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Cheap Flights from Sacramento (SMF) to Ontario Intl. Airport (ONT)

View AU$185 flight on Sat, 26 Sept 2026Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Ontario Intl. Airport (ONT)

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Cheap Flights from Sacramento (SMF) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Sacramento (SMF) to Ontario (ONT)

September is typically the cheapest month to fly

From AU$216 - AU$370 per traveller.

Frequently asked questions

How much does a flight from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT) cost?
You can find one-way and return flights from SMF to ONT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SMF to ONT ticket fares go up or down.
What is the cheapest month to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
August is typically the cheapest month to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT), with average return fares around AU$362. August sees lower prices because it often falls outside of peak summer travel for many routes, and families may be returning from holidays before school starts. Other cheap months to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT) include June and October.
Which airlines fly direct from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
Only one airline offers direct flights from Sacramento International Airport (SMF) to Ontario International Airport (ONT). Southwest Airlines operates 42 direct flights from SMF to ONT every week.
How do I find cheap flights from Sacramento, CA (SMF) to Ontario Intl. Airport (ONT)?
To find a cheap flight from Sacramento, CA (SMF) to Ontario Intl. Airport (ONT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
The best airline to fly with from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
The best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT) is typically August or October. These months offer a great balance, with return flights averaging around AU$362.
How many flights per day from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
You'll find around 6 nonstop flights per day from Sacramento Intl. (SMF) to Ontario Intl. Airport (ONT). For even more choices, look at flights that include layovers, as there are approximately 46 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and Harry Reid International Airport (LAS).
What is the earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
The earliest flight from Sacramento International Airport (SMF) to Ontario International Airport (ONT) typically departs around 12:40 AM. This service is offered by American Airlines and is a seasonal route, active only in July. An early departure like this can be really convenient if you want to maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
You'll find the most flights from Sacramento Intl. (SMF) to Ontario Intl. Airport (ONT) on Fridays, with around 57 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and United. Fridays have notably more flight options compared to other days of the week, making it a great day to travel if you're looking for flexibility.
What are the most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
The most popular departure times for flights from Sacramento Intl. (SMF) to Ontario Intl. Airport (ONT) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, Alaska Airlines and United, offer flights during this window. Many travellers prefer this because it allows for an early start to their day at their destination.
How long does it take to fly from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
When flying from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT), you'll find that nonstop flights are the quickest option, typically taking around 1 hour 18 minutes. This route covers a distance of approximately 628 kilometers. If you opt for a one-stop flight, your travel time will increase significantly, usually taking around 6 hours 18 minutes. Flights with two or more stops take even longer, averaging about 10 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Sacramento, CA (SMF-Sacramento Intl.) to Ontario Intl. Airport (ONT)?
You can fly business class or first class between SMF and ONT. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) flight with Expedia?
It's easy to earn miles on a Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario Intl. Airport (ONT) from Sacramento, CA (SMF)?
If you're planning to travel to Ontario from Sacramento Intl. (SMF), you can fly directly into Los Angeles - Ontario Intl. (ONT). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), John Wayne (SNA), or Portland Intl. (PDX) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) at the last minute?
Typically, booking a last minute flight from Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) flight and hotel package?
Securing a Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sacramento, CA (SMF) to Ontario Intl. Airport (ONT)?
If you booked your Sacramento, CA (SMF) to Ontario Intl. Airport (ONT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Ontario Intl. Airport
Distance
623 km
Average flight time
1 hour 23 mins

Book with confidence

Your quick guide to flights from Sacramento to Ontario Intl. Airport

Pick up great flights from Sacramento to Ontario Intl. Airport

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Sacramento to Ontario Intl. Airport. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Sacramento to Ontario Intl. Airport that take around hours.

Find cheap flights from Sacramento to Ontario Intl. Airport

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Sacramento to Ontario Intl. Airport around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Ontario Intl. Airport is normally in .

Reasons to book your flight from Sacramento to Ontario Intl. Airport with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Sacramento to Ontario Intl. Airport across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Ontario Intl. Airport right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Sacramento to Ontario Intl. Airport

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