Cheap flights from Ontario to San Francisco from $62
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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Southwest flights from Ontario to Sacramento
Our best Southwest deals on Ontario to Sacramento flight tickets
Delta flights from Ontario to Sacramento
Our best Delta deals on Ontario to Sacramento flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Ontario to Sacramento
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 to Sacramento?
The month of August is, on average, the cheapest month to fly to Sacramento from Ontario, with most prices found around $102. If you are unable to visit Sacramento during the month of August, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $114.
What is the cheapest day to depart on your flight to Sacramento?
The cheapest day to depart from Ontario to Sacramento is on a Saturday when prices can be found for as low as $144. Flights from Ontario to Sacramento on a Sunday will generally be more expensive and average around $185. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Sacramento?
According to our data, the cheapest time of day to fly to Sacramento is in the morning. momondo users have found flights departing from Ontario to Sacramento in the morning for as low as $151. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $197. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Ontario to Sacramento Intl flight route?
Fly from Ontario to Sacramento Intl for the best Ontario - Sacramento Intl flight prices
How far in advance should I book a flight to Sacramento?
You are more likely to see cheaper flights to Sacramento from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Sacramento for around $202 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sacramento from Ontario for as low as $137 on momondo.
What cabin class options are available on Ontario to Sacramento Intl flights?
There are 1 cabin classes available to choose from on Ontario to Sacramento Intl 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 Sacramento flights?
No. A direct flight is the cheapest option for a flight between Ontario to Sacramento.
How have Ontario to Sacramento flight prices changed over time?
As of July 2025, prices for Ontario to Sacramento flights are approximately 78% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Ontario to Sacramento Intl?
Frontier, Southwest, and Delta are the most popular carriers operating from Ontario to Sacramento Intl
What airlines fly to Sacramento?
Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Sacramento from Ontario according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sacramento. Keep in mind that there are 11 different airlines that fly to Sacramento on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to Sacramento on average per day?
3 flights are operational daily from Ontario to Sacramento as of July 2025. The most popular departure time for this route is 6:00PM, with 31% of flights per day taking off at noon.
How many flights depart from Ontario to Sacramento on average per week?
As of July 2025, 26 flights take off from Ontario and land in Sacramento each week. The most common flight departure day for this route is Mon, with 27% of weekly flights taking off on this day.
When to book flights from Ontario to Sacramento
Cheap Ontario to Sacramento (ONT to SMF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Sacramento
How far is Ontario to Sacramento Intl by plane?
The straight-line distance from Ontario to Sacramento Intl is 378.1 mi. 1h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Sacramento Intl Airport?
Prices for flights from Ontario Airport to Sacramento Intl Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Sacramento Intl Airport?
The number of operators available for flights from Ontario Airport to Sacramento Intl Airport is 3 as of July 2025.
How old do you have to be to fly from Ontario Airport to Sacramento Intl 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 Sacramento Intl Airport.
What documentation or ID do you need to fly to Sacramento Intl Airport?
The necessary travel and health documents for your Sacramento Intl 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.
What is the most popular plane model from Ontario to Sacramento?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ontario to Sacramento is Boeing 737 MAX 8 (25.42% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (23.54%), Boeing 737-700 Passenger/BBJ1 (winglets) (21.67%), and Embraer 175 (5.42%).
What is the most popular airline from Ontario to Sacramento?
momondo data reveals that the most frequently booked airline on the route from Ontario to Sacramento is Frontier, representing 57% of all bookings. The subsequent popular airlines are Southwest at 42% and United Airlines at 1%.
Best airlines flying from Ontario to Sacramento
Compare and see reviews for airlines that fly from Ontario to Sacramento with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $43 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $186 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 8.0 4,270 reviews |
Southwest Flights From Ontario to Sacramento
Southwest flight deals from Ontario to Sacramento start from $197 round-trip. Over the 26 Southwest flights for this route in a normal week, average airfare is usually $267 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Sacramento?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Sacramento. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Sacramento with flexible booking policies on momondo?
All flight searches from Ontario to Sacramento on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Sacramento?
Once all potential Ontario to Sacramento flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Sacramento right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Sacramento now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sacramento and let you know when they change.