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Flights from San Francisco to Ontario
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Find cheap one-way flights from San Francisco to Ontario starting at CNY 15.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
- One way
- Round-trip
- SFO10:101h 29mDirectONT11:39Tue, Apr 30|San Francisco - Ontario|Frontier AirlinesCNY 15CNY 2744% OFF44% OFFCNY 27CNY 15
- SFO20:271h 30mDirectONT21:57Sat, May 11|San Francisco - Ontario|Frontier AirlinesCNY 15CNY 2743% OFF43% OFFCNY 27CNY 15
- SFO05:151h 24mDirectONT06:39Tue, Jun 4|San Francisco - Ontario|Frontier AirlinesCNY 16CNY 2743% OFF43% OFFCNY 27CNY 16
- SFO05:151h 21mDirectONT06:36Wed, Jun 26|San Francisco - Ontario|Frontier AirlinesCNY 16CNY 16
- SFO20:271h 30mDirectONT21:57Sat, May 4|San Francisco - Ontario|Frontier AirlinesCNY 18CNY 18
- SFO10:151h 29mDirectONT11:44Wed, May 1|San Francisco - Ontario|Frontier AirlinesCNY 18CNY 18
- SFO10:151h 29mDirectONT11:44Wed, Apr 24|San Francisco - Ontario|Frontier AirlinesCNY 19CNY 19
- SFO20:271h 30mDirectONT21:57Sat, Apr 27|San Francisco - Ontario|Frontier AirlinesCNY 19CNY 19
- SFO10:151h 29mDirectONT11:44Wed, May 8|San Francisco - Ontario|Frontier AirlinesCNY 19CNY 19
- SFO05:151h 21mDirectONT06:36Wed, Jun 12|San Francisco - Ontario|Frontier AirlinesCNY 19CNY 19
- SFO13:003h 5mDirectONT14:00Tue, Apr 30|San Francisco - Ontario|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from San Francisco to Ontario
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From US$15
Southwest Airlines
From US$70
United Airlines
From US$94
American Airlines
From US$101
Alaska Airlines
From US$125
Delta Air Lines
From US$230
ANA airlines
Find more flights and airlines
Find cheap flights from San Francisco to Ontario by different airports
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Francisco to Ontario.
- CheapestSFO10:101h 29mDirectONT11:39San Francisco International Airport - Ontario International AirportTue, Apr 30Frontier AirlinesUS$15
- SFO10:101h 29mDirectONT11:39San Francisco International Airport - Ontario International AirportTue, Apr 30Frontier AirlinesUS$15Find More Flights
Frequently Asked Questions
How to find a cheap flight from San Francisco to Ontario
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to Ontario. Book your flights at the right time and save more.
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San Francisco to Ontario Flight Information
Cheapest nonstop flight price | $15 |
---|---|
Cheapest round-trip ticket price | $33 |
Off-season for travel | February |
Peak season for travel | February |
Flight distance | 12,799.42km |
Popular airline | Frontier Airlines |
Plan Your Trip Around Ontario
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