$80 Cheap Flights from Sacramento (SMF) to Ontario (ONT)

View $80 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Sacramento to Ontario (SMF-ONT)

Prices were available within the past 7 days and start at $80 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Nov 3 - Wed, Nov 5
SMF
Sacramento
ONT
Ontario
$124 Roundtrip, found 5 days ago
$124
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Mon, Nov 3 from Sacramento to Ontario, returning Wed, Nov 5, priced at $124 found 5 days ago
Southwest Airlines
Mon, Nov 3 - Wed, Nov 5
SMF
Sacramento
ONT
Ontario
$129 Roundtrip, found 5 days ago
$129
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Mon, Nov 3 from Sacramento to Ontario, returning Wed, Nov 5, priced at $129 found 5 days ago
Southwest Airlines
Wed, Oct 1 - Mon, Oct 6
SMF
Sacramento
ONT
Ontario
$134 Roundtrip, found 5 days ago
$134
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Oct 1 from Sacramento to Ontario, returning Mon, Oct 6, priced at $134 found 5 days ago
Southwest Airlines
Wed, Sep 17 - Sat, Sep 20
SMF
Sacramento
ONT
Ontario
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Sacramento to Ontario, returning Sat, Sep 20, priced at $139 found 5 days ago
Southwest Airlines
Mon, Nov 3 - Wed, Nov 5
SMF
Sacramento
ONT
Ontario
$139 Roundtrip, found 5 days ago
$139
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Mon, Nov 3 from Sacramento to Ontario, returning Wed, Nov 5, priced at $139 found 5 days ago
Southwest Airlines
Wed, Sep 17 - Sat, Sep 20
SMF
Sacramento
ONT
Ontario
$146 Roundtrip, found 5 days ago
$146
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Sep 17 from Sacramento to Ontario, returning Sat, Sep 20, priced at $146 found 5 days ago
United
Tue, Oct 21 - Tue, Oct 28
SMF
Sacramento
ONT
Ontario
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Tue, Oct 21 from Sacramento to Ontario, returning Tue, Oct 28, priced at $159 just found
Delta
Sat, Aug 16 - Mon, Aug 18
SMF
Sacramento
ONT
Ontario
$174 Roundtrip, found 1 hour ago
$174
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 16 from Sacramento to Ontario, returning Mon, Aug 18, priced at $174 found 1 hour ago
Frontier Airlines
Sun, Aug 10 - Mon, Aug 18
SMF
Sacramento
ONT
Ontario
$210 Roundtrip, found 17 hours ago
$210
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sun, Aug 10 from Sacramento to Ontario, returning Mon, Aug 18, priced at $210 found 17 hours ago
American Airlines
Fri, Aug 22 - Sun, Aug 24
SMF
Sacramento
ONT
Ontario
$259 Roundtrip, just found
$259
Roundtrip
just found
Select American Airlines flight, departing Fri, Aug 22 from Sacramento to Ontario, returning Sun, Aug 24, priced at $259 just found

Find the cheapest month to fly from Sacramento (SMF) to Ontario (ONT)

September is typically the cheapest month to fly

From $48 - $258 per traveler.

Graph displaying average flight prices per month

Flights from Sacramento (SMF) to Ontario (ONT)
Origin airport
Sacramento Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$124
Distance
389 mi
Average flight time
1 hour 35 mins

Sacramento to Ontario Flights

The cheapest times to fly from Sacramento to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sacramento to Ontario are during the month of November. You can find some of the cheapest flights from Sacramento to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sacramento to Ontario

Sunday is one of the best days to book for cheap flights from Sacramento to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sacramento to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sacramento to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sacramento to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sacramento to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) cost?
You can find cheap return flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) starting from $108. Reserve your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SMF on August 9 2025 and touching down at ONT. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from SMF to ONT?
The cheapest flights from SMF to ONT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
Fly directly from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) on a Southwest Airlines flight.
What is the cheapest airline that flies from SMF to ONT?
Currently, the cheapest carrier operating one-way flights from SMF to ONT is Southwest Airlines. You can jet off on this route from $62. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SMF on September 4 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
With an average of 5 direct flights departing from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
The 7 AM departures from SMF to ONT see the highest demand. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from SMF to ONT?
If you depart on a Friday, you'll get the greatest range of options for flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT).
What is the earliest flight from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
The first flight of the day departing from Sacramento Intl. Airport (SMF) is at around 6:20AM UTC-8. Board this flight and you'll arrive at Los Angeles - Ontario Intl. Airport (ONT) at approximately 7:45AM UTC-8. The total travel time is 1h 25m.
How long does it take to fly from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
It takes about 1 hour and 24 minutes to cover the 390 mi from SMF to ONT.
What airline has the least delays from SMF to ONT?
With 91% of journeys generally landing on time, Southwest Airlines has the best on-time performance for direct flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT). To monitor your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Sacramento Intl. Airport (SMF)?
A direct flight from Sacramento Intl. Airport (SMF) will fly you straight to one of these airports in Ontario:

  • Los Angeles Intl. Airport (LAX)
  • John Wayne Airport (SNA)
  • Bob Hope Airport (BUR)
  • Los Angeles - Ontario Intl. Airport (ONT)
  • Long Beach Municipal Airport (LGB)

Is it cheaper to buy a plane ticket from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from SMF to ONT are typically more expensive. To lock in the lowest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a SMF to ONT flight and hotel package?
Compared with arranging flights and hotels separately, booking a SMF to ONT flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
If you booked your SMF to ONT flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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