$121 Cheap Flights from San Juan (SJU) to Buffalo (BUF)

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
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United
Southwest Airlines
American Airlines
Delta
Southwest Airlines
United
Delta
JetBlue Airways

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF) cost?
Discover the latest flight deals from SJU to BUF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJU to BUF?
The cheapest flights from SJU to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJU to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJU to BUF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SJU to BUF?
Generally you’ll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF)?
To avoid possible delays on the Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute bookings from SJU to BUF are usually more expensive. To secure the best prices, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it’s possible to find a cheap ticket just before your departure.
Is it cheaper to book a SJU to BUF flight and hotel package?
Securing a SJU to BUF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your SJU to BUF flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.
*Available to One Key members.