$115 Cheap Flights from Ontario (ONT) to Fresno (FAT)

View $115 flight on Tue, May 20, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT)

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Find available prices by choosing your travel dates.

Cheap Flights from Ontario to Fresno (ONT-FAT)

Prices were available within the past 7 days and start at $115 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, May 24 - Wed, May 28
ONT
Ontario
FAT
Fresno
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, May 24 from Ontario to Fresno, returning Wed, May 28, priced at $229 found 3 days ago
Southwest Airlines
Wed, May 28 - Thu, May 29
ONT
Ontario
FAT
Fresno
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, May 28 from Ontario to Fresno, returning Thu, May 29, priced at $242 found 5 days ago
United
Mon, Jun 30 - Wed, Jul 2
ONT
Ontario
FAT
Fresno
$242 Roundtrip, found 20 hours ago
$242
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Jun 30 from Ontario to Fresno, returning Wed, Jul 2, priced at $242 found 20 hours ago
United
Sat, May 24 - Sun, May 25
ONT
Ontario
FAT
Fresno
$247 Roundtrip, found 6 hours ago
$247
Roundtrip
found 6 hours ago
Select United flight, departing Sat, May 24 from Ontario to Fresno, returning Sun, May 25, priced at $247 found 6 hours ago
Southwest Airlines
Sat, May 24 - Wed, May 28
ONT
Ontario
FAT
Fresno
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, May 24 from Ontario to Fresno, returning Wed, May 28, priced at $249 found 3 days ago
Southwest Airlines
Tue, May 20 - Tue, May 27
ONT
Ontario
FAT
Fresno
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 20 from Ontario to Fresno, returning Tue, May 27, priced at $259 found 4 days ago
Southwest Airlines
Thu, May 29 - Mon, Jun 2
ONT
Ontario
FAT
Fresno
$260 Roundtrip, found 2 days ago
$260
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, May 29 from Ontario to Fresno, returning Mon, Jun 2, priced at $260 found 2 days ago
Alaska Airlines
Tue, May 20 - Tue, May 27
ONT
Ontario
FAT
Fresno
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, May 20 from Ontario to Fresno, returning Tue, May 27, priced at $285 found 4 days ago
American Airlines
Tue, May 20 - Tue, May 27
ONT
Ontario
FAT
Fresno
$419 Roundtrip, found 4 days ago
$419
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, May 20 from Ontario to Fresno, returning Tue, May 27, priced at $419 found 4 days ago
Delta
Fri, Aug 15 - Mon, Aug 18
ONT
Ontario
FAT
Fresno
$567 Roundtrip, found 8 hours ago
$567
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Aug 15 from Ontario to Fresno, returning Mon, Aug 18, priced at $567 found 8 hours ago
Flights from Ontario (ONT) to Fresno (FAT)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Fresno Yosemite Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$228
Distance
222 mi

Ontario to Fresno Flights

The cheapest times to fly from Ontario to Fresno

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Fresno are during the month of May. You can find some of the cheapest flights from Ontario to Fresno with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Ontario to Fresno

Sunday is one of the best days to book for cheap flights from Ontario to Fresno: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Ontario to Fresno

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Fresno in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Fresno flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Fresno airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT) cost?
Discover the latest flight deals from ONT to FAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to FAT?
The cheapest flights from ONT to FAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT)?
There’s no direct route from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Fresno Yosemite Intl. Airport (FAT). However, you can find other airports that offer nonstop flights. Board your plane at Los Angeles Intl. Airport (LAX) and fly straight to Fresno without a layover.
What is the cheapest airline that flies from ONT to FAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ONT to FAT. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT)?
There aren’t any daily nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from ONT to FAT?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT) last-minute?
Last-minute fares from ONT to FAT are typically more expensive. To lock in the cheapest rates, start looking for flights well ahead of time. That being said, if you’re flexible with your travel plans, it’s possible to score a cheap ticket right before you leave.
Is it cheaper to book an ONT to FAT flight and hotel package?
You’ll typically save money by booking an ONT to FAT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve chosen your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Fresno Yosemite Intl. Airport (FAT)?
If you reserved your ONT to FAT flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you’d like more information.

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*Available to One Key members.