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Fresno

$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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$128
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$386
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 June 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/91:19 pmONT - FAT
1 stop5h 11mUnited Airlines
mié. 7/162:17 pmFAT - ONT
1 stop3h 26mUnited Airlines
Deal found 6/11$249
This Southwest deal was found by Cheapflights users on 6/9. 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.
lun. 9/155:05 pmONT - FAT
1 stop4h 35mSouthwest
sáb. 9/205:30 amFAT - ONT
1 stop4h 25mSouthwest
Deal found 6/9$272
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 9/166:00 amONT - FAT
2 stops10h 29mAlaska Airlines
vie. 9/265:09 pmFAT - ONT
1 stop6h 50mAlaska Airlines
Deal found 6/10$348
This United deal was found by Cheapflights users on 6/10. 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.
jue. 6/261:19 pmONT - FAT
1 stop5h 11mMultiple Airlines
dom. 6/298:14 amFAT - ONT
1 stop15h 59mMultiple Airlines
Deal found 6/10$660
This American Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 7/106:15 amONT - FAT
2 stops17h 05mAmerican Airlines
jue. 7/176:00 amFAT - ONT
2 stops12h 08mAmerican Airlines
Deal found 6/12$2,195

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 junio 12, 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

mié. 7/9

1:19 pm-6:30 pm

1 stop5h 11m

Fresno Airterminal

mié. 7/16

2:17 pm-5:43 pm

1 stop3h 26m

$249

OntarioFresno

ONT - FAT

ONTFAT

Ontario

lun. 9/15

5:05 pm-9:40 pm

1 stop4h 35m

Fresno Airterminal

sáb. 9/20

5:30 am-9:55 am

1 stop4h 25m

$272

OntarioFresno

ONT - FAT

ONTFAT

Ontario

mar. 9/16

6:00 am-4:29 pm

2 stops10h 29m

Fresno Airterminal

vie. 9/26

5:09 pm-11:59 pm

1 stop6h 50m

$348

OntarioFresno

ONT - FAT

ONTFAT

Ontario

jue. 6/26

1:19 pm-6:30 pm

1 stop5h 11m

Fresno Airterminal

dom. 6/29

8:14 am-12:13 am

1 stop15h 59m

$660

OntarioFresno

ONT - FAT

ONTFAT

Ontario

jue. 7/10

6:15 am-11:20 pm

2 stops17h 05m

Fresno Airterminal

jue. 7/17

6:00 am-6:08 pm

2 stops12h 08m

$2,195

OntarioFresno

ONT - FAT

ONTFAT

Ontario

mié. 8/20

6:00 am-10:42 am

1 stop4h 42m

$128

OntarioFresno

ONT - FAT

ONTFAT

Ontario

mar. 8/19

10:20 am-1:35 pm

1 stop3h 15m

$136

OntarioFresno

ONT - FAT

ONTFAT

Ontario

mié. 8/20

5:49 pm-11:16 am

2 stops17h 27m

$182

OntarioFresno

ONT - FAT

ONTFAT

Ontario

jue. 7/24

6:25 am-4:35 pm

2 stops10h 10m

$247

OntarioFresno

ONT - FAT

ONTFAT

Ontario

mié. 6/18

7:00 am-4:31 pm

1 stop9h 31m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $456). 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 junio 12, 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 junio 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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 $249, 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 $301 and $373, 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 United Airlines, which is currently one of the cheapest options available, starting at $128. Southwest flights start at $136 while deals on Alaska Airlines start at $182 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 $456). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$229Average$351FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$239Average$469FlexibilityNo cancel feeOn-time69%

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