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Cheap flights from Ontario to Fresno from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Fresno departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Fresno

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:48 pm - 9:46 am
ONT
-
FAT
12h 58m1 stop
Multiple Airlines Logo
5:43 pm - 12:10 pm
FAT
-
ONT
18h 27m1 stop
$171Multiple Airlines
Thu, Jan 29 - Sun, Feb 8
Multiple Airlines Logo
10:18 pm - 9:46 am
ONT
-
FAT
11h 28m1 stop
Multiple Airlines Logo
3:27 pm - 5:44 pm
FAT
-
ONT
26h 17m1 stop
$190Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
10:18 pm - 9:46 am
ONT
-
FAT
11h 28m1 stop
Multiple Airlines Logo
5:43 pm - 7:37 am
FAT
-
ONT
13h 54m1 stop
$192Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
2:34 pm - 8:28 pm
ONT
-
FAT
5h 54m1 stop
Multiple Airlines Logo
9:35 pm - 7:50 pm
FAT
-
ONT
22h 15m1 stop
$220Multiple Airlines
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
2:34 pm - 8:45 pm
ONT
-
FAT
6h 11m1 stop
Multiple Airlines Logo
9:35 pm - 7:50 pm
FAT
-
ONT
22h 15m1 stop
$234Multiple Airlines
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
3:21 pm - 2:37 pm
ONT
-
FAT
23h 16m1 stop
Multiple Airlines Logo
3:27 pm - 7:37 am
FAT
-
ONT
16h 10m1 stop
$237Multiple Airlines
Sat, Jan 10 - Thu, Jan 15
Alaska Airlines Logo
4:03 pm - 3:37 pm
ONT
-
FAT
23h 34m1 stop
Alaska Airlines Logo
8:01 am - 3:08 pm
FAT
-
ONT
7h 07m1 stop
$240Alaska Airlines
Thu, Jan 29 - Sat, Jan 31
Multiple Airlines Logo
2:34 pm - 8:28 pm
ONT
-
FAT
5h 54m1 stop
Multiple Airlines Logo
9:35 pm - 10:59 pm
FAT
-
ONT
25h 24m2 stops
$250Multiple Airlines
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
6:00 am - 9:46 am
ONT
-
FAT
27h 46m2 stops
Multiple Airlines Logo
5:43 pm - 7:37 am
FAT
-
ONT
13h 54m1 stop
$251Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
11:04 am - 4:53 pm
ONT
-
FAT
5h 49m1 stop
Multiple Airlines Logo
5:43 pm - 12:20 am
FAT
-
ONT
30h 37m2 stops
$255Multiple Airlines
Thu, Jan 29 - Sun, Feb 8

Alaska Airlines flights from Ontario to Fresno

Our best Alaska Airlines deals on Ontario to Fresno flight tickets
Alaska Airlines
Jan 10
ONT4:03 pmOntario
23h 34m
1 stop
FAT3:37 pmFresno Airterminal
Jan 13
FAT8:01 amFresno Airterminal
12h 35m
1 stop
ONT8:36 pmOntario
$270
Find similar
Alaska Airlines
Jan 24
ONT4:03 pmOntario
23h 34m
1 stop
FAT3:37 pmFresno Airterminal
Jan 26
FAT4:34 pmFresno Airterminal
7h 22m
1 stop
ONT11:56 pmOntario
$275
Find similar
Alaska Airlines
Jan 8
ONT6:00 amOntario
9h 37m
1 stop
FAT3:37 pmFresno Airterminal
Jan 13
FAT8:01 amFresno Airterminal
12h 35m
1 stop
ONT8:36 pmOntario
$294
Find similar

Southwest flights from Ontario to Fresno

Our best Southwest deals on Ontario to Fresno flight tickets
Southwest
Feb 9
ONT5:30 amOntario
6h 20m
2 stops
FAT11:50 amFresno Airterminal
Feb 13
FAT12:10 pmFresno Airterminal
5h 55m
1 stop
ONT6:05 pmOntario
$333
Find similar
Southwest
Jan 12
ONT5:55 amOntario
5h 55m
2 stops
FAT11:50 amFresno Airterminal
Jan 16
FAT5:25 amFresno Airterminal
6h 50m
2 stops
ONT12:15 pmOntario
$359
Find similar
Southwest
Jan 9
ONT5:55 amOntario
5h 55m
2 stops
FAT11:50 amFresno Airterminal
Jan 16
FAT5:25 amFresno Airterminal
6h 50m
2 stops
ONT12:15 pmOntario
$388
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
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

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/29

8:48 pm-9:46 am

1 stop12h 58m

Fresno Airterminal

Sun 2/8

5:43 pm-12:10 pm

1 stop18h 27m

$171

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/8

10:18 pm-9:46 am

1 stop11h 28m

Fresno Airterminal

Thu 1/15

3:27 pm-5:44 pm

1 stop26h 17m

$190

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/8

10:18 pm-9:46 am

1 stop11h 28m

Fresno Airterminal

Thu 1/15

5:43 pm-7:37 am

1 stop13h 54m

$192

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 1/12

2:34 pm-8:28 pm

1 stop5h 54m

Fresno Airterminal

Fri 1/16

9:35 pm-7:50 pm

1 stop22h 15m

$220

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 1/9

2:34 pm-8:45 pm

1 stop6h 11m

Fresno Airterminal

Fri 1/16

9:35 pm-7:50 pm

1 stop22h 15m

$234

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 1/10

3:21 pm-2:37 pm

1 stop23h 16m

Fresno Airterminal

Thu 1/15

3:27 pm-7:37 am

1 stop16h 10m

$237

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/29

4:03 pm-3:37 pm

1 stop23h 34m

Fresno Airterminal

Sat 1/31

8:01 am-3:08 pm

1 stop7h 07m

$240

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Mon 1/12

2:34 pm-8:28 pm

1 stop5h 54m

Fresno Airterminal

Fri 1/16

9:35 pm-10:59 pm

2 stops25h 24m

$250

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/8

6:00 am-9:46 am

2 stops27h 46m

Fresno Airterminal

Thu 1/15

5:43 pm-7:37 am

1 stop13h 54m

$251

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/29

11:04 am-4:53 pm

1 stop5h 49m

Fresno Airterminal

Sun 2/8

5:43 pm-12:20 am

2 stops30h 37m

$255

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Fresno from

How to get the cheapest flight ticket from Ontario to Fresno

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Fresno?

The cheapest day to depart from Ontario to Fresno is on a Thursday. Travelers who choose to depart for Fresno on a Thursday will often find tickets for as low as $259. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $407. These prices are subject to change though, so be sure to set up a Price Alert for flights to Fresno.

What is the cheapest time of day to depart on your flight to Fresno?

The cheapest time of day to fly to Fresno is at noon when flights can be purchased for as low as $280. In contrast, the most expensive time of day to depart to Fresno is in the afternoon when prices are around $309.

When to book flights from Ontario to Fresno

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Fresno according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Fresno (ONT to FAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Fresno

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Ontario to Fresno takes 3h 45m
There are no direct flights from Ontario to Fresno. There are no popular flight routes from Ontario to Fresno.
Search flight deals

  • How far is Ontario to Fresno Airterminal by plane?

    The distance between Ontario and Fresno Airterminal is about 219.9 mi. In terms of flight time, this usually takes a little over 3h 45m.

  • When did momondo last update prices for flights from Ontario Airport to Fresno Airterminal Airport?

    Prices for flights from Ontario Airport to Fresno Airterminal Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Fresno Airterminal Airport?

  • How old do you have to be to fly from Ontario Airport to Fresno Airterminal Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Fresno Airterminal Airport.

  • What documentation or ID do you need to fly to Fresno Airterminal Airport?

    The necessary travel and health documents for your Fresno Airterminal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Fresno?

Best airlines flying from Ontario to Fresno

Compare and see reviews for airlines that fly from Ontario to Fresno with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $229Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Fresno?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Fresno?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Fresno. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Fresno with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Fresno flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Fresno?

Once all potential Ontario to Fresno flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Fresno right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Fresno now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Fresno and let you know when they change.

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