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Cheap flights from Ontario to San Francisco from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 2/28. 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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0 bags

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Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:09 pm - 7:48 am
ONT
-
SMF
11h 39m
1 stop
Frontier Logo
8:53 am - 1:11 pm
SMF
-
ONT
4h 18m
1 stop
$159Frontier
Sat, Feb 28 - Mon, Mar 2
Frontier Logo
9:43 pm - 11:47 am
ONT
-
SMF
14h 04m
1 stop
Frontier Logo
8:53 am - 1:11 pm
SMF
-
ONT
4h 18m
1 stop
$160Frontier
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
2:06 pm - 7:48 am
ONT
-
SMF
17h 42m
1 stop
Frontier Logo
8:53 am - 1:11 pm
SMF
-
ONT
4h 18m
1 stop
$165Frontier
Sat, Feb 28 - Mon, Mar 2
Frontier Logo
7:22 pm - 8:13 am
ONT
-
SMF
12h 51m
1 stop
Frontier Logo
4:41 pm - 11:59 pm
SMF
-
ONT
7h 18m
1 stop
$172Frontier
Thu, Mar 5 - Sun, Mar 8
Delta Logo
5:05 pm - 11:30 pm
ONT
-
SMF
6h 25m
1 stop
Delta Logo
5:14 pm - 11:44 pm
SMF
-
ONT
6h 30m
1 stop
$179Delta
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
12:59 am - 10:57 am
ONT
-
SMF
9h 58m
1 stop
Frontier Logo
12:04 pm - 11:55 pm
SMF
-
ONT
11h 51m
1 stop
$181Frontier
Sun, Apr 19 - Thu, Apr 30
Frontier Logo
2:06 pm - 7:48 am
ONT
-
SMF
17h 42m
1 stop
Frontier Logo
10:53 am - 11:59 pm
SMF
-
ONT
13h 06m
1 stop
$186Frontier
Sat, Feb 28 - Mon, Mar 2
Frontier Logo
9:43 pm - 11:47 am
ONT
-
SMF
14h 04m
1 stop
Frontier Logo
8:43 am - 1:11 pm
SMF
-
ONT
4h 28m
1 stop
$188Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
10:03 pm - 8:13 am
ONT
-
SMF
10h 10m
1 stop
Frontier Logo
4:51 pm - 11:59 pm
SMF
-
ONT
7h 08m
1 stop
$189Frontier
Wed, Mar 11 - Thu, Mar 19
Delta Logo
5:05 pm - 11:30 pm
ONT
-
SMF
6h 25m
1 stop
Delta Logo
5:45 pm - 10:43 pm
SMF
-
ONT
4h 58m
1 stop
$191Delta
Tue, Apr 14 - Sat, Apr 18

Frontier flights from Ontario to Sacramento

Our best Frontier deals on Ontario to Sacramento flight tickets
Frontier
Feb 28
ONT8:09 pmOntario
11h 39m
1 stop
SMF7:48 amSacramento Intl
Mar 2
SMF8:53 amSacramento Intl
4h 18m
1 stop
ONT1:11 pmOntario
$159
Frontier
Feb 27
ONT9:43 pmOntario
14h 04m
1 stop
SMF11:47 amSacramento Intl
Mar 2
SMF8:53 amSacramento Intl
4h 18m
1 stop
ONT1:11 pmOntario
$160
Frontier
Mar 5
ONT7:22 pmOntario
12h 51m
1 stop
SMF8:13 amSacramento Intl
Mar 8
SMF4:41 pmSacramento Intl
7h 18m
1 stop
ONT11:59 pmOntario
$172

Delta flights from Ontario to Sacramento

Our best Delta deals on Ontario to Sacramento flight tickets
Delta
Apr 14
ONT5:05 pmOntario
6h 25m
1 stop
SMF11:30 pmSacramento Intl
Apr 21
SMF5:14 pmSacramento Intl
6h 30m
1 stop
ONT11:44 pmOntario
$179
Delta
Apr 14
ONT5:05 pmOntario
6h 25m
1 stop
SMF11:30 pmSacramento Intl
Apr 18
SMF5:45 pmSacramento Intl
4h 58m
1 stop
ONT10:43 pmOntario
$191
Delta
May 13
ONT9:50 amOntario
6h 22m
1 stop
SMF4:12 pmSacramento Intl
May 16
SMF5:45 pmSacramento Intl
5h 00m
1 stop
ONT10:45 pmOntario
$201

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Sacramento 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 February 8, 2026.
Use the filters below to find and compare flights from Ontario to Sacramento that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sat 2/28

8:09 pm-7:48 am

1 stop11h 39m

Sacramento Intl

Mon 3/2

8:53 am-1:11 pm

1 stop4h 18m

$159

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Fri 2/27

9:43 pm-11:47 am

1 stop14h 04m

Sacramento Intl

Mon 3/2

8:53 am-1:11 pm

1 stop4h 18m

$160

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sat 2/28

2:06 pm-7:48 am

1 stop17h 42m

Sacramento Intl

Mon 3/2

8:53 am-1:11 pm

1 stop4h 18m

$165

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Thu 3/5

7:22 pm-8:13 am

1 stop12h 51m

Sacramento Intl

Sun 3/8

4:41 pm-11:59 pm

1 stop7h 18m

$172

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Tue 4/14

5:05 pm-11:30 pm

1 stop6h 25m

Sacramento Intl

Tue 4/21

5:14 pm-11:44 pm

1 stop6h 30m

$179

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sun 4/19

12:59 am-10:57 am

1 stop9h 58m

Sacramento Intl

Thu 4/30

12:04 pm-11:55 pm

1 stop11h 51m

$181

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sat 2/28

2:06 pm-7:48 am

1 stop17h 42m

Sacramento Intl

Mon 3/2

10:53 am-11:59 pm

1 stop13h 06m

$186

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Fri 2/27

9:43 pm-11:47 am

1 stop14h 04m

Sacramento Intl

Sun 3/1

8:43 am-1:11 pm

1 stop4h 28m

$188

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Wed 3/11

10:03 pm-8:13 am

1 stop10h 10m

Sacramento Intl

Thu 3/19

4:51 pm-11:59 pm

1 stop7h 08m

$189

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Tue 4/14

5:05 pm-11:30 pm

1 stop6h 25m

Sacramento Intl

Sat 4/18

5:45 pm-10:43 pm

1 stop4h 58m

$191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Ontario to Sacramento

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 Sacramento?

The month of May is, on average, the cheapest month to fly to Sacramento from Ontario, with most prices found around $243. If you are unable to visit Sacramento during the month of May, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $259.

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

The cheapest day to depart from Ontario to Sacramento is on a Thursday when prices can be found for as low as $166. Flights from Ontario to Sacramento on a Tuesday will generally be more expensive and average around $197. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Sacramento is at noon. momondo users have found flights departing from Ontario to Sacramento at noon for as low as $150. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $197. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Sacramento Intl flight route?

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

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

You are more likely to see cheaper flights to Sacramento from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Sacramento for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sacramento from Ontario for as low as $210 on momondo.

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

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

Can stopping save me money on Ontario to Sacramento flights?

You could potentially save up to 19% on your flight if you consider stops on a Ontario to Sacramento flight.

How have Ontario to Sacramento flight prices changed over time?

As of February 2026, prices for Ontario to Sacramento flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Sacramento

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

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

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

Best Price Found

$198

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Sacramento

1 airport
The best one-way flight to Sacramento from Ontario in the past 72 hours is $198. The best round-trip flight deal from Ontario to Sacramento found on momondo in the last 72 hours is $261.
The fastest flight from Ontario to Sacramento takes 1h 20m
Direct flights go from Ontario to Sacramento every day.
There is 1 airport in Sacramento. From Ontario there are direct flights to Sacramento Intl (SMF).
Search flight deals

  • How far is Ontario to Sacramento Intl by plane?

    The straight-line distance from Ontario to Sacramento Intl is 378.1 mi. 1h 20m is a normal flight duration for this route.

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

    Prices for flights from Ontario Airport to Sacramento Intl Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Sacramento Intl Airport.

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

    The necessary travel and health documents for your Sacramento Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Ontario to Sacramento

Compare and see reviews for airlines that fly from Ontario to Sacramento with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $77Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,280 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Sacramento

    Southwest flight deals from Ontario to Sacramento start from $187 round-trip. Over the 27 Southwest flights for this route in a normal week, average airfare is usually $280 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Chico
Oroville
Lincoln
Rocklin
Yuba City
Auburn
Marysville
Grass Valley
Placerville
Nevada City
Plymouth
Willows
El Dorado Hills

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Sacramento. momondo saves you time and could save you money on your trip.

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

All flight searches from Ontario to Sacramento on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Ontario to Sacramento flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Ontario to Sacramento now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sacramento and let you know when they change.

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