$112+ Cheap flights from Buffalo (BUF) to San Juan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
May 26 — Jun 21
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Juan 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 Buffalo to San Juan are usually found in September or May, booked 88 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Buffalo to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to San JuanExplore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 26, 2026.
This CheapOair deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/78:49 pm
BUF
- SJU
1 stop29h 19m
Frontier
Sun 5/107:00 am
SJU
- BUF
1 stop13h 04m
Frontier
Deal found 4/22![Frontier logo]()
$245
This Priceline deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/99:19 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Thu 5/149:09 am
SJU
- BUF
1 stop9h 37m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$249
This SmartFares deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Mon 5/119:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Sat 5/167:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/24![JetBlue logo]()
$252
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Frontier
Deal found 4/22![Frontier logo]()
$254
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/78:49 pm
BUF
- SJU
1 stop20h 25m
Multiple Airlines
Sat 5/97:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$255
This Priceline deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:05 pm
BUF
- SJU
1 stop9h 50m
Frontier
Wed 6/176:05 pm
SJU
- BUF
1 stop25h 07m
Frontier
Deal found 4/24![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:16 am
BUF
- SJU
Nonstop3h 55m
JetBlue
Sat 6/65:20 pm
SJU
- BUF
Nonstop4h 49m
JetBlue
Deal found 4/25![JetBlue logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/25![JetBlue logo]()
$261
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:28 am
BUF
- SJU
2 stops11h 56m
American Airlines
Wed 9/26:51 am
SJU
- BUF
1 stop7h 35m
American Airlines
Deal found 4/22![American Airlines logo]()
$270
Best flights from Buffalo to San JuanDiscover carefully curated flight deals from Buffalo to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
Discover carefully curated flight deals from Buffalo to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/119:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/23![JetBlue logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/82:49 pm
BUF
- SJU
2 stops11h 19m
Frontier
Tue 5/125:15 pm
SJU
- BUF
1 stop20h 39m
Frontier
Deal found 4/21![Frontier logo]()
$281
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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.
Mon 10/193:50 pm
BUF
- SJU
1 stop8h 06m
Delta
Wed 10/287:30 am
SJU
- BUF
1 stop11h 07m
Delta
Deal found 4/25![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 9/141:40 pm
BUF
- SJU
1 stop9h 25m
Southwest
Fri 9/185:00 am
SJU
- BUF
2 stops10h 15m
Southwest
Deal found 4/21![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/910:45 am
BUF
- SJU
2 stops10h 39m
United Airlines
Wed 5/131:00 am
SJU
- BUF
2 stops8h 53m
United Airlines
Deal found 4/21![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 10/213:50 pm
BUF
- SJU
1 stop8h 06m
Delta
Sat 10/243:10 pm
SJU
- BUF
1 stop7h 55m
Delta
Deal found 4/25![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Thu 10/16:00 am
BUF
- SJU
1 stop6h 34m
United Airlines
Tue 10/64:55 pm
SJU
- BUF
1 stop6h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 10/206:00 am
BUF
- SJU
1 stop10h 33m
Delta
Tue 10/277:00 am
SJU
- BUF
1 stop8h 36m
Delta
Deal found 4/25![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 7/36:07 am
BUF
- SJU
1 stop6h 47m
Delta
Wed 7/152:05 pm
SJU
- BUF
1 stop9h 53m
Delta
Deal found 4/22![Delta logo]()
$389
Last-minute flights from Buffalo to San JuanDiscover last-minute flight deals from Buffalo to San Juan. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Juan. Data last updated April 26, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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
Fri 5/13:08 am
SJU
- BUF
1 stop7h 41m
Frontier
Deal found 4/22![Frontier logo]()
$254
This Priceline deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/111:02 am
BUF
- SJU
1 stop14h 59m
Multiple Airlines
Fri 5/87:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 4/21![JetBlue logo]()
$260
This CheapOair deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/78:49 pm
BUF
- SJU
1 stop29h 19m
Frontier
Sun 5/107:00 am
SJU
- BUF
1 stop13h 04m
Frontier
Deal found 4/22![Frontier logo]()
$245
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/78:49 pm
BUF
- SJU
1 stop20h 25m
Multiple Airlines
Sat 5/97:00 pm
SJU
- BUF
Nonstop4h 48m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$255
This Priceline deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/99:19 am
BUF
- SJU
Nonstop3h 54m
Multiple Airlines
Thu 5/149:09 am
SJU
- BUF
1 stop9h 37m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$249
This SmartFares deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Mon 5/119:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Sat 5/167:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/24![JetBlue logo]()
$252
This Cheapflightsfares deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:19 am
BUF
- SJU
Nonstop3h 54m
JetBlue
Fri 5/157:00 pm
SJU
- BUF
Nonstop4h 48m
JetBlue
Deal found 4/25![JetBlue logo]()
$261
This Orbitz deal was found by Cheapflights users on 4/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:49 pm
BUF
- SJU
1 stop11h 15m
Frontier
Sun 5/249:00 am
SJU
- BUF
1 stop11h 04m
Frontier
Deal found 4/26![Frontier logo]()
$271
One-way flights from Buffalo to San JuanSearch for one-way flight options from Buffalo to San Juan. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
Search for one-way flight options from Buffalo to San Juan. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Booking.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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.
Sun 6/78:49 pm
BUF
- SJU
1 stop26h 33m
Frontier
Deal found 4/22![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:11 pm
BUF
- SJU
1 stop24h 57m
Frontier
Deal found 4/23![Frontier logo]()
$115
This Travelocity deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:57 pm
BUF
- SJU
1 stop11h 58m
Frontier
Deal found 4/22![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:05 pm
BUF
- SJU
1 stop9h 52m
Frontier
Deal found 4/23![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:52 pm
BUF
- SJU
1 stop12h 12m
Frontier
Deal found 4/21![Frontier logo]()
$123
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:57 pm
BUF
- SJU
1 stop28h 57m
Frontier
Deal found 4/21![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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.
Sun 5/34:07 pm
BUF
- SJU
1 stop9h 54m
Frontier
Deal found 4/24![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/111:02 am
BUF
- SJU
1 stop14h 59m
Frontier
Deal found 4/21![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/122:50 pm
BUF
- SJU
2 stops33h 25m
Frontier
Deal found 4/25![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:32 pm
BUF
- SJU
1 stop25h 35m
Frontier
Deal found 4/21![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:41 pm
BUF
- SJU
2 stops28h 35m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$135
Find flight deals from Buffalo to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Juan (PR1). 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 April 26, 2026.
Round-trip from | $234 (United Airlines) |
|---|---|
One-way from | $112 (Booking.com) |
Popular in | December |
Cheapest in | September |
Average price | $371 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to San Juan 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 26, 2026.
Use the filters below to find and compare flights from Buffalo to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 5/11
9:19 am-1:13 pm
Nonstop3h 54m
San Juan Luis Munoz Marin Intl
Fri 5/15
7:00 pm-11:48 pm
Nonstop4h 48m
$265
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 5/8
2:49 pm-2:08 am
2 stops11h 19m
San Juan Luis Munoz Marin Intl
Tue 5/12
5:15 pm-1:54 pm
1 stop20h 39m
$281
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 10/19
3:50 pm-11:56 pm
1 stop8h 06m
San Juan Luis Munoz Marin Intl
Wed 10/28
7:30 am-6:37 pm
1 stop11h 07m
$328
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Wed 10/21
3:50 pm-11:56 pm
1 stop8h 06m
San Juan Luis Munoz Marin Intl
Sat 10/24
3:10 pm-11:05 pm
1 stop7h 55m
$328
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Mon 9/14
1:40 pm-11:05 pm
1 stop9h 25m
San Juan Luis Munoz Marin Intl
Fri 9/18
5:00 am-3:15 pm
2 stops10h 15m
$350
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Tue 10/20
6:00 am-4:33 pm
1 stop10h 33m
San Juan Luis Munoz Marin Intl
Tue 10/27
7:00 am-3:36 pm
1 stop8h 36m
$367
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Sat 5/9
10:45 am-9:24 pm
2 stops10h 39m
San Juan Luis Munoz Marin Intl
Wed 5/13
1:00 am-9:53 am
2 stops8h 53m
$384
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Thu 10/1
6:00 am-12:34 pm
1 stop6h 34m
San Juan Luis Munoz Marin Intl
Tue 10/6
4:55 pm-11:26 pm
1 stop6h 31m
$386
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 7/3
6:07 am-12:54 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Wed 7/15
2:05 pm-11:58 pm
1 stop9h 53m
$389
Cheapest one-way
BuffaloSan Juan
BUF - SJU
BUFSJU
Buffalo
Fri 9/4
6:00 am-4:35 pm
1 stop10h 35m
$133
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Buffalo to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Buffalo with our price prediction graph.
BUF-PR1
BUF-SJU
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 San Juan
BUF-PR1
BUF-SJU
How far ahead should I book a flight from Buffalo to San Juan?
To ensure you get the cheapest price possible for a flight from Buffalo to San Juan, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Buffalo to San Juan?
Currently, April is the cheapest month in which you can book a flight from Buffalo to San Juan (average of $93). Flying from Buffalo to San Juan in July is currently the most expensive (average of $200). 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 SJU?
Find hourly flight availability from Buffalo to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 26, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to San Juan as you normally would.
How much does it cost to fly round-trip from Buffalo to San Juan?
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated April 26, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andJetBlue from Buffalo to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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Buffalo and San Juan flights
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Top 6 airlines flying from Buffalo to San Juan
Discover the top 6 airlines that operate flights from Buffalo to San Juan. 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$272 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$255 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$201 | Average$523 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$436 | FlexibilityNo cancel fee | On-time71% |