Flights from Ontario to San Francisco

3 deals on this route

San Francisco Golden Gate Bridge
Save 44%
$89
$158
Ontario California aerial with San Gabriel Mountains
ONTSFO
Ontario to San Francisco
Frontier Airlines
Nonstop·round trip
Apr 30 – May 3
San Francisco Golden Gate Bridge
Save 34%
$104
$158
Ontario California aerial with San Gabriel Mountains
ONTSFO
Ontario to San Francisco
Frontier Airlines
Nonstop·round trip
May 12 – May 14
San Francisco Golden Gate Bridge
$128
$158
Ontario California aerial with San Gabriel Mountains
ONTSFO
Ontario to San Francisco
United Airlines
Nonstop·round trip
Apr 16 – Apr 17