$56 Cheap Frontier Airlines flights Ontario (ONT) to San Francisco (SFO)

$56 Cheap Frontier Airlines flights Ontario (ONT) to San Francisco (SFO)

Prices were available within the past 7 days and start at $56 for one-way flights and $103 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from Ontario (ONT) to San Francisco (SFO)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
San Francisco Intl.
Airlines serving
Frontier Airlines
Popular airline
Frontier Airlines
Distance
582 km
Average flight time
1 hour 28 mins