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Cheap flights from Sacramento to Los Angeles from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sacramento to Los Angeles departing on 9/16. 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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Find the cheapest flights from Sacramento to Los Angeles (SMF-ONT)

Cheap round-trip flights

Southwest Logo
10:45 am - 12:10 pmSMF-ONT
1h 25mnonstop
Southwest Logo
6:00 am - 7:20 amONT-SMF
1h 20mnonstop
$97Southwest
Find Deal
Wed, Sep 10 - Thu, Sep 11
Southwest Logo
10:45 am - 12:10 pmSMF-ONT
1h 25mnonstop
Southwest Logo
3:30 pm - 11:20 pmONT-SMF
7h 50m1 stop
$107Southwest
Find Deal
Wed, Sep 10 - Thu, Sep 11
Southwest Logo
2:30 pm - 9:00 pmSMF-ONT
6h 30m2 stops
Southwest Logo
8:40 pm - 10:00 pmONT-SMF
1h 20mnonstop
$112Southwest
Find Deal
Wed, Sep 10 - Thu, Sep 11
Frontier Logo
3:40 pm - 7:17 amSMF-ONT
15h 37m1 stop
Frontier Logo
7:30 pm - 4:50 pmONT-SMF
21h 20m1 stop
$143Frontier
Find Deal
Sun, Sep 7 - Thu, Sep 25
Frontier Logo
3:11 pm - 7:17 amSMF-ONT
16h 06m1 stop
Frontier Logo
6:00 am - 4:50 pmONT-SMF
10h 50m1 stop
$144Frontier
Find Deal
Sun, Sep 28 - Thu, Oct 2
Logo
6:30 am - 12:43 pmSMF-ONT
6h 13m1 stop
Logo
10:28 pm - 8:38 amONT-SMF
10h 10m1 stop
$153
Find Deal
Sat, Sep 27 - Mon, Sep 29
Logo
9:33 am - 8:56 pmSMF-ONT
11h 23m1 stop
Logo
2:45 pm - 8:38 amONT-SMF
17h 53m1 stop
$156
Find Deal
Mon, Sep 15 - Mon, Sep 22
Delta Logo
7:05 pm - 11:42 pmSMF-ONT
4h 37m1 stop
Delta Logo
4:40 pm - 11:43 pmONT-SMF
7h 03m1 stop
$180Delta
Find Deal
Fri, Sep 12 - Mon, Sep 15
United Airlines Logo
2:30 pm - 5:37 pmSMF-ONT
3h 07m1 stop
United Airlines Logo
6:00 am - 9:25 amONT-SMF
3h 25m1 stop
$217United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
7:40 am - 12:13 pmSMF-ONT
4h 33m1 stop
United Airlines Logo
6:51 pm - 9:46 pmONT-SMF
2h 55m1 stop
$230United Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4

Frontier flights from Sacramento to Ontario

Our best Frontier deals on Sacramento to Ontario flight tickets
Frontier
Sep 7
SMF3:40 pmSacramento Intl
15h 37m
1 stop
ONT7:17 amOntario
Sep 25
ONT7:30 pmOntario
21h 20m
1 stop
SMF4:50 pmSacramento Intl
$143
Find similar
Frontier
Sep 28
SMF3:11 pmSacramento Intl
16h 06m
1 stop
ONT7:17 amOntario
Oct 2
ONT6:00 amOntario
10h 50m
1 stop
SMF4:50 pmSacramento Intl
$144
Find similar
Frontier
Sep 8
SMF12:06 pmSacramento Intl
7h 48m
1 stop
ONT7:54 pmOntario
Sep 11
ONT7:30 pmOntario
21h 00m
1 stop
SMF4:30 pmSacramento Intl
$145
Find similar

Southwest flights from Sacramento to Ontario

Our best Southwest deals on Sacramento to Ontario flight tickets
Southwest
Sep 10
SMF10:45 amSacramento Intl
1h 25m
ONT12:10 pmOntario
Sep 11
ONT6:00 amOntario
1h 20m
SMF7:20 amSacramento Intl
$97
Find similar
Southwest
Sep 10
SMF10:45 amSacramento Intl
1h 25m
ONT12:10 pmOntario
Sep 11
ONT3:30 pmOntario
7h 50m
1 stop
SMF11:20 pmSacramento Intl
$107
Find similar
Southwest
Sep 10
SMF2:30 pmSacramento Intl
6h 30m
2 stops
ONT9:00 pmOntario
Sep 11
ONT8:40 pmOntario
1h 20m
SMF10:00 pmSacramento Intl
$112
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Sacramento to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Wed 9/10

10:45 am-12:10 pm

Nonstop1h 25m

Ontario

Thu 9/11

6:00 am-7:20 am

Nonstop1h 20m

$97

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Wed 9/10

10:45 am-12:10 pm

Nonstop1h 25m

Ontario

Thu 9/11

3:30 pm-11:20 pm

1 stop7h 50m

$107

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Wed 9/10

2:30 pm-9:00 pm

2 stops6h 30m

Ontario

Thu 9/11

8:40 pm-10:00 pm

Nonstop1h 20m

$112

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sun 9/7

3:40 pm-7:17 am

1 stop15h 37m

Ontario

Thu 9/25

7:30 pm-4:50 pm

1 stop21h 20m

$143

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sun 9/28

3:11 pm-7:17 am

1 stop16h 06m

Ontario

Thu 10/2

6:00 am-4:50 pm

1 stop10h 50m

$144

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Sat 9/27

6:30 am-12:43 pm

1 stop6h 13m

Ontario

Mon 9/29

10:28 pm-8:38 am

1 stop10h 10m

$153

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Mon 9/15

9:33 am-8:56 pm

1 stop11h 23m

Ontario

Mon 9/22

2:45 pm-8:38 am

1 stop17h 53m

$156

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Fri 9/12

7:05 pm-11:42 pm

1 stop4h 37m

Ontario

Mon 9/15

4:40 pm-11:43 pm

1 stop7h 03m

$180

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Tue 9/16

2:30 pm-5:37 pm

1 stop3h 07m

Ontario

Tue 9/23

6:00 am-9:25 am

1 stop3h 25m

$217

SacramentoOntario

SMF - ONT

SMFONT

Sacramento Intl

Wed 10/1

7:40 am-12:13 pm

1 stop4h 33m

Ontario

Sat 10/4

6:51 pm-9:46 pm

1 stop2h 55m

$230

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Sacramento to Ontario

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 cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from Sacramento to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $101. If you aren’t able to travel during the month of October, then book flights to Ontario from Sacramento during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $106.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $99. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Sacramento to Ontario for around $147.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Sacramento to Ontario when you can find flight prices for as low as $105. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $155 on average. Flights to Ontario from Sacramento in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Sacramento Intl to Ontario flight route?

Fly from Sacramento Intl to Ontario for the best Sacramento Intl - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $223 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Sacramento for as low as $66 on momondo.

What cabin class options are available on Sacramento Intl to Ontario flights?

There are 1 cabin classes available to choose from on Sacramento Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sacramento to Ontario flight prices changed over time?

As of August 2025, prices for Sacramento to Ontario flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Sacramento to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Sacramento to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sacramento to Ontario (SMF to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to Ontario

Best Price Found

$39

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Sacramento in the past 72 hours is $39. The best round-trip flight deal from Sacramento to Ontario found on momondo in the last 72 hours is $97.
The fastest flight from Sacramento to Ontario takes 1h 20m
Direct flights go from Sacramento to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)
Search flight deals

  • How far is Sacramento Intl to Ontario by plane?

    A flight from Sacramento Intl to Ontario will travel around 378.1 mi. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sacramento Intl Airport to Ontario Airport?

    Prices for flights from Sacramento Intl Airport to Ontario Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sacramento Intl Airport to Ontario Airport?

  • How old do you have to be to fly from Sacramento Intl Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Sacramento to Ontario?

  • What is the most popular airline from Sacramento to Ontario?

Best airlines flying from Sacramento to Ontario

Compare and see reviews for airlines that fly from Sacramento to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $38Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Southwest Flights From Sacramento to Ontario

    Across 34 Southwest flights from Sacramento to Ontario this week, the average price was $279, with the best Southwest deals starting from $186 round-trip. 4,246 users have rated Southwest on momondo, with an average score of 8.0/10.

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sacramento to Ontario for you.

Can I find flights from Sacramento to Ontario with flexible booking policies on momondo?

Flights from Sacramento to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sacramento to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sacramento to Ontario.

I’m not ready to book a flight from Sacramento to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Sacramento. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario trip

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