ONT to SFO (Ontario to San Francisco) Flights

Last Minute Flights from ONT to SFO

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

OriginDestinationTravel DatesFlights From*
ONTSan FranciscoMay 3 to May 5$143
*Prices include taxes and fees

Cheapest ONT to SFO Flights

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

OriginDestinationTravel DatesFlights From*
ONTSan FranciscoJuly 12 to July 12$52
ONTSan FranciscoMay 17 to May 17$75
ONTSan FranciscoMay 14 to May 21$151
ONTSan FranciscoMay 3 to May 3$193
*Prices include taxes and fees
ONT to SFO Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Distance
363 mi

Frequently asked questions

What airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to SFO?
If you’re eager to get your vacation underway pronto, reserve a seat with United Airlines (UA). It offers 60 nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to San Francisco Airport a month. Frontier Airlines (F9) will also take you to San Francisco Airport without any time-consuming stopovers. Choose from its 30 monthly flights that are nonstop.
How many flights are there from ONT to SFO?
About 36 a day. If you’re in a big hurry to fly to San Francisco, see if you can grab an epic last-minute deal from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.) and then book it quick!
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.)?
It’s an easy breezy 360 miles (590 1) from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA (SFO-San Francisco Intl.), making it a short-haul flight. Secure a window seat and gaze out at the aerial views of San Francisco as you prepare to land.
How many morning flights are there from ONT to SFO?
Early risers, you’ll be happy to hear that there are 116 morning flights from ONT to SFO each week.

  • American Airlines (AA) has 35 weekly flights that depart before noon. The earliest is 6:00AM.
  • 5:45AM is the earliest time you can journey from ONT to SFO with Delta Air Lines (DL). This airline has 28 early flights a week.
  • You’ll have 28 morning flights to choose from if you fly with Alaska Airlines (AS). 6:00AM is the earliest departure.

How many afternoon flights are there from ONT to SFO?
If the words “early start” just aren’t in your vocabulary, reserve a seat on one of the 140 weekly afternoon and evening flights from ONT to SFO.

  • Think about locking in a ticket with Delta Air Lines (DL). This carrier operates 37 flights a week that depart after noon. The earliest of those services is 12:35PM.
  • American Airlines (AA) provides 37 afternoon and evening flights a week. The first departs at 12:50PM.
  • Or, take off from 12:29PM onward with Frontier Airlines (F9). This carrier offers 36 afternoon and evening flights every week.

What is the earliest departure time out of Ontario to San Francisco?
The earliest flight jets off from ONT at 12:55AM and touches down at 12:58AM at SFO. Remember to give yourself adequate time in the morning to easily make it to the airport.
What is the latest departure time out of Ontario to San Francisco?
From ONT, the latest flight you can get jets out at 11:59PM and lands at 2:21AM at SFO. If you don’t enjoy early starts, this flight has your name on it.
What is the average price from Ontario to San Francisco?
You can find a round-trip flight from ONT to SFO starting from around $52. The cheapest fares get snapped up early, so book as soon as you’ve decided on your travel dates. 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.

Ontario to San Francisco Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to San Francisco 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 ONT to SFO, 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 Ontario to San Francisco, 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.