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Cheap Flights from San Juan (SJUA) to Buffalo Niagara (BUF)

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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

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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? Find the lowest prices on one-way and return tickets right here.
Buffalo.£173 per passenger.Departing Sat, 23 Aug, returning Sun, 31 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 23 Aug, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 31 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £173, select.
Sat, 23 AugSJU - BUF with Frontier Airlines
1 stop
Sun, 31 AugBUF - SJU with Frontier Airlines
1 stop
from £173
Buffalo.£175 per passenger.Departing Sun, 31 Aug, returning Mon, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 31 Aug, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 1 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £175, select.
Sun, 31 AugSJU - BUF with Frontier Airlines
1 stop
Mon, 1 SepBUF - SJU with Frontier Airlines
1 stop
from £175
Buffalo.£175 per passenger.Departing Sat, 4 Oct, returning Fri, 10 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 4 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 10 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £175, select.
Sat, 4 OctSJU - BUF with Frontier Airlines
1 stop
Fri, 10 OctBUF - SJU with Frontier Airlines
1 stop
from £175
Buffalo.£177 per passenger.Departing Thu, 5 Jun, returning Thu, 12 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 5 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 12 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £177, select.
Thu, 5 JunSJU - BUF with Frontier Airlines
1 stop
Thu, 12 JunBUF - SJU with Frontier Airlines
1 stop
from £177
Buffalo.£185 per passenger.Departing Mon, 27 Oct, returning Sun, 2 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Mon, 27 Oct, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Sun, 2 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £185, select.
Mon, 27 OctSJU - BUF with Delta
1 stop
Sun, 2 NovBUF - SJU with Delta
1 stop
from £185
Buffalo.£185 per passenger.Departing Wed, 3 Sep, returning Wed, 10 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Wed, 3 Sep, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 10 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £185, select.
Wed, 3 SepSJU - BUF with Southwest Airlines
1 stop
Wed, 10 SepBUF - SJU with Southwest Airlines
1 stop
from £185
Buffalo.£258 per passenger.Departing Fri, 6 Jun, returning Tue, 30 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Fri, 6 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Tue, 30 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £258, select.
Fri, 6 JunSJU - BUF with Southwest Airlines
1 stop
Tue, 30 SepBUF - SJU with Southwest Airlines
1 stop
from £258
Buffalo.£284 per passenger.Departing Thu, 24 Jul, returning Wed, 30 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Thu, 24 Jul, arriving in Buffalo Niagara.Inbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Wed, 30 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £284, select.
Thu, 24 JulSJU - BUF with Southwest Airlines
1 stop
Wed, 30 JulBUF - SJU with Southwest Airlines
1 stop
from £284
How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Juan to Buffalo Niagara found in the last 4 days, and are subject to change and availability.

The cheapest month to fly from San Juan to Buffalo Niagara Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the San Juan to Buffalo Niagara Airport flight prices forecast over the next 12 months.
May
from £493
Jun
from £177
Jul
from £284
Aug
from £173
Sep
from £185
Oct
from £175
Nov
Find prices
Dec
Find prices
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
Cheapest month:August
Most expensive month:May

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 found£173
Cheapest month to flyAugust

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 £173. 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 £173.
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 5 miles. 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:

    • Enchanted Honeymoon Isla Verde Beachfront

    • Media Luna Studio Oceanview Pool

    • Spacious Unit With 5BR, 3BA Perfect for Big Groups, Near Ocean Park Beach

About Buffalo Niagara International Airport (BUF)

  • If you're arriving on a late flight from San Juan to Buffalo Niagara International Airport, few things top the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing soon after at one of these options near BUF:

    • Baymont by Wyndham Buffalo

    • Budget Inn Buffalo Airport

    • Homewood Suites by Hilton Buffalo - Airport

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

  • Buffalo Niagara International Airport is approximately 11 miles 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, £86 is the best price we've seen. You can also book a return flight starting from £173. 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

  • Start your Buffalo trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from San Juan to Buffalo Niagara International Airport, browse our selection of hotels including:

    • Wyndham Garden Buffalo Downtown

    • Hyatt Regency Buffalo Hotel and Conference Centre

    • Staybridge Suites Buffalo

  • One of the best ways to get a feel for Buffalo is to check out its leading attractions. Highlights include Buffalo City Hall, Albright-Knox Art Gallery and Canalside.

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.

Plan the rest of your trip from San Juan to Buffalo

  • Car hire from Buffalo Niagara
  • Hotels in Buffalo

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

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