$84 Cheap Delta flights Sacramento (SMF) to Ontario (ONT)

View $84 flight on Thu, Aug 21, 2025Opens in a new window

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$84 Cheap Delta flights Sacramento (SMF) to Ontario (ONT)

Prices were available within the past 7 days and start at $84 for one-way flights and $152 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 12 - Wed, Aug 13
SMF
Sacramento
ONT
Ontario
$152 Roundtrip, just found
$152
Roundtrip
just found
Select Delta flight, departing Tue, Aug 12 from Sacramento to Ontario, returning Wed, Aug 13, priced at $152 just found
Delta
Tue, Sep 16 - Sat, Sep 20
SMF
Sacramento
ONT
Ontario
$164 Roundtrip, found 6 days ago
$164
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Sacramento to Ontario, returning Sat, Sep 20, priced at $164 found 6 days ago
Delta
Tue, Aug 12 - Wed, Aug 13
SMF
Sacramento
ONT
Ontario
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Delta flight, departing Tue, Aug 12 from Sacramento to Ontario, returning Wed, Aug 13, priced at $167 just found
Delta
Fri, Aug 15 - Mon, Aug 18
SMF
Sacramento
ONT
Ontario
$171 Roundtrip, just found
$171
Roundtrip
just found
Select Delta flight, departing Fri, Aug 15 from Sacramento to Ontario, returning Mon, Aug 18, priced at $171 just found
Delta
Sun, Nov 16 - Mon, Nov 24
SMF
Sacramento
ONT
Ontario
$182 Roundtrip, found 6 hours ago
$182
Roundtrip
found 6 hours ago
Select Delta flight, departing Sun, Nov 16 from Sacramento to Ontario, returning Mon, Nov 24, priced at $182 found 6 hours ago
Delta
Mon, Aug 4 - Wed, Aug 6
SMF
Sacramento
ONT
Ontario
$183 Roundtrip, found 5 hours ago
$183
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Aug 4 from Sacramento to Ontario, returning Wed, Aug 6, priced at $183 found 5 hours ago
Flights from Sacramento (SMF) to Ontario (ONT)
Origin airport
Sacramento Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
389 mi
Average flight time
1 hour 24 mins

Frequently asked questions

How much is a Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines return flights from $152 from SMF to ONT. Affordable one-way options from $84 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SMF to ONT with Delta Air Lines?
January is one of the least expensive months to travel to Ontario with Delta Air Lines. You could also find great prices on one-way and round-trip tickets in April.
What is the cheapest time to book flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
To figure out if there's a direct journey from SMF to ONT with Delta Air Lines or any other airlines, select the "Nonstop" filter when searching for flights.
What is the earliest Delta Air Lines flight from SMF to ONT?
To find the earliest departures from SMF to ONT with Delta Air Lines, sort your results by "Morning" and "Early Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Ontario?
Delta Air Lines flights from Sacramento Intl. Airport (SMF) to Ontario land at Los Angeles - Ontario Intl. Airport (ONT). This is the main entry point to this city.
Why fly with Delta Air Lines from SMF to ONT?
With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers heading from SMF to ONT. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Sacramento Intl. Airport (SMF) to Los Angeles - Ontario Intl. Airport (ONT)?
Depending on the type of ticket you purchased, a fee typically applies if you cancel or change your booking more than 24 hours after it's been confirmed. To find plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you search for flights. For more details on changing or canceling your reservation, head to "Trips," select your flight and tick "Manage Booking."

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