FFL Helper
San Diego SAN
$171
BUF → SAN · Southwest Airlines
FFL Helper / Buffalo / San Diego / September 2026
BUF → SAN · 2026-09
Buffalo to San Diego in September 2026
Dated one-way fares from Buffalo to San Diego in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$171
Highest this month
$171
Sample fare
$171
Airports
BUF–SAN
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Other months: September 2026 · Full route
September 2026 price calendar
September 2026
From $171
Mon
Tue
Wed
Thu
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Sun
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$171
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Dated fares
Booking BUF to SAN in September 2026
This page is only September 2026 on the Buffalo to San Diego route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Buffalo to San Diego in September 2026.