Cheap Flights from San Juan to Buffalo Niagara

Travellers and cabin class

Compare San Juan to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

Book the best Buffalo Niagara fare with no extra fees

Flight deals from San Juan to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from San Juan to Buffalo Niagara? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Juan to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Juan to Buffalo Niagara flights are currently cheapest in September.

San Juan to Buffalo Niagara: Alternative routes

Compare routes from San Juan to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

San Juan to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundR 2,086
Cheapest month to flySeptember

Finding cheap flights from San Juan to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from San Juan to Buffalo Niagara is R 4,181. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Juan to Buffalo Niagara. But we found flights with one stop from R 4,181.
As of May 2025, there are no flights flying from San Juan to Buffalo Niagara.
The cheapest month to fly from San Juan to Buffalo Niagara is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Juan to Buffalo Niagara Airport on Saturday, 23 August 2025.
No airlines currently offer direct flights between San Juan and Buffalo Niagara Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Buffalo Niagara is Frontier Airlines .

Flying from San Juan to Buffalo Niagara International Airport (BUF): what you need to know

  • Planning your getaway begins with figuring out where you'll fly out of in San Juan. Luis Munoz Marin International Airport (SJU) is the city's main base, so check out your options for reserving a flight from San Juan to Buffalo Niagara International Airport (BUF) departing from here.

  • Buffalo (where Buffalo Niagara International Airport is located) and San Juan share the UTC-4 timezone. Easily coordinate travel plans without worrying about time differences.

  • Your flight from San Juan to BUF won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You can expect bigger queues during popular months such as July and other peak periods. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • We make it a cinch to find a flight from San Juan to BUF with a stopover. To see the options departing from Luis Munoz Marin International Airport (SJU), uncheck 'Direct flights only.' Then, simply choose a flight with a stop long enough to tour the city of your choice. Some popular stopovers between SJU and BUF include:

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • John F. Kennedy International Airport (JFK)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The distance from central San Juan to SJU is approximately 8 kilometres. Use Google Maps for the fastest route, whether you prefer to drive or use public transport.

  • Booked an early flight from San Juan to Buffalo Niagara International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to Luis Munoz Marin International Airport:

About Buffalo Niagara International Airport (BUF)

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • Buffalo Niagara International Airport is approximately 18 kilometres from central Buffalo. With your own car rental or if you take a cab, the drive is about 21 minutes.

  • It takes roughly 1 hour and 15 minutes to get there using public transport.

How to find the cheapest flights from San Juan to Buffalo Niagara International Airport (BUF)

  • For a one-way ticket from San Juan to Buffalo Niagara International Airport, R 2,086 is the best price we've seen. You can also book a return flight starting from R 4,181. These are the lowest fares right now and may vary depending on availability.

  • It's usually smart to book as early as possible if you're looking for cheap tickets from San Juan to BUF. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • Getting cheap tickets from San Juan to Buffalo Niagara International Airport is more likely if you can be flexible with your travel plans. Use the 'Whole month' tool to see the lowest prices across the month and score a great deal.

  • Finding a cheap ticket from San Juan to BUF is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as the price drops.

  • Play around with the filters to find your ideal trip. To see the 'Fastest,' 'Cheapest' or 'Best' flights from San Juan to Buffalo Niagara International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

The best time to fly from San Juan to Buffalo Niagara International Airport (BUF)

  • May is the quietest time of year to fly to Buffalo. Alternatively, join the crowds and go in August. This is the busiest month for flights from San Juan to Buffalo Niagara International Airport, but the best time to go is your call.

  • Before booking a flight from San Juan to BUF, think about the kind of weather you enjoy. July is the warmest month in Buffalo, with temperatures ranging from 15ºC to 28ºC.

  • January sees average temperatures of between -10ºC and 2ºC. Look for cheap flights from San Juan to Buffalo Niagara International Airport around that time if you like cooler conditions.

More about Buffalo

Complete your Buffalo trip with a car rental

  • Once you've locked in your hotel and cheap flight from San Juan to Buffalo Niagara International Airport, the next step is choosing one of our car rentals in Buffalo. Browse the deals and instantly compare options on price, fuel policies, and more.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.