Cheap flights from Ontario, CA to San Francisco
Travel > North America > United States > Ontario, CA to San Francisco flights
Check our current prices for flights from Ontario, CA to San Francisco. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Ontario, CA to San Francisco, you will need to run a search below.
Search and Compare cheap Flights

Book your flight now with Cheapoair.com and save!
Cheap San Francisco airfares from $86/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/21/2025, 12:59 am from Ontario Int`l (ONT) airport and arrives at San Francisco Intl (SFO) at 03:17 pm. The flight time is 14 hours and 18 minutes. The Returning flight departes on 06/04/2025, 01:08 pm (other return dates are also available). Date posted: 01 Feb 2025
Price evolution for flights From Ontario, CA To San Francisco

Recent Deals on Flights from Ontario, CA to San Francisco:Roundtrip / Oneway
- $86
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) San Francisco, CA (SFO) 05/21/2025 12:59 am San Francisco, CA (SFO) Ontario, CA (ONT) 06/04/2025 01:08 pm - We are sorry but currently there are no oneway offers for flights from Ontario, CA to San Francisco.
Please visit this page again later or try out our merchant comparison search. Good luck!
Recently found cheap flight deals
Toronto To Munich Air Lingus airfares from Toronto in January
$762 Depart: 01/29/2025
Return: 02/12/2025
provided by Cheapoair.com
Washington DC To Sao Paulo Multiple Airlines airfares from Washington DC in March
$1735 Depart: 03/04/2025
Return: 03/12/2025
provided by Cheapoair.com
Kansas City To Paris Lufthansa airfares from Kansas City in May
$2074 Depart: 05/26/2023
Return: 06/10/2023
provided by Cheapoair.com
Indianapolis To Amsterdam Lufthansa airfares from Indianapolis in June
$1522 Depart: 06/17/2025
Return: 07/02/2025
provided by Cheapoair.com
Atlanta To Bellingham Alaska Airlines airfares from Atlanta in June
$859 Depart: 06/13/2023
Return: 06/25/2023
provided by Cheapoair.com
Detroit To Santo Domingo Spirit Airlines airfares from Detroit in March
$543 Depart: 03/20/2025
Return: 03/26/2025
provided by Cheapoair.com
Durham To Trenton Multiple Airlines airfares from Durham in June
$688 Depart: 06/25/2025
Return: 07/09/2025
provided by Cheapoair.com
Baltimore To Milan Multiple Airlines airfares from Baltimore in December
$692 Depart: 12/04/2024
Return: 12/14/2024
provided by Cheapoair.com
Los Angeles To Ulsan Multiple Airlines airfares from Los Angeles in July
$2167 Depart: 07/02/2025
Return: 07/15/2025
provided by Cheapoair.com
Specify your search details. Browse the cheapest flights from Ontario, CA to San Francisco, San Francisco hotel rooms and Ontario, CA to San Francisco vacation packages from the most popular providers, airline consolidators and travel search engines.
Know what to do when flying to San Francisco?
San Francisco Travel Guide San Francisco is known as America’s most loved cities. It’s located on the San Francisco Bay and nestles among the hills of Northern California and it is a relatively small city, about 800,000 residents live here. San Francisco has [...]San Francisco History Tracing the history of San Francisco entails going back more than 400 years. However, before that time the land was inhabited by the Ohlone people. It was the explorations of Juan Rodriguez Cabrillo during the middle 1500’s that would [...]
San Francisco Sightseeing San Francisco happens to be one of the heart throb towns of the Californian state bringing in several visitors throughout the year. The city of San Francisco has numerous sights and attractions that may not be covered in a short time. However, [...]
San Francisco Nightlife The city of San Francisco, CA US is the 4th most populous county in California and 14th in the US. It is also one of the most popular nightlife spots in US and boasts everything ranging from opera, piano bars, theatres and ballets to hipster [...]