Looking for more low-fare flights?
Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.
Find low faresSouthwest® flights from San Jose, CA to Buffalo/Niagara Falls from $189
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Low fares from San Jose, CA to Buffalo/Niagara Falls
$
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 04/29/2026
One-way
Basic
From
$189
Seen: 23 hrs ago
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 05/05/2026
One-way
Basic
From
$189
Seen: 13 hrs ago
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 03/09/2026
One-way
Basic
From
$219
Seen: 16 hrs ago
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 03/28/2026
One-way
Basic
From
$219
Seen: 10 hrs ago
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 05/05/2026
One-way
Choice
From
$229
Seen: 13 hrs ago
San Jose, CA (SJC)to
Buffalo/Niagara Falls (BUF)
Depart: 04/29/2026
One-way
Choice
From
$229
Seen: 23 hrs ago
Explore flights from San Jose, CA to Buffalo/Niagara Falls
location_on
location_on
Flight Details
Departing from:
Norman Y. Mineta San José International Airport
Arriving at:
Buffalo Niagara International Airport
Distance:
2294 miles
Route Information
71† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 71 weekly flights from San Jose, CA to Buffalo/Niagara Falls on Southwest Airlines.
To find the lowest fares by day and time to fly San Jose, CA to Buffalo/Niagara Falls with Southwest, check out our Low Fare Calendar.
You can rent a car at Buffalo Niagara International Airport book yours with your flight.
Yes! Flights from San Jose, CA to Buffalo/Niagara Falls—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.