$86+ Cheap flights from Sacramento to Ontario (SMF - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ONT
Jul 10 — Jul 171
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 September, booked 83 days in advance, depart on a Tuesday or Saturday and return on a Wednesday
Cheap flight deals from Sacramento to Ontario
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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 June 10, 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 June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 10/126:30 pm
SMF
- ONT
Nonstop1h 25m
Southwest
Wed 10/148:15 am
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/8![Southwest logo]()
$240
This Southwest deal was found by Cheapflights users on 6/8. 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 8/274:30 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Sat 8/2911:00 am
ONT
- SMF
1 stop3h 50m
Southwest
Deal found 6/8![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 7/16:50 pm
SMF
- ONT
Nonstop1h 25m
Southwest
Wed 7/86:25 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/8![Southwest logo]()
$243
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:43 am
SMF
- ONT
1 stop6h 41m
Delta
Thu 9/36:00 am
ONT
- SMF
1 stop6h 18m
Delta
Deal found 6/8![Delta logo]()
$244
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:11 am
SMF
- ONT
1 stop5h 16m
American Airlines
Tue 11/34:47 pm
ONT
- SMF
1 stop5h 47m
American Airlines
Deal found 6/7![American Airlines logo]()
$245
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Tue 7/145:07 pm
SMF
- ONT
1 stop14h 56m
Frontier
Sat 7/1811:52 am
ONT
- SMF
1 stop3h 40m
Frontier
Deal found 6/8![Frontier logo]()
$246
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:00 pm
SMF
- ONT
1 stop6h 01m
United Airlines
Tue 9/221:56 pm
ONT
- SMF
1 stop5h 51m
United Airlines
Deal found 6/5![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 6/307:55 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Fri 7/36:30 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/5![Southwest logo]()
$248
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
SMF
- ONT
1 stop6h 12m
United Airlines
Tue 8/116:00 am
ONT
- SMF
1 stop3h 33m
United Airlines
Deal found 6/9![United Airlines logo]()
$249
This Orbitz deal was found by Cheapflights users on 6/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Fri 7/3111:52 am
ONT
- SMF
1 stop6h 57m
Frontier
Deal found 6/6![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 6/9. 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.
Wed 7/225:07 pm
SMF
- ONT
1 stop22h 47m
Frontier
Mon 7/273:40 pm
ONT
- SMF
1 stop24h 24m
Frontier
Deal found 6/9![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Tue 6/235:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Tue 6/301:33 pm
ONT
- SMF
1 stop26h 42m
Frontier
Deal found 6/8![Frontier logo]()
$252
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 June 10, 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 June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 9/153:20 pm
SMF
- ONT
1 stop5h 35m
Southwest
Tue 9/229:10 am
ONT
- SMF
Nonstop1h 20m
Southwest
Deal found 6/5![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
SMF
- ONT
1 stop6h 12m
United Airlines
Tue 8/111:56 pm
ONT
- SMF
1 stop5h 51m
United Airlines
Deal found 6/9![United Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 6/8. 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.
Tue 7/147:10 pm
SMF
- ONT
1 stop3h 40m
Southwest
Sat 7/189:20 am
ONT
- SMF
2 stops7h 00m
Southwest
Deal found 6/8![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:40 pm
SMF
- ONT
Nonstop1h 25m
Southwest
Mon 10/56:25 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/6![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 6/5. 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.
Thu 7/302:00 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Sun 8/27:00 pm
ONT
- SMF
1 stop4h 00m
Southwest
Deal found 6/5![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/9. 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 7/176:50 pm
SMF
- ONT
1 stop4h 45m
Southwest
Sun 7/198:40 pm
ONT
- SMF
1 stop3h 55m
Southwest
Deal found 6/9![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/7. 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 7/92:00 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Mon 7/133:40 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/7![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/8. 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 7/247:50 pm
SMF
- ONT
1 stop3h 45m
Southwest
Mon 7/278:50 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/8![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:15 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Sun 7/265:05 am
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/6![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2610:55 am
SMF
- ONT
1 stop4h 30m
Southwest
Fri 7/36:30 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/5![Southwest logo]()
$311
Last-minute flights from Sacramento to OntarioDiscover last-minute flight deals from Sacramento to Ontario. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Ontario. Data last updated June 10, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Tue 6/235:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Tue 6/301:33 pm
ONT
- SMF
1 stop26h 42m
Frontier
Deal found 6/8![Frontier logo]()
$252
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 6/307:55 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Fri 7/36:30 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/5![Southwest logo]()
$248
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Sat 7/1811:52 am
ONT
- SMF
1 stop3h 40m
Frontier
Deal found 6/4![Frontier logo]()
$256
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 7/16:50 pm
SMF
- ONT
Nonstop1h 25m
Southwest
Wed 7/86:25 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/8![Southwest logo]()
$243
This Expedia deal was found by Cheapflights users on 6/8. 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.
Wed 7/15:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Sat 7/411:58 am
ONT
- SMF
1 stop6h 52m
Frontier
Deal found 6/8![Frontier logo]()
$244
This Super.com deal was found by Cheapflights users on 6/4. 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.
Wed 7/15:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Sat 7/1811:52 am
ONT
- SMF
1 stop3h 40m
Frontier
Deal found 6/4![Frontier logo]()
$245
This Orbitz deal was found by Cheapflights users on 6/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Fri 7/3111:52 am
ONT
- SMF
1 stop6h 57m
Frontier
Deal found 6/6![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 6/9. 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.
Sat 7/411:25 am
SMF
- ONT
1 stop12h 24m
Frontier
Sat 8/111:52 am
ONT
- SMF
1 stop3h 40m
Frontier
Deal found 6/9![Frontier logo]()
$258
This Booking.com deal was found by Cheapflights users on 6/8. 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.
Tue 7/145:07 pm
SMF
- ONT
1 stop14h 56m
Frontier
Sat 7/1811:52 am
ONT
- SMF
1 stop3h 40m
Frontier
Deal found 6/8![Frontier logo]()
$246
This Southwest deal was found by Cheapflights users on 6/5. 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.
Tue 7/145:40 pm
SMF
- ONT
1 stop5h 25m
Southwest
Tue 7/216:25 pm
ONT
- SMF
Nonstop1h 25m
Southwest
Deal found 6/5![Southwest logo]()
$253
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:28 pm
SMF
- ONT
1 stop13h 35m
Frontier
Tue 7/281:38 pm
ONT
- SMF
1 stop26h 26m
Frontier
Deal found 6/7![Frontier logo]()
$251
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 June 10, 2026.
Search for one-way flight options from Sacramento to Ontario. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 8/58:55 am
SMF
- ONT
Nonstop1h 20m
Southwest
Deal found 6/8![Southwest logo]()
$86
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
SMF
- ONT
1 stop6h 12m
United Airlines
Deal found 6/8![United Airlines logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:07 pm
SMF
- ONT
1 stop22h 07m
Frontier
Deal found 6/9![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:10 pm
SMF
- ONT
1 stop21h 59m
Frontier
Deal found 6/4![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:44 pm
SMF
- ONT
2 stops41h 04m
Frontier
Deal found 6/6![Frontier logo]()
$113
This Southwest deal was found by Cheapflights users on 6/8. 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 9/54:40 pm
SMF
- ONT
Nonstop1h 20m
Southwest
Deal found 6/8![Southwest logo]()
$116
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Deal found 6/7![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 6/8. 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 7/85:07 pm
SMF
- ONT
1 stop22h 47m
Frontier
Deal found 6/8![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 6/9. 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 7/15:10 pm
SMF
- ONT
1 stop21h 58m
Frontier
Deal found 6/9![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 6/9. 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 10/2811:45 am
SMF
- ONT
1 stop12h 10m
Frontier
Deal found 6/9![Frontier logo]()
$121
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 7/16:50 pm
SMF
- ONT
Nonstop1h 25m
Southwest
Deal found 6/5![Southwest logo]()
$122
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Southwest) |
One-way from | $86 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $299 |
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 2,558,603 searches. Data last updated June 10, 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
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Tue 9/15
3:20 pm-8:55 pm
1 stop5h 35m
Ontario
Tue 9/22
9:10 am-10:30 am
Nonstop1h 20m
$253
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Tue 7/14
7:10 pm-10:50 pm
1 stop3h 40m
Ontario
Sat 7/18
9:20 am-4:20 pm
2 stops7h 00m
$268
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Sat 8/8
6:00 am-12:12 pm
1 stop6h 12m
Ontario
Tue 8/11
1:56 pm-7:47 pm
1 stop5h 51m
$281
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Wed 9/30
6:40 pm-8:05 pm
Nonstop1h 25m
Ontario
Mon 10/5
6:25 pm-7:50 pm
Nonstop1h 25m
$287
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Thu 7/30
2:00 pm-3:20 pm
Nonstop1h 20m
Ontario
Sun 8/2
7:00 pm-11:00 pm
1 stop4h 00m
$309
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Fri 7/17
6:50 pm-11:35 pm
1 stop4h 45m
Ontario
Sun 7/19
8:40 pm-12:35 am
1 stop3h 55m
$309
Quickest round-trip
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Thu 7/9
2:00 pm-3:20 pm
Nonstop1h 20m
Ontario
Mon 7/13
3:40 pm-5:05 pm
Nonstop1h 25m
$309
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Fri 7/24
7:50 pm-11:35 pm
1 stop3h 45m
Ontario
Mon 7/27
8:50 pm-10:15 pm
Nonstop1h 25m
$309
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Fri 7/24
4:15 pm-5:35 pm
Nonstop1h 20m
Ontario
Sun 7/26
5:05 am-6:30 am
Nonstop1h 25m
$309
SacramentoOntario
SMF - ONT
SMFONT
Sacramento Intl
Fri 6/26
10:55 am-3:25 pm
1 stop4h 30m
Ontario
Fri 7/3
6:30 pm-7:55 pm
Nonstop1h 25m
$311
Showing 1-10 of 20 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 June.
| 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 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 $210). Flying from Sacramento to Ontario in July is currently the most expensive (average of $369). 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 June 10, 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 in the morning, which can drop the price by up to 6% versus a flight at noon.
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 June 8, 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. Sunday at noon 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
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Sacramento to Ontario trip
Our travel experts
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 June 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines 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.
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sacramento to Ontario by cabin class
Find flights from Sacramento to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 June 10, 2026.
Sacramento and Ontario flights
Browse other Sacramento and Ontario flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Sacramento to Ontario
Discover the top 4 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$134 | Average$277 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$376 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$175 | Average$315 | FlexibilityNo cancel fee | On-time63% |