$83+ Cheap flights from Sacramento to Ontario (SMF - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ONT
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 October or April, booked 84 days in advance, depart on a Tuesday or Saturday and return on a Wednesday
Cheap flight deals from Sacramento to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sacramento to OntarioExplore 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 September 7, 2026.
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 September 7, 2026.
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:04 pm -
1 stop11h 47m
Mon 11/234:43 pm -
Nonstop1h 30m
Deal found 9/3![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:59 am -
1 stop11h 52m
Fri 11/273:55 pm -
Nonstop1h 36m
Deal found 9/4![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:36 am -
Nonstop1h 24m
Mon 11/233:55 pm -
Nonstop1h 36m
Deal found 9/3![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:04 pm -
1 stop11h 47m
Fri 11/273:55 pm -
Nonstop1h 36m
Deal found 9/4![Frontier logo]()
$166
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:23 pm -
1 stop22h 11m
Mon 9/288:24 pm -
1 stop21h 04m
Deal found 9/4![Frontier logo]()
$169
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:37 am -
1 stop8h 22m
Tue 10/1311:26 am -
1 stop6h 07m
Deal found 9/4![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 9/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:04 pm -
1 stop11h 47m
Fri 11/273:55 pm -
Nonstop1h 36m
Deal found 9/4![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:37 am -
1 stop8h 22m
Wed 9/3010:04 am -
1 stop7h 24m
Deal found 9/3![Frontier logo]()
$180
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:08 pm -
1 stop25h 22m
Thu 10/151:38 pm -
1 stop5h 15m
Deal found 9/6![Frontier logo]()
$182
This deal was found by Cheapflights users on 9/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:50 pm -
1 stop4h 09m
Mon 10/58:00 am -
1 stop4h 00m
Deal found 9/4![Frontier logo]()
$183
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:29 pm -
1 stop14h 40m
Mon 10/128:35 pm -
1 stop20h 58m
Deal found 9/6![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Wed 9/306:23 pm -
1 stop16h 59m
Mon 10/58:00 am -
1 stop23h 49m
Deal found 9/6![Frontier logo]()
$186
Best flights from Sacramento to OntarioDiscover carefully curated flight deals from Sacramento to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Sacramento to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Mon 10/58:45 pm -
Nonstop1h 25m
Thu 10/89:45 am -
Nonstop1h 25m
Deal found 9/2![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/306:02 am -
1 stop7h 14m
Tue 11/310:40 am -
2 stops7h 20m
Deal found 9/6![Alaska Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 9/5. 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.
Sat 10/102:20 pm -
Nonstop1h 20m
Mon 10/128:55 pm -
Nonstop1h 30m
Deal found 9/5![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 9/7. 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.
Thu 10/294:15 pm -
Nonstop1h 20m
Wed 11/43:20 pm -
1 stop3h 25m
Deal found 9/7![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 9/4. 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.
Fri 10/27:15 pm -
1 stop4h 35m
Tue 10/65:50 am -
Nonstop1h 25m
Deal found 9/4![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/92:00 pm -
Nonstop1h 20m
Sun 10/117:15 pm -
1 stop5h 00m
Deal found 9/3![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 9/4. 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.
Mon 10/128:10 am -
2 stops5h 50m
Thu 10/155:15 pm -
1 stop5h 40m
Deal found 9/4![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 9/5. 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.
Fri 10/24:15 pm -
Nonstop1h 20m
Sun 10/45:10 pm -
1 stop7h 40m
Deal found 9/5![Southwest logo]()
$332
Last-minute flights from Sacramento to OntarioDiscover last-minute flight deals from Sacramento to Ontario. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Ontario. Data last updated September 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:23 pm -
1 stop22h 11m
Mon 9/288:24 pm -
1 stop21h 04m
Deal found 9/4![Frontier logo]()
$169
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:23 pm -
1 stop14h 46m
Sat 9/262:30 pm -
1 stop17h 18m
Deal found 9/5![Frontier logo]()
$190
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:37 am -
1 stop8h 22m
Tue 10/1311:26 am -
1 stop6h 07m
Deal found 9/4![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:37 am -
1 stop8h 22m
Wed 9/3010:04 am -
1 stop7h 24m
Deal found 9/3![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 9/7. 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.
Wed 9/306:23 pm -
1 stop22h 26m
Mon 10/58:24 pm -
1 stop11h 25m
Deal found 9/7![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:53 am -
1 stop11h 54m
Wed 10/710:04 am -
1 stop7h 24m
Deal found 9/2![Frontier logo]()
$189
This deal was found by Cheapflights users on 9/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:50 pm -
1 stop4h 09m
Mon 10/58:00 am -
1 stop4h 00m
Deal found 9/4![Frontier logo]()
$183
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:50 pm -
1 stop20h 19m
Mon 10/128:35 pm -
1 stop20h 58m
Deal found 9/7![Frontier logo]()
$188
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Mon 10/512:50 pm -
1 stop4h 09m
Tue 10/65:44 pm -
1 stop23h 44m
Deal found 9/5![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:29 pm -
1 stop14h 40m
Mon 10/128:35 pm -
1 stop20h 58m
Deal found 9/6![Frontier logo]()
$185
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:08 pm -
1 stop25h 22m
Thu 10/151:38 pm -
1 stop5h 15m
Deal found 9/6![Frontier logo]()
$182
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Mon 10/196:29 pm -
1 stop22h 01m
Thu 10/221:38 pm -
1 stop5h 15m
Deal found 9/5![Frontier logo]()
$192
One-way flights from Sacramento to OntarioSearch for one-way flight options from Sacramento to Ontario. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Sacramento to Ontario. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:36 am -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:57 am -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:23 pm -
1 stop16h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:23 pm -
1 stop14h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$89
This Mytrip deal was found by Cheapflights users on 9/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:57 am -
1 stop22h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:53 am -
1 stop11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$91
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:52 am -
1 stop11h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:50 pm -
1 stop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:53 am -
1 stop11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:53 am -
1 stop11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$96
Find 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $133 (Frontier) |
One-way from | $83 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $284 |
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 7,457,451 searches. Data last updated September 7, 2026.
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
Cheapest round-trip
Quickest round-trip
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Tue 3/2
7:00 pm-8:20 pm
Nonstop1h 20m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Wed 12/2
6:35 am-8:00 am
Nonstop1h 25m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$124
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Wed 3/3
6:00 am-12:30 pm
1 stop6h 30m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Mon 10/5
8:45 pm-10:10 pm
Nonstop1h 25m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Wed 3/3
8:15 am-4:20 pm
1 stop8h 05m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Mon 3/1
5:25 am-2:25 pm
2 stops9h 00m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Mon 11/9
2:52 pm-11:06 pm
1 stop8h 14m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Mon 3/1
5:00 pm-11:48 pm
1 stop6h 48m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Tue 10/27
11:21 am-10:17 am
1 stop22h 56m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$157
SacramentoOntario
SMF Sacramento Intl - ONT Ontario
SMFONT
Sacramento Intl
Mon 10/5
8:45 pm-10:10 pm
Nonstop1h 25m
Ontario
Thu 10/8
9:45 am-11:10 am
Nonstop1h 25m
$247
Showing 1-10 of 17 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sacramento-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-Ontario flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SMF-ONT
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?
To ensure you get the cheapest price possible for a flight from Sacramento to Ontario, you should look to book at least 82 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, October is the cheapest month in which you can book a flight from Sacramento to Ontario (average of $243). Flying from Sacramento to Ontario in December is currently the most expensive (average of $359). 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 September 7, 2026.
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 at noon, which can drop the price by up to 15% versus a flight in the afternoon.
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 September 5, 2026.
Travelers seeking maximum savings on their Sacramento to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Sacramento to Ontario flights
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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 September 7, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andFrontier from Sacramento to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
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Alternative routes for Sacramento to Ontario
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Sacramento and Ontario flights
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Top 2 airlines flying from Sacramento to Ontario
Discover the top 2 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$213 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$201 | Average$305 | FlexibilityNo cancel fee | On-time63% |