JetBlue
Mon 6/86:05 am
BUF
- SJU
1 stop7h 11m
JetBlue
Deal found 5/6![JetBlue logo]()
$459
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 7/911:35 am
SJU
- BUF
2 stops10h 00m
Southwest
Wed 7/152:55 pm
BUF
- SJU
2 stops9h 20m
Southwest
Deal found 5/5![Southwest logo]()
$539
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:50 am
SJU
- BUF
2 stops9h 50m
Southwest
Sun 5/312:55 pm
BUF
- SJU
2 stops8h 40m
Southwest
Deal found 5/5![Southwest logo]()
$567
Last-minute flights from San Juan to BuffaloDiscover last-minute flight deals from San Juan to Buffalo. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Buffalo. Data last updated May 7, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Wed 5/277:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/3![JetBlue logo]()
$275
This Expedia deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:00 am
SJU
- BUF
1 stop11h 04m
Multiple Airlines
Sun 5/311:31 pm
BUF
- SJU
1 stop8h 11m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$300
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SJU
- BUF
1 stop12h 59m
Frontier
Mon 6/87:52 pm
BUF
- SJU
1 stop17h 24m
Frontier
Deal found 5/3![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
SJU
- BUF
1 stop12h 59m
Multiple Airlines
Mon 6/87:16 am
BUF
- SJU
Nonstop3h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$239
This Priceline deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:20 pm
SJU
- BUF
Nonstop4h 49m
Multiple Airlines
Sun 5/318:49 pm
BUF
- SJU
1 stop11h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$269
This SmartFares deal was found by Cheapflights users on 5/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Mon 6/87:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Deal found 5/6![JetBlue logo]()
$260
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
SJU
- BUF
1 stop12h 17m
Frontier
Tue 6/309:02 pm
BUF
- SJU
1 stop29h 07m
Frontier
Deal found 5/3![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
SJU
- BUF
1 stop12h 17m
Frontier
Fri 6/267:57 pm
BUF
- SJU
1 stop27h 32m
Frontier
Deal found 5/3![Frontier logo]()
$276
One-way flights from San Juan to BuffaloSearch for one-way flight options from San Juan to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from San Juan to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Frontier deal was found by Cheapflights users on 5/7. 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 8/48:00 am
SJU
- BUF
1 stop12h 16m
Frontier
Deal found 5/7![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:16 pm
SJU
- BUF
1 stop24h 51m
Frontier
Deal found 5/4![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
SJU
- BUF
2 stops30h 54m
Frontier
Deal found 5/3![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 5/6. 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.
Sun 8/239:24 am
SJU
- BUF
1 stop9h 43m
Frontier
Deal found 5/6![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:31 pm
SJU
- BUF
1 stop26h 43m
Frontier
Deal found 5/7![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:35 pm
SJU
- BUF
2 stops43h 59m
Frontier
Deal found 5/4![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:45 pm
SJU
- BUF
2 stops19h 10m
Frontier
Deal found 5/3![Frontier logo]()
$144
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 6/52:48 pm
SJU
- BUF
1 stop9h 11m
Delta
Deal found 5/7![Delta logo]()
$148
This SmartFares deal was found by Cheapflights users on 5/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 5/5![JetBlue logo]()
$150
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:46 pm
SJU
- BUF
1 stop11h 09m
Delta
Deal found 5/6![Delta logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
SJU
- BUF
2 stops27h 41m
Frontier
Deal found 5/6![Frontier logo]()
$154
Find flight deals from San Juan to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 7, 2026.
Round-trip from | $212 (Priceline) |
|---|---|
One-way from | $118 (Frontier) |
Popular in | December |
Cheapest in | September |
Average price | $318 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from San Juan to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Fri 6/5
6:20 pm-11:09 pm
Nonstop4h 49m
Buffalo
Mon 6/8
7:16 am-11:11 am
Nonstop3h 55m
$247
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Fri 6/5
5:59 pm-6:59 pm
1 stop25h 00m
Buffalo
Wed 6/17
7:00 am-11:43 am
Nonstop4h 43m
$337
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Fri 5/29
6:20 pm-11:09 pm
Nonstop4h 49m
Buffalo
Tue 6/2
2:41 pm-10:53 pm
1 stop8h 12m
$345
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 7/16
8:00 am-8:16 pm
1 stop12h 16m
Buffalo
Mon 7/27
7:57 pm-11:29 pm
1 stop27h 32m
$392
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Fri 6/5
5:00 am-2:15 pm
2 stops9h 15m
Buffalo
Mon 6/8
5:55 pm-12:15 am
1 stop6h 20m
$413
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 5/13
5:35 am-3:20 pm
2 stops9h 45m
Buffalo
Sat 5/16
2:00 pm-11:45 pm
2 stops9h 45m
$450
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 5/14
2:51 pm-9:41 pm
1 stop6h 50m
Buffalo
Mon 5/18
9:19 am-1:13 pm
Nonstop3h 54m
$453
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 6/4
6:30 am-1:42 pm
1 stop7h 12m
Buffalo
Mon 6/8
6:05 am-1:16 pm
1 stop7h 11m
$459
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 5/13
1:00 am-9:53 am
2 stops8h 53m
Buffalo
Mon 5/18
2:45 pm-9:24 pm
1 stop6h 39m
$529
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 7/9
11:35 am-9:35 pm
2 stops10h 00m
Buffalo
Wed 7/15
2:55 pm-12:15 am
2 stops9h 20m
$539
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from San Juan to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Juan with our price prediction graph.
PR1-BUF
SJU-BUF
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 San Juan to Buffalo
PR1-BUF
SJU-BUF
How far ahead should I book a flight from San Juan to Buffalo?
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Juan to Buffalo?
Currently, September is the cheapest month in which you can book a flight from San Juan to Buffalo (average of $68). Flying from San Juan to Buffalo in March is currently the most expensive (average of $215). 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 SJU to BUF?
Find hourly flight availability from San Juan to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.
When flying from San Juan to Buffalo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from San Juan to Buffalo?
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated May 7, 2026.
Read through reviews of airlines operating flights from San Juan to Buffalo, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
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 San Juan to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
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Top 5 airlines flying from San Juan to Buffalo
Discover the top 5 airlines that operate flights from San Juan to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$195 | Average$395 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$360 | FlexibilityNo cancel fee | On-time62% |