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San Francisco International Airport to Ontario International Airport flight

Search for flights from San Francisco to Los Angeles and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        SFO 21:00
        1h 37m
        Direct
        ONT 22:37
        San Francisco - Los Angeles | Sat, Jun 13 | United Airlines
        LAX 17:38
        1h 32m
        Direct
        SFO 19:10
        Los Angeles - San Francisco | Fri, Jun 19 | Frontier Airlines
        US$220 US$416
        47% off
        47% off
        US$416 US$220
      • SFO 21:09
        1h 36m
        Direct
        ONT 22:45
        San Francisco - Los Angeles | Fri, Apr 24 | United Airlines
        LAX 07:15
        1h 34m
        Direct
        SFO 08:49
        Los Angeles - San Francisco | Sun, Apr 26 | United Airlines
        US$386 US$416
        7% off
        7% off
        US$416 US$386
      • SFO 09:18
        1h 34m
        Direct
        ONT 10:52
        San Francisco - Los Angeles | Fri, Apr 24 | Frontier Airlines
        LAX 12:24
        20h 49m
        1 stop
        SFO 09:13
        Los Angeles - San Francisco | Sun, Apr 26 | Frontier Airlines
        US$169 US$416
        59% off
        59% off
        US$416 US$169
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        LAX 15:00
        6h
        Direct
        SFO 16:00
        Los Angeles - San Francisco | Thu, Apr 23 | Normal Airline
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      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
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      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
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        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
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        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
        Search
        Search
      • SFO 13:00
        17h 25m
        1 stop
        LAX Invalid Date
        San Francisco - Los Angeles | Tue, Apr 21 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Trip.com Price Insights: Flights from San Francisco International Airport to Ontario International Airport

Which month has the cheapest one-way flights from San Francisco International Airport to Ontario International Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from San Francisco International Airport to Ontario International Airport.

Based on Trip.com data from the past 12 months, the cheapest one-way flights from San Francisco International Airport to Ontario International Airport are usually in April, with an average price of US$91. March sees the highest fares, around US$289.

US$289
US$190
US$91
0
  • US$91
    Apr
  • US$108
    May
  • US$127
    Jun
  • US$172
    Jul
  • US$233
    Aug
  • US$126
    Sep
  • US$176
    Oct
  • US$103
    Nov
  • US$127
    Dec
  • US$242
    Jan
  • US$280
    Feb
  • US$289
    Mar

Which day of the week has the cheapest flights from San Francisco International Airport to Ontario International Airport?

The data is based on Trip.com data from the past 12 months and shows the average fares by each day of the week from San Francisco International Airport to Ontario International Airport.

Based on Trip.com data from the past 12 months, the cheapest day for flights from San Francisco International Airport to Ontario International Airport is Monday, with average prices lower than other days. Try to avoid departing on Wednesday, as fares are typically the highest.

US$188
US$146
US$104
US$62
  • US$104
    Mon
  • US$155
    Tue
  • US$188
    Wed
  • US$152
    Thu
  • US$180
    Fri
  • US$138
    Sat
  • US$136
    Sun

San Francisco International Airport to Ontario International Airport Flights Info

Flight distance586.01km
Cheapest return ticket priceUS$169

FAQs for San Francisco International Airport to Ontario International Airport Flights

  • How long is a flight from San Francisco International Airport (SFO) to Ontario International Airport (ONT)?

    It takes around 1 hour 45 minutes to fly from San Francisco International Airport (sfo) to Ontario International Airport (ont).
  • There are around 4 daily flights from San Francisco International Airport (SFO) to Ontario International Airport (ONT).
  • Tickets cost around US$135 in June, making it the cheapest month to book. San Francisco International Airport (SFO) to Ontario International Airport (ONT) is a popular route, so don't forget to book your tickets in advance.
  • The route from San Francisco International Airport (SFO) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around US$286 in April, the most expensive month to book this route.
  • The earliest flight departs from San Francisco International Airport (SFO) at 08:34 and arrives in Ontario International Airport (ONT) at 10:02.
  • The latest flight departs from San Francisco International Airport (SFO) at 21:25 and arrives in Ontario International Airport (ONT) at 22:52.
    • The distance from Los Angeles International Airport to downtown is about 19km, by taxi about 30 minutes.
    • The distance from Ontario International Airport to downtown is about 59km, by taxi about 1 hour 10 minutes.
  • Frontier Airlines is a very popular airline operating an average of 5433 flights per month.

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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

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To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
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