HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$88+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ONT
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sacramento to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Sacramento Intl to Ontario are usually found in September or August, booked 46 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 mayo 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$185
(Southwest)

One-way from

$88
(Southwest)

Popular in

April

Cheapest in

September

Average price

$217
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. 22% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 mayo 1, 2025.

This CheapOair deal was found by Cheapflights users on 4/28. 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.
vie. 5/911:56 amSMF - ONT
1 stop12h 03mFrontier
dom. 5/1812:59 amONT - SMF
1 stop10h 07mFrontier
Deal found 4/28$181
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 9/27:00 pmSMF - ONT
1 stop4h 43mDelta
mar. 9/99:55 amONT - SMF
1 stop6h 08mDelta
Deal found 4/29$185
This Southwest deal was found by Cheapflights users on 4/29. 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.
mar. 5/206:40 amSMF - ONT
Nonstop1h 20mSouthwest
jue. 5/223:10 pmONT - SMF
Nonstop1h 25mSouthwest
Deal found 4/29$186
This United Airlines deal was found by Cheapflights users on 4/28. 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.
mié. 6/42:30 pmSMF - ONT
1 stop3h 09mUnited Airlines
vie. 6/66:00 amONT - SMF
1 stop3h 21mUnited Airlines
Deal found 4/28$216
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/2712:56 pmSMF - ONT
1 stop5h 29mAlaska Airlines
mar. 6/36:00 amONT - SMF
2 stops10h 16mAlaska Airlines
Deal found 4/29$268
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/42:55 pmSMF - ONT
1 stop7h 51mMultiple Airlines
jue. 6/512:59 amONT - SMF
1 stop10h 24mMultiple Airlines
Deal found 4/28$282
This American Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 6/276:00 amSMF - ONT
2 stops12h 12mAmerican Airlines
dom. 6/296:23 amONT - SMF
1 stop5h 42mAmerican Airlines
Deal found 4/29$493

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 mayo 1, 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

mar. 6/24

6:55 am-11:00 am

1 stop4h 05m

Ontario

mar. 6/24

4:25 pm-5:50 pm

Nonstop1h 25m

$185

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

lun. 5/12

12:01 pm-11:59 pm

1 stop11h 58m

Ontario

jue. 5/15

10:52 am-12:28 pm

1 stop25h 36m

$191

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

lun. 6/2

7:00 pm-11:42 pm

1 stop4h 42m

Ontario

mar. 6/3

6:00 am-12:32 pm

1 stop6h 32m

$196

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

mié. 5/28

6:10 am-12:14 pm

1 stop6h 04m

Ontario

mié. 6/4

6:00 am-9:21 am

1 stop3h 21m

$255

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

mié. 5/28

12:56 pm-6:25 pm

1 stop5h 29m

Ontario

sáb. 5/31

4:45 pm-11:37 pm

1 stop6h 52m

$262

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

vie. 5/30

5:00 pm-9:17 am

2 stops16h 17m

Ontario

dom. 6/1

12:59 am-11:23 am

1 stop10h 24m

$283

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

jue. 6/12

6:00 am-6:12 pm

2 stops12h 12m

Ontario

dom. 6/15

6:23 am-6:01 pm

2 stops11h 38m

$627

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

mié. 6/11

6:15 am-7:35 am

Nonstop1h 20m

$88

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

mié. 6/11

5:40 am-12:17 pm

1 stop6h 37m

$93

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

mié. 5/28

2:30 pm-5:39 pm

1 stop3h 09m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 12 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*3 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Sacramento-Ontario flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 April 25, 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 $328). 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 mayo 1, 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 65% versus a flight in the evening.

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 30, 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 mayo 1, 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
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 5 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 22 times in the past calendar month.

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

    Flying on Southwest is currently your cheapest option to Ontario, with prices starting at $185. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $191 and $196, respectively. Southwest is priced at 5% 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 Southwest, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from Delta and American Airlines, 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 $272, our data indicates the cheapest price to be $98. The most popular route (Sacramento Intl - Ontario), is priced around $185.

  • 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 $328). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sacramento to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
San Jose to Los Angeles flights
San Francisco to Los Angeles flights
Los Angeles to Las Vegas flights
Los Angeles to San Francisco flights
Oakland to Los Angeles flights
Los Angeles to San Jose flights
Burbank to Las Vegas flights
Santa Ana to Las Vegas flights
San Francisco to Ontario flights
San Jose to Las Vegas flights
Oakland to Las Vegas flights
Los Angeles to Oakland flights
Oakland to Santa Ana flights
San Francisco to Las Vegas flights
San Francisco to Santa Ana flights
Santa Ana to Oakland flights
Ontario to San Francisco flights
Oakland to Burbank flights
Santa Ana to San Francisco flights
Oakland to San Diego flights
San Jose to Santa Ana flights
Burbank to Oakland flights
San Francisco to Burbank flights
San Francisco to San Diego flights
San Jose to San Diego flights
Ontario to Las Vegas flights
Sacramento to Los Angeles flights
Los Angeles to Sacramento flights
Burbank to San Francisco flights
San Diego to San Francisco flights
Santa Ana to San Jose flights
Sacramento to Las Vegas flights
San Diego to Las Vegas flights
Las Vegas to Los Angeles flights
Sacramento to San Diego flights
San Francisco to Palm Springs flights
San Jose to Burbank flights
San Diego to San Jose flights
Los Angeles to Reno flights
Santa Ana to Sacramento flights
Burbank to San Jose flights
Stockton to Las Vegas flights
Sacramento to Burbank flights
San Diego to Oakland flights
San Diego to Sacramento flights
Las Vegas to Santa Ana flights
Burbank to Sacramento flights
Santa Rosa to Las Vegas flights
Sacramento to Santa Ana flights
Las Vegas to Burbank flights

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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$100FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$133FlexibilityNo cancel feeOn-time65%
DeltaCheapest$90Average$182FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$195Average$280FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$252Average$372FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.