$109+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUF
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from San Juan to Buffalo 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.Cheapflights Tip: The best prices from San Juan to Buffalo are usually found in February or January, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from San Juan to Buffalo
Cheapest
Best
Last-minute
One-way
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 August 1, 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 August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:25 am
SJU
- BUF
2 stops11h 11m
American Airlines
Fri 11/137:42 pm
BUF
- SJU
1 stop16h 21m
American Airlines
Deal found 7/30![American Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:13 pm
SJU
- BUF
1 stop10h 37m
American Airlines
Tue 10/136:51 pm
BUF
- SJU
1 stop16h 29m
American Airlines
Deal found 7/31![American Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 9/112:55 pm
SJU
- BUF
2 stops8h 49m
United Airlines
Sun 9/206:00 am
BUF
- SJU
1 stop7h 45m
United Airlines
Deal found 7/27![United Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:20 pm
SJU
- BUF
1 stop6h 35m
Southwest
Mon 9/75:40 am
BUF
- SJU
1 stop8h 50m
Southwest
Deal found 7/28![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 7/27. 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.
Fri 11/65:35 am
SJU
- BUF
1 stop6h 50m
Southwest
Mon 11/93:05 pm
BUF
- SJU
2 stops8h 50m
Southwest
Deal found 7/27![Southwest logo]()
$280
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:30 am
SJU
- BUF
1 stop11h 06m
American Airlines
Wed 11/115:40 am
BUF
- SJU
2 stops11h 25m
American Airlines
Deal found 7/31![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
SJU
- BUF
2 stops14h 56m
American Airlines
Tue 9/226:30 am
BUF
- SJU
1 stop8h 20m
American Airlines
Deal found 7/27![American Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sat 9/2610:25 am
SJU
- BUF
2 stops10h 45m
Southwest
Sat 10/33:40 pm
BUF
- SJU
1 stop6h 30m
Southwest
Deal found 7/27![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:22 pm
SJU
- BUF
1 stop9h 18m
American Airlines
Tue 9/295:30 am
BUF
- SJU
2 stops10h 10m
American Airlines
Deal found 7/27![American Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:42 pm
SJU
- BUF
1 stop23h 07m
Frontier
Sat 9/191:40 pm
BUF
- SJU
2 stops21h 13m
Frontier
Deal found 7/30![Frontier logo]()
$299
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 August 1, 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 August 1, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:20 pm
SJU
- BUF
1 stop6h 35m
Southwest
Mon 9/75:40 am
BUF
- SJU
1 stop8h 50m
Southwest
Deal found 7/28![Southwest logo]()
$265
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:15 pm
SJU
- BUF
Nonstop4h 35m
JetBlue
Wed 10/218:00 am
BUF
- SJU
Nonstop4h 39m
JetBlue
Deal found 7/29![JetBlue logo]()
$323
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:10 pm
SJU
- BUF
1 stop9h 49m
Delta
Sun 12/67:00 am
BUF
- SJU
1 stop9h 20m
Delta
Deal found 7/29![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 pm
SJU
- BUF
1 stop12h 35m
Southwest
Mon 8/243:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Deal found 7/29![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:45 am
SJU
- BUF
1 stop8h 26m
Delta
Wed 11/113:59 pm
BUF
- SJU
1 stop6h 56m
Delta
Deal found 7/29![Delta logo]()
$344
This JetBlue deal was found by Cheapflights users on 7/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:20 am
SJU
- BUF
1 stop6h 47m
JetBlue
Sat 9/58:12 am
BUF
- SJU
1 stop9h 05m
JetBlue
Deal found 7/27![JetBlue logo]()
$359
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/231:20 pm
SJU
- BUF
1 stop8h 30m
Southwest
Sat 9/2610:50 am
BUF
- SJU
1 stop11h 10m
Southwest
Deal found 7/26![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am
SJU
- BUF
2 stops9h 10m
Southwest
Mon 10/52:50 pm
BUF
- SJU
2 stops9h 30m
Southwest
Deal found 7/28![Southwest logo]()
$348
Last-minute flights from San Juan to BuffaloDiscover last-minute flight deals from San Juan to Buffalo. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Buffalo. Data last updated August 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:38 pm
SJU
- BUF
2 stops9h 58m
American Airlines
Mon 8/246:00 am
BUF
- SJU
1 stop16h 24m
American Airlines
Deal found 7/29![American Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 pm
SJU
- BUF
1 stop12h 35m
Southwest
Mon 8/243:55 pm
BUF
- SJU
1 stop6h 55m
Southwest
Deal found 7/29![Southwest logo]()
$333
This Priceline deal was found by Cheapflights users on 7/27. 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.
Fri 8/216:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Wed 8/267:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Deal found 7/27![JetBlue logo]()
$335
This Priceline deal was found by Cheapflights users on 7/27. 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.
Fri 8/216:29 pm
SJU
- BUF
Nonstop4h 38m
Multiple Airlines
Wed 8/266:54 pm
BUF
- SJU
1 stop7h 21m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:25 pm
SJU
- BUF
1 stop17h 04m
Frontier
Mon 8/2411:36 am
BUF
- SJU
2 stops13h 20m
Frontier
Deal found 7/29![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:37 pm
SJU
- BUF
2 stops40h 52m
Frontier
Wed 8/266:54 pm
BUF
- SJU
1 stop13h 17m
Frontier
Deal found 7/27![Frontier logo]()
$343
This Priceline deal was found by Cheapflights users on 7/30. 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 8/268:57 pm
SJU
- BUF
1 stop12h 26m
Multiple Airlines
Thu 8/274:16 pm
BUF
- SJU
1 stop9h 50m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Thu 8/274:16 pm
BUF
- SJU
1 stop9h 50m
JetBlue
Deal found 7/30![JetBlue logo]()
$325
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:20 am
SJU
- BUF
1 stop6h 26m
JetBlue
Sun 8/304:16 pm
BUF
- SJU
1 stop9h 50m
JetBlue
Deal found 7/29![JetBlue logo]()
$329
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:00 am
SJU
- BUF
1 stop6h 50m
Southwest
Sun 8/306:10 pm
BUF
- SJU
1 stop6h 20m
Southwest
Deal found 7/29![Southwest logo]()
$330
This Travelocity deal was found by Cheapflights users on 7/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:29 pm
SJU
- BUF
Nonstop4h 38m
Multiple Airlines
Sun 8/309:29 pm
BUF
- SJU
1 stop10h 42m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$340
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 August 1, 2026.
Search for one-way flight options from San Juan to Buffalo. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:05 am
SJU
- BUF
2 stops9h 56m
American Airlines
Deal found 7/30![American Airlines logo]()
$109
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:30 am
SJU
- BUF
1 stop10h 03m
American Airlines
Deal found 7/31![American Airlines logo]()
$112
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 10/264:50 pm
SJU
- BUF
1 stop6h 56m
United Airlines
Deal found 7/27![United Airlines logo]()
$114
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/284:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 7/29![United Airlines logo]()
$125
This Super.com deal was found by Cheapflights users on 7/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:45 am
SJU
- BUF
1 stop8h 16m
JetBlue
Deal found 7/28![JetBlue logo]()
$127
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am
SJU
- BUF
2 stops14h 56m
American Airlines
Deal found 7/27![American Airlines logo]()
$128
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/271:00 am
SJU
- BUF
2 stops8h 35m
United Airlines
Deal found 7/29![United Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:39 pm
SJU
- BUF
2 stops44h 39m
Frontier
Deal found 7/30![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:58 am
SJU
- BUF
2 stops24h 52m
Frontier
Deal found 7/31![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:08 am
SJU
- BUF
2 stops33h 47m
Frontier
Deal found 7/31![Frontier logo]()
$141
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 August 1, 2026.
Round-trip from | $223 (American Airlines) |
|---|---|
One-way from | $109 (American Airlines) |
Popular in | November |
Cheapest in | February |
Average price | $360 |
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 August 1, 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
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 9/3
3:20 pm-9:55 pm
1 stop6h 35m
Buffalo
Mon 9/7
5:40 am-2:30 pm
1 stop8h 50m
$265
Quickest round-trip
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Sat 10/17
6:15 pm-10:50 pm
Nonstop4h 35m
Buffalo
Wed 10/21
8:00 am-12:39 pm
Nonstop4h 39m
$323
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Fri 8/21
8:55 pm-9:30 am
1 stop12h 35m
Buffalo
Mon 8/24
3:55 pm-10:50 pm
1 stop6h 55m
$333
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 9/23
1:20 pm-9:50 pm
1 stop8h 30m
Buffalo
Sat 9/26
10:50 am-10:00 pm
1 stop11h 10m
$334
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Tue 11/24
3:10 pm-11:59 pm
1 stop9h 49m
Buffalo
Sun 12/6
7:00 am-5:20 pm
1 stop9h 20m
$344
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 11/4
7:45 am-3:11 pm
1 stop8h 26m
Buffalo
Wed 11/11
3:59 pm-11:55 pm
1 stop6h 56m
$344
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 10/1
5:00 am-2:10 pm
2 stops9h 10m
Buffalo
Mon 10/5
2:50 pm-12:20 am
2 stops9h 30m
$348
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Mon 8/31
2:20 am-9:07 am
1 stop6h 47m
Buffalo
Sat 9/5
8:12 am-5:17 pm
1 stop9h 05m
$359
Cheapest one-way
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 8/26
6:29 pm-11:07 pm
Nonstop4h 38m
$162
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 10/28
6:15 pm-10:53 pm
Nonstop4h 38m
$162
Showing 1-10 of 20 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
What is the cheapest month to book a flight from San Juan to Buffalo?
Currently, February is the cheapest month in which you can book a flight from San Juan to Buffalo (average of $256). Flying from San Juan to Buffalo in November is currently the most expensive (average of $462). 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 August 1, 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?
Airfare is below average for this route at the moment.
San Juan to Buffalo flights typically cost between $290 and $445 in November.The cheapest round-trip price found within the last 5 days was $218 on American Airlines (Nov 5-Nov 13).
How far ahead should I book a flight from San Juan to Buffalo?
Booking 15 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.
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 August 1, 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.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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Top 6 airlines flying from San Juan to Buffalo
Discover the top 6 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$312 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$195 | Average$400 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$370 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$294 | Average$409 | FlexibilityNo cancel fee | On-time69% |