Cheap flights from Ontario to San Francisco from $50
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 11/25. 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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Our best Southwest deals on Ontario to Sacramento flight tickets
Frontier flights from Ontario to Sacramento
Our best Frontier deals on Ontario to Sacramento flight tickets
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Fly from
Fly to
Route
Depart
Return
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Mon 11/23
3:55 pm-5:31 pm
Nonstop1h 36m
Sacramento Intl
Mon 11/30
8:36 am-10:00 am
Nonstop1h 24m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Thu 11/5
4:25 pm-5:50 pm
Nonstop1h 25m
Sacramento Intl
Mon 11/9
8:25 pm-11:40 pm
1 stop3h 15m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Sat 11/7
6:50 am-8:15 am
Nonstop1h 25m
Sacramento Intl
Mon 11/9
8:25 pm-11:40 pm
1 stop3h 15m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Sat 11/21
8:15 am-4:16 pm
1 stop8h 01m
Sacramento Intl
Mon 11/23
8:36 am-10:00 am
Nonstop1h 24m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Tue 12/29
10:05 am-8:40 am
1 stop22h 35m
Sacramento Intl
Tue 1/5
11:16 am-7:07 am
1 stop19h 51m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Thu 11/12
1:00 pm-2:30 pm
Nonstop1h 30m
Sacramento Intl
Mon 11/16
9:00 am-10:30 am
Nonstop1h 30m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Thu 11/5
5:03 pm-10:30 pm
1 stop5h 27m
Sacramento Intl
Mon 11/9
7:15 pm-11:49 pm
1 stop4h 34m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Thu 11/5
6:00 am-12:20 pm
1 stop6h 20m
Sacramento Intl
Mon 11/9
7:15 pm-11:49 pm
1 stop4h 34m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Fri 12/11
6:00 am-9:26 am
1 stop3h 26m
Sacramento Intl
Fri 12/11
2:15 pm-8:38 pm
1 stop6h 23m
OntarioSacramento
ONT Ontario - SMF Sacramento Intl
ONTSMF
Ontario
Sun 1/10
7:25 am-1:43 pm
1 stop6h 18m
Sacramento Intl
Mon 1/11
2:18 pm-5:35 pm
1 stop3h 17m
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 typical price of a round-trip flight between Ontario and Sacramento?
Prices are currently low for flights on this route.
Typical prices usually range from $219 to $387.The lowest price recently found on this route was $214.
What is the cheapest month to fly to Sacramento?
The month of May is, on average, the cheapest month to fly to Sacramento from Ontario, with most prices found around $267. If you are unable to visit Sacramento during the month of May, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $303.
What is the cheapest day to depart on your flight to Sacramento?
The cheapest day to depart from Ontario to Sacramento is on a Thursday when prices can be found for as low as $196. Flights from Ontario to Sacramento on a Wednesday will generally be more expensive and average around $218. 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 afternoon. momondo users have found flights departing from Ontario to Sacramento in the afternoon for as low as $188. 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 $231. 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 from Ontario 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 $340 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 $182 on momondo.
What cabin class options are available on Ontario to Sacramento flights?
There is only 1 cabin class available to choose from on Ontario to Sacramento flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to Sacramento Intl?
Delta, Southwest, and United Airlines are the most popular carriers operating from Ontario to Sacramento Intl
What airlines fly to Sacramento?
United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Sacramento from Ontario according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Sacramento. Keep in mind that there are 10 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?
5 flights are operational daily from Ontario to Sacramento as of October 2026. The most popular departure time for this route is 4:00PM, with 44% of flights per day taking off at noon.
How many flights depart from Ontario to Sacramento on average per week?
As of October 2026, 36 flights take off from Ontario and land in Sacramento each week. The most common flight departure day for this route is Mon, with 22% 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
Frequently asked questions about flying 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 25m 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 October 2026.
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 (28.18% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (24.00%), Embraer 175 (Enhanced Winglets) (9.27%), and Airbus A320neo (5.64%).
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 Southwest, representing 90% of all bookings. The subsequent popular airlines are Frontier at 6% and United Airlines at 4%.
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 $77 | Free Cancellation | Rating 5.6 2,551 reviews | |||
| PriceFrom $201 | Free Cancellation | Rating 7.9 4,225 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.4 10,328 reviews |
Southwest Flights From Ontario to Sacramento
Southwest flight deals from Ontario to Sacramento start from $201 round-trip. Over the 36 Southwest flights for this route in a normal week, average airfare is usually $332 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.