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Cheap SFO to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

San Francisco to Ontario route information

Origin Airport San Francisco Intl.
Destination Airport Los Angeles - Ontario Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, United
Flight Price $127
Distance 363 mi



San Carlos




San Bernardino


Santa Monica


Orange County


Long Beach




Los Angeles




Cheap SFO to ONT Flights

  • Question : What is the cheapest airline flying from San Francisco to Ontario?
    Answer : United Airlines is your best friend for finding that coveted low fare. They're offering fares as low as $105, while rates for similar flights can cost as much as $467.
  • Question : How long does the average person stay in Ontario?
    Answer : Of course, you are not an average person, but if you were, you'd stay around four days.
  • Question : How much is a plane ticket to Ontario (ONT) from San Francisco (SFO)?
    Answer : Cost can range from $105 to $467, prices for SFO to ONT change less than the majority of routes in the United States. The further out you book, the more likely you are to save.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from San Francisco to Ontario is on Wednesday. So, if you are trying to save a little money on your next flight look for flights on that day.
  • Question : What is the cheapest day to fly to Ontario?
    Answer : As of Jul 15th, the cheapest day to fly from San Francisco to Ontario is Jul 17th. Tickets are presently being sold for $105, which is 40% below the average price.
  • Question : How long does it take to fly from San Francisco to Ontario?
    Answer : The fastest flight from SFO and ONT takes around one hour and 24 minutes.
  • Question : Can I change the date of my flight?
    Answer : Yes, you can change your departure date. If you want to save some funds in doing so, the lowest-cost day to fly in July is Wednesday.

San Francisco to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from San Francisco to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at, we’ll pair you up with SFO to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind San Francisco for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Jun 26, 2019

Very good service from start to end

May 12, 2019

Even though I acknowledged about basic economy terms and limitations in regards luggage, it would be easy to use economy terms and limitations in regards of luggage. Because gross dollar amount difference is basic economy affordable than gross dollar amount is economy, sacrifice check in by couple of minutes for a very good flight.

Dec 24, 2018

I was only offered water in a cup. Unpleased..

Oct 25, 2018

My first time with Expedia flight, went like a breeze!! Thank you

Aug 19, 2018

WiFi way too expensive. Southwest $5 per device per flight

Aug 19, 2018

Pilot was amazing, after everyone had left, he helped us get our stroller for our baby!

Aug 18, 2018

smooth, easy, flight. thanks much.

Jul 24, 2018

Needed a wheelchair and it was provided in a very friendly and professional way. All personnel very helpful.

Jul 16, 2018

Food was horrible spent 27 on sandwiches nobody ate. Sitting in the last row it smelled like urine.

Jul 1, 2018

United has been great to us.