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Fresno

$107+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap 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 August 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am
ONT
-
FAT
1 stop5h 20m
Multiple Airlines
Sun 9/136:25 pm
FAT
-
ONT
1 stop12h 39m
Multiple Airlines
Deal found 8/1$209
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:04 am
ONT
-
FAT
1 stop4h 28m
Multiple Airlines
Sun 9/134:47 pm
FAT
-
ONT
1 stop18h 35m
Multiple Airlines
Deal found 7/31$223
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm
ONT
-
FAT
1 stop24h 36m
Multiple Airlines
Thu 8/276:18 pm
FAT
-
ONT
1 stop13h 45m
Multiple Airlines
Deal found 7/28$226
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:50 am
ONT
-
FAT
1 stop22h 26m
Multiple Airlines
Sun 8/233:06 pm
FAT
-
ONT
1 stop16h 57m
Multiple Airlines
Deal found 7/31$231
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:58 pm
ONT
-
FAT
1 stop16h 44m
Multiple Airlines
Thu 10/229:25 pm
FAT
-
ONT
1 stop12h 56m
Multiple Airlines
Deal found 7/29$233
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:15 am
ONT
-
FAT
1 stop6h 13m
Multiple Airlines
Fri 8/288:09 pm
FAT
-
ONT
1 stop19h 45m
Multiple Airlines
Deal found 7/27$242
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:56 pm
ONT
-
FAT
2 stops37h 50m
Multiple Airlines
Tue 9/15:06 pm
FAT
-
ONT
1 stop22h 43m
Multiple Airlines
Deal found 7/28$250
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:50 am
ONT
-
FAT
1 stop20h 41m
Multiple Airlines
Mon 8/249:21 am
FAT
-
ONT
1 stop7h 01m
Multiple Airlines
Deal found 7/29$259

Find 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Kiwi.com)

One-way from

$107
(Trip.com)

Popular in

September

Cheapest in

May

Average price

$326
Provider with most accurate pricing for Ontario-Fresno Airterminal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Fresno Airterminal flights.
Search Deals
From Ontario to Fresno Airterminal
Search Deals
One-way flight from Ontario to Fresno Airterminal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 1, 2026.
Use the filters below to find and compare flights from Ontario to Fresno that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 9/28

5:45 pm-11:05 pm

1 stop5h 20m

Fresno Airterminal

Wed 9/30

5:30 am-8:55 am

1 stop3h 25m

$279

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 8/26

6:08 am-11:22 am

1 stop5h 14m

Fresno Airterminal

Wed 9/2

2:10 pm-6:16 pm

1 stop4h 06m

$279

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 8/27

5:45 pm-11:00 pm

1 stop5h 15m

Fresno Airterminal

Thu 9/3

5:20 am-11:50 am

2 stops6h 30m

$284

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 8/18

9:40 am-2:45 pm

1 stop5h 05m

Fresno Airterminal

Thu 8/20

6:20 am-12:10 pm

2 stops5h 50m

$284

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 8/26

8:35 am-2:45 pm

2 stops6h 10m

Fresno Airterminal

Wed 9/2

1:20 pm-8:55 pm

2 stops7h 35m

$289

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 9/12

5:50 am-2:05 pm

2 stops8h 15m

Fresno Airterminal

Sun 9/13

6:00 am-1:25 pm

2 stops7h 25m

$328

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 9/8

1:56 pm-7:59 pm

1 stop6h 03m

Fresno Airterminal

Sat 9/12

8:11 am-12:12 pm

1 stop4h 01m

$349
Cheapest one-way

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 9/11

2:30 pm-8:26 pm

1 stop5h 56m

$107

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 11/12

5:55 am-12:50 pm

2 stops6h 55m

$145

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 8/31

7:13 pm-11:59 pm

1 stop4h 46m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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.

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 August 1, 2026.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
10,062 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

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.

  • How long is the flight from Ontario to Fresno?

    A quick flight from Ontario to Fresno can take about 3h 20m. Southwest provides one of the quickest options available for as low as $279. Ontario and Fresno are separated by a distance of 222 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Ontario to Fresno round-trip?

    Currently priced at $259, 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. This flight start at 26% lower than the current average price 3 months from now.

  • 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.

See more FAQs

Traveling to a place near Fresno?

Book flights to Fresno if you plan to visit one of these locations
Madera
Clovis
Kingsburg
Bass Lake

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Top airline flying from Ontario to Fresno

Discover the top airline 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$259Average$458FlexibilityNo cancel feeOn-time69%

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