SFO to ONT (San Francisco to Ontario) Flights

Last Minute Flights from SFO to ONT

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SFOLos AngelesMay 3 to May 5$139
*Prices include taxes and fees

Cheapest SFO to ONT Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SFOLos AngelesMay 14 to May 14$52
SFOLos AngelesMay 10 to May 29$79
SFOLos AngelesJune 25 to July 4$151
SFOLos AngelesMay 4 to May 4$193
*Prices include taxes and fees
SFO to ONT Flight Details
Origin airport
San Francisco Intl.
Origin airport IATA code
SFO
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Distance
363 mi

Frequently asked questions

What airlines fly direct from SFO to Ontario Airport?
Put an end to time-wasting stopovers and go straight from San Francisco Airport to ONT with United Airlines (UA). This top carrier operates 60 nonstop flights on this route each month. Also take a look at the 30 nonstop monthly flights offered by Frontier Airlines (F9). No getting off the plane? No trouble.
How many flights are there from SFO to ONT?
About 65 services are available every day between San Francisco, CA (SFO-San Francisco Intl.) and Ontario, CA (ONT-Los Angeles - Ontario Intl.). Fasten your seat belt because your plane to Ontario is ready to go.
What is the flight distance from San Francisco, CA (SFO-San Francisco Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The short-haul trip from San Francisco to Ontario is a breezy 360 miles (590 1). Don’t get too comfy though — you’ll be taxiing into Ontario, CA (ONT-Los Angeles - Ontario Intl.) not long after you take off!
How many morning flights are there from SFO to ONT?
Early risers, you’ll be delighted to discover that there are 213 morning flights from SFO to ONT per week.

  • You can depart at 5:44AM if you travel with American Airlines (AA). It offers 54 weekly flights from SFO to ONT.
  • Delta Air Lines (DL) is another top option to consider. This carrier has 47 morning services, with the earliest departure time being 5:50AM.
  • You’ll have around 41 morning flights to choose from if you book a ticket with Alaska Airlines (AS). 6:00AM is the earliest departure.

How many afternoon flights are there from SFO to ONT?
Take off on one of the 246 afternoon and evening flights from SFO to ONT every week.

  • Lock in a ticket with Delta Air Lines (DL), which has 60 flights each week that take off after midday. 12:27PM is the earliest of those departures.
  • If you’d rather reserve your seat with Alaska Airlines (AS), look up the 53 weekly afternoon and evening flights departing from 12:25PM onward.
  • Alternatively, cruise at altitude with American Airlines (AA). This carrier has 53 flights per week after midday, with the earliest departing at 12:27PM.

What is the earliest departure time out of San Francisco to Ontario?
12:44AM is the earliest scheduled flight that takes off from SFO, touching down at ONT at 12:55AM. Save valuable time in the morning by having your suitcase zipped up and ready to be thrown into your rideshare.
What is the latest departure time out of San Francisco to Ontario?
Book a ticket for the 11:59PM flight out of SFO, arriving at ONT at 1:56AM, and give yourself time to finish up those last-minute vacation preparations. This is the latest flight you can take on this route.
What is the average price from San Francisco to Ontario?
Round-trip tickets from SFO to ONT start from around $52. Book soon and score a terrific deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

San Francisco to Ontario Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from San Francisco to Ontario to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from SFO to ONT, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from San Francisco to Ontario, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.