$89 Cheap Flights from Ontario (ONT) to Sacramento (SMF)

View $89 flight on Thu, Aug 28, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Today's featured flight deals from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Ontario to Sacramento (ONT-SMF)

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Aug 23 - Tue, Aug 26
ONT
Ontario
SMF
Sacramento
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Aug 23 from Ontario to Sacramento, returning Tue, Aug 26, priced at $177 just found
Frontier Airlines
Wed, Aug 6 - Thu, Aug 28
ONT
Ontario
SMF
Sacramento
$178 Roundtrip, just found
$178
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 6 from Ontario to Sacramento, returning Thu, Aug 28, priced at $178 just found
Frontier Airlines
Thu, Aug 28 - Sun, Aug 31
ONT
Ontario
SMF
Sacramento
$183 Roundtrip, just found
$183
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 28 from Ontario to Sacramento, returning Sun, Aug 31, priced at $183 just found
Southwest Airlines
Thu, Aug 28 - Sun, Aug 31
ONT
Ontario
SMF
Sacramento
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Aug 28 from Ontario to Sacramento, returning Sun, Aug 31, priced at $186 just found
Delta
Tue, Sep 16 - Tue, Sep 23
ONT
Ontario
SMF
Sacramento
$187 Roundtrip, found 1 hour ago
$187
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 16 from Ontario to Sacramento, returning Tue, Sep 23, priced at $187 found 1 hour ago
United
Sat, Aug 23 - Tue, Aug 26
ONT
Ontario
SMF
Sacramento
$187 Roundtrip, just found
$187
Roundtrip
just found
Select United flight, departing Sat, Aug 23 from Ontario to Sacramento, returning Tue, Aug 26, priced at $187 just found
Southwest Airlines
Mon, Nov 17 - Thu, Nov 20
ONT
Ontario
SMF
Sacramento
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Mon, Nov 17 from Ontario to Sacramento, returning Thu, Nov 20, priced at $187 found 1 day ago
Frontier Airlines
Thu, Aug 7 - Thu, Aug 28
ONT
Ontario
SMF
Sacramento
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 7 from Ontario to Sacramento, returning Thu, Aug 28, priced at $188 just found
United
Sat, Aug 23 - Sun, Aug 24
ONT
Ontario
SMF
Sacramento
$191 Roundtrip, found 1 hour ago
$191
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 23 from Ontario to Sacramento, returning Sun, Aug 24, priced at $191 found 1 hour ago
Hawaiian Airlines
Tue, Sep 2 - Tue, Sep 9
ONT
Ontario
SMF
Sacramento
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from Ontario to Sacramento, returning Tue, Sep 9, priced at $243 found 4 days ago

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

September is typically the cheapest month to fly

From $48 - $246 per traveler.

Graph displaying average flight prices per month

Alternative airports near Sacramento

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sacramento Intl. SMF. Cheapest option available. Average driving time to city center is 15 minutes. Flights from $267
SMF
Sacramento Intl.
Cheapest
Average driving time to city center15 min
Flights from $267
Flights from Ontario (ONT) to Sacramento (SMF)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Sacramento Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$177
Distance
389 mi
Average flight time
1 hour 22 mins

Ontario to Sacramento Flights

The cheapest times to fly from Ontario to Sacramento

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 Ontario to Sacramento are during the month of August. You can find some of the cheapest flights from Ontario to Sacramento with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Sacramento

Sunday is one of the best days to book for cheap flights from Ontario to Sacramento: 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 Ontario to Sacramento

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 Ontario to Sacramento in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Ontario to Sacramento 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 Ontario to Sacramento 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 Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF) cost?
Score cheap return fares from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF) starting at $126. Snag a seat and get ready for takeoff. 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 ONT on August 19 2025 and touching down at SMF. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ONT to SMF?
The cheapest flights from ONT to SMF 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 Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
When setting off from Los Angeles - Ontario Intl. Airport (ONT), you can get on a direct flight to Sacramento Intl. Airport (SMF) with Southwest Airlines.
What is the cheapest airline that flies from ONT to SMF?
Currently, the cheapest airline operating one-way flights from ONT to SMF is Southwest Airlines. You can book a seat on this route from $88. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ONT on October 7 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
When jetting out of Los Angeles - Ontario Intl. Airport (ONT), you can take your pick from an average of 5 daily direct flights to Sacramento Intl. Airport (SMF).
What are the most popular departure times for flights from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
The 7 AM departures from ONT to SMF are the top choice for many travelers. Prices can be higher for these popular slots. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from ONT to SMF?
If you jet off on a Friday, you'll get the biggest range of options for flights from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF).
What is the earliest flight from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
The earliest flight leaving Los Angeles - Ontario Intl. Airport (ONT) is at around 7:25AM UTC-8. Board this flight and you'll arrive at Sacramento Intl. Airport (SMF) at approximately 8:55AM UTC-8. The total time in the air is 1h 30m.
How long does it take to fly from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
The average flight duration from ONT to SMF is 1 hour and 28 minutes, covering a total distance of 390 mi.
What airline has the least delays from ONT to SMF?
With 86% of journeys generally arriving on time, Southwest Airlines has the best on-time performance for direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF). To monitor your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF) route, aim to travel before 3 PM. Departures 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 Sacramento from Los Angeles - Ontario Intl. Airport (ONT)?
Sacramento Intl. Airport (SMF) is the only airport in Sacramento with direct flights from Los Angeles - Ontario Intl. Airport (ONT). Consider the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF) last-minute?
Holding off until just before your trip to book your flight from ONT to SMF often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book an ONT to SMF flight and hotel package?
Securing an ONT to SMF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Sacramento Intl. Airport (SMF)?
If you reserved your ONT to SMF flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Explore a world of travel with Expedia

*Available to One Key members.