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$79+ Cheap flights from Sacramento to Ontario (SMF - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ONT
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Sacramento Intl to Ontario are usually found in September or August, booked 71 days in advance, depart on a Monday or Thursday and return on a Saturday

Cheap flight deals from Sacramento to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(CheapOair)

One-way from

$79
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$277
Provider with most accurate pricing for Sacramento Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-Ontario flights.
Search Deals
From Sacramento Intl to Ontario
Search Deals
One-way flight from Sacramento Intl to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Sacramento to Ontario

Cheapest flights from Sacramento to Ontario
Explore the most affordable flight options available from Sacramento to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This CheapOair deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:06 pmSMF - ONT
1 stop6h 43mFrontier
Wed 4/93:17 pmONT - SMF
1 stop21h 15mFrontier
Deal found 3/24$182
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/204:10 pmSMF - ONT
1 stop4h 24mUnited Airlines
Sun 5/251:36 pmONT - SMF
1 stop6h 02mUnited Airlines
Deal found 3/24$184
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1910:20 amSMF - ONT
Nonstop1h 25mSouthwest
Sun 4/208:50 pmONT - SMF
Nonstop1h 25mSouthwest
Deal found 3/24$191
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/232:57 pmSMF - ONT
2 stops8h 44mDelta
Wed 4/306:00 amONT - SMF
1 stop6h 19mDelta
Deal found 3/24$222
This Expedia deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:14 pmSMF - ONT
1 stop5h 45mMultiple Airlines
Sat 4/1912:59 amONT - SMF
1 stop11h 33mMultiple Airlines
Deal found 3/24$296
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1912:58 pmSMF - ONT
1 stop5h 22mAmerican Airlines
Mon 4/2110:00 amONT - SMF
1 stop5h 47mAmerican Airlines
Deal found 3/24$302
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:14 pmSMF - ONT
1 stop5h 45mAlaska Airlines
Mon 4/217:17 pmONT - SMF
1 stop14h 57mAlaska Airlines
Deal found 3/24$352
This lastminute.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:39 pmSMF - ONT
1 stop5h 20mHawaiian Airlines
Mon 4/217:17 pmONT - SMF
1 stop14h 57mHawaiian Airlines
Deal found 3/24$486

Cheapflights Fare Finder

Customize your flight search to find flights from Sacramento to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Sacramento to Ontario that are best for you.

Fly from

Sacramento

Fly to

Ontario

Route

Depart

Return

Price

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Tue 4/8

2:06 pm-8:49 pm

1 stop6h 43m

Ontario

Wed 4/9

3:17 pm-12:32 pm

1 stop21h 15m

$182

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Tue 5/20

4:10 pm-8:34 pm

1 stop4h 24m

Ontario

Sun 5/25

1:36 pm-7:38 pm

1 stop6h 02m

$184

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sat 4/19

10:20 am-11:45 am

Nonstop1h 25m

Ontario

Sun 4/20

8:50 pm-10:15 pm

Nonstop1h 25m

$191

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sun 4/20

5:45 am-12:16 pm

1 stop6h 31m

Ontario

Wed 4/23

5:15 pm-11:43 pm

1 stop6h 28m

$214

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sat 4/19

12:58 pm-6:20 pm

1 stop5h 22m

Ontario

Mon 4/21

12:50 pm-6:36 pm

1 stop5h 46m

$254

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Fri 4/18

6:14 pm-11:59 pm

1 stop5h 45m

Ontario

Sat 4/19

12:59 am-12:32 pm

1 stop11h 33m

$296

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Wed 4/16

7:00 am-11:59 pm

1 stop16h 59m

Ontario

Thu 4/17

6:00 am-2:24 pm

2 stops8h 24m

$329

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sat 4/19

6:39 pm-11:59 pm

1 stop5h 20m

Ontario

Mon 4/21

7:17 pm-10:14 am

1 stop14h 57m

$486

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Mon 5/12

3:55 pm-8:34 pm

1 stop4h 39m

$79

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sat 5/24

7:05 pm-8:30 pm

Nonstop1h 25m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 13 results
1
2

Compare providers for flights from Sacramento to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to Ontario in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sacramento-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sacramento-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sacramento-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sacramento-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sacramento to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Sacramento with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to Ontario

How far ahead should I book a flight from Sacramento to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Sacramento to Ontario. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Sacramento to Ontario, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sacramento to Ontario?

Currently, August is the cheapest month in which you can book a flight from Sacramento to Ontario (average of $246). Flying from Sacramento to Ontario in March is currently the most expensive (average of $324). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SMF to ONT?

Find hourly flight availability from Sacramento to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

When flying from Sacramento to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 66% versus a flight at noon.

What is the cheapest day to fly from Sacramento to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Sacramento to Ontario. Price data was last updated on March 16, 2025.

Travelers seeking maximum savings on their Sacramento to Ontario flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 25, 2025.
Read through reviews of airlines operating flights from Sacramento to Ontario, such as Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Sacramento to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Sacramento to Ontario?

    If you book a flight from Sacramento to Ontario, you will be flying from Sacramento Intl to Ontario. Flights to Ontario (ONT) from Sacramento Intl (SMF) take 1h 20m for a nonstop flight. There are 4 flights from Sacramento Intl to Ontario per day from 5 airlines.

  • How popular is this Sacramento to Ontario flight route?

    Flights from Sacramento Intl to Ontario have been viewed 18 times in the past calendar month.

  • What are the cheapest airlines flying from Sacramento to Ontario round-trip?

    Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $182. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $184 and $191, respectively. Frontier is priced at 8% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sacramento to Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $79. However, be on the lookout for offers from Southwest and Frontier, as they are both options that can get you from Sacramento to Ontario for a low price.

  • What are the cheapest flights from Sacramento to Ontario?

    Looking for the cheapest flight from Sacramento to Ontario? While on average our users pay $258, our data indicates the cheapest price to be $95. The most popular route (Sacramento Intl - Ontario), is priced around $163.

  • Can I find deals for flights from Sacramento to Ontario that include hotel bookings?

    Yes. In addition to deals on Sacramento to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to Ontario.

  • Can I find deals for business class flights from Sacramento to Ontario?

    Yes. Cheapflights offers flight deals from Sacramento to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sacramento to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Sacramento to Ontario (average of $246). Flying from Sacramento to Ontario in March is currently the most expensive (average of $324). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Sacramento to Ontario

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Top 5 airlines flying from Sacramento to Ontario

Discover the top 5 airlines that operate flights from Sacramento to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$100FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$133FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$297FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$280FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$252Average$389FlexibilityNo cancel feeOn-time69%
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