Cheap Flights from San Jose to Buffalo from $148

Frequently Asked Questions

• What are the cheapest flights from San Jose to Buffalo (SJO-BUF)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $148 on Cheapest nonstop routes (e.g. SJO to BUF on Fri, Jan 30), while United Airlines offers Cheapest nonstop round-trips from $288 departing on Tue, Jan 27 and returning on Tue, Feb 3.

• Which airlines offer direct flights from San Jose to Buffalo?

  At the moment, you can catch a nonstop flight from San Jose to Buffalo with the following airlines, including: Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from San Jose to Buffalo?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Jose to Buffalo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Jose to Buffalo?

  To find best deals on flights from San Jose to Buffalo, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jan 30, with one-way flights priced at just $148.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Buffalo travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Jose (SJO) to Buffalo (BUF) the cheapest?

  The cheapest months to fly from San Jose to Buffalo is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Jose to Buffalo on?

  After crunching the numbers on our January flight calendar, it's currently cheapest to fly from San Jose to Buffalo on January 30, 2026 with United Airlines, with prices starting at $147.

• Which airports can I fly to for Buffalo from San Jose?

  You can land at any one of the following hubs in Buffalo, with Juan Santamaria International Airport to Buffalo Niagara International Airport (SJO-BUF) is by far the most common option on this route: Buffalo Niagara International Airport (BUF).

• Is there any time difference between San Jose and Buffalo?

  The time difference between Buffalo and San Jose is 1h.

• How do I change or cancel my ticket from San Jose to Buffalo?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.