$82+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAT
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Fresno with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Fresno
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to FresnoExplore 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 June 16, 2026.
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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/143:40 pm
ONT
- FAT
1 stop18h 07m
Multiple Airlines
Tue 7/212:07 pm
FAT
- ONT
1 stop25h 07m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/143:40 pm
ONT
- FAT
1 stop18h 07m
Multiple Airlines
Fri 7/176:31 pm
FAT
- ONT
1 stop13h 32m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/1611:52 am
ONT
- FAT
1 stop6h 04m
Multiple Airlines
Tue 7/212:07 pm
FAT
- ONT
1 stop17h 56m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 8/611:47 am
ONT
- FAT
1 stop6h 16m
Multiple Airlines
Mon 8/103:35 pm
FAT
- ONT
1 stop16h 28m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/189:01 am
ONT
- FAT
1 stop4h 31m
United Airlines
Thu 8/207:23 am
FAT
- ONT
1 stop4h 49m
United Airlines
Deal found 6/13![United Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Sun 8/164:34 pm
ONT
- FAT
1 stop22h 11m
Multiple Airlines
Sun 8/236:18 pm
FAT
- ONT
1 stop20h 51m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$286
Best flights from Ontario to FresnoDiscover carefully curated flight deals from Ontario to Fresno that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Ontario to Fresno that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Thu 10/298:35 am
ONT
- FAT
1 stop6h 05m
Southwest
Thu 11/54:35 pm
FAT
- ONT
2 stops6h 20m
Southwest
Deal found 6/16![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 6/16. 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 9/151:56 pm
ONT
- FAT
1 stop6h 03m
United Airlines
Wed 9/168:23 am
FAT
- ONT
1 stop3h 49m
United Airlines
Deal found 6/16![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 6/14. 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 7/255:40 am
ONT
- FAT
1 stop3h 30m
Southwest
Tue 7/282:35 pm
FAT
- ONT
1 stop5h 45m
Southwest
Deal found 6/14![Southwest logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/256:08 am
ONT
- FAT
1 stop5h 13m
United Airlines
Wed 8/262:10 pm
FAT
- ONT
1 stop4h 06m
United Airlines
Deal found 6/14![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 6/13. 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.
Tue 8/184:45 pm
ONT
- FAT
1 stop4h 10m
Southwest
Thu 8/203:25 pm
FAT
- ONT
2 stops6h 40m
Southwest
Deal found 6/13![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/181:56 pm
ONT
- FAT
1 stop3h 50m
United Airlines
Thu 8/202:10 pm
FAT
- ONT
1 stop4h 01m
United Airlines
Deal found 6/14![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/144:35 pm
ONT
- FAT
2 stops5h 45m
Southwest
Tue 7/215:10 pm
FAT
- ONT
2 stops5h 55m
Southwest
Deal found 6/16![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Thu 9/241:52 pm
ONT
- FAT
1 stop3h 54m
United Airlines
Mon 9/286:04 pm
FAT
- ONT
1 stop4h 55m
United Airlines
Deal found 6/13![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 6/14. 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 8/1610:05 am
ONT
- FAT
2 stops6h 45m
Southwest
Sun 8/234:30 pm
FAT
- ONT
2 stops5h 50m
Southwest
Deal found 6/14![Southwest logo]()
$357
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:40 pm
ONT
- FAT
1 stop4h 20m
Southwest
Fri 7/175:40 pm
FAT
- ONT
2 stops5h 55m
Southwest
Deal found 6/12![Southwest logo]()
$372
Last-minute flights from Ontario to FresnoDiscover last-minute flight deals from Ontario to Fresno. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Fresno. Data last updated June 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/143:40 pm
ONT
- FAT
1 stop18h 07m
Multiple Airlines
Tue 7/212:07 pm
FAT
- ONT
1 stop25h 07m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/143:40 pm
ONT
- FAT
1 stop18h 07m
Multiple Airlines
Fri 7/176:31 pm
FAT
- ONT
1 stop13h 32m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/1611:52 am
ONT
- FAT
1 stop6h 04m
Multiple Airlines
Tue 7/212:07 pm
FAT
- ONT
1 stop17h 56m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 7/1911:52 am
ONT
- FAT
1 stop25h 24m
Multiple Airlines
Wed 7/2210:37 am
FAT
- ONT
1 stop4h 37m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 6/14. 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 7/255:40 am
ONT
- FAT
1 stop3h 30m
Southwest
Tue 7/282:35 pm
FAT
- ONT
1 stop5h 45m
Southwest
Deal found 6/14![Southwest logo]()
$310
One-way flights from Ontario to FresnoSearch for one-way flight options from Ontario to Fresno. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Ontario to Fresno. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:40 pm
ONT
- FAT
1 stop18h 07m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/13:34 pm
ONT
- FAT
1 stop23h 12m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$103
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:52 am
ONT
- FAT
1 stop6h 04m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$148
This Trip.com deal was found by Cheapflights users on 6/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:52 am
ONT
- FAT
1 stop5h 49m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/253:40 pm
ONT
- FAT
1 stop20h 37m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/156:00 am
ONT
- FAT
2 stops32h 46m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sun 8/164:34 pm
ONT
- FAT
1 stop22h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/126:08 am
ONT
- FAT
1 stop3h 20m
United Airlines
Deal found 6/13![United Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 6/16. 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 7/251:25 pm
ONT
- FAT
2 stops8h 10m
Southwest
Deal found 6/16![Southwest logo]()
$179
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:01 am
ONT
- FAT
1 stop4h 31m
United Airlines
Deal found 6/12![United Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 6/14. 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.
Thu 7/164:40 pm
ONT
- FAT
2 stops6h 30m
Southwest
Deal found 6/14![Southwest logo]()
$189
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:52 am
ONT
- FAT
1 stop6h 04m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$192
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $172 (Kiwi.com) |
One-way from | $82 (Trip.com) |
Popular in | September |
Cheapest in | August |
Average price | $537 |
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 June 16, 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
Cheapest round-trip
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Thu 10/29
8:35 am-2:40 pm
1 stop6h 05m
Fresno Airterminal
Thu 11/5
4:35 pm-10:55 pm
2 stops6h 20m
$294
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Sat 7/25
5:40 am-9:10 am
1 stop3h 30m
Fresno Airterminal
Tue 7/28
2:35 pm-8:20 pm
1 stop5h 45m
$310
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Tue 8/18
4:45 pm-8:55 pm
1 stop4h 10m
Fresno Airterminal
Thu 8/20
3:25 pm-10:05 pm
2 stops6h 40m
$315
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Tue 7/14
4:35 pm-10:20 pm
2 stops5h 45m
Fresno Airterminal
Tue 7/21
5:10 pm-11:05 pm
2 stops5h 55m
$340
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Tue 9/15
1:56 pm-7:59 pm
1 stop6h 03m
Fresno Airterminal
Wed 9/16
8:23 am-12:12 pm
1 stop3h 49m
$343
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Tue 8/25
6:08 am-11:21 am
1 stop5h 13m
Fresno Airterminal
Wed 8/26
2:10 pm-6:16 pm
1 stop4h 06m
$343
Quickest round-trip
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Tue 8/18
1:56 pm-5:46 pm
1 stop3h 50m
Fresno Airterminal
Thu 8/20
2:10 pm-6:11 pm
1 stop4h 01m
$351
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Sun 8/16
10:05 am-4:50 pm
2 stops6h 45m
Fresno Airterminal
Sun 8/23
4:30 pm-10:20 pm
2 stops5h 50m
$357
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Thu 9/24
1:52 pm-5:46 pm
1 stop3h 54m
Fresno Airterminal
Mon 9/28
6:04 pm-10:59 pm
1 stop4h 55m
$359
OntarioFresno
ONT - FAT
ONTFAT
Ontario
Fri 7/10
12:40 pm-5:00 pm
1 stop4h 20m
Fresno Airterminal
Fri 7/17
5:40 pm-11:35 pm
2 stops5h 55m
$372
Showing 1-10 of 21 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ONT-FAT
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
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.
Traveling to a place near Fresno?
Book flights to Fresno if you plan to visit one of these locationsMadera
Clovis
Kingsburg
Bass Lake
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