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Fresno

$87+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/411:51 am
ONT
-
FAT
1 stop6h 09m
Multiple Airlines
Sun 6/71:06 pm
FAT
-
ONT
1 stop26h 03m
Multiple Airlines
Deal found 5/8$147
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/163:34 pm
ONT
-
FAT
1 stop18h 12m
Multiple Airlines
Tue 6/232:06 pm
FAT
-
ONT
1 stop5h 45m
Multiple Airlines
Deal found 5/6$149
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:34 pm
ONT
-
FAT
1 stop25h 54m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ONT
1 stop19h 17m
Multiple Airlines
Deal found 5/9$167
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/233:34 pm
ONT
-
FAT
1 stop18h 12m
Multiple Airlines
Mon 6/292:07 pm
FAT
-
ONT
1 stop25h 01m
Multiple Airlines
Deal found 5/5$172
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:34 pm
ONT
-
FAT
1 stop24h 42m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ONT
1 stop19h 17m
Multiple Airlines
Deal found 5/9$178
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:34 pm
ONT
-
FAT
1 stop16h 17m
Multiple Airlines
Sat 8/2911:06 am
FAT
-
ONT
1 stop8h 42m
Multiple Airlines
Deal found 5/9$183
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:34 pm
ONT
-
FAT
1 stop16h 17m
Multiple Airlines
Tue 9/15:06 pm
FAT
-
ONT
1 stop22h 03m
Multiple Airlines
Deal found 5/9$189
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:34 pm
ONT
-
FAT
1 stop16h 17m
Multiple Airlines
Sun 8/306:18 pm
FAT
-
ONT
1 stop20h 51m
Multiple Airlines
Deal found 5/9$193
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:34 pm
ONT
-
FAT
1 stop16h 57m
Multiple Airlines
Mon 8/317:52 pm
FAT
-
ONT
1 stop19h 17m
Multiple Airlines
Deal found 5/9$195
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:34 pm
ONT
-
FAT
1 stop24h 42m
Multiple Airlines
Sun 8/306:18 pm
FAT
-
ONT
1 stop20h 51m
Multiple Airlines
Deal found 5/9$199
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:34 pm
ONT
-
FAT
1 stop16h 17m
Multiple Airlines
Thu 8/2710:36 am
FAT
-
ONT
1 stop4h 33m
Multiple Airlines
Deal found 5/9$201
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/611:51 am
ONT
-
FAT
1 stop24h 25m
Multiple Airlines
Tue 6/92:06 pm
FAT
-
ONT
1 stop5h 45m
Multiple Airlines
Deal found 5/4$206

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$147
(Kiwi.com)

One-way from

$87
(Kiwi.com)

Popular in

September

Cheapest in

July

Average price

$310
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. 11% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 6/12

3:34 pm-1:16 pm

1 stop21h 42m

Fresno Airterminal

Mon 6/15

3:31 pm-9:07 am

1 stop17h 36m

$246

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 6/1

5:05 pm-11:45 pm

1 stop6h 40m

Fresno Airterminal

Wed 6/3

4:25 pm-10:15 pm

2 stops5h 50m

$320

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Tue 6/16

4:35 pm-11:10 pm

2 stops6h 35m

Fresno Airterminal

Tue 6/23

5:10 pm-11:00 pm

2 stops5h 50m

$337

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 6/4

5:15 am-10:55 am

2 stops5h 40m

Fresno Airterminal

Thu 6/4

4:35 pm-8:10 pm

1 stop3h 35m

$351

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 6/1

1:55 pm-11:45 pm

1 stop9h 50m

Fresno Airterminal

Tue 6/2

5:30 pm-10:15 pm

1 stop4h 45m

$352

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 6/5

5:15 pm-11:05 pm

2 stops5h 50m

Fresno Airterminal

Mon 6/8

5:35 pm-12:05 am

2 stops6h 30m

$359

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 5/30

11:15 am-8:00 pm

1 stop8h 45m

Fresno Airterminal

Wed 6/3

7:37 pm-3:09 pm

1 stop19h 32m

$373

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 6/5

6:35 pm-12:05 am

2 stops5h 30m

Fresno Airterminal

Sun 6/7

5:50 pm-11:40 pm

2 stops5h 50m

$397

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 10/8

6:05 am-11:22 am

1 stop5h 17m

Fresno Airterminal

Sun 10/11

6:04 pm-10:59 pm

1 stop4h 55m

$399
Quickest round-trip

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 6/4

6:00 am-9:39 am

1 stop3h 39m

Fresno Airterminal

Sun 6/7

6:40 pm-10:37 pm

1 stop3h 57m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 May.
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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Fresno

How much does it cost to fly round-trip from Ontario to Fresno?

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 6h 40m. Southwest provides one of the quickest options available for as low as $320. Ontario and Fresno are separated by a distance of 222 mi.

  • 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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