$27 Cheap Flights from Ontario to San Francisco

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Los Angeles - Ontario Intl. to San Francisco Intl.

Amazing ONT to SFO Flight Deals

The cheapest flights to San Francisco Intl. found within the past 7 days were $51 round trip and $27 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for ONT to SFO

CarrierFlightDepart ONTArrive SFOThu
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Stops
UA209406:00 am07:29 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA541610:31 am00:05 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA532704:00 pm05:33 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA536608:25 pm09:58 pmCheck FareCheck Fare
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F9275500:17 pm01:42 pm
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Best San Francisco Intl. Flight and Hotel Packages

San Francisco Intl. flight + hotel packages - economy flights

YOTEL San Francisco
Stanyan Park Hotel
Castle Inn
Grant Plaza Hotel
Bay Landing San Francisco Airport Hotel
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FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)

Can I catch a flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to San Francisco, CA Airport (SFO-San Francisco Intl.) right now?

Be sure to visit our Covid-19 Travel Advisor to discover if there are any current travel advice reports or quarantine requirements in place in San Francisco, CA Airport (SFO-San Francisco Intl.) when flying from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.).

Are there direct flights from Ontario Airport to San Francisco Intl. Airport (SFO)?

Multiple airlines offer passengers flights straight from Ontario Airport to SFO. These include United Airlines and Frontier Airlines — check them out if you'd like to reach San Francisco with minimal fuss.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to SFO, please visit our Customer Service Portal.

How long is the flight from Ontario Airport to San Francisco Airport?

Getting from ONT to San Francisco Airport is no sweat as the flight generally lasts about 1 hour and 20 minutes. With such a short flight time, it's highly likely that you'll leave the plane feeling as energetic as when you stepped on board.

What is the flight distance from ONT to San Francisco Intl. Airport (SFO)?

Between Ontario Airport and San Francisco Airport, the flight distance is around 2,237 mi. So, order a glass of wine and make yourself comfortable. You have some tough decisions to make — start on a new series, dive into your novel or just shut your eyes and sleep?

What airlines fly from Los Angeles - Ontario Intl. Airport (ONT) to San Francisco Intl. Airport (SFO)?

There are a couple of airlines that have direct flights from Los Angeles - Ontario Intl. Airport (ONT) to San Francisco Airport. United Airlines (UA) is one of the most reliable, offering around 54 flights each month. Another popular choice is Frontier Airlines (F9), which has 19 flights each month. The more air carriers you consider, the more likely you are to score a fantastic deal.

What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with United Airlines, Alaska Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

 

Traveling From Los Angeles - Ontario Intl.
Traveling To San Francisco Intl.
Shortest Flight Time 1 hours 25 mins
Earliest Departure Time 6:00AM PST
Latest Departure Time 4:00PM PST
Lowest Flight Price $51

Route Info

Flight path for flights from LA/Ontario International Airport to San Francisco International Airport.

Distance:
364.00 miles

Airline carriers and aircraft used on flights from ONT to SFO

Airline Carrier
Aircraft
United Airlines
Boeing 737-800 (winglets) pax

Discover our best flights from Ontario ONT to San Francisco SFO. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Ontario ONT to San Francisco SFO at the right price  

Airfares to San Francisco SFO from Ontario ONT currently cost between $51 and $84. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Ontario ONT to San Francisco SFO 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Ontario ONT to San Francisco SFO on Travelocity starting at $27. Prices and availability subject to change. Additional terms may apply. 

 

Get to San Francisco SFO from Ontario ONT quicker with direct flights. 

Get to San Francisco faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SFO from ONT to take around 1 hour(s) 25 min(s).  

 

Find our cheapest airfares for flights from Ontario ONT to San Francisco SFO

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SFO from ONT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Ontario ONT to San Francisco SFO today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from Ontario ONT to San Francisco SFO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to San Francisco SFO from Ontario ONT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SFO from ONT have this option.  

 

Travel with confidence when you book flights to San Francisco SFO from Ontario ONT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.