Flights from San Francisco to Ontario

3 deals on this route

Ontario California aerial with San Gabriel Mountains
Save 31%
$102
$147
San Francisco Golden Gate Bridge
SFOONT
San Francisco to Ontario
Frontier Airlines
Nonstop·round trip
Apr 23 – Apr 24
Ontario California aerial with San Gabriel Mountains
$111
$147
San Francisco Golden Gate Bridge
SFOONT
San Francisco to Ontario
Frontier Airlines
Nonstop·round trip
Apr 30 – May 3
Ontario California aerial with San Gabriel Mountains
$133
$147
San Francisco Golden Gate Bridge
SFOONT
San Francisco to Ontario
United Airlines
Nonstop·round trip
Apr 21 – Apr 23