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San Francisco International Airport to Ontario flight
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Cheap Flights from San Francisco International Airport to Ontario

Search for flights from San Francisco International Airport to Ontario and check out affordable one-way and round-trip options.

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Tue, May 28|Frontier Airlines
        AU$ 22AU$ 42
        47% OFF
        47% OFF
        AU$ 42AU$ 22
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Tue, Jun 4|Frontier Airlines
        AU$ 24AU$ 42
        44% OFF
        44% OFF
        AU$ 42AU$ 24
      • SFO20:27
        1h 30m
        Direct
        ONT21:57
        San Francisco - Ontario|Sat, May 11|Frontier Airlines
        AU$ 28AU$ 42
        34% OFF
        34% OFF
        AU$ 42AU$ 28
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Wed, May 29|Frontier Airlines
        AU$ 28
        AU$ 28
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Sat, Jun 1|Frontier Airlines
        AU$ 28
        AU$ 28
      • SFO10:15
        1h 29m
        Direct
        ONT11:44
        San Francisco - Ontario|Wed, May 15|Frontier Airlines
        AU$ 29
        AU$ 29
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Tue, May 21|Frontier Airlines
        AU$ 29
        AU$ 29
      • SFO10:10
        1h 29m
        Direct
        ONT11:39
        San Francisco - Ontario|Tue, May 14|Frontier Airlines
        AU$ 29
        AU$ 29
      • SFO10:15
        1h 29m
        Direct
        ONT11:44
        San Francisco - Ontario|Wed, May 8|Frontier Airlines
        AU$ 29
        AU$ 29
      • SFO05:15
        1h 24m
        Direct
        ONT06:39
        San Francisco - Ontario|Wed, May 22|Frontier Airlines
        AU$ 29
        AU$ 29
      • SFO13:00
        3h 5m
        Direct
        ONT14:00
        San Francisco - Ontario|Sat, May 11|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from San Francisco International Airport to Ontario

See which airlines fly from San Francisco International Airport to Ontario. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From AU$ 22
United Airlines
From AU$ 144
Southwest Airlines
From AU$ 189
Alaska Airlines
From AU$ 202
American Airlines
From AU$ 343
Delta Air Lines
From AU$ 348
Hawaiian Airlines
From AU$ 1,085
ANA airlines
Find more flights and airlines
Flight Schedule from San Francisco International Airport to Ontario

Check the schedule for flights from San Francisco International Airport to Ontario and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92678

    Frontier Airlines

    05:15

    SFO

    1.4h

    Direct

    06:36

    ONT

    SMTWT-S
    Search

  2. F94160

    Frontier Airlines

    20:27

    SFO

    1.5h

    Direct

    21:57

    ONT

    -----F-
    Search
Find more flights and airlines

Flight Info of Flights from San Francisco International Airport to Ontario

Cheapest return ticket price

AU$ 52

Cheapest direct flight price

AU$ 22

Off-season for travel

February

Peak season for travel

February

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