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Fresno

$119+ Cheap flights from Ontario to Fresno (ONT - FAT)

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Fresno

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Fresno (FAT). 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 July 3, 2025.

Round-trip from

$198
(United Airlines)

One-way from

$119
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$560
From Ontario to Fresno Airterminal
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One-way flight from Ontario to Fresno Airterminal
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Fresno

Cheapest flights from Ontario to Fresno
Explore the most affordable flight options available from Ontario to Fresno. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:42 pmONT - FAT
1 stop4h 09mUnited Airlines
Sat 8/236:30 amFAT - ONT
1 stop5h 43mUnited Airlines
Deal found 7/2$198
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sun 10/199:05 pmONT - FAT
1 stop3h 05mSouthwest
Thu 10/232:10 pmFAT - ONT
1 stop5h 45mSouthwest
Deal found 7/2$220
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:30 amONT - FAT
1 stop14h 30mAlaska Airlines
Tue 8/198:00 amFAT - ONT
2 stops16h 15mAlaska Airlines
Deal found 7/3$361

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Fresno 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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Fresno that are best for you.

Fly from

Ontario

Fly to

Fresno

Route

Depart

Return

Price

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 8/19

1:42 pm-5:51 pm

1 stop4h 09m

Fresno Airterminal

Sat 8/23

6:30 am-12:13 pm

1 stop5h 43m

$198

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sun 10/19

9:05 pm-12:10 am

1 stop3h 05m

Fresno Airterminal

Thu 10/23

2:10 pm-7:55 pm

1 stop5h 45m

$220

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 8/16

7:30 am-10:00 pm

1 stop14h 30m

Fresno Airterminal

Tue 8/19

8:00 am-12:15 am

2 stops16h 15m

$361

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 8/6

6:10 am-10:06 am

1 stop3h 56m

$119

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 8/15

6:00 am-9:32 pm

1 stop15h 32m

$128

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 7/25

5:40 am-1:00 pm

1 stop7h 20m

$189

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 8/30

5:49 pm-9:06 am

1 stop15h 17m

$197

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 7/31

12:59 am-10:33 pm

1 stop21h 34m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Ontario to Fresno

Have a flexible travel schedule? Discover the best time to fly to Fresno from Ontario with our price prediction graph.
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 Ontario to Fresno

What is the cheapest month to book a flight from Ontario to Fresno?

Currently, January is the cheapest month in which you can book a flight from Ontario to Fresno (average of $363). Flying from Ontario to Fresno in June is currently the most expensive (average of $445). 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 ONT to FAT?

Find hourly flight availability from Ontario to Fresno. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Fresno in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Fresno

Get insights into the airlines that provide service to Fresno. 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 Fresno. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and United Airlines from Ontario to Fresno 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Fresno. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Fresno round-trip?

    Currently priced at $198, United Airlines will fly you from Ontario to Fresno and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $220 and $361, respectively. These flights start at 47% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Fresno one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $119. Southwest flights start at $189 while deals on Alaska Airlines start at $197 one-way.

  • Can I find deals for flights from Ontario to Fresno that include hotel bookings?

    Yes. In addition to deals on Ontario to Fresno flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Fresno?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Fresno.

  • Can I find deals for business class flights from Ontario to Fresno?

    Yes. Cheapflights offers flight deals from Ontario to Fresno by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Fresno?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Fresno (average of $363). Flying from Ontario to Fresno in June is currently the most expensive (average of $445). 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Madera
Clovis
Kingsburg
Oakhurst

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Top 2 airlines flying from Ontario to Fresno

Discover the top 2 airlines that operate flights from Ontario to Fresno. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$229Average$351FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$258Average$469FlexibilityNo cancel feeOn-time69%

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