$160 Cheap United flights San Francisco (SFO) to Ontario (ONT)

View $160 flight on Sun, Feb 15, 2026Opens in a new window

$160 Cheap United flights San Francisco (SFO) to Ontario (ONT)

Prices were available within the past 7 days and start at $160 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from San Francisco (SFO) to Ontario (ONT)

January is typically the cheapest month to fly

From $48 - $157 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $180
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $180
Flights from San Francisco (SFO) to Ontario (ONT)
Origin airport
San Francisco Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
582 km
Average flight time
1 hour 25 mins