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

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT17:59
        1h 28m
        Direct
        SFO19:27
        Ontario - San Francisco|Sat, May 11|Frontier Airlines
        S$ 21S$ 38
        45% OFF
        45% OFF
        S$ 38S$ 21
      • ONT07:36
        1h 26m
        Direct
        SFO09:02
        Ontario - San Francisco|Wed, Jun 12|Frontier Airlines
        S$ 21S$ 38
        44% OFF
        44% OFF
        S$ 38S$ 21
      • ONT07:39
        1h 28m
        Direct
        SFO09:07
        Ontario - San Francisco|Sat, May 18|Frontier Airlines
        S$ 21S$ 38
        43% OFF
        43% OFF
        S$ 38S$ 21
      • ONT07:39
        1h 28m
        Direct
        SFO09:07
        Ontario - San Francisco|Wed, May 22|Frontier Airlines
        S$ 21
        S$ 21
      • ONT07:53
        1h 27m
        Direct
        SFO09:20
        Ontario - San Francisco|Tue, May 7|Frontier Airlines
        S$ 25
        S$ 25
      • ONT07:58
        1h 27m
        Direct
        SFO09:25
        Ontario - San Francisco|Wed, May 15|Frontier Airlines
        S$ 25
        S$ 25
      • ONT07:53
        1h 27m
        Direct
        SFO09:20
        Ontario - San Francisco|Tue, May 14|Frontier Airlines
        S$ 25
        S$ 25
      • ONT07:58
        1h 27m
        Direct
        SFO09:25
        Ontario - San Francisco|Wed, May 8|Frontier Airlines
        S$ 26
        S$ 26
      • ONT07:53
        1h 27m
        Direct
        SFO09:20
        Ontario - San Francisco|Tue, Apr 30|Frontier Airlines
        S$ 26
        S$ 26
      • ONT07:39
        1h 28m
        Direct
        SFO09:07
        Ontario - San Francisco|Tue, May 21|Frontier Airlines
        S$ 26
        S$ 26
      • ONT13:00
        3h 5m
        Direct
        SFO14:00
        Los Angeles - San Francisco|Sun, May 5|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 Ontario International Airport to San Francisco

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

Frontier Airlines
From S$ 21
Southwest Airlines
From S$ 98
United Airlines
From S$ 125
American Airlines
From S$ 139
Alaska Airlines
From S$ 200
Delta Air Lines
From S$ 306
Hawaiian Airlines
From S$ 993
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to San Francisco

Cheapest return ticket price

S$ 51

Cheapest direct flight price

S$ 19

Cheapest month

May

Peak season for travel

October

FAQs for Ontario International Airport to San Francisco Flights

  • How many airports in San Francisco?

    There are 1 airports near San Francisco: San Francisco International Airport.

  • What is the transportation method from the main airport to downtown in San Francisco?

    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.

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