Cheap Flights from Buffalo, NY to San Juan from $129
On Cheapflightsplus.com you will find 25 connecting flights from Buffalo to San Juan. You can compare airfare deals from 2 airlines and multiple travel sites from $129, book and save on cheap plane tickets and last minute offers. Also check out BUF-SJU flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Buffalo to San Juan Flight Deals
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: (no tickets).Flight Information
Below we will explain in detail what the flights cost on the destination from Buffalo to San Juan depends on and how to choose the most interesting flight option for you.
Distance between Buffalo and San Juan is 2976 miles. Time difference between the cities is 1h. Airplanes depart 06:00 to 20:00 from 1 Buffalo airport and arrive 06:00 to 20:00 to 2 San Juan airports. Average flight time is 16h 42m.
- The fastest flight 6h 34m
- Average flight time 16h 42m
- Distance 1850 ml
Best Flights from Buffalo to San Juan Today
from$129
from$298
The cheapest months to travel to San Juan are august (from 129 $), october (from 171 $), january (from 171 $).
The most expensive months are november (from 600 $), july (from 223 $), january (from 171 $).
What is the lowest airfare Buffalo to San Juan?
The cheapest plane ticket found by our users is $129. This airfare is for economy class on one-way F91691 flight by Frontier Airlines for August 22, 2025 which leaves Niagara in Buffalo at 10:12 am and arrives at San Juan Luis Munoz Marin Intl at 02:50.
Flight Schedule Buffalo (New York) to San Juan
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Popular Airlines on the Route
The flight Buffalo — San Juan is served by 2 regular airlines and 1 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 2 departures per week at the price of from $129. And the most expensive tickets are offered by United Airlines airline - from $1499.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
- F9 - Frontier Airlinesfrom $129
- UA - United Airlinesfrom $278
Airports
You can fly from Buffalo to San Juan from 1 airports (Niagara).
Buffalo airports
- Niagara-BUFfrom $129
San Juan airports
- Isla Grande-SIG
- Luis Munoz Marin Intl-SJU
Airplanes
There are flights to San Juan from Buffalo by 2 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Buffalo
You may also consider searching for discounted plane tickets to some other popular places from Buffalo within United States.
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Top International Destinations from Buffalo
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $54
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find Flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find an airline ticket, please select dates.