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Cheap flights from Ontario to Fresno from $163

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 2/19. 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
6:30 am - 4:53 pmONT-FAT
10h 23m1 stop
Multiple Airlines Logo
9:18 pm - 2:33 pmFAT-ONT
17h 15m1 stop
$204Multiple Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 12
Multiple Airlines Logo
11:31 am - 2:37 pmONT-FAT
27h 06m1 stop
Multiple Airlines Logo
3:27 pm - 9:21 pmFAT-ONT
5h 54m1 stop
$211Multiple Airlines
Find Deal
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
3:31 pm - 1:39 pmONT-FAT
22h 08m1 stop
Multiple Airlines Logo
10:27 pm - 2:26 pmFAT-ONT
15h 59m1 stop
$213Multiple Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
6:00 am - 9:46 amONT-FAT
3h 46m1 stop
United Airlines Logo
7:30 am - 12:17 pmFAT-ONT
4h 47m1 stop
$278United Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 17
Southwest Logo
6:00 am - 11:50 amONT-FAT
5h 50m2 stops
Southwest Logo
5:25 am - 10:00 amFAT-ONT
4h 35m1 stop
$283Southwest
Find Deal
Thu, Jan 15 - Sat, Jan 17
Southwest Logo
12:55 pm - 7:40 pmONT-FAT
6h 45m2 stops
Southwest Logo
5:25 am - 11:25 amFAT-ONT
6h 00m2 stops
$288Southwest
Find Deal
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
6:41 pm - 9:53 pmONT-FAT
3h 12m1 stop
United Airlines Logo
1:32 pm - 5:37 pmFAT-ONT
4h 05m1 stop
$309United Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Alaska Airlines Logo
7:33 pm - 3:44 pmONT-FAT
20h 11m1 stop
Alaska Airlines Logo
4:38 pm - 11:19 amFAT-ONT
18h 41m1 stop
$372Alaska Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Alaska Airlines Logo
6:05 pm - 8:58 amONT-FAT
14h 53m1 stop
Alaska Airlines Logo
2:45 pm - 11:59 pmFAT-ONT
9h 14m1 stop
$392Alaska Airlines
Find Deal
Fri, Dec 19 - Sat, Dec 20
Hawaiian Airlines Logo
7:00 am - 2:08 pmONT-FAT
7h 08m1 stop
Hawaiian Airlines Logo
4:26 pm - 12:14 amFAT-ONT
7h 48m1 stop
$422Hawaiian Airlines
Find Deal
Thu, Jan 1 - Mon, Jan 5

United Airlines flights from Ontario to Fresno

Our best United Airlines deals on Ontario to Fresno flight tickets
United Airlines
Jan 14
ONT6:00 amOntario
3h 46m
1 stop
FAT9:46 amFresno Airterminal
Jan 17
FAT7:30 amFresno Airterminal
4h 47m
1 stop
ONT12:17 pmOntario
$278
Find similar
United Airlines
Dec 6
ONT6:41 pmOntario
3h 12m
1 stop
FAT9:53 pmFresno Airterminal
Dec 7
FAT1:32 pmFresno Airterminal
4h 05m
1 stop
ONT5:37 pmOntario
$309
Find similar
United Airlines
Jan 12
ONT6:00 amOntario
3h 46m
1 stop
FAT9:46 amFresno Airterminal
Jan 19
FAT7:30 amFresno Airterminal
4h 47m
1 stop
ONT12:17 pmOntario
$325
Find similar

Alaska Airlines flights from Ontario to Fresno

Our best Alaska Airlines deals on Ontario to Fresno flight tickets
Alaska Airlines
Dec 5
ONT7:33 pmOntario
20h 11m
1 stop
FAT3:44 pmFresno Airterminal
Dec 7
FAT4:38 pmFresno Airterminal
18h 41m
1 stop
ONT11:19 amOntario
$372
Find similar
Alaska Airlines
Dec 19
ONT6:05 pmOntario
14h 53m
1 stop
FAT8:58 amFresno Airterminal
Dec 20
FAT2:45 pmFresno Airterminal
9h 14m
1 stop
ONT11:59 pmOntario
$392
Find similar
Alaska Airlines
Jan 14
ONT7:00 amOntario
8h 40m
2 stops
FAT3:40 pmFresno Airterminal
Jan 18
FAT4:34 pmFresno Airterminal
18h 25m
1 stop
ONT10:59 amOntario
$401
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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 October 30, 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

Sun 1/11

6:30 am-4:53 pm

1 stop10h 23m

Fresno Airterminal

Mon 1/12

9:18 pm-2:33 pm

1 stop17h 15m

$204

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 1/14

11:31 am-2:37 pm

1 stop27h 06m

Fresno Airterminal

Sun 1/18

3:27 pm-9:21 pm

1 stop5h 54m

$211

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 11/20

3:31 pm-1:39 pm

1 stop22h 08m

Fresno Airterminal

Sun 11/23

10:27 pm-2:26 pm

1 stop15h 59m

$213

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 1/14

6:00 am-9:46 am

1 stop3h 46m

Fresno Airterminal

Sat 1/17

7:30 am-12:17 pm

1 stop4h 47m

$278

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/15

6:00 am-11:50 am

2 stops5h 50m

Fresno Airterminal

Sat 1/17

5:25 am-10:00 am

1 stop4h 35m

$283

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Wed 1/14

12:55 pm-7:40 pm

2 stops6h 45m

Fresno Airterminal

Sat 1/17

5:25 am-11:25 am

2 stops6h 00m

$288

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Sat 12/6

6:41 pm-9:53 pm

1 stop3h 12m

Fresno Airterminal

Sun 12/7

1:32 pm-5:37 pm

1 stop4h 05m

$309

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 12/5

7:33 pm-3:44 pm

1 stop20h 11m

Fresno Airterminal

Sun 12/7

4:38 pm-11:19 am

1 stop18h 41m

$372

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Fri 12/19

6:05 pm-8:58 am

1 stop14h 53m

Fresno Airterminal

Sat 12/20

2:45 pm-11:59 pm

1 stop9h 14m

$392

OntarioFresno

ONT - FAT

ONTFAT

Ontario

Thu 1/1

7:00 am-2:08 pm

1 stop7h 08m

Fresno Airterminal

Mon 1/5

4:26 pm-12:14 am

1 stop7h 48m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $419. 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.

How have Ontario to Fresno flight prices changed over time?

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

Direct flights

None
There are no direct flights from Ontario to Fresno. There are no popular flight routes from Ontario to Fresno.
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  • 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 12m.

  • 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
8.0
4,243 reviews
Search Southwest flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,996 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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