Question 1

What are the cheapest airlines flying from Buffalo to San Juan round-trip?

Accepted Answer

Currently priced at C$ 165, Delta will fly you from Buffalo to San Juan and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from C$ 231 and C$ 369, respectively. Delta is currently priced 69% below the average price you’ll pay for this route.

Question 2

How far ahead should I book a flight from Buffalo to San Juan?

Accepted Answer

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 3

What is the cheapest month to book a flight from Buffalo to San Juan?

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from Buffalo to San Juan (average of C$ 254). Flying from Buffalo to San Juan in July is currently the most expensive (average of C$ 580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

What is the cheapest day to fly from Buffalo to San Juan?

Accepted Answer

Travelers seeking maximum savings on their Buffalo to San Juan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Question 7

What are the most popular airlines that fly from Buffalo to San Juan?

Accepted Answer

When booking a flight from Buffalo to San Juan, you may want to consider flying on JetBlue, Delta or Frontier as they are the most popular for this route.

Question 8

What is the cheapest day to fly round-trip from Buffalo to San Juan?

Accepted Answer

Users have found that flying from Buffalo to San Juan on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 9

How far in advance should I book a flight from Buffalo to San Juan?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 59% on flights from Buffalo to San Juan compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 412. For sooner than that we have options available in the next 3 days from C$ 702.

Question 10

What is the cheapest month to fly from Buffalo to San Juan?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to San Juan. Flights to San Juan from Buffalo in September are about C$ 547 on average during September, but can be found for as low as C$ 215.

Question 11

What is the cheapest time of day to fly from BUF to SJU?

Accepted Answer

One of the essential ways to save on airfare from Buffalo to San Juan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

Question 12

What airport do you fly from for flights from Buffalo to San Juan?

Accepted Answer

For a flight from Buffalo to San Juan, you will be flying from Buffalo. Buffalo (BUF) is just 13.4 km from the centre of the city. Buffalo is the only Buffalo airport and it handles 0 outbound flights to San Juan per day. 5 airlines have flights to San Juan from Buffalo on a regular basis.

Question 13

Can I find deals for flights from Buffalo to San Juan that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Buffalo to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 14

How can I find direct flights from Buffalo to San Juan?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Juan.

Question 15

Can I find deals for business class flights from Buffalo to San Juan?

Accepted Answer

Yes. Cheapflights offers flight deals from Buffalo to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Buffalo to San Juan?

Accepted Answer

Cheapflights makes it easy to find Buffalo to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Juan?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 18

Can Cheapflights find flights from Buffalo to San Juan with no change fees?

Accepted Answer

Need flexible booking options for your flight to San Juan from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 19

Can Cheapflights notify me if prices for flights from Buffalo to San Juan become cheaper?

Accepted Answer

Yes! Start tracking prices for Buffalo to San Juan flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	C$ 296
One-way from	C$ 142
Popular in	December
Cheapest in	September
Average price	C$ 569

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 165	AverageC$ 630	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Frontier	CheapestC$ 231	AverageC$ 375	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	CheapestC$ 369	AverageC$ 607	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Southwest	CheapestC$ 454	AverageC$ 739	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
United Airlines	CheapestC$ 519	AverageC$ 852	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Cheap flights from Buffalo to San Juan from C$ 142

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Buffalo to San JuanExplore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

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Best time to book a flight from Buffalo to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Buffalo with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Juan

How far ahead should I book a flight from Buffalo to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Juan. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Buffalo to San Juan?

What is the cheapest time of day to fly from BUF to SJU?

Find hourly flight availability from Buffalo to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Buffalo to San Juan?

What are the cheapest airlines flying from Buffalo to San Juan round-trip?

Can I find deals for flights from Buffalo to San Juan that include hotel bookings?

How can I find direct flights from Buffalo to San Juan?

Can I find deals for business class flights from Buffalo to San Juan?

What is the cheapest month to book a flight from Buffalo to San Juan?

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Alternative routes for Buffalo to San Juan

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Top 5 airlines flying from Buffalo to San Juan

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Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Juan?

Can Cheapflights find flights from Buffalo to San Juan with no change fees?

Can Cheapflights notify me if prices for flights from Buffalo to San Juan become cheaper?

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Cheapest flights from Buffalo to San Juan
Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.