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Uncover the best deals on Buffalo to San Juan flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BUF - SJU Flights
Useful information for finding best airline tickets from Buffalo Niagara International to Luis Munoz Marin International on your next trip.
Cheapest Round Trip Flight
$580
Southwest Airlines
• 1 stop
• 10h 25m
Aug 08 – Aug 15
The cheapest round trip flight from Buffalo to San Juan (BUF-SJU-BUF) is currently $580
Cheapest Direct Flight
$815
JetBlue Airways
• nonstop
• 7h 20m
Aug 08
The cheapest nonstop flight from Buffalo to San Juan (BUF-SJU) is currently $815
Fastest Flight
7h 20m
The fastest nonstop flight from Buffalo to San Juan (BUF-SJU) takes 7h 20m
Top Airlines Flying from Buffalo to San Juan
Latest Flight Deals from Buffalo (BUF) to San Juan (SJU)
Compare and book low fare round-trip air tickets from Buffalo to San Juan. Ideal for travelers with confirmed return itineraries.
Aug 08 - Aug 15, Economy
Buffalo → San Juan
10h 25m
3:30 PM - 9:55 PM • 1 stop
Buffalo → San Juan
13h 45m
8:20 AM - 4:45 PM • 1 stop
Southwest Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
21h 45m
8:50 AM - 9:55 PM • 1 stop
Buffalo → San Juan
13h 45m
8:20 AM - 4:45 PM • 1 stop
Southwest Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
15h 21m
1:03 PM - 10:24 PM • 1 stop
Buffalo → San Juan
20h 4m
7:03 AM - 7:07 PM • 1 stop
American Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
26h 47m
9:59 AM - 2:06 AM • 1 stop
Buffalo → San Juan
7h 18m
6:30 PM - 11:08 PM • nonstop
JetBlue Airways
Aug 08 - Aug 15, Economy
Buffalo → San Juan
13h 21m
6:50 AM - 2:51 PM • 1 stop
Buffalo → San Juan
12h 3m
7:03 AM - 2:26 PM • 1 stop
American Airlines
Flying to San Juan soon? We've surfaced some of the most affordable last-minute flights from Buffalo to San Juan, ideal for urgent plans or spontaneous trips.
Aug 08 - Aug 15, Economy
Buffalo → San Juan
10h 25m
3:30 PM - 9:55 PM • 1 stop
Buffalo → San Juan
13h 45m
8:20 AM - 4:45 PM • 1 stop
Southwest Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
21h 45m
8:50 AM - 9:55 PM • 1 stop
Buffalo → San Juan
13h 45m
8:20 AM - 4:45 PM • 1 stop
Southwest Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
15h 21m
1:03 PM - 10:24 PM • 1 stop
Buffalo → San Juan
20h 4m
7:03 AM - 7:07 PM • 1 stop
American Airlines
Aug 08 - Aug 15, Economy
Buffalo → San Juan
26h 47m
9:59 AM - 2:06 AM • 1 stop
Buffalo → San Juan
7h 18m
6:30 PM - 11:08 PM • nonstop
JetBlue Airways
Aug 08 - Aug 15, Economy
Buffalo → San Juan
13h 21m
6:50 AM - 2:51 PM • 1 stop
Buffalo → San Juan
12h 3m
7:03 AM - 2:26 PM • 1 stop
American Airlines
Looking for the fastest way to San Juan? These direct flight options from BUF to SJU offer both convenience and value—no layovers, just straight to your destination.
FAQs on Buffalo to San Juan Flights
What are the airports in Buffalo?
BUF
What’s the most popular airline flying from BUF to SJU?
The most popular airline flying from Buffalo to San Juan are
Can I fly from BUF to SJU non-stop?
Yes, you can fly BUF to SJU non-stop on
Which airlines fly nonstop between Buffalo and San Juan?
The non-stop flights between Buffalo and San Juan are .
What’s the earliest departure time from BUF to SJU Airport?
The earliest flight leaves BUF at 6:27 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Buffalo to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BUF to SJU?
Read the fare rules of the Buffalo to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Buffalo and San Juan?
operate flights between Buffalo and San Juan
How long does a flight from Buffalo to San Juan take?
It takes approximately 4 hour to fly non-stop from BUF to SJU, which is 1845.21 miles by air.
Which airlines provide the cheapest flights from Buffalo (BUF) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from BUF were found on WN : USD 650
Do I need a passport to fly between BUF and SJU?
Yes
What’s the latest departure time from BUF to SJU ?
The last flight leaves BUF at 3:30 pm
Buffalo (BUF) to San Juan (SJU): Airport Information
| Origin Airport | Buffalo Niagara International , Buffalo, US |
| Destination Airport | Luis Munoz Marin International , San Juan, PR |
| Distance | 1845 miles |
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