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Cheap Flights from Ontario to San Francisco (SFO)
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Average price per month
- Low Season: January
- High Season: June
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in January, September and December.
- High season months are April, May and June. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Ontario to San Francisco is currently 27% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 35 days before departure!
- Consider booking at least 18 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Ontario to San Francisco Flight Information
| Flights Depart From | Ontario (LAX) |
| Flights Arriving To | San Francisco (LAS) |
| Distance | 380.43 km |
| Current Discount | 27 % |
| Average Price | $70.54 |
| Good Deal | $51.29 |
| Cheapest Airlines | |
| Popular Airlines | |
| Flight Duration | 00 hours 58 minutes |
| Flights Depart From |
| Ontario (LAX) |
| Flights Arrive In |
| San Francisco (LAS) |
| Distance |
| 380.43 km |
| Flight Duration |
| 00 hours 58 minutes |
| Current Discount |
| 27 % |
| Average Price |
| $70.54 |
| Good Deal |
| $51.29 |
| Cheapest Airlines |
| Popular Airlines |
Most Reliable Airlines flying to San Francisco
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|
Good to know:
- San Francisco International is the major airport in San Francisco and surrounding area.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Francisco flight deals.
Track the flight prices from Ontario to San Francisco by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to San Francisco?
Currently there is a 27% discount on flights to San Francisco. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Ontario to San Francisco: , , , , , , and ..
Sat, 15 Nov LAX LAS
Sat, 15 Nov LAS LAX Trip duration: 0 days$51.29
Sun, 02 Nov OGS IAD
Thu, 04 Dec IAD OGS Trip duration: 33 days$60.48
Wed, 19 Nov EWR FLL
Wed, 03 Dec FLL EWR Trip duration: 14 days$63.96
Fri, 07 Nov LAX LAS
Mon, 10 Nov LAS LAX Trip duration: 3 days$64.96- Fri, 07 Nov LAX LAS
Mon, 10 Nov LAS LAX Trip duration: 3 days$64.96 
Sun, 23 Nov SFO LAS
Tue, 25 Nov LAS SFO Trip duration: 2 days$66.16
Fri, 28 Nov YXX YEG
Fri, 05 Dec YEG YXX Trip duration: 7 days$71.51- Fri, 07 Nov LAX LAS
Mon, 10 Nov LAS LAX Trip duration: 3 days$72.5 
Fri, 06 Feb SAN LAS
Mon, 09 Feb LAS SAN Trip duration: 3 days$76.61
Sun, 02 Nov OGS IAD
Thu, 04 Dec IAD OGS Trip duration: 33 days$77.62
Mon, 29 Dec LAX LAS
Thu, 01 Jan LAS LAX Trip duration: 3 days$78.98- Thu, 30 Oct ATL TPA
Tue, 04 Nov TPA ATL Trip duration: 6 days$80.17 - Thu, 30 Oct BWI ATL
Mon, 03 Nov ATL BWI Trip duration: 5 days$80.52 - Wed, 17 Dec LGA ATL
Wed, 07 Jan ATL LGA Trip duration: 21 days$80.97 - Sat, 08 Nov PHX ONT
Tue, 11 Nov ONT PHX Trip duration: 3 days$81.97 - Mon, 29 Dec SFO LAX
Wed, 31 Dec LAX SFO Trip duration: 2 days$82.97
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Frequently Asked Questions
- How long is a direct flight from Ontario to San Francisco?A direct flight from Ontario to San Francisco takes roughly 00 hours 58 minutes.
- How many direct flights are there between Ontario to San Francisco daily?On average, there are 322 direct flights from Ontario to San Francisco each day.
- Which airlines offer cheap airfare from Ontario to San Francisco?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with , , , , , , and .
- Do I need my passport to fly from Ontario to San Francisco?Nope, not this time.
- What's the cheapest day to fly from Ontario to San Francisco?That depends. Recently, the cheapest day to fly from Ontario to San Francisco has been Sunday. And the cheapest return flight from Friday has been. That said, the cheapest departure days are constantly changing.
- Which airport will I be flying from in Ontario?When departing from Ontario you'll be flying out of Los Angeles International.
- Which airport will I be flying from in San Francisco?When departing from San Francisco you'll be flying out of Mc Carran International.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.