Cheap flights from Ontario to San Francisco from $26
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to San Francisco by changing tabs
Find the cheapest one-way flights from Ontario to San Francisco
If you're looking for one-way flights from Ontario to San Francisco, view some of our deals below provided by Frontier and United Airlines
Search last-minute flights to San Francisco from Ontario
Find and compare round-trip flight prices for your last-minute flight from Ontario to San Francisco
Best airlines flying from Ontario to San Francisco
Compare and see reviews for airlines that fly from Ontario to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $31 | Free Cancellation | Rating 6.4 8,746 reviews | |||
| PriceFrom $40 | Free Cancellation | Rating 6.3 4,132 reviews | |||
| PriceFrom $45 | Free Cancellation | Rating 8.0 9,115 reviews | |||
| PriceFrom $51 | Free Cancellation | Rating 7.6 4,606 reviews | |||
| PriceFrom $65 | Free Cancellation | Rating 8.0 10,966 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 8.1 75 reviews | |||
| PriceFrom $109 | Free Cancellation | Rating 7.4 11,228 reviews | |||
| PriceFrom $177 | Free Cancellation | Rating 7.3 14,889 reviews |
United Airlines Flights From Ontario to San Francisco
United Airlines flight deals from Ontario to San Francisco start from $109 round-trip. Over the 18 United Airlines flights for this route in a normal week, average airfare is usually $245 round-trip - but some users have found much cheaper deals with momondo.
Frontier Flights From Ontario to San Francisco
Across 4,132 Frontier reviews on momondo, the average score is 6.3/10. Frontier flies from Ontario to San Francisco about 2 times each week, with ticket deals ranging from $40 to $100. Price data is based on momondo searches in the last 72 hours.
Frontier flights from Ontario to San Francisco
Our best Frontier deals on Ontario to San Francisco flight tickets
United Airlines flights from Ontario to San Francisco
Our best United Airlines deals on Ontario to San Francisco flight tickets
How to get the cheapest flight ticket from Ontario to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Ontario to San Francisco?
June. The cheapest time of year to fly to San Francisco from Ontario is June. Most expensive is January
What is the cheapest day to depart Ontario for San Francisco?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly from Ontario to San Francisco?
At noon. Ontario to San Francisco flights are approximately 19% more expensive in the evening than at noon
What is the cheapest airline that flies to San Francisco from Ontario?
Spirit Airlines. Alaska Airlines, Breeze Airways, and Delta are the most popular carriers operating from Ontario to San Francisco
What is the cheapest Ontario to San Francisco flight route?
Ontario - San Francisco. Fly from Ontario to San Francisco for the best Ontario - San Francisco flight prices
How far in advance should you book Ontario to San Francisco flights?
39 days before. The cheapest time to buy a flight from Ontario to San Francisco is approximately 39 days to departure
How many flights depart from Ontario to San Francisco on average per day?
The number of flights available between Ontario and San Francisco is 6 per day as of April 2024. The most frequent departure time is 9:00AM, with 70% of daily flights leaving at noon.
How many flights depart from Ontario to San Francisco on average per week?
As of April 2024, there are 45 flights per week flying from Ontario to San Francisco. The most common day of the week flights depart is Thursday, with 18% of flights taking off on this day.
What cabin class options are available on Ontario to San Francisco flights?
There are 3 cabin classes available to choose from on Ontario to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Ontario to San Francisco flights?
No. A direct flight is the cheapest option for a flight between Ontario to San Francisco.
Cheap Ontario to San Francisco (ONT to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to San Francisco
Best Price Found | $26 |
|---|---|
Fastest flight time | 1h 25m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Ontario to San Francisco by plane?
The straight-line distance from Ontario to San Francisco is 370.2 mi. In terms of flight time, this usually takes a little over 1h 25m.
When did momondo last update prices for flights from Ontario Airport to San Francisco Airport?
Prices for flights from Ontario Airport to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to San Francisco Airport?
There are 8 operators available for flights from Ontario Airport to San Francisco Airport as of April 2024.
How old do you have to be to fly from Ontario Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to San Francisco?
It is quick and easy to find Ontario to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.
Can I find flights from Ontario to San Francisco with flexible booking policies on momondo?
Flights from Ontario to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to San Francisco?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to San Francisco.
I’m not ready to book a flight from Ontario to San Francisco right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Francisco from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.