| Best option Ontario San Francisco | 04/26/24 direct F92677 01h 26min | 05/21/24 direct F92678 01h 23min |  Frontier Airlines |  | $98 Found several days ago | Check | |
| Ontario San Francisco | 06/12/24 direct F92677 01h 25min | 07/09/24 direct F92678 01h 23min | Frontier Airlines | | $170 Found several days ago | Check | |
| Ontario San Francisco | 05/28/24 direct F92677 01h 25min | 06/22/24 direct F92678 01h 25min | Frontier Airlines | | $187 Found several days ago | Check | |
| Ontario San Francisco | 05/28/24 direct F92677 01h 25min | 06/22/24 direct F92678 01h 25min | Frontier Airlines |  | $188 Found several days ago | Check | |
| Ontario San Francisco | 07/10/24 direct F92677 01h 25min | 07/25/24 direct F92678 01h 25min | Frontier Airlines | | $203 Found several days ago | Check | |
| Ontario San Francisco | 07/10/24 direct F92677 01h 25min | 07/25/24 direct F92678 01h 25min | Frontier Airlines | | $204 Found several days ago | Check | |
| Ontario San Francisco | 06/20/24 direct F92677 01h 26min | 07/13/24 direct F92678 01h 25min | Frontier Airlines | | $214 Found several days ago | Check | |
| Ontario San Francisco | 06/20/24 direct F92677 01h 26min | 07/13/24 direct F92678 01h 25min | Frontier Airlines | | $215 Found several days ago | Check | |
| Ontario San Francisco | 06/23/24 direct F92677 01h 26min | 07/15/24 direct F92678 01h 25min | Frontier Airlines | | $232 Found several days ago | Check | |
| Ontario San Francisco | 06/23/24 direct F92677 01h 26min | 07/15/24 direct F92678 01h 25min | Frontier Airlines | | $233 Found several days ago | Check |
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- Flights
- Flight Routes
- Flights to United States
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- Flights Ontario (ONT) San Francisco (SFO)
Stops
Airline
- United Airlines
- Frontier Airlines
Flight type
- Return
Outbound departure month
- April 2024
- May 2024
- June 2024
- July 2024
Outbound weekday
- Tuesday
- Wednesday
- Thursday
- Friday
- Sunday
Return departure month
- May 2024
- June 2024
- July 2024
Return weekday
- Monday
- Tuesday
- Thursday
- Saturday
Tips and tricks to help you find cheap flights from Ontario to San Francisco
Favorite airline: Frontier Airlines
The favorite airline for flights from Ontario to San Francisco is Frontier Airlines.
Frontier Airlines
90 %
United Airlines
10 %
Tip: book 5 weeks before departure
The best time to buy tickets is 5 weeks before the flight. Pay only $63.00.
38 days before departure
Cheapest weekday: Tuesday
Compared to other weekdays, flights are cheapest on Tuesday.
Flight information: Ontario - San Francisco
| Roundtrip from | $97.01 |
|---|---|
| Flight duration | min. 01:28 / max. 01:35 |
| Return flight duration | min. 01:27/ max. 03:20 |
| Distance | 585 km |
| Flights per week | 42 |
| Departure airport | Ontario-CA (ONT) |
| Arrival airport | San Francisco International Airport, CA (SFO) |
| Destination country | United States |
Alternative routes to United States
- Ontario - Miami from $322
- Ontario - Phoenix - Sky Harbor from $138
- Ontario - Las Vegas from $134
- Ontario - New York from $331
- Ontario - Dallas from $246
- Ontario - Atlanta from $310
Alternative flights to San Francisco
- Las Vegas - San Francisco from $50
- New York - San Francisco from $210
- Los Angeles - San Francisco from $82
- New York - San Francisco from $278
- Seattle-Tacoma - San Francisco from $139
- Honolulu - San Francisco from $236
- San Diego - San Francisco from $157
- Washington-DC - San Francisco from $302
- Boston - San Francisco from $292
- Chicago - San Francisco from $289
Flight destinations with a similar price
- San Francisco - San Jose, Costa Rica from $267
- San Francisco - Guadalajara from $332
- San Francisco - Los Cabos from $361
- San Francisco - Leon-Bajio from $493
- San Francisco - Mexico City from $2,095
- San Francisco - Stuttgart from $1,720
- San Francisco - Toronto from $191
- San Francisco - Vienna from $1,043
- San Francisco - Karachi from $1,022