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Cheap flights from Ontario to San Francisco from $60

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

United Airlines Logo
6:36 pm - 11:33 pmONT-SMF
4h 57m1 stop
United Airlines Logo
7:40 am - 12:13 pmSMF-ONT
4h 33m1 stop
$172United Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Southwest Logo
7:30 pm - 8:55 pmONT-SMF
1h 25mnonstop
Southwest Logo
8:05 pm - 9:25 pmSMF-ONT
1h 20mnonstop
$177Southwest
Find Deal
Wed, Oct 8 - Wed, Oct 15
Southwest Logo
5:45 pm - 10:20 pmONT-SMF
4h 35m1 stop
Southwest Logo
8:05 pm - 9:25 pmSMF-ONT
1h 20mnonstop
$187Southwest
Find Deal
Wed, Oct 8 - Wed, Oct 15
United Airlines Logo
6:36 pm - 9:46 pmONT-SMF
3h 10m1 stop
United Airlines Logo
7:40 am - 12:13 pmSMF-ONT
4h 33m1 stop
$188United Airlines
Find Deal
Sat, Oct 18 - Mon, Oct 20
Frontier Logo
9:16 am - 4:50 pmONT-SMF
7h 34m1 stop
Frontier Logo
12:06 pm - 7:59 pmSMF-ONT
7h 53m1 stop
$193Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
8:59 pm - 11:21 amONT-SMF
14h 22m1 stop
Frontier Logo
3:11 pm - 7:17 amSMF-ONT
16h 06m1 stop
$194Frontier
Find Deal
Sat, Sep 27 - Sun, Sep 28
Delta Logo
9:50 am - 4:05 pmONT-SMF
6h 15m1 stop
Delta Logo
5:00 pm - 11:39 pmSMF-ONT
6h 39m1 stop
$197Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
Delta Logo
6:00 am - 1:57 pmONT-SMF
7h 57m2 stops
Delta Logo
5:00 pm - 11:39 pmSMF-ONT
6h 39m1 stop
$202Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
American Airlines Logo
1:00 pm - 10:31 pmONT-SMF
9h 31m1 stop
American Airlines Logo
12:59 pm - 9:49 pmSMF-ONT
8h 50m1 stop
$245American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
1:00 pm - 6:38 pmONT-SMF
5h 38m1 stop
American Airlines Logo
6:00 am - 4:00 pmSMF-ONT
10h 00m1 stop
$261American Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20

United Airlines flights from Ontario to Sacramento

Our best United Airlines deals on Ontario to Sacramento flight tickets
United Airlines
Oct 8
ONT6:36 pmOntario
4h 57m
1 stop
SMF11:33 pmSacramento Intl
Oct 15
SMF7:40 amSacramento Intl
4h 33m
1 stop
ONT12:13 pmOntario
$172
Find similar
United Airlines
Oct 18
ONT6:36 pmOntario
3h 10m
1 stop
SMF9:46 pmSacramento Intl
Oct 20
SMF7:40 amSacramento Intl
4h 33m
1 stop
ONT12:13 pmOntario
$188
Find similar
United Airlines
Nov 23
ONT6:00 amOntario
3h 23m
1 stop
SMF9:23 amSacramento Intl
Nov 27
SMF6:20 amSacramento Intl
6h 17m
1 stop
ONT12:37 pmOntario
$230
Find similar

Southwest flights from Ontario to Sacramento

Our best Southwest deals on Ontario to Sacramento flight tickets
Southwest
Oct 8
ONT7:30 pmOntario
1h 25m
SMF8:55 pmSacramento Intl
Oct 15
SMF8:05 pmSacramento Intl
1h 20m
ONT9:25 pmOntario
$177
Find similar
Southwest
Oct 8
ONT5:45 pmOntario
4h 35m
1 stop
SMF10:20 pmSacramento Intl
Oct 15
SMF8:05 pmSacramento Intl
1h 20m
ONT9:25 pmOntario
$187
Find similar
Southwest
Oct 20
ONT8:50 pmOntario
1h 25m
SMF10:15 pmSacramento Intl
Oct 22
SMF8:55 amSacramento Intl
1h 20m
ONT10:15 amOntario
$192
Find similar

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 September 17, 2025.
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

Wed 10/8

6:36 pm-11:33 pm

1 stop4h 57m

Sacramento Intl

Wed 10/15

7:40 am-12:13 pm

1 stop4h 33m

$172

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Wed 10/8

7:30 pm-8:55 pm

Nonstop1h 25m

Sacramento Intl

Wed 10/15

8:05 pm-9:25 pm

Nonstop1h 20m

$177

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Wed 10/8

5:45 pm-10:20 pm

1 stop4h 35m

Sacramento Intl

Wed 10/15

8:05 pm-9:25 pm

Nonstop1h 20m

$187

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sat 10/18

6:36 pm-9:46 pm

1 stop3h 10m

Sacramento Intl

Mon 10/20

7:40 am-12:13 pm

1 stop4h 33m

$188

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Thu 10/2

9:16 am-4:50 pm

1 stop7h 34m

Sacramento Intl

Sun 10/5

12:06 pm-7:59 pm

1 stop7h 53m

$193

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Sat 9/27

8:59 pm-11:21 am

1 stop14h 22m

Sacramento Intl

Sun 9/28

3:11 pm-7:17 am

1 stop16h 06m

$194

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Tue 10/7

9:50 am-4:05 pm

1 stop6h 15m

Sacramento Intl

Tue 10/14

5:00 pm-11:39 pm

1 stop6h 39m

$197

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Tue 10/7

6:00 am-1:57 pm

2 stops7h 57m

Sacramento Intl

Tue 10/14

5:00 pm-11:39 pm

1 stop6h 39m

$202

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Thu 10/9

1:00 pm-10:31 pm

1 stop9h 31m

Sacramento Intl

Mon 10/13

12:59 pm-9:49 pm

1 stop8h 50m

$245

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

Fri 10/17

1:00 pm-6:38 pm

1 stop5h 38m

Sacramento Intl

Mon 10/20

6:00 am-4:00 pm

1 stop10h 00m

$261

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 October is, on average, the cheapest month to fly to Sacramento from Ontario, with most prices found around $176. If you are unable to visit Sacramento during the month of October, then departing from Ontario during the month December is also very affordable. Most momondo users find prices during this month for around $176.

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 $153. Flights from Ontario to Sacramento on a Sunday will generally be more expensive and average around $190. 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 $146. 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 $236 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 $148 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?

No. A direct flight is the cheapest option for a flight between Ontario to Sacramento.

How have Ontario to Sacramento flight prices changed over time?

As of September 2025, prices for Ontario to Sacramento flights are approximately 61% cheaper 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

$87

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 $87. The best round-trip flight deal from Ontario to Sacramento found on momondo in the last 72 hours is $193.
The fastest flight from Ontario to Sacramento takes 1h 20m
Direct flights go from Ontario to Sacramento every day.
There is 1 airport near Sacramento: 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 25m 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 $48Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $190Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Sacramento

    Southwest flight deals from Ontario to Sacramento start from $190 round-trip. Over the 34 Southwest flights for this route in a normal week, average airfare is usually $268 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
Yuba City
Rocklin
Auburn
Lincoln
Placerville
Marysville
Grass Valley
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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