$145 Cheap Flights from Buffalo (BUF) to San Jose (SJC)

View $145 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)

Cheap Flights from Buffalo to San Jose (BUF-SJC)

Prices were available within the past 7 days and start at $145 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 20 - Tue, Feb 17
BUF
Buffalo
SJC
San Jose
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Jan 20 from Buffalo to San Jose, returning Tue, Feb 17, priced at $294 found 6 days ago
Delta
Fri, Feb 20 - Wed, Mar 4
BUF
Buffalo
SJC
San Jose
$298 Roundtrip, found 5 days ago
$298
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Feb 20 from Buffalo to San Jose, returning Wed, Mar 4, priced at $298 found 5 days ago
Delta
Wed, Feb 18 - Wed, Mar 4
BUF
Buffalo
SJC
San Jose
$303 Roundtrip, found 5 days ago
$303
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 18 from Buffalo to San Jose, returning Wed, Mar 4, priced at $303 found 5 days ago
Southwest Airlines
Sat, Jan 10 - Wed, Feb 11
BUF
Buffalo
SJC
San Jose
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Jan 10 from Buffalo to San Jose, returning Wed, Feb 11, priced at $307 found 6 days ago
Delta
Sun, Jan 18 - Sat, Jan 24
BUF
Buffalo
SJC
San Jose
$308 Roundtrip, found 3 days ago
$308
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jan 18 from Buffalo to San Jose, returning Sat, Jan 24, priced at $308 found 3 days ago
Delta
Tue, Jan 20 - Sat, Jan 31
BUF
Buffalo
SJC
San Jose
$308 Roundtrip, found 5 days ago
$308
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 20 from Buffalo to San Jose, returning Sat, Jan 31, priced at $308 found 5 days ago
United
Wed, Jan 7 - Wed, Feb 11
BUF
Buffalo
SJC
San Jose
$312 Roundtrip, found 5 days ago
$312
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 7 from Buffalo to San Jose, returning Wed, Feb 11, priced at $312 found 5 days ago
Delta
Sun, Jan 18 - Wed, Feb 4
BUF
Buffalo
SJC
San Jose
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jan 18 from Buffalo to San Jose, returning Wed, Feb 4, priced at $313 found 3 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
BUF
Buffalo
SJC
San Jose
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to San Jose, returning Mon, Dec 15, priced at $343 found 1 day ago
Alaska Airlines
Tue, Feb 17 - Tue, Mar 3
BUF
Buffalo
SJC
San Jose
$417 Roundtrip, found 5 days ago
$417
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 17 from Buffalo to San Jose, returning Tue, Mar 3, priced at $417 found 5 days ago

Find the cheapest month to fly from Buffalo (BUF) to San Jose (SJC)

September is typically the cheapest month to fly

From $220 - $784 per traveler.

Alternative airports near San Jose

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Average driving time to city center is 40 minutes. Flights from $425
SFO
San Francisco Intl.
Average driving time to city center40 min
Flights from $425
Select flight to Oakland Intl. OAK. Cheapest option available. Average driving time to city center is 41 minutes. Flights from $348
OAK
Oakland Intl.
Cheapest
Average driving time to city center41 min
Flights from $348
Flights from Buffalo (BUF) to San Jose (SJC)
Origin airport
Buffalo Niagara Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$294
Distance
2287 mi

Buffalo to San Jose Flights

The cheapest times to fly from Buffalo to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to San Jose are during the month of January. You can find some of the cheapest flights from Buffalo to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to San Jose

Sunday is one of the best days to book for cheap flights from Buffalo to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Lock in a cheap one-way flight from $145 or cheap return flight from $294 from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
January is the least expensive month to fly from BUF to SJC. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To find the cheapest airline flying from BUF to SJC, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
You'll have to catch a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from BUF to SJC?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To arrive at Norman Y. Mineta San Jose Intl. Airport (SJC) on time, select a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Last-minute fares from BUF to SJC are typically more expensive. For the best prices, start looking for flights well ahead of time. That being said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book a BUF to SJC flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to SJC flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
It's generally possible to cancel or reschedule your BUF to SJC flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.