Find Cheap Flights from Buffalo to San Juan (BUF - SJU)

Flights overview

Useful information for finding cheap flights from Buffalo to San Juan and booking your next trip

Cheapest round-trip flights	$186	Frontier 1 stop 30 hr Thu, May 7 — Thu, May 14	The cheapest round-trip flight from Buffalo to San Juan is currently $186
Cheapest one-way flight	$88	Frontier 1 stop 7 hr Fri, May 8	The cheapest one-way flight from Buffalo to San Juan is currently $88
Cheapest nonstop flights	$265	JetBlue Nonstop 4 hr Fri, May 1 — Fri, May 8	The cheapest nonstop round-trip flight from Buffalo to San Juan is currently $265
Last-minute weekend getaway	$360	Frontier 1 stop 15 hr Sat, Apr 18 — Mon, Apr 20	The cheapest last-minute weekend getaway from Buffalo to San Juan is currently $360
Cheapest business class flights	$444	Frontier 1 stop 30 hr Thu, May 7 — Fri, May 15	The cheapest business class round-trip flight from Buffalo to San Juan is currently $444

Fastest flight	3 hr 54 min	The fastest nonstop flight from Buffalo to San Juan takes 3 hr 54 min
Nonstop flights	Some days	There are direct flights on this route 4 days a week: Mon, Wed, Fri, Sat.

When is the cheapest time to fly?

The cheapest month to fly from Buffalo to San Juan is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $200–310
June Most expensive	Typical prices: $265–390

Popular airlines from Buffalo to San Juan

JetBlue

Nonstop

from $265

Typical price: $325–700

4 weekly nonstop flights

BUF - SJU Every Mon, Wed, Fri, Sat

143 weekly connecting flights

BUF - SJU Every day
American

from $302

Typical price: $270–650

286 weekly connecting flights

BUF - SJU Every day
Southwest

from $288

Typical price: $300–630

282 weekly connecting flights

BUF - SJU Every day
Delta

from $274

Typical price: $360–1,250

207 weekly connecting flights

BUF - SJU Every day
United

from $288

Typical price: $360–770

104 weekly connecting flights

BUF - SJU Every day
Frontier

from $186

Typical price: $260–610

27 weekly connecting flights

BUF - SJU Every day

Popular airports near Buffalo

Buffalo Niagara International Airport (BUF)

Buffalo United States 24 min 8 mi
Toronto Pearson International Airport (YYZ)

Toronto Canada 1 hr 37 min 66 mi
Frederick Douglass Greater Rochester International Airport (ROC)

Rochester United States 1 hr 13 min 63 mi
Cleveland Hopkins International Airport (CLE)

Cleveland United States 3 hr 11 min 183 mi

Popular airports near San Juan

Luis Munoz Marin International Airport (SJU)

San Juan Puerto Rico 15 min 4 mi
Antonio Rivera Rodríguez Airport (VQS)

Vieques Puerto Rico 2 hr 35 min 42 mi
Benjamín Rivera Noriega Airport (CPX)

Culebra Puerto Rico 3 hr 3 min 50 mi
Aeropuerto Eugenio María de Hostos (MAZ)

Mayagüez Puerto Rico 2 hr 17 min 72 mi

Frequently asked questions about flying from Buffalo to San Juan

The cheapest flights from Buffalo to San Juan are usually in January. Typical ticket prices in January range from $200 to $310.

The cheapest round-trip flight from Buffalo to San Juan recently found on Google Flights was with Frontier from $186. The cheapest one-way flight was with Frontier from $88.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest JetBlue flight from Buffalo to San Juan is $265, flying from May 1 to May 8.
The cheapest American flight from Buffalo to San Juan is $302, flying from May 28 to Jun 3.
The cheapest Southwest flight from Buffalo to San Juan is $288, flying from Apr 27 to May 6.
The cheapest Delta flight from Buffalo to San Juan is $274, flying from Apr 30 to May 6.
The cheapest United flight from Buffalo to San Juan is $288, flying from Apr 25 to May 1.
The cheapest Frontier flight from Buffalo to San Juan is $186, flying from May 7 to May 14.

The cheapest round-trip flight from Buffalo to San Juan starts at $186 from Thu, May 7 to Thu, May 14. The cheapest one-way flight starts at $88 and departs on Fri, May 8.

3 hr 54 min is the shortest flight time from Buffalo to San Juan.

Peak travel is Dec–Jul. A tropical climate ensures warm temperatures and frequent rainfall year-round. The San Sebastián Street Festival (Jan) is a huge open-air party, with music, food and rum cocktails, plus local artists displaying their paintings around Old San Juan. Festival Casals (varies Feb/Mar) is a classical music festival staged in honor of cellist Pablo Casals, who founded the Puerto Rico Symphony Orchestra. Hurricane season is Jun–Nov.

It's easy to use Google Flights to find the cheapest days to fly from Buffalo to San Juan.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Buffalo to San Juan really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Buffalo to San Juan.

In terms of nonstop flights, JetBlue is the most popular. JetBlue offers 4 nonstop flights and 143 connecting flights per week. JetBlue flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .

In terms of flights, American is the most popular. American offers 286 connecting flights per week. American flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .

Other popular airlines flying from Buffalo to San Juan are:

Southwest offers 282 connecting flights per week. Southwest flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .
Delta offers 207 connecting flights per week. Delta flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .
United offers 104 connecting flights per week. United flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .
Frontier offers 27 connecting flights per week. Frontier flies from Buffalo Niagara International Airport (BUF) to Luis Munoz Marin International Airport (SJU) .

The number of connecting flights refers to distinct flights with at least one stop between Buffalo and San Juan.

The cheapest round-trip flight from Buffalo to San Juan recently found on Google Flights was with Frontier from $186. The cheapest one-way flight was with Frontier from $88.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest JetBlue flight from Buffalo to San Juan is $265, flying from May 1 to May 8.
The cheapest American flight from Buffalo to San Juan is $302, flying from May 28 to Jun 3.
The cheapest Southwest flight from Buffalo to San Juan is $288, flying from Apr 27 to May 6.
The cheapest Delta flight from Buffalo to San Juan is $274, flying from Apr 30 to May 6.
The cheapest United flight from Buffalo to San Juan is $288, flying from Apr 25 to May 1.
The cheapest Frontier flight from Buffalo to San Juan is $186, flying from May 7 to May 14.

JetBlue flies direct from Buffalo to San Juan.

There are 4 JetBlue direct flights from Buffalo to San Juan per week. Flights are available on Monday, Wednesday, Friday and Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Buffalo and San Juan at price $360 is offered by Frontier from Sat, Apr 18 to Mon, Apr 20.

JetBlue flies direct from Buffalo to San Juan.

There are 4 JetBlue direct flights from Buffalo to San Juan per week. Flights are available on Monday, Wednesday, Friday and Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Direct flights from Buffalo to San Juan are only available on Monday, Wednesday, Friday and Saturday.

The cheapest direct (nonstop) round-trip flights between Buffalo and San Juan start at $265 from Fri, May 1 to Fri, May 8 with JetBlue.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Buffalo to San Juan, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Buffalo and San Juan start at $444 from Thu, May 7 to Fri, May 15 with Frontier.

The cheapest economy class round-trip flights between Buffalo and San Juan start at $186 from Thu, May 7 to Thu, May 14.

To book business class trips from Buffalo to San Juan, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Buffalo and San Juan starts at $360 from Sat, Apr 18 to Mon, Apr 20 with Frontier.

The cheapest last-minute deal between Buffalo and San Juan at price $360 is offered by Frontier from Sat, Apr 18 to Mon, Apr 20.

To find last-minute flight deals from Buffalo to San Juan, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.