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Cheap flights from Ontario to San Francisco from $64

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 2/26. 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 Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:22 pm - 12:57 pm
ONT
-
SMF
21h 35m1 stop
Frontier Logo
1:48 pm - 2:41 pm
SMF
-
ONT
24h 53m1 stop
$128Frontier
tor., jan. 29 - søn., feb. 1
Frontier Logo
10:18 am - 12:53 pm
ONT
-
SMF
26h 35m1 stop
Frontier Logo
1:48 pm - 7:32 pm
SMF
-
ONT
5h 44m1 stop
$129Frontier
fre., feb. 6 - søn., feb. 8
Frontier Logo
10:18 am - 12:53 pm
ONT
-
SMF
26h 35m1 stop
Frontier Logo
1:48 pm - 7:10 pm
SMF
-
ONT
5h 22m1 stop
$134Frontier
fre., jan. 30 - man., feb. 2
Frontier Logo
5:57 pm - 5:42 pm
ONT
-
SMF
23h 45m1 stop
Frontier Logo
11:54 am - 5:02 pm
SMF
-
ONT
5h 08m1 stop
$154Frontier
tor., feb. 19 - man., feb. 23
Frontier Logo
6:00 am - 1:34 pm
ONT
-
SMF
7h 34m1 stop
Frontier Logo
12:02 pm - 11:56 pm
SMF
-
ONT
11h 54m1 stop
$162Frontier
tor., jan. 8 - man., jan. 12
Frontier Logo
8:14 pm - 9:42 am
ONT
-
SMF
13h 28m1 stop
Frontier Logo
3:36 pm - 5:54 pm
SMF
-
ONT
26h 18m1 stop
$163Frontier
tor., jan. 8 - man., jan. 12
Frontier Logo
6:17 pm - 5:21 pm
ONT
-
SMF
23h 04m1 stop
Frontier Logo
7:44 pm - 11:21 pm
SMF
-
ONT
3h 37m1 stop
$164Frontier
tir., dec. 30 - lør., jan. 3
Southwest Logo
5:35 pm - 7:05 pm
ONT
-
SMF
1h 30mnonstop
Southwest Logo
5:05 am - 10:20 am
SMF
-
ONT
5h 15m1 stop
$165Southwest
ons., jan. 14 - tor., jan. 15
Hawaiian Airlines Logo
4:03 pm - 11:55 pm
ONT
-
SMF
7h 52m1 stop
Hawaiian Airlines Logo
8:16 am - 1:06 pm
SMF
-
ONT
4h 50m1 stop
$166Hawaiian Airlines
fre., jan. 23 - tir., jan. 27
United Airlines Logo
6:00 am - 10:24 am
ONT
-
SMF
4h 24m1 stop
United Airlines Logo
6:00 am - 11:18 am
SMF
-
ONT
5h 18m1 stop
$167United Airlines
ons., jan. 7 - fre., jan. 9

Frontier flights from Ontario to Sacramento

Our best Frontier deals on Ontario to Sacramento flight tickets
Frontier
Jan 29
ONT3:22 pmOntario
21h 35m
1 stop
SMF12:57 pmSacramento Intl
Feb 1
SMF1:48 pmSacramento Intl
24h 53m
1 stop
ONT2:41 pmOntario
$128
Find similar
Frontier
Feb 6
ONT10:18 amOntario
26h 35m
1 stop
SMF12:53 pmSacramento Intl
Feb 8
SMF1:48 pmSacramento Intl
5h 44m
1 stop
ONT7:32 pmOntario
$129
Find similar
Frontier
Jan 30
ONT10:18 amOntario
26h 35m
1 stop
SMF12:53 pmSacramento Intl
Feb 2
SMF1:48 pmSacramento Intl
5h 22m
1 stop
ONT7:10 pmOntario
$134
Find similar

Southwest flights from Ontario to Sacramento

Our best Southwest deals on Ontario to Sacramento flight tickets
Southwest
Jan 14
ONT5:35 pmOntario
1h 30m
SMF7:05 pmSacramento Intl
Jan 15
SMF5:05 amSacramento Intl
5h 15m
1 stop
ONT10:20 amOntario
$165
Find similar
Southwest
Jan 14
ONT6:05 amOntario
3h 25m
1 stop
SMF9:30 amSacramento Intl
Jan 15
SMF12:10 pmSacramento Intl
3h 40m
1 stop
ONT3:50 pmOntario
$170
Find similar
Southwest
Jan 14
ONT6:05 amOntario
5h 50m
1 stop
SMF11:55 amSacramento Intl
Jan 15
SMF6:35 amSacramento Intl
8h 35m
2 stops
ONT3:10 pmOntario
$175
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 december 4, 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

tor. 1/29

3:22 pm-12:57 pm

1 stop21h 35m

Sacramento Intl

søn. 2/1

1:48 pm-2:41 pm

1 stop24h 53m

$128

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

fre. 2/6

10:18 am-12:53 pm

1 stop26h 35m

Sacramento Intl

søn. 2/8

1:48 pm-7:32 pm

1 stop5h 44m

$129

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

fre. 1/30

10:18 am-12:53 pm

1 stop26h 35m

Sacramento Intl

man. 2/2

1:48 pm-7:10 pm

1 stop5h 22m

$134

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

tor. 2/19

5:57 pm-5:42 pm

1 stop23h 45m

Sacramento Intl

man. 2/23

11:54 am-5:02 pm

1 stop5h 08m

$154

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

tor. 1/8

6:00 am-1:34 pm

1 stop7h 34m

Sacramento Intl

man. 1/12

12:02 pm-11:56 pm

1 stop11h 54m

$162

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

tor. 1/8

8:14 pm-9:42 am

1 stop13h 28m

Sacramento Intl

man. 1/12

3:36 pm-5:54 pm

1 stop26h 18m

$163

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

tir. 12/30

6:17 pm-5:21 pm

1 stop23h 04m

Sacramento Intl

lør. 1/3

7:44 pm-11:21 pm

1 stop3h 37m

$164

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

ons. 1/14

5:35 pm-7:05 pm

Nonstop1h 30m

Sacramento Intl

tor. 1/15

5:05 am-10:20 am

1 stop5h 15m

$165

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

fre. 1/23

4:03 pm-11:55 pm

1 stop7h 52m

Sacramento Intl

tir. 1/27

8:16 am-1:06 pm

1 stop4h 50m

$166

OntarioSacramento

ONT - SMF

ONTSMF

Ontario

ons. 1/7

6:00 am-10:24 am

1 stop4h 24m

Sacramento Intl

fre. 1/9

6:00 am-11:18 am

1 stop5h 18m

$167

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 December is, on average, the cheapest month to fly to Sacramento from Ontario, with most prices found around $203. If you are unable to visit Sacramento during the month of December, then departing from Ontario during the month May is also very affordable. Most momondo users find prices during this month for around $243.

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 $159. Flights from Ontario to Sacramento on a Sunday will generally be more expensive and average around $192. 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 $142. 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 $267 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 $212 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.

How have Ontario to Sacramento flight prices changed over time?

As of December 2025, prices for Ontario to Sacramento flights are approximately 20% 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

$201

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 $201. The best round-trip flight deal from Ontario to Sacramento found on momondo in the last 72 hours is $300.
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 30m 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 $68Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
SouthwestPriceFrom $189Free CancellationRating
8.0
4,252 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Sacramento

    Southwest flight deals from Ontario to Sacramento start from $189 round-trip. Over the 30 Southwest flights for this route in a normal week, average airfare is usually $278 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
Nevada City
Placerville
Plymouth
El Dorado Hills
Willows

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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