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$128+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(United Airlines)

One-way from

$128
(Southwest)

Popular in

June

Cheapest in

March

Average price

$263
Provider with most accurate pricing for Ontario-Fresno Airterminal flight deals.
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Provider most trusted by Cheapflights users for Ontario-Fresno Airterminal flights.
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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. 12% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 5/51:45 pmONT - FAT
1 stop4h 14mUnited Airlines
Thu 5/88:40 amFAT - ONT
1 stop5h 45mUnited Airlines
Deal found 3/23$255
This Southwest deal was found by Cheapflights users on 3/24. 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 4/268:55 amONT - FAT
1 stop6h 25mSouthwest
Mon 4/286:45 pmFAT - ONT
1 stop4h 15mSouthwest
Deal found 3/24$270
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Fri 4/257:25 pmONT - FAT
1 stop13h 45mAmerican Airlines
Sun 4/277:12 pmFAT - ONT
1 stop13h 47mAmerican Airlines
Deal found 3/23$300
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 5/98:59 pmONT - FAT
1 stop23h 17mAlaska Airlines
Fri 5/167:35 pmFAT - ONT
1 stop15h 22mAlaska Airlines
Deal found 3/25$372
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:45 pmONT - FAT
1 stop5h 14mMultiple Airlines
Thu 4/177:30 amFAT - ONT
1 stop16h 29mMultiple Airlines
Deal found 3/24$610

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 March 25, 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

Mon 4/14

6:00 am-9:48 am

1 stop3h 48m

Fresno Airterminal

Tue 4/22

2:25 pm-8:21 pm

1 stop5h 56m

$255

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 4/14

7:35 pm-11:05 pm

1 stop3h 30m

Fresno Airterminal

Tue 4/22

6:15 am-12:20 pm

2 stops6h 05m

$260

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 4/25

7:25 pm-9:10 am

1 stop13h 45m

Fresno Airterminal

Sun 4/27

7:12 pm-8:59 am

1 stop13h 47m

$300

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 5/9

8:59 pm-8:16 pm

1 stop23h 17m

Fresno Airterminal

Mon 5/12

6:59 pm-9:16 am

2 stops14h 17m

$388

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 4/5

6:00 am-9:48 am

1 stop3h 48m

Fresno Airterminal

Sat 4/12

4:54 pm-10:39 am

1 stop17h 45m

$625

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 4/24

5:45 am-10:10 am

1 stop4h 25m

$128

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 5/30

1:36 pm-5:28 pm

1 stop3h 52m

$154

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 5/7

6:00 am-8:16 pm

2 stops14h 16m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Ontario to Fresno

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 Ontario to Fresno in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Fresno flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Fresno flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Fresno flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Fresno 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 Ontario-Fresno 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 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 $522). 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 March 25, 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.

Rainfall in Fresno by month

Plan your trip to Fresno by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Fresno ranges from 0.0 - 2.2 inches per month. January is typically the wettest month, when rainfall can reach 2.2 in. July is typically the driest time to visit Fresno when rainfall is around 0.0 in.

Temperature in Fresno by month

Plan your trip to Fresno by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Fresno, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 March 25, 2025.
Read through reviews of airlines operating flights from Ontario to Fresno, such as Alaska Airlines, Southwest and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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 $255, 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 American Airlines - these airlines can fly you to your destination from $270 and $300, respectively. These flights start at 33% 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 Southwest, which is currently one of the cheapest options available, starting at $128. United Airlines flights start at $154 while deals on Alaska Airlines start at $172 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 $522). 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
Oakhurst
Kingsburg

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$229Average$336FlexibilityNo cancel feeOn-time63%
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