Cheap flight tickets from San Juan to Buffalo Niagara

Compare San Juan to Buffalo Niagara flight deals

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

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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 Airport? If you want to travel next month, return fares start from RM774. 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 May.

Direct flights from San Juan to Buffalo Niagara

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 foundRM347
Cheapest month to flyMay
Average flight time4 hrs, 47 mins
Most popular airlinejetBlue
Average flights per week5

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 RM774. 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.
4 hours and 47 minutes is the average flight time from San Juan to Buffalo Niagara.
jetBlue flies direct from San Juan to Buffalo Niagara.
As of April 2026, there are 5 flights per week flying from San Juan to Buffalo Niagara.
The cheapest month to fly from San Juan to Buffalo Niagara is usually May.
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 Sunday, 10 May 2026.
Yes – the average flight time is 4 hours and 47 minutes.
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.

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

  • San Juan's main base, Luis Munoz Marin International Airport (SJU), is where plenty of awesome adventures begin. Explore the departure options from here when searching for a flight from San Juan to Buffalo Niagara International Airport (BUF).

  • Buffalo Niagara International Airport is located in Buffalo. The city's timezone is UTC-4, which is the same as San Juan.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from San Juan to BUF.

  • With more people on the move during peak seasons, it's a good idea to be at your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow for additional wait times.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Think about adding a stopover to find cheap flights from San Juan to BUF. Just deselect 'Direct flights only' when browsing departures from Luis Munoz Marin International Airport (SJU). Break up your trip (and maybe get a better deal) by stopping at one of these popular options:

    • John F. Kennedy International Airport (JFK)

    • Fort Lauderdale-Hollywood International Airport (FLL)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Located around 8 kilometres from the centre of San Juan, SJU can be reached in about 10 minutes by car (depending on traffic). The journey by public transport will take roughly 55 minutes.

  • Want a hassle-free start to your holiday? Stay near Luis Munoz Marin International Airport. Whether you have an early flight from San Juan to Buffalo Niagara International Airport or prefer not to feel hurried, these hotels offer the perfect solution:

  • Of the departures from Luis Munoz Marin International Airport, 73.65% land on time at their destination.

Fernando Luis Ribas Dominicci Airport (SIG)

About Buffalo Niagara International Airport (BUF)

  • Consider booking a hotel close to BUF if you have a late flight from San Juan to Buffalo Niagara International Airport. Pick one of these options and call it a night faster:

  • Travel at your own pace with a Buffalo Niagara International Airport rental car. Pick up a set of wheels from Dollar, Hertz or Budget and experience more of Buffalo and beyond.

  • For the lowest price, book your vehicle around two weeks in advance of your San Juan to Buffalo Niagara International Airport flight.

  • BUF is located at Genesee Street.

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

  • Buffalo Niagara International Airport to the centre of Buffalo is around 13 kilometres. If you're getting a cab or renting a car, do a little research to make your trip as smooth as possible. Journey times vary based on traffic and the time of day.

  • Travelling on public transport will take you around 1 hour 15 minutes.

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

  • The cheapest price we've found for a one-way ticket from San Juan to Buffalo Niagara International Airport is RM347. For a return flight on this route, the best price is RM774. Depending on when and how early you book, these fares may change.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from San Juan to BUF if you book in advance. Airlines often have some amazing early bird rates.

  • Cheap San Juan to Buffalo Niagara International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across each month and then pick the cheapest day.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll let you know the moment a better deal comes up on plane tickets from San Juan to BUF.

  • Find a cheap flight from San Juan to Buffalo Niagara International Airport by using the search filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

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

  • Picture the kind of break you want when deciding your trip dates. May is the quietest month to go to Buffalo. August is when most people book flights from San Juan to Buffalo Niagara International Airport (BUF), which may be ideal if you enjoy travelling when it's busier.

  • Lock in a San Juan to BUF plane ticket departing in July if you're eager to experience the city during its warmest month. You can expect temperatures in Buffalo to range from 15ºC (59ºF) to 28ºC (82ºF).

  • January has temperatures of between -10ºC (14ºF) and 2ºC (36ºF). Search for cheap tickets from San Juan to Buffalo Niagara International Airport around that time if you like cooler conditions.

More about Buffalo

  • Once you've booked your flight from San Juan to Buffalo Niagara International Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Buffalo:

  • All great adventures should include a little sightseeing. Frank Lloyd Wright's Darwin D. Martin House Complex, Albright-Knox Art Gallery and Forest Lawn are essential stops on your Buffalo itinerary.

Explore more of the United States

  • Buffalo is easy to fall in love with, but there are so many other corners of the United States waiting to be discovered. About 290 kilometres south-west of Buffalo, a visit to Cleveland will keep your itinerary packed. Start with leading attractions like Rock & Roll Hall of Fame & Museum, Cleveland Museum of Art and Cleveland Museum of Natural History.

  • Around 290 kilometres south of Buffalo, Pittsburgh is another favourite stop in the United States. Get a taste of what this destination has to offer at Andy Warhol Museum, Carnegie Museum of Art and The Frick Pittsburgh.

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